DNSSEC Debugger - comcast.net

Domain Name:

Time: 2025-04-23 18:47:11 UTC

Analyzing DNSSEC problems for comcast.net

DS=20326/SHA-256 is now in the chain-of-trust

	Checking DS between Trust Anchor and .
	`. IN DS ( 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d )`
	Query to d.root-servers.net for ./DNSKEY
	Received 1139 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 1139 octets ;; HEADER SECTION ;; id = 26448 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 4 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1450, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20250512000000 20250421000000 20326 . d57ThXzGZNbeW1yPlvFiOt+aiFXSHAsVopf8jxG/JBBNh6Hko6Ey94OI82FSawKHQoc63C7Gt2sD Z4HDn6anc8jy5U4E47VDka/vxOCubiJbD+tU62ADZxENh0mHr/jwODZ1kwbtfFZK2LYoqF2FiDsw IFLZ0serEa73QKNZHPnGOuZgeQMJyBNjovFfAYfLQnOeDHjMTlfp6Ly0l5w+OqS37KjkdXvMUd4M i4ls1PNAPq3OyB2QgCcigUtrjx0Bxuu/4yVVCkRyGaa4L3tI9yIDTCHI2+gI48DpxZaN602BJvVg JDaSIqJ5F4I02bJWuI4ksAxB9Pdsae3JeU5ZbQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148`
	DNSKEY=20326/SEP is now in the chain-of-trust
	DS=20326/SHA-256 verifies DNSKEY=20326/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20250512000000 20250421000000 20326 . d57ThXzGZNbeW1yPlvFiOt+aiFXSHAsVopf8jxG/JBBNh6Hko6Ey94OI82FSawKHQoc63C7Gt2sD Z4HDn6anc8jy5U4E47VDka/vxOCubiJbD+tU62ADZxENh0mHr/jwODZ1kwbtfFZK2LYoqF2FiDsw IFLZ0serEa73QKNZHPnGOuZgeQMJyBNjovFfAYfLQnOeDHjMTlfp6Ly0l5w+OqS37KjkdXvMUd4M i4ls1PNAPq3OyB2QgCcigUtrjx0Bxuu/4yVVCkRyGaa4L3tI9yIDTCHI2+gI48DpxZaN602BJvVg JDaSIqJ5F4I02bJWuI4ksAxB9Pdsae3JeU5ZbQ== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=38696/SEP is now in the chain-of-trust
	DNSKEY=53148 is now in the chain-of-trust
	Query to i.root-servers.net for comcast.net/A
	Received 1171 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 1171 octets ;; HEADER SECTION ;; id = 44347 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) net. 172800 IN NS f.gtld-servers.net. net. 172800 IN NS l.gtld-servers.net. net. 172800 IN NS j.gtld-servers.net. net. 172800 IN NS a.gtld-servers.net. net. 172800 IN NS i.gtld-servers.net. net. 172800 IN NS h.gtld-servers.net. net. 172800 IN NS k.gtld-servers.net. net. 172800 IN NS b.gtld-servers.net. net. 172800 IN NS g.gtld-servers.net. net. 172800 IN NS d.gtld-servers.net. net. 172800 IN NS c.gtld-servers.net. net. 172800 IN NS e.gtld-servers.net. net. 172800 IN NS m.gtld-servers.net. net. 86400 IN DS ( 37331 13 2 2f0bec2d6f79dfbd1d08fd21a3af92d0e39a4b9ef1e3f4111fff282490da453b ) net. 86400 IN RRSIG ( DS 8 1 86400 20250506170000 20250423160000 53148 . fBmfAQFlSO3kNXA5CPCwDzIMd0qla1/sCxETyyln5umI4LI+IgkcGRuhLQTZ8sWdQ3anZn6RIGkj Ddmos4196+tdOVzbNqo5104SKqkbcTCz3dO/BZEcxMdB//TagtPugK346C7CVulBuQaOwKlVxOtN Pf5gQQtie42oymsawVvQCIepvyxWOwC6K5aTeWGy8eqhlIrEJhLc3/ul6raSnsUhYtHGMylGMIC5 +lOoHEbdaotlgMI61cm4JaRxJhWFsNA5SNooPp7nFdFwKnTO5tXnzVYk6Osg3Atqyh7IKFP1b/xr 3CRlqsC4lrxEM5FLmFHWZNZSNwvkNhci1NxmyQ== ) ;; ADDITIONAL SECTION (27 records) m.gtld-servers.net. 172800 IN A 192.55.83.30 l.gtld-servers.net. 172800 IN A 192.41.162.30 k.gtld-servers.net. 172800 IN A 192.52.178.30 j.gtld-servers.net. 172800 IN A 192.48.79.30 i.gtld-servers.net. 172800 IN A 192.43.172.30 h.gtld-servers.net. 172800 IN A 192.54.112.30 g.gtld-servers.net. 172800 IN A 192.42.93.30 f.gtld-servers.net. 172800 IN A 192.35.51.30 e.gtld-servers.net. 172800 IN A 192.12.94.30 d.gtld-servers.net. 172800 IN A 192.31.80.30 c.gtld-servers.net. 172800 IN A 192.26.92.30 b.gtld-servers.net. 172800 IN A 192.33.14.30 a.gtld-servers.net. 172800 IN A 192.5.6.30 m.gtld-servers.net. 172800 IN AAAA 2001:501:b1f9::30 l.gtld-servers.net. 172800 IN AAAA 2001:500:d937::30 k.gtld-servers.net. 172800 IN AAAA 2001:503:d2d::30 j.gtld-servers.net. 172800 IN AAAA 2001:502:7094::30 i.gtld-servers.net. 172800 IN AAAA 2001:503:39c1::30 h.gtld-servers.net. 172800 IN AAAA 2001:502:8cc::30 g.gtld-servers.net. 172800 IN AAAA 2001:503:eea3::30 f.gtld-servers.net. 172800 IN AAAA 2001:503:d414::30 e.gtld-servers.net. 172800 IN AAAA 2001:502:1ca1::30 d.gtld-servers.net. 172800 IN AAAA 2001:500:856e::30 c.gtld-servers.net. 172800 IN AAAA 2001:503:83eb::30 b.gtld-servers.net. 172800 IN AAAA 2001:503:231d::2:30 a.gtld-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 ;; { "EDNS-VERSION": 0 }
	Query to g.root-servers.net for net/DNSKEY
	Received 1163 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 1163 octets ;; HEADER SECTION ;; id = 36403 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; net. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) net. 172800 IN NS m.gtld-servers.net. net. 172800 IN NS e.gtld-servers.net. net. 172800 IN NS h.gtld-servers.net. net. 172800 IN NS i.gtld-servers.net. net. 172800 IN NS b.gtld-servers.net. net. 172800 IN NS d.gtld-servers.net. net. 172800 IN NS a.gtld-servers.net. net. 172800 IN NS k.gtld-servers.net. net. 172800 IN NS f.gtld-servers.net. net. 172800 IN NS g.gtld-servers.net. net. 172800 IN NS c.gtld-servers.net. net. 172800 IN NS j.gtld-servers.net. net. 172800 IN NS l.gtld-servers.net. net. 86400 IN DS ( 37331 13 2 2f0bec2d6f79dfbd1d08fd21a3af92d0e39a4b9ef1e3f4111fff282490da453b ) net. 86400 IN RRSIG ( DS 8 1 86400 20250506170000 20250423160000 53148 . fBmfAQFlSO3kNXA5CPCwDzIMd0qla1/sCxETyyln5umI4LI+IgkcGRuhLQTZ8sWdQ3anZn6RIGkj Ddmos4196+tdOVzbNqo5104SKqkbcTCz3dO/BZEcxMdB//TagtPugK346C7CVulBuQaOwKlVxOtN Pf5gQQtie42oymsawVvQCIepvyxWOwC6K5aTeWGy8eqhlIrEJhLc3/ul6raSnsUhYtHGMylGMIC5 +lOoHEbdaotlgMI61cm4JaRxJhWFsNA5SNooPp7nFdFwKnTO5tXnzVYk6Osg3Atqyh7IKFP1b/xr 3CRlqsC4lrxEM5FLmFHWZNZSNwvkNhci1NxmyQ== ) ;; ADDITIONAL SECTION (27 records) m.gtld-servers.net. 172800 IN A 192.55.83.30 l.gtld-servers.net. 172800 IN A 192.41.162.30 k.gtld-servers.net. 172800 IN A 192.52.178.30 j.gtld-servers.net. 172800 IN A 192.48.79.30 i.gtld-servers.net. 172800 IN A 192.43.172.30 h.gtld-servers.net. 172800 IN A 192.54.112.30 g.gtld-servers.net. 172800 IN A 192.42.93.30 f.gtld-servers.net. 172800 IN A 192.35.51.30 e.gtld-servers.net. 172800 IN A 192.12.94.30 d.gtld-servers.net. 172800 IN A 192.31.80.30 c.gtld-servers.net. 172800 IN A 192.26.92.30 b.gtld-servers.net. 172800 IN A 192.33.14.30 a.gtld-servers.net. 172800 IN A 192.5.6.30 m.gtld-servers.net. 172800 IN AAAA 2001:501:b1f9::30 l.gtld-servers.net. 172800 IN AAAA 2001:500:d937::30 k.gtld-servers.net. 172800 IN AAAA 2001:503:d2d::30 j.gtld-servers.net. 172800 IN AAAA 2001:502:7094::30 i.gtld-servers.net. 172800 IN AAAA 2001:503:39c1::30 h.gtld-servers.net. 172800 IN AAAA 2001:502:8cc::30 g.gtld-servers.net. 172800 IN AAAA 2001:503:eea3::30 f.gtld-servers.net. 172800 IN AAAA 2001:503:d414::30 e.gtld-servers.net. 172800 IN AAAA 2001:502:1ca1::30 d.gtld-servers.net. 172800 IN AAAA 2001:500:856e::30 c.gtld-servers.net. 172800 IN AAAA 2001:503:83eb::30 b.gtld-servers.net. 172800 IN AAAA 2001:503:231d::2:30 a.gtld-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 ;; { "EDNS-VERSION": 0 }
	Found child zone net

net

	Checking DS between . and net
	Query to h.root-servers.net for net/DS
	Received 367 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 367 octets ;; HEADER SECTION ;; id = 39166 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; net. IN DS ;; ANSWER SECTION (2 records) net. 86400 IN DS ( 37331 13 2 2f0bec2d6f79dfbd1d08fd21a3af92d0e39a4b9ef1e3f4111fff282490da453b ) net. 86400 IN RRSIG ( DS 8 1 86400 20250506170000 20250423160000 53148 . fBmfAQFlSO3kNXA5CPCwDzIMd0qla1/sCxETyyln5umI4LI+IgkcGRuhLQTZ8sWdQ3anZn6RIGkj Ddmos4196+tdOVzbNqo5104SKqkbcTCz3dO/BZEcxMdB//TagtPugK346C7CVulBuQaOwKlVxOtN Pf5gQQtie42oymsawVvQCIepvyxWOwC6K5aTeWGy8eqhlIrEJhLc3/ul6raSnsUhYtHGMylGMIC5 +lOoHEbdaotlgMI61cm4JaRxJhWFsNA5SNooPp7nFdFwKnTO5tXnzVYk6Osg3Atqyh7IKFP1b/xr 3CRlqsC4lrxEM5FLmFHWZNZSNwvkNhci1NxmyQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for net in the . zone
	DS=37331/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`net. 86400 IN RRSIG ( DS 8 1 86400 20250506170000 20250423160000 53148 . fBmfAQFlSO3kNXA5CPCwDzIMd0qla1/sCxETyyln5umI4LI+IgkcGRuhLQTZ8sWdQ3anZn6RIGkj Ddmos4196+tdOVzbNqo5104SKqkbcTCz3dO/BZEcxMdB//TagtPugK346C7CVulBuQaOwKlVxOtN Pf5gQQtie42oymsawVvQCIepvyxWOwC6K5aTeWGy8eqhlIrEJhLc3/ul6raSnsUhYtHGMylGMIC5 +lOoHEbdaotlgMI61cm4JaRxJhWFsNA5SNooPp7nFdFwKnTO5tXnzVYk6Osg3Atqyh7IKFP1b/xr 3CRlqsC4lrxEM5FLmFHWZNZSNwvkNhci1NxmyQ== )`
	RRSIG=53148 and DNSKEY=53148 verifies the DS RRset
	DS=37331/SHA-256 is now in the chain-of-trust
	`net. 86400 IN DS ( 37331 13 2 2f0bec2d6f79dfbd1d08fd21a3af92d0e39a4b9ef1e3f4111fff282490da453b )`
	Query to k.gtld-servers.net for net/DNSKEY
	Received 291 bytes from 192.52.178.30
	;; Response received from [192.52.178.30] 291 octets ;; HEADER SECTION ;; id = 5145 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; net. IN DNSKEY ;; ANSWER SECTION (3 records) net. 86400 IN DNSKEY ( 256 3 13 16NvlxmHDHZoafgfgQSqMzWNHJPVXuq7/qyicuulQJHyyBrjltAVFAMZN5TR173kCAoeearbeoQB PRJqmYFXxQ== ) ; keytag 45412 net. 86400 IN DNSKEY ( 257 3 13 HiBoGpzDRAgrDmUXXTSnl7jCX6Hx5bzkU2jSxMbVI01yS+13EyOghnCidBXU0bH2gi2w9GhYGacp U6CrtwoFNg== ) ; keytag 37331 net. 86400 IN RRSIG ( DNSKEY 13 1 86400 20250507141035 20250422140535 37331 net. Sm+twvm5t46UjiCXUQnIFnFnIn3z2MjDuKc2cd5OJKVTn6Yfuq1oeOkLtvBqCj5kOLyBpbsiYYio Va5933NLYw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for net
	`net. 86400 IN DNSKEY ( 256 3 13 16NvlxmHDHZoafgfgQSqMzWNHJPVXuq7/qyicuulQJHyyBrjltAVFAMZN5TR173kCAoeearbeoQB PRJqmYFXxQ== ) ; keytag 45412`
	`net. 86400 IN DNSKEY ( 257 3 13 HiBoGpzDRAgrDmUXXTSnl7jCX6Hx5bzkU2jSxMbVI01yS+13EyOghnCidBXU0bH2gi2w9GhYGacp U6CrtwoFNg== ) ; keytag 37331`
	DNSKEY=37331/SEP is now in the chain-of-trust
	DS=37331/SHA-256 verifies DNSKEY=37331/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`net. 86400 IN RRSIG ( DNSKEY 13 1 86400 20250507141035 20250422140535 37331 net. Sm+twvm5t46UjiCXUQnIFnFnIn3z2MjDuKc2cd5OJKVTn6Yfuq1oeOkLtvBqCj5kOLyBpbsiYYio Va5933NLYw== )`
	RRSIG=37331 and DNSKEY=37331/SEP verifies the DNSKEY RRset
	DNSKEY=45412 is now in the chain-of-trust
	Query to g.gtld-servers.net for comcast.net/A
	Received 548 bytes from 192.42.93.30
	;; Response received from [192.42.93.30] 548 octets ;; HEADER SECTION ;; id = 5116 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 8 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) comcast.net. 172800 IN NS dns101.comcast.net. comcast.net. 172800 IN NS dns102.comcast.net. comcast.net. 172800 IN NS dns103.comcast.net. comcast.net. 172800 IN NS dns104.comcast.net. comcast.net. 172800 IN NS dns105.comcast.net. comcast.net. 86400 IN DS ( 40909 5 2 30c0f50e68dcc9a2f279a994c07cf22ced97aadf44c2b1fe38a1b32ba1a34174 ) comcast.net. 86400 IN DS 40909 5 1 ddc19733884ee533b35b4b57717bea9b0ef2c4d1 comcast.net. 86400 IN RRSIG ( DS 13 2 86400 20250429025514 20250422014514 45412 net. h4MzihLLp+cBgjw4a8lC+djyu+igJlV+NJmWvaQULUwv1J1prVlpKroant5KsxSVh2ShzbtJBX1F Bw3zY5h6NQ== ) ;; ADDITIONAL SECTION (11 records) dns101.comcast.net. 172800 IN AAAA 2001:558:fe23:8:69:252:250:103 dns101.comcast.net. 172800 IN A 69.252.250.103 dns102.comcast.net. 172800 IN AAAA 2001:558:1004:7:68:87:85:132 dns102.comcast.net. 172800 IN A 68.87.85.132 dns103.comcast.net. 172800 IN AAAA 2001:558:1014:c:68:87:76:228 dns103.comcast.net. 172800 IN A 68.87.76.228 dns104.comcast.net. 172800 IN AAAA 2001:558:100a:5:68:87:68:244 dns104.comcast.net. 172800 IN A 68.87.68.244 dns105.comcast.net. 172800 IN AAAA 2001:558:100e:5:68:87:72:244 dns105.comcast.net. 172800 IN A 68.87.72.244 ;; { "EDNS-VERSION": 0 }
	Query to g.gtld-servers.net for comcast.net/DNSKEY
	Received 548 bytes from 192.42.93.30
	;; Response received from [192.42.93.30] 548 octets ;; HEADER SECTION ;; id = 9181 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 8 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) comcast.net. 172800 IN NS dns101.comcast.net. comcast.net. 172800 IN NS dns102.comcast.net. comcast.net. 172800 IN NS dns103.comcast.net. comcast.net. 172800 IN NS dns104.comcast.net. comcast.net. 172800 IN NS dns105.comcast.net. comcast.net. 86400 IN DS ( 40909 5 2 30c0f50e68dcc9a2f279a994c07cf22ced97aadf44c2b1fe38a1b32ba1a34174 ) comcast.net. 86400 IN DS 40909 5 1 ddc19733884ee533b35b4b57717bea9b0ef2c4d1 comcast.net. 86400 IN RRSIG ( DS 13 2 86400 20250429025514 20250422014514 45412 net. h4MzihLLp+cBgjw4a8lC+djyu+igJlV+NJmWvaQULUwv1J1prVlpKroant5KsxSVh2ShzbtJBX1F Bw3zY5h6NQ== ) ;; ADDITIONAL SECTION (11 records) dns101.comcast.net. 172800 IN AAAA 2001:558:fe23:8:69:252:250:103 dns101.comcast.net. 172800 IN A 69.252.250.103 dns102.comcast.net. 172800 IN AAAA 2001:558:1004:7:68:87:85:132 dns102.comcast.net. 172800 IN A 68.87.85.132 dns103.comcast.net. 172800 IN AAAA 2001:558:1014:c:68:87:76:228 dns103.comcast.net. 172800 IN A 68.87.76.228 dns104.comcast.net. 172800 IN AAAA 2001:558:100a:5:68:87:68:244 dns104.comcast.net. 172800 IN A 68.87.68.244 dns105.comcast.net. 172800 IN AAAA 2001:558:100e:5:68:87:72:244 dns105.comcast.net. 172800 IN A 68.87.72.244 ;; { "EDNS-VERSION": 0 }
	Found child zone comcast.net

comcast.net

	Checking DS between net and comcast.net
	Query to l.gtld-servers.net for comcast.net/DS
	Received 1115 bytes from 192.41.162.30
	;; Response received from [192.41.162.30] 1115 octets ;; HEADER SECTION ;; id = 27416 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 14 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN DS ;; ANSWER SECTION (3 records) comcast.net. 86400 IN DS ( 40909 5 2 30c0f50e68dcc9a2f279a994c07cf22ced97aadf44c2b1fe38a1b32ba1a34174 ) comcast.net. 86400 IN DS 40909 5 1 ddc19733884ee533b35b4b57717bea9b0ef2c4d1 comcast.net. 86400 IN RRSIG ( DS 13 2 86400 20250429025514 20250422014514 45412 net. h4MzihLLp+cBgjw4a8lC+djyu+igJlV+NJmWvaQULUwv1J1prVlpKroant5KsxSVh2ShzbtJBX1F Bw3zY5h6NQ== ) ;; AUTHORITY SECTION (14 records) net. 172800 IN NS c.gtld-servers.net. net. 172800 IN NS d.gtld-servers.net. net. 172800 IN NS b.gtld-servers.net. net. 172800 IN NS a.gtld-servers.net. net. 172800 IN NS f.gtld-servers.net. net. 172800 IN NS e.gtld-servers.net. net. 172800 IN NS k.gtld-servers.net. net. 172800 IN NS j.gtld-servers.net. net. 172800 IN NS h.gtld-servers.net. net. 172800 IN NS l.gtld-servers.net. net. 172800 IN NS m.gtld-servers.net. net. 172800 IN NS i.gtld-servers.net. net. 172800 IN NS g.gtld-servers.net. net. 172800 IN RRSIG ( NS 13 1 172800 20250427030517 20250420015517 45412 net. +jTKrEH3LwItpLc1gd3U7WRRHmF8xmzfQ/O0XppsRNzbXC9lRAGkTxMyFK37Rq3T0a/ZvZ4LoJ2i G8wYOfpAmQ== ) ;; ADDITIONAL SECTION (27 records) c.gtld-servers.net. 172800 IN A 192.26.92.30 c.gtld-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.gtld-servers.net. 172800 IN A 192.31.80.30 d.gtld-servers.net. 172800 IN AAAA 2001:500:856e::30 b.gtld-servers.net. 172800 IN A 192.33.14.30 b.gtld-servers.net. 172800 IN AAAA 2001:503:231d::2:30 a.gtld-servers.net. 172800 IN A 192.5.6.30 a.gtld-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 f.gtld-servers.net. 172800 IN A 192.35.51.30 f.gtld-servers.net. 172800 IN AAAA 2001:503:d414::30 e.gtld-servers.net. 172800 IN A 192.12.94.30 e.gtld-servers.net. 172800 IN AAAA 2001:502:1ca1::30 k.gtld-servers.net. 172800 IN A 192.52.178.30 k.gtld-servers.net. 172800 IN AAAA 2001:503:d2d::30 j.gtld-servers.net. 172800 IN A 192.48.79.30 j.gtld-servers.net. 172800 IN AAAA 2001:502:7094::30 h.gtld-servers.net. 172800 IN A 192.54.112.30 h.gtld-servers.net. 172800 IN AAAA 2001:502:8cc::30 l.gtld-servers.net. 172800 IN A 192.41.162.30 l.gtld-servers.net. 172800 IN AAAA 2001:500:d937::30 m.gtld-servers.net. 172800 IN A 192.55.83.30 m.gtld-servers.net. 172800 IN AAAA 2001:501:b1f9::30 i.gtld-servers.net. 172800 IN A 192.43.172.30 i.gtld-servers.net. 172800 IN AAAA 2001:503:39c1::30 g.gtld-servers.net. 172800 IN A 192.42.93.30 g.gtld-servers.net. 172800 IN AAAA 2001:503:eea3::30 ;; { "EDNS-VERSION": 0 }
	Found 2 DS records for comcast.net in the net zone
	DS=40909/SHA-1 uses a deprecated digest algorithm
	DS=40909/SHA-256 has algorithm RSASHA1
	DS=40909/SHA-1 has algorithm RSASHA1
	Found 1 RRSIGs over DS RRset
	`comcast.net. 86400 IN RRSIG ( DS 13 2 86400 20250429025514 20250422014514 45412 net. h4MzihLLp+cBgjw4a8lC+djyu+igJlV+NJmWvaQULUwv1J1prVlpKroant5KsxSVh2ShzbtJBX1F Bw3zY5h6NQ== )`
	RRSIG=45412 and DNSKEY=45412 verifies the DS RRset
	DS=40909/SHA-256 is now in the chain-of-trust
	`comcast.net. 86400 IN DS ( 40909 5 2 30c0f50e68dcc9a2f279a994c07cf22ced97aadf44c2b1fe38a1b32ba1a34174 )`
	`comcast.net. 86400 IN DS 40909 5 1 ddc19733884ee533b35b4b57717bea9b0ef2c4d1`
	Query to dns101.comcast.net for comcast.net/DNSKEY
	Received 934 bytes from 69.252.250.103
	;; Response received from [69.252.250.103] 934 octets ;; HEADER SECTION ;; id = 3314 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 4 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN DNSKEY ;; ANSWER SECTION (4 records) comcast.net. 3600 IN DNSKEY ( 256 3 5 AwEAAbEO9O0+NybzFSgdaG+ExZkMKYpZc9w5VdEJ9vUABIjFftKjd/l8Mo53OIrU7XC81WTsSI8R QqaQqccbWDoP3afbdLR0xJw6auIEsDo6kJ7ZaSoFCAeSlMTPvdHAlcFbHL1zF4/HzaaoOL3psKfe Me2/2j7saEOKQlxIPa5R5mgx ) ; keytag 26550 comcast.net. 3600 IN DNSKEY ( 257 3 5 AwEAAcdTwXuKIERUoEaOHCEafPCgHW8Dq8OftDPD1sZCwCUH7VjfSXQpgvkYUG+6FN9INP2uHybz Re/m4EG8HD8zkKtaIBzrYZIcbchuXKZ5biwkj1hIMTGlDG0jD0j3rjiJkk3dDkygKvV8FswEJo9X 7+CWbtf4WKgXqnd/2JcsliDK4XujFsw27eWpXlHZt5SuQb0N1jmMazESXwYJYtGXce5vi4pBhlE9 OUgCQlkxPxedvaelT5hKxYP3lIH4vjBrKMzQE7OzoB4lOsJVhbvDF1VZUzC6n42w8WWvjBDY3Til OvsC9Je7DOD3yQlgcmiQ80PM4zknfQJ76APxYrrowTE= ) ; keytag 40909 comcast.net. 3600 IN RRSIG ( DNSKEY 5 2 3600 20250802144438 20250404104438 40909 comcast.net. eK3E21vDNPpDYC7sNCY1G9BBpS0Qf1zuA4bsVy4SckYWYEbZ5fe1lziGExNVGVqEzhK1yiYgcIUU /geXYwhJpPnbr49pSGJDk9mrmDfYrZ/RXpGjOVzF4aDkMiVzuSnqisxTNw2JTF2ToeXWcLFq/c4n RE4lSFwidF0hSrLU3wJWfrvda9cDUXoFKPIF8hFieil0UbScHJmcRXDoMQvtmNjUZRwDeRgPxMR5 HkYxbx+Hq6uBoTyzrGgakYZvoMZi/Sch51cO6w5DYTzSuQ7D51watMYAMLPrc2LLqxvQw/6C4VK+ PdxyieORHMBSG07sgTa4OuUp3XmKS8xnWltW0w== ) comcast.net. 3600 IN RRSIG ( DNSKEY 5 2 3600 20250505144438 20250418143938 26550 comcast.net. axrOChq4XJ0+Ghm21oSzXcIQIdqX6DmMB5seD7X2s+tB3+OliRKsY/CymQlKQQcpbt+ZETDsb4ia 2IFa0cXodKAIRDKLhGDljAW0bgEKDJXdlQ+Bs5M40jgUn4KVCRAhX3GVfQBluU1RBitHrSBC2DNq IyYUIcO9v8eJgjmj4cQ= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for comcast.net
	`comcast.net. 3600 IN DNSKEY ( 256 3 5 AwEAAbEO9O0+NybzFSgdaG+ExZkMKYpZc9w5VdEJ9vUABIjFftKjd/l8Mo53OIrU7XC81WTsSI8R QqaQqccbWDoP3afbdLR0xJw6auIEsDo6kJ7ZaSoFCAeSlMTPvdHAlcFbHL1zF4/HzaaoOL3psKfe Me2/2j7saEOKQlxIPa5R5mgx ) ; keytag 26550`
	`comcast.net. 3600 IN DNSKEY ( 257 3 5 AwEAAcdTwXuKIERUoEaOHCEafPCgHW8Dq8OftDPD1sZCwCUH7VjfSXQpgvkYUG+6FN9INP2uHybz Re/m4EG8HD8zkKtaIBzrYZIcbchuXKZ5biwkj1hIMTGlDG0jD0j3rjiJkk3dDkygKvV8FswEJo9X 7+CWbtf4WKgXqnd/2JcsliDK4XujFsw27eWpXlHZt5SuQb0N1jmMazESXwYJYtGXce5vi4pBhlE9 OUgCQlkxPxedvaelT5hKxYP3lIH4vjBrKMzQE7OzoB4lOsJVhbvDF1VZUzC6n42w8WWvjBDY3Til OvsC9Je7DOD3yQlgcmiQ80PM4zknfQJ76APxYrrowTE= ) ; keytag 40909`
	DNSKEY=40909/SEP is now in the chain-of-trust
	DS=40909/SHA-256 verifies DNSKEY=40909/SEP
	DS=40909/SHA-1 verifies DNSKEY=40909/SEP
	Found 2 RRSIGs over DNSKEY RRset
	`comcast.net. 3600 IN RRSIG ( DNSKEY 5 2 3600 20250802144438 20250404104438 40909 comcast.net. eK3E21vDNPpDYC7sNCY1G9BBpS0Qf1zuA4bsVy4SckYWYEbZ5fe1lziGExNVGVqEzhK1yiYgcIUU /geXYwhJpPnbr49pSGJDk9mrmDfYrZ/RXpGjOVzF4aDkMiVzuSnqisxTNw2JTF2ToeXWcLFq/c4n RE4lSFwidF0hSrLU3wJWfrvda9cDUXoFKPIF8hFieil0UbScHJmcRXDoMQvtmNjUZRwDeRgPxMR5 HkYxbx+Hq6uBoTyzrGgakYZvoMZi/Sch51cO6w5DYTzSuQ7D51watMYAMLPrc2LLqxvQw/6C4VK+ PdxyieORHMBSG07sgTa4OuUp3XmKS8xnWltW0w== )`
	`comcast.net. 3600 IN RRSIG ( DNSKEY 5 2 3600 20250505144438 20250418143938 26550 comcast.net. axrOChq4XJ0+Ghm21oSzXcIQIdqX6DmMB5seD7X2s+tB3+OliRKsY/CymQlKQQcpbt+ZETDsb4ia 2IFa0cXodKAIRDKLhGDljAW0bgEKDJXdlQ+Bs5M40jgUn4KVCRAhX3GVfQBluU1RBitHrSBC2DNq IyYUIcO9v8eJgjmj4cQ= )`
	RRSIG=40909 and DNSKEY=40909/SEP verifies the DNSKEY RRset
	RRSIG=26550 and DNSKEY=26550 verifies the DNSKEY RRset
	DNSKEY=26550 is now in the chain-of-trust
	Query to dns101.comcast.net for comcast.net/A
	Received 227 bytes from 69.252.250.103
	;; Response received from [69.252.250.103] 227 octets ;; HEADER SECTION ;; id = 12523 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN A ;; ANSWER SECTION (2 records) comcast.net. 7200 IN A 96.99.227.0 comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dns101.comcast.net is authoritative for comcast.net
	Found RRSIG signed by comcast.net zone
	Query to dns103.comcast.net for comcast.net/SOA
	Received 282 bytes from 68.87.76.228
	;; Response received from [68.87.76.228] 282 octets ;; HEADER SECTION ;; id = 62984 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN SOA ;; ANSWER SECTION (2 records) comcast.net. 7200 IN SOA ( dns101.comcast.net. domregtech.comcastonline.com. 2008257259 ;serial 7200 ;refresh 3600 ;retry 1209600 ;expire 900 ;minimum ) comcast.net. 7200 IN RRSIG ( SOA 5 2 7200 20250505144438 20250418143938 26550 comcast.net. sCtv5F6AOnOnTcKlirDydHd+I7s4vzA5yH9ZRXK5ozUaf0wi2EcADcGZR/QOMTOu0pc5IaaSjO+H 8To1pmdVQe/xMvCSxUTA2OF0HBhBgxFMkSw98Zy04ezt+TbKZdP7Iin7I6ONMKy5aB+5h5Q5DRoY SCgty2By20jjEeGIRYE= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns102.comcast.net for comcast.net/SOA
	Received 282 bytes from 68.87.85.132
	;; Response received from [68.87.85.132] 282 octets ;; HEADER SECTION ;; id = 8258 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN SOA ;; ANSWER SECTION (2 records) comcast.net. 7200 IN SOA ( dns101.comcast.net. domregtech.comcastonline.com. 2008257259 ;serial 7200 ;refresh 3600 ;retry 1209600 ;expire 900 ;minimum ) comcast.net. 7200 IN RRSIG ( SOA 5 2 7200 20250505144438 20250418143938 26550 comcast.net. sCtv5F6AOnOnTcKlirDydHd+I7s4vzA5yH9ZRXK5ozUaf0wi2EcADcGZR/QOMTOu0pc5IaaSjO+H 8To1pmdVQe/xMvCSxUTA2OF0HBhBgxFMkSw98Zy04ezt+TbKZdP7Iin7I6ONMKy5aB+5h5Q5DRoY SCgty2By20jjEeGIRYE= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns104.comcast.net for comcast.net/SOA
	Received 282 bytes from 68.87.68.244
	;; Response received from [68.87.68.244] 282 octets ;; HEADER SECTION ;; id = 21771 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN SOA ;; ANSWER SECTION (2 records) comcast.net. 7200 IN SOA ( dns101.comcast.net. domregtech.comcastonline.com. 2008257259 ;serial 7200 ;refresh 3600 ;retry 1209600 ;expire 900 ;minimum ) comcast.net. 7200 IN RRSIG ( SOA 5 2 7200 20250505144438 20250418143938 26550 comcast.net. sCtv5F6AOnOnTcKlirDydHd+I7s4vzA5yH9ZRXK5ozUaf0wi2EcADcGZR/QOMTOu0pc5IaaSjO+H 8To1pmdVQe/xMvCSxUTA2OF0HBhBgxFMkSw98Zy04ezt+TbKZdP7Iin7I6ONMKy5aB+5h5Q5DRoY SCgty2By20jjEeGIRYE= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns105.comcast.net for comcast.net/SOA
	Received 282 bytes from 68.87.72.244
	;; Response received from [68.87.72.244] 282 octets ;; HEADER SECTION ;; id = 28924 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN SOA ;; ANSWER SECTION (2 records) comcast.net. 7200 IN SOA ( dns101.comcast.net. domregtech.comcastonline.com. 2008257259 ;serial 7200 ;refresh 3600 ;retry 1209600 ;expire 900 ;minimum ) comcast.net. 7200 IN RRSIG ( SOA 5 2 7200 20250505144438 20250418143938 26550 comcast.net. sCtv5F6AOnOnTcKlirDydHd+I7s4vzA5yH9ZRXK5ozUaf0wi2EcADcGZR/QOMTOu0pc5IaaSjO+H 8To1pmdVQe/xMvCSxUTA2OF0HBhBgxFMkSw98Zy04ezt+TbKZdP7Iin7I6ONMKy5aB+5h5Q5DRoY SCgty2By20jjEeGIRYE= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns101.comcast.net for comcast.net/A
	Received 227 bytes from 69.252.250.103
	;; Response received from [69.252.250.103] 227 octets ;; HEADER SECTION ;; id = 31297 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN A ;; ANSWER SECTION (2 records) comcast.net. 7200 IN A 96.99.227.0 comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	comcast.net A RR has value 96.99.227.0
	Found 1 RRSIGs over A RRset
	`comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= )`
	RRSIG=26550 and DNSKEY=26550 verifies the A RRset

comcast.net

	Query to dns102.comcast.net for comcast.net/A
	Received 227 bytes from 68.87.85.132
	;; Response received from [68.87.85.132] 227 octets ;; HEADER SECTION ;; id = 65284 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN A ;; ANSWER SECTION (2 records) comcast.net. 7200 IN A 96.99.227.0 comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dns102.comcast.net is authoritative for comcast.net
	Found RRSIG signed by comcast.net zone
	Query to dns102.comcast.net for comcast.net/A
	Received 227 bytes from 68.87.85.132
	;; Response received from [68.87.85.132] 227 octets ;; HEADER SECTION ;; id = 50929 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN A ;; ANSWER SECTION (2 records) comcast.net. 7200 IN A 96.99.227.0 comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	comcast.net A RR has value 96.99.227.0
	Found 1 RRSIGs over A RRset
	`comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= )`
	RRSIG=26550 and DNSKEY=26550 verifies the A RRset

comcast.net

	Query to dns105.comcast.net for comcast.net/A
	Received 227 bytes from 68.87.72.244
	;; Response received from [68.87.72.244] 227 octets ;; HEADER SECTION ;; id = 60649 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN A ;; ANSWER SECTION (2 records) comcast.net. 7200 IN A 96.99.227.0 comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dns105.comcast.net is authoritative for comcast.net
	Found RRSIG signed by comcast.net zone
	Query to dns105.comcast.net for comcast.net/A
	Received 227 bytes from 68.87.72.244
	;; Response received from [68.87.72.244] 227 octets ;; HEADER SECTION ;; id = 28029 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN A ;; ANSWER SECTION (2 records) comcast.net. 7200 IN A 96.99.227.0 comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	comcast.net A RR has value 96.99.227.0
	Found 1 RRSIGs over A RRset
	`comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= )`
	RRSIG=26550 and DNSKEY=26550 verifies the A RRset

comcast.net

	Query to dns104.comcast.net for comcast.net/A
	Received 227 bytes from 68.87.68.244
	;; Response received from [68.87.68.244] 227 octets ;; HEADER SECTION ;; id = 7479 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN A ;; ANSWER SECTION (2 records) comcast.net. 7200 IN A 96.99.227.0 comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dns104.comcast.net is authoritative for comcast.net
	Found RRSIG signed by comcast.net zone
	Query to dns104.comcast.net for comcast.net/A
	Received 227 bytes from 68.87.68.244
	;; Response received from [68.87.68.244] 227 octets ;; HEADER SECTION ;; id = 334 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN A ;; ANSWER SECTION (2 records) comcast.net. 7200 IN A 96.99.227.0 comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	comcast.net A RR has value 96.99.227.0
	Found 1 RRSIGs over A RRset
	`comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= )`
	RRSIG=26550 and DNSKEY=26550 verifies the A RRset

comcast.net

	Query to dns103.comcast.net for comcast.net/A
	Received 227 bytes from 68.87.76.228
	;; Response received from [68.87.76.228] 227 octets ;; HEADER SECTION ;; id = 18950 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN A ;; ANSWER SECTION (2 records) comcast.net. 7200 IN A 96.99.227.0 comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	dns103.comcast.net is authoritative for comcast.net
	Found RRSIG signed by comcast.net zone
	Query to dns103.comcast.net for comcast.net/A
	Received 227 bytes from 68.87.76.228
	;; Response received from [68.87.76.228] 227 octets ;; HEADER SECTION ;; id = 11600 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; comcast.net. IN A ;; ANSWER SECTION (2 records) comcast.net. 7200 IN A 96.99.227.0 comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	comcast.net A RR has value 96.99.227.0
	Found 1 RRSIGs over A RRset
	`comcast.net. 7200 IN RRSIG ( A 5 2 7200 20250505144438 20250418143938 26550 comcast.net. VGbSdhxhbBxCcQ1iGzswsLdIzMKh/913typeX3SYJYF6WAER0uWUsBdvhkKmvRr6AEnT6DDt4LUf KxOJb+GXYsTWppkESnIYU4auWYHQwf0Ko9hhDfzDaOhDHepeT8KpRnR3bQYrC5daVaQ2BZRw+Vbl n9xBv07Dj8p7n0UBEIo= )`
	RRSIG=26550 and DNSKEY=26550 verifies the A RRset

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test comcast.net at dnsviz.net.

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: