DNSSEC Debugger - harvard.edu

Back to Verisign Labs Tools

Domain Name:

Detail: more(+) / less(-)

Time: 2026-06-27 18:09:33 UTC

Analyzing DNSSEC problems for harvard.edu

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

DS=38696/SHA-256 is now in the chain-of-trust

	Checking DS between Trust Anchor and .
	`. IN DS ( 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d )`
	`. IN DS ( 38696 8 2 683d2d0acb8c9b712a1948b27f741219298d0a450d612c483af444a4c0fb2b16 )`
	Query to m.root-servers.net for ./DNSKEY
	Received 1417 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 1417 octets ;; HEADER SECTION ;; id = 54400 ;; 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 = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (5 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 AwEAAb5dDYffpgAJ8VUGLwQtWXPlQWsjIFJtCM00/XaKU+8ln+ofah3q2KxEIjvzQg+nqdxRj+8e mtPne1mtYcbFWP4Q9E+DniOJLK09R05FuzvGbrG7DDdRDUX/cedFdV7O8pFEAYpJqYNR9BCTIAV9 73DO2biauKSA31b7I2lK/woxoR1tf5cqJ4SMbJUviuHicAEoUi2ATswloZNWd5T5thmEFZnxFx7D 5UgKCY7oflS7+GU7dNJwEtmFnWYVETHN0kHXVz6aguouaAZp706YXNIoR/iTgQhmsR7XX+wL0Z8Q M2LxQIyU6vRZ06IyuJMGRMiwkSuGElbumyBt12JZbrU= ) ; keytag 54393 . 172800 IN DNSKEY ( 256 3 8 AwEAAeCYD6Z7WWKVLeuWgowKP+3g+Gs1cnLKq7a3CaQxQpv8bfuFVI0WnG33qaSH/Mw9IBgifrdz f4XY/DQLnyBJ9MfaOyAWuEaEmYJ+GQPiwVVfstGwSA1McfFJUttTgq2Huu74KARhtA8wPo/N3Xcy YQtNhz+qCM5NBb3ecx/naw6sYab9LxS6f2cU0q03++BP5Ks0Uef8WJCa/1izCYE+vMkwoltV+tEN a3hpXiZ7jle/xdgaZrPi5ZGmyLVI34g1XVYrNlsCCTmNvFQIfzW5STFQFsQpizczyFn9r3LzSxxP CNwdlCG84bER0BmdwqbF6Tanv+FxMOavrahkj4wIy5k= ) ; keytag 57780 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20260711000000 20260620000000 20326 . UU/g/jQ3AjhIGIxSxGVoYAg1X117oL9XvEKrRR3YUZVoVsaHrb9Cd1lMqqmCJXbnReOQeetx9ms+ jAzt+Jvi79GIBABl7r0VTkHdJle67pwRtOOeCjMxvSsQIikZg3DIpl0bBvr4o3+0rlN3xjdCsQEC OOseGCjggcrqkimc+tOdD/l1r67R3rBjrhu3VDInUSmtnF0h7j9JxEMJcfRxFDjFvFOxSAn+X2x8 alBURCi50ksk7K3kaC73ccmUt5+Mb3za+4dEOtXuIPEwpmx1qKRdaIv2N9tvE0zo2CClfwLCrK+c 2YVCcqujrKL8TTV3rWICBxDO5Bc2tkdOZm79Cw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 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 AwEAAb5dDYffpgAJ8VUGLwQtWXPlQWsjIFJtCM00/XaKU+8ln+ofah3q2KxEIjvzQg+nqdxRj+8e mtPne1mtYcbFWP4Q9E+DniOJLK09R05FuzvGbrG7DDdRDUX/cedFdV7O8pFEAYpJqYNR9BCTIAV9 73DO2biauKSA31b7I2lK/woxoR1tf5cqJ4SMbJUviuHicAEoUi2ATswloZNWd5T5thmEFZnxFx7D 5UgKCY7oflS7+GU7dNJwEtmFnWYVETHN0kHXVz6aguouaAZp706YXNIoR/iTgQhmsR7XX+wL0Z8Q M2LxQIyU6vRZ06IyuJMGRMiwkSuGElbumyBt12JZbrU= ) ; keytag 54393`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAeCYD6Z7WWKVLeuWgowKP+3g+Gs1cnLKq7a3CaQxQpv8bfuFVI0WnG33qaSH/Mw9IBgifrdz f4XY/DQLnyBJ9MfaOyAWuEaEmYJ+GQPiwVVfstGwSA1McfFJUttTgq2Huu74KARhtA8wPo/N3Xcy YQtNhz+qCM5NBb3ecx/naw6sYab9LxS6f2cU0q03++BP5Ks0Uef8WJCa/1izCYE+vMkwoltV+tEN a3hpXiZ7jle/xdgaZrPi5ZGmyLVI34g1XVYrNlsCCTmNvFQIfzW5STFQFsQpizczyFn9r3LzSxxP CNwdlCG84bER0BmdwqbF6Tanv+FxMOavrahkj4wIy5k= ) ; keytag 57780`
	DNSKEY=20326/SEP is now in the chain-of-trust
	DS=20326/SHA-256 verifies DNSKEY=20326/SEP
	DNSKEY=38696/SEP is now in the chain-of-trust
	DS=38696/SHA-256 verifies DNSKEY=38696/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20260711000000 20260620000000 20326 . UU/g/jQ3AjhIGIxSxGVoYAg1X117oL9XvEKrRR3YUZVoVsaHrb9Cd1lMqqmCJXbnReOQeetx9ms+ jAzt+Jvi79GIBABl7r0VTkHdJle67pwRtOOeCjMxvSsQIikZg3DIpl0bBvr4o3+0rlN3xjdCsQEC OOseGCjggcrqkimc+tOdD/l1r67R3rBjrhu3VDInUSmtnF0h7j9JxEMJcfRxFDjFvFOxSAn+X2x8 alBURCi50ksk7K3kaC73ccmUt5+Mb3za+4dEOtXuIPEwpmx1qKRdaIv2N9tvE0zo2CClfwLCrK+c 2YVCcqujrKL8TTV3rWICBxDO5Bc2tkdOZm79Cw== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=54393 is now in the chain-of-trust
	DNSKEY=57780 is now in the chain-of-trust
	Query to h.root-servers.net for harvard.edu/A
	Received 1170 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 1170 octets ;; HEADER SECTION ;; id = 3593 ;; 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) ;; harvard.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20260710170000 20260627160000 54393 . FfBHIqlZBwPELmnTUdweBdIAFIrmn08K0cuKE2z5DBH+Vo2bMvtCZKKN6rJnRzod6g0lalXrYHqf rAi5RqHcQUvm3wSyLKVAyZQig6nQ3huBlGEa0QKqAP8Rzw3Eh3kj+BloErq4b9uNI+HrI+aIW3oU Mopvke/0EKnMNhCm0nbMmu+YJdmefTT8/WhDG8eu68mzPoXWxb0KuLwNxvZvlOCaz7QS8WZqGLS4 gWuvEEq4LqX3mgimaU3YBCEDNuMtyRYgPvMBs9KNaF/obs6E8g06r4F8vA+rSQKkc48Z4f2A1+CR gK+XdCpFNq9zu18UEJ+LGXiPwm/aqr+NYqwDFQ== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 b.edu-servers.net. 172800 IN A 192.33.14.30 c.edu-servers.net. 172800 IN A 192.26.92.30 d.edu-servers.net. 172800 IN A 192.31.80.30 e.edu-servers.net. 172800 IN A 192.12.94.30 f.edu-servers.net. 172800 IN A 192.35.51.30 g.edu-servers.net. 172800 IN A 192.42.93.30 h.edu-servers.net. 172800 IN A 192.54.112.30 i.edu-servers.net. 172800 IN A 192.43.172.30 j.edu-servers.net. 172800 IN A 192.48.79.30 k.edu-servers.net. 172800 IN A 192.52.178.30 l.edu-servers.net. 172800 IN A 192.41.162.30 m.edu-servers.net. 172800 IN A 192.55.83.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Query to l.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 1162 octets ;; HEADER SECTION ;; id = 28875 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20260710170000 20260627160000 54393 . FfBHIqlZBwPELmnTUdweBdIAFIrmn08K0cuKE2z5DBH+Vo2bMvtCZKKN6rJnRzod6g0lalXrYHqf rAi5RqHcQUvm3wSyLKVAyZQig6nQ3huBlGEa0QKqAP8Rzw3Eh3kj+BloErq4b9uNI+HrI+aIW3oU Mopvke/0EKnMNhCm0nbMmu+YJdmefTT8/WhDG8eu68mzPoXWxb0KuLwNxvZvlOCaz7QS8WZqGLS4 gWuvEEq4LqX3mgimaU3YBCEDNuMtyRYgPvMBs9KNaF/obs6E8g06r4F8vA+rSQKkc48Z4f2A1+CR gK+XdCpFNq9zu18UEJ+LGXiPwm/aqr+NYqwDFQ== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 b.edu-servers.net. 172800 IN A 192.33.14.30 c.edu-servers.net. 172800 IN A 192.26.92.30 d.edu-servers.net. 172800 IN A 192.31.80.30 e.edu-servers.net. 172800 IN A 192.12.94.30 f.edu-servers.net. 172800 IN A 192.35.51.30 g.edu-servers.net. 172800 IN A 192.42.93.30 h.edu-servers.net. 172800 IN A 192.54.112.30 i.edu-servers.net. 172800 IN A 192.43.172.30 j.edu-servers.net. 172800 IN A 192.48.79.30 k.edu-servers.net. 172800 IN A 192.52.178.30 l.edu-servers.net. 172800 IN A 192.41.162.30 m.edu-servers.net. 172800 IN A 192.55.83.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Found child zone edu

edu

	Checking DS between . and edu
	Query to j.root-servers.net for edu/DS
	Received 367 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 367 octets ;; HEADER SECTION ;; id = 24684 ;; 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": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DS ;; ANSWER SECTION (2 records) edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20260710170000 20260627160000 54393 . FfBHIqlZBwPELmnTUdweBdIAFIrmn08K0cuKE2z5DBH+Vo2bMvtCZKKN6rJnRzod6g0lalXrYHqf rAi5RqHcQUvm3wSyLKVAyZQig6nQ3huBlGEa0QKqAP8Rzw3Eh3kj+BloErq4b9uNI+HrI+aIW3oU Mopvke/0EKnMNhCm0nbMmu+YJdmefTT8/WhDG8eu68mzPoXWxb0KuLwNxvZvlOCaz7QS8WZqGLS4 gWuvEEq4LqX3mgimaU3YBCEDNuMtyRYgPvMBs9KNaF/obs6E8g06r4F8vA+rSQKkc48Z4f2A1+CR gK+XdCpFNq9zu18UEJ+LGXiPwm/aqr+NYqwDFQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for edu in the . zone
	DS=35663/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`edu. 86400 IN RRSIG ( DS 8 1 86400 20260710170000 20260627160000 54393 . FfBHIqlZBwPELmnTUdweBdIAFIrmn08K0cuKE2z5DBH+Vo2bMvtCZKKN6rJnRzod6g0lalXrYHqf rAi5RqHcQUvm3wSyLKVAyZQig6nQ3huBlGEa0QKqAP8Rzw3Eh3kj+BloErq4b9uNI+HrI+aIW3oU Mopvke/0EKnMNhCm0nbMmu+YJdmefTT8/WhDG8eu68mzPoXWxb0KuLwNxvZvlOCaz7QS8WZqGLS4 gWuvEEq4LqX3mgimaU3YBCEDNuMtyRYgPvMBs9KNaF/obs6E8g06r4F8vA+rSQKkc48Z4f2A1+CR gK+XdCpFNq9zu18UEJ+LGXiPwm/aqr+NYqwDFQ== )`
	RRSIG=54393 and DNSKEY=54393 verifies the DS RRset
	DS=35663/SHA-256 is now in the chain-of-trust
	`edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d )`
	Query to a.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.5.6.30
	;; Response received from [192.5.6.30] 291 octets ;; HEADER SECTION ;; id = 47053 ;; 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) ;; edu. IN DNSKEY ;; ANSWER SECTION (3 records) edu. 86400 IN DNSKEY ( 256 3 13 WVHVp4Eprbq3+EmJ+XzSYbMy23PB3kzdKKmDpC7cME7yP44I5k/Fa64TOEpDHsJlZLDw28EQ8ypo /F3UAwLN0A== ) ; keytag 37239 edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663 edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260709151114 20260624150614 35663 edu. F5mFvNHDY3YtL1saMT4vBqwIO+i2IHv5lcNLktQ/0v4PftOYnpZefhf16dJ5hEAT5wjHIAmEtVoH MBfhHvxkTA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for edu
	`edu. 86400 IN DNSKEY ( 256 3 13 WVHVp4Eprbq3+EmJ+XzSYbMy23PB3kzdKKmDpC7cME7yP44I5k/Fa64TOEpDHsJlZLDw28EQ8ypo /F3UAwLN0A== ) ; keytag 37239`
	`edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663`
	DNSKEY=35663/SEP is now in the chain-of-trust
	DS=35663/SHA-256 verifies DNSKEY=35663/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260709151114 20260624150614 35663 edu. F5mFvNHDY3YtL1saMT4vBqwIO+i2IHv5lcNLktQ/0v4PftOYnpZefhf16dJ5hEAT5wjHIAmEtVoH MBfhHvxkTA== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=37239 is now in the chain-of-trust
	Query to g.edu-servers.net for harvard.edu/A
	Received 319 bytes from 192.42.93.30
	;; Response received from [192.42.93.30] 319 octets ;; HEADER SECTION ;; id = 43114 ;; 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 = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; harvard.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) harvard.edu. 172800 IN NS a7-65.akam.net. harvard.edu. 172800 IN NS a11-67.akam.net. harvard.edu. 172800 IN NS a1-171.akam.net. harvard.edu. 172800 IN NS a16-64.akam.net. harvard.edu. 172800 IN NS a6-66.akam.net. harvard.edu. 172800 IN NS a10-66.akam.net. harvard.edu. 86400 IN DS ( 38415 13 2 29f5c3ab0130c273d4504938a111f02ca9342dd13c02e92b369537c5a18020c1 ) harvard.edu. 86400 IN RRSIG ( DS 13 2 86400 20260703032413 20260626021413 37239 edu. kmDbs5Hjw3/6veJzntW6nkZc987jdDgx4sLLAnpDurQwax86ZGxNbiC90l7s5X/8GPRNtyxtN6fJ eFtbjOQYFA== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to f.edu-servers.net for harvard.edu/DNSKEY
	Received 319 bytes from 192.35.51.30
	;; Response received from [192.35.51.30] 319 octets ;; HEADER SECTION ;; id = 27688 ;; 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 = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; harvard.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) harvard.edu. 172800 IN NS a7-65.akam.net. harvard.edu. 172800 IN NS a11-67.akam.net. harvard.edu. 172800 IN NS a1-171.akam.net. harvard.edu. 172800 IN NS a16-64.akam.net. harvard.edu. 172800 IN NS a6-66.akam.net. harvard.edu. 172800 IN NS a10-66.akam.net. harvard.edu. 86400 IN DS ( 38415 13 2 29f5c3ab0130c273d4504938a111f02ca9342dd13c02e92b369537c5a18020c1 ) harvard.edu. 86400 IN RRSIG ( DS 13 2 86400 20260703032413 20260626021413 37239 edu. kmDbs5Hjw3/6veJzntW6nkZc987jdDgx4sLLAnpDurQwax86ZGxNbiC90l7s5X/8GPRNtyxtN6fJ eFtbjOQYFA== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone harvard.edu

harvard.edu

	Checking DS between edu and harvard.edu
	Query to k.edu-servers.net for harvard.edu/DS
	Received 1081 bytes from 192.52.178.30
	;; Response received from [192.52.178.30] 1081 octets ;; HEADER SECTION ;; id = 17152 ;; 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 = 14 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; harvard.edu. IN DS ;; ANSWER SECTION (2 records) harvard.edu. 86400 IN DS ( 38415 13 2 29f5c3ab0130c273d4504938a111f02ca9342dd13c02e92b369537c5a18020c1 ) harvard.edu. 86400 IN RRSIG ( DS 13 2 86400 20260703032413 20260626021413 37239 edu. kmDbs5Hjw3/6veJzntW6nkZc987jdDgx4sLLAnpDurQwax86ZGxNbiC90l7s5X/8GPRNtyxtN6fJ eFtbjOQYFA== ) ;; AUTHORITY SECTION (14 records) edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN RRSIG ( NS 13 1 172800 20260702032625 20260625021625 37239 edu. n5z9wB4RqxizmRe1fr41vboySseIhue7+sPystlJj+x6/L7m0h3SUuIUHQghSoBdX4RoxoLOXU1/ flxAMWSU8w== ) ;; ADDITIONAL SECTION (27 records) g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 m.edu-servers.net. 172800 IN A 192.55.83.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for harvard.edu in the edu zone
	DS=38415/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`harvard.edu. 86400 IN RRSIG ( DS 13 2 86400 20260703032413 20260626021413 37239 edu. kmDbs5Hjw3/6veJzntW6nkZc987jdDgx4sLLAnpDurQwax86ZGxNbiC90l7s5X/8GPRNtyxtN6fJ eFtbjOQYFA== )`
	RRSIG=37239 and DNSKEY=37239 verifies the DS RRset
	DS=38415/SHA-256 is now in the chain-of-trust
	`harvard.edu. 86400 IN DS ( 38415 13 2 29f5c3ab0130c273d4504938a111f02ca9342dd13c02e92b369537c5a18020c1 )`
	Query to a7-65.akam.net for harvard.edu/DNSKEY
	Received 574 bytes from 23.61.199.65
	;; Response received from [23.61.199.65] 574 octets ;; HEADER SECTION ;; id = 10401 ;; 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 = 6 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; harvard.edu. IN DNSKEY ;; ANSWER SECTION (6 records) harvard.edu. 7200 IN DNSKEY ( 256 3 13 mYKKxCkwarZQ0eBMmFVDrBPhjvM8jUB7f1sUYcUZzVcPlKTFAbmVV7NbUQQhHuYH+axQlzXOs3HB XEanIPZXqA== ) ; keytag 6781 harvard.edu. 7200 IN DNSKEY ( 257 3 13 EkKHwxdk/inZi8RzddPQHgHBjT2gv01pa7ayCsnJUqJE8VYfsBdz5ZLH8oyUvHZ4s5d7FVaxivHo QBnkn85FTA== ) ; keytag 38415 harvard.edu. 7200 IN DNSKEY ( 257 3 13 a5ZjwYY78ViZmOYnfzMADYRXW1V/qCOkYdhlPC083+8fmI7juCZXdZyI69Vfa2Mv30uHenFjwotg itTGMXWvGw== ) ; keytag 23262 harvard.edu. 7200 IN DNSKEY ( 256 3 13 S7hlSEVH6GqS5O7Yn6O0IfXL1XI3xrmJ9GKcLmedB92go+5+sl+rUaHgoNdkLs4av5i1SIISwEfT eGMabnMc4w== ) ; keytag 20440 harvard.edu. 7200 IN RRSIG ( DNSKEY 13 2 7200 20260630134640 20260627124640 23262 harvard.edu. UVpEyJ6j5aBG327zKHVkuTC/oRWF1OuTjH1e9rdeAdrHq5u08nCtwpd89WIp97RVRyQgjG8jpwaX Plv0dOhfKQ== ) harvard.edu. 7200 IN RRSIG ( DNSKEY 13 2 7200 20260630134640 20260627124640 38415 harvard.edu. lr2x8nXatGO/tIqNGuUA2ztmI7rEhWkpI0jRborn9V8FB4guHcZG9TOBI7B/ZduUSIfTnwYGgd+Z nxZAh+YMTQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for harvard.edu
	`harvard.edu. 7200 IN DNSKEY ( 256 3 13 mYKKxCkwarZQ0eBMmFVDrBPhjvM8jUB7f1sUYcUZzVcPlKTFAbmVV7NbUQQhHuYH+axQlzXOs3HB XEanIPZXqA== ) ; keytag 6781`
	`harvard.edu. 7200 IN DNSKEY ( 257 3 13 EkKHwxdk/inZi8RzddPQHgHBjT2gv01pa7ayCsnJUqJE8VYfsBdz5ZLH8oyUvHZ4s5d7FVaxivHo QBnkn85FTA== ) ; keytag 38415`
	`harvard.edu. 7200 IN DNSKEY ( 257 3 13 a5ZjwYY78ViZmOYnfzMADYRXW1V/qCOkYdhlPC083+8fmI7juCZXdZyI69Vfa2Mv30uHenFjwotg itTGMXWvGw== ) ; keytag 23262`
	`harvard.edu. 7200 IN DNSKEY ( 256 3 13 S7hlSEVH6GqS5O7Yn6O0IfXL1XI3xrmJ9GKcLmedB92go+5+sl+rUaHgoNdkLs4av5i1SIISwEfT eGMabnMc4w== ) ; keytag 20440`
	DNSKEY=38415/SEP is now in the chain-of-trust
	DS=38415/SHA-256 verifies DNSKEY=38415/SEP
	Found 2 RRSIGs over DNSKEY RRset
	`harvard.edu. 7200 IN RRSIG ( DNSKEY 13 2 7200 20260630134640 20260627124640 23262 harvard.edu. UVpEyJ6j5aBG327zKHVkuTC/oRWF1OuTjH1e9rdeAdrHq5u08nCtwpd89WIp97RVRyQgjG8jpwaX Plv0dOhfKQ== )`
	`harvard.edu. 7200 IN RRSIG ( DNSKEY 13 2 7200 20260630134640 20260627124640 38415 harvard.edu. lr2x8nXatGO/tIqNGuUA2ztmI7rEhWkpI0jRborn9V8FB4guHcZG9TOBI7B/ZduUSIfTnwYGgd+Z nxZAh+YMTQ== )`
	RRSIG=23262 and DNSKEY=23262/SEP verifies the DNSKEY RRset
	RRSIG=38415 and DNSKEY=38415/SEP verifies the DNSKEY RRset
	DNSKEY=6781 is now in the chain-of-trust
	DNSKEY=23262/SEP is now in the chain-of-trust
	DNSKEY=20440 is now in the chain-of-trust
	Query to a1-171.akam.net for harvard.edu/A
	Received 163 bytes from 193.108.91.171
	;; Response received from [193.108.91.171] 163 octets ;; HEADER SECTION ;; id = 57497 ;; 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) ;; harvard.edu. IN A ;; ANSWER SECTION (2 records) harvard.edu. 300 IN A 192.0.66.20 harvard.edu. 300 IN RRSIG ( A 13 2 300 20260630134640 20260627124640 20440 harvard.edu. 4hYz84EIJrk5JvfUfQUzquCt8JW8f9XvdfXrScNu+ny+RQcytzQS8LcOxfCgPM3Bcr9nctzdfQxe DaRxTu0VAw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	a1-171.akam.net is authoritative for harvard.edu
	Found RRSIG signed by harvard.edu zone
	Query to a11-67.akam.net for harvard.edu/SOA
	Received 433 bytes from 84.53.139.67
	;; Response received from [84.53.139.67] 433 octets ;; HEADER SECTION ;; id = 37588 ;; 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 = 7 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; harvard.edu. IN SOA ;; ANSWER SECTION (2 records) harvard.edu. 300 IN SOA ( a1-171.akam.net. netmanager.harvard.edu. 2023072113 ;serial 10800 ;refresh 3600 ;retry 2419200 ;expire 3600 ;minimum ) harvard.edu. 300 IN RRSIG ( SOA 13 2 300 20260630134640 20260627124640 20440 harvard.edu. OzPnp/Xdp28DG6XB5Cod1/h0SOdfOzhs5u0fjTKzYyfWTODkKZpjXF1nLGxWwwCaV3ekaEusZ/2h cwpM1PyAxw== ) ;; AUTHORITY SECTION (7 records) harvard.edu. 300 IN NS a16-64.akam.net. harvard.edu. 300 IN NS a1-171.akam.net. harvard.edu. 300 IN NS a6-66.akam.net. harvard.edu. 300 IN NS a11-67.akam.net. harvard.edu. 300 IN NS a10-66.akam.net. harvard.edu. 300 IN NS a7-65.akam.net. harvard.edu. 300 IN RRSIG ( NS 13 2 300 20260630134640 20260627124640 20440 harvard.edu. LMueATjC8eMAMjgA+guhMHJFN9rpM1z/x0aURt8T55sBR8tBiaFujECR+TRaEJFmhbrYN+BjwF3P y8Ze8+pY+g== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to a16-64.akam.net for harvard.edu/SOA
	Received 433 bytes from 23.211.132.64
	;; Response received from [23.211.132.64] 433 octets ;; HEADER SECTION ;; id = 24418 ;; 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 = 7 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; harvard.edu. IN SOA ;; ANSWER SECTION (2 records) harvard.edu. 300 IN SOA ( a1-171.akam.net. netmanager.harvard.edu. 2023072113 ;serial 10800 ;refresh 3600 ;retry 2419200 ;expire 3600 ;minimum ) harvard.edu. 300 IN RRSIG ( SOA 13 2 300 20260630134640 20260627124640 20440 harvard.edu. OzPnp/Xdp28DG6XB5Cod1/h0SOdfOzhs5u0fjTKzYyfWTODkKZpjXF1nLGxWwwCaV3ekaEusZ/2h cwpM1PyAxw== ) ;; AUTHORITY SECTION (7 records) harvard.edu. 300 IN NS a1-171.akam.net. harvard.edu. 300 IN NS a16-64.akam.net. harvard.edu. 300 IN NS a11-67.akam.net. harvard.edu. 300 IN NS a6-66.akam.net. harvard.edu. 300 IN NS a7-65.akam.net. harvard.edu. 300 IN NS a10-66.akam.net. harvard.edu. 300 IN RRSIG ( NS 13 2 300 20260630134640 20260627124640 20440 harvard.edu. LMueATjC8eMAMjgA+guhMHJFN9rpM1z/x0aURt8T55sBR8tBiaFujECR+TRaEJFmhbrYN+BjwF3P y8Ze8+pY+g== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to a7-65.akam.net for harvard.edu/SOA
	Received 433 bytes from 23.61.199.65
	;; Response received from [23.61.199.65] 433 octets ;; HEADER SECTION ;; id = 1882 ;; 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 = 7 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; harvard.edu. IN SOA ;; ANSWER SECTION (2 records) harvard.edu. 300 IN SOA ( a1-171.akam.net. netmanager.harvard.edu. 2023072113 ;serial 10800 ;refresh 3600 ;retry 2419200 ;expire 3600 ;minimum ) harvard.edu. 300 IN RRSIG ( SOA 13 2 300 20260630134640 20260627124640 20440 harvard.edu. OzPnp/Xdp28DG6XB5Cod1/h0SOdfOzhs5u0fjTKzYyfWTODkKZpjXF1nLGxWwwCaV3ekaEusZ/2h cwpM1PyAxw== ) ;; AUTHORITY SECTION (7 records) harvard.edu. 300 IN NS a16-64.akam.net. harvard.edu. 300 IN NS a11-67.akam.net. harvard.edu. 300 IN NS a6-66.akam.net. harvard.edu. 300 IN NS a7-65.akam.net. harvard.edu. 300 IN NS a1-171.akam.net. harvard.edu. 300 IN NS a10-66.akam.net. harvard.edu. 300 IN RRSIG ( NS 13 2 300 20260630134640 20260627124640 20440 harvard.edu. LMueATjC8eMAMjgA+guhMHJFN9rpM1z/x0aURt8T55sBR8tBiaFujECR+TRaEJFmhbrYN+BjwF3P y8Ze8+pY+g== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to a6-66.akam.net for harvard.edu/SOA
	Received 433 bytes from 23.211.133.66
	;; Response received from [23.211.133.66] 433 octets ;; HEADER SECTION ;; id = 39688 ;; 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 = 7 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; harvard.edu. IN SOA ;; ANSWER SECTION (2 records) harvard.edu. 300 IN SOA ( a1-171.akam.net. netmanager.harvard.edu. 2023072113 ;serial 10800 ;refresh 3600 ;retry 2419200 ;expire 3600 ;minimum ) harvard.edu. 300 IN RRSIG ( SOA 13 2 300 20260630134640 20260627124640 20440 harvard.edu. OzPnp/Xdp28DG6XB5Cod1/h0SOdfOzhs5u0fjTKzYyfWTODkKZpjXF1nLGxWwwCaV3ekaEusZ/2h cwpM1PyAxw== ) ;; AUTHORITY SECTION (7 records) harvard.edu. 300 IN NS a1-171.akam.net. harvard.edu. 300 IN NS a11-67.akam.net. harvard.edu. 300 IN NS a16-64.akam.net. harvard.edu. 300 IN NS a6-66.akam.net. harvard.edu. 300 IN NS a10-66.akam.net. harvard.edu. 300 IN NS a7-65.akam.net. harvard.edu. 300 IN RRSIG ( NS 13 2 300 20260630134640 20260627124640 20440 harvard.edu. LMueATjC8eMAMjgA+guhMHJFN9rpM1z/x0aURt8T55sBR8tBiaFujECR+TRaEJFmhbrYN+BjwF3P y8Ze8+pY+g== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to a10-66.akam.net for harvard.edu/SOA
	Received 433 bytes from 96.7.50.66
	;; Response received from [96.7.50.66] 433 octets ;; HEADER SECTION ;; id = 3377 ;; 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 = 7 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; harvard.edu. IN SOA ;; ANSWER SECTION (2 records) harvard.edu. 300 IN SOA ( a1-171.akam.net. netmanager.harvard.edu. 2023072113 ;serial 10800 ;refresh 3600 ;retry 2419200 ;expire 3600 ;minimum ) harvard.edu. 300 IN RRSIG ( SOA 13 2 300 20260630134640 20260627124640 20440 harvard.edu. OzPnp/Xdp28DG6XB5Cod1/h0SOdfOzhs5u0fjTKzYyfWTODkKZpjXF1nLGxWwwCaV3ekaEusZ/2h cwpM1PyAxw== ) ;; AUTHORITY SECTION (7 records) harvard.edu. 300 IN NS a7-65.akam.net. harvard.edu. 300 IN NS a11-67.akam.net. harvard.edu. 300 IN NS a16-64.akam.net. harvard.edu. 300 IN NS a10-66.akam.net. harvard.edu. 300 IN NS a1-171.akam.net. harvard.edu. 300 IN NS a6-66.akam.net. harvard.edu. 300 IN RRSIG ( NS 13 2 300 20260630134640 20260627124640 20440 harvard.edu. LMueATjC8eMAMjgA+guhMHJFN9rpM1z/x0aURt8T55sBR8tBiaFujECR+TRaEJFmhbrYN+BjwF3P y8Ze8+pY+g== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to a1-171.akam.net for harvard.edu/A
	harvard.edu A RR has value 192.0.66.20
	Found 1 RRSIGs over A RRset
	`harvard.edu. 300 IN RRSIG ( A 13 2 300 20260630134640 20260627124640 20440 harvard.edu. 4hYz84EIJrk5JvfUfQUzquCt8JW8f9XvdfXrScNu+ny+RQcytzQS8LcOxfCgPM3Bcr9nctzdfQxe DaRxTu0VAw== )`
	RRSIG=20440 and DNSKEY=20440 verifies the A RRset

harvard.edu

	Query to a7-65.akam.net for harvard.edu/A
	Received 163 bytes from 23.61.199.65
	;; Response received from [23.61.199.65] 163 octets ;; HEADER SECTION ;; id = 65393 ;; 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) ;; harvard.edu. IN A ;; ANSWER SECTION (2 records) harvard.edu. 300 IN A 192.0.66.20 harvard.edu. 300 IN RRSIG ( A 13 2 300 20260630134640 20260627124640 20440 harvard.edu. 4hYz84EIJrk5JvfUfQUzquCt8JW8f9XvdfXrScNu+ny+RQcytzQS8LcOxfCgPM3Bcr9nctzdfQxe DaRxTu0VAw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	a7-65.akam.net is authoritative for harvard.edu
	Found RRSIG signed by harvard.edu zone
	Query to a7-65.akam.net for harvard.edu/A
	harvard.edu A RR has value 192.0.66.20
	Found 1 RRSIGs over A RRset
	`harvard.edu. 300 IN RRSIG ( A 13 2 300 20260630134640 20260627124640 20440 harvard.edu. 4hYz84EIJrk5JvfUfQUzquCt8JW8f9XvdfXrScNu+ny+RQcytzQS8LcOxfCgPM3Bcr9nctzdfQxe DaRxTu0VAw== )`
	RRSIG=20440 and DNSKEY=20440 verifies the A RRset

harvard.edu

	Query to a16-64.akam.net for harvard.edu/A
	Received 163 bytes from 23.211.132.64
	;; Response received from [23.211.132.64] 163 octets ;; HEADER SECTION ;; id = 49246 ;; 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) ;; harvard.edu. IN A ;; ANSWER SECTION (2 records) harvard.edu. 300 IN A 192.0.66.20 harvard.edu. 300 IN RRSIG ( A 13 2 300 20260630134640 20260627124640 20440 harvard.edu. 4hYz84EIJrk5JvfUfQUzquCt8JW8f9XvdfXrScNu+ny+RQcytzQS8LcOxfCgPM3Bcr9nctzdfQxe DaRxTu0VAw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	a16-64.akam.net is authoritative for harvard.edu
	Found RRSIG signed by harvard.edu zone
	Query to a16-64.akam.net for harvard.edu/A
	harvard.edu A RR has value 192.0.66.20
	Found 1 RRSIGs over A RRset
	`harvard.edu. 300 IN RRSIG ( A 13 2 300 20260630134640 20260627124640 20440 harvard.edu. 4hYz84EIJrk5JvfUfQUzquCt8JW8f9XvdfXrScNu+ny+RQcytzQS8LcOxfCgPM3Bcr9nctzdfQxe DaRxTu0VAw== )`
	RRSIG=20440 and DNSKEY=20440 verifies the A RRset

harvard.edu

	Query to a6-66.akam.net for harvard.edu/A
	Received 163 bytes from 23.211.133.66
	;; Response received from [23.211.133.66] 163 octets ;; HEADER SECTION ;; id = 16071 ;; 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) ;; harvard.edu. IN A ;; ANSWER SECTION (2 records) harvard.edu. 300 IN A 192.0.66.20 harvard.edu. 300 IN RRSIG ( A 13 2 300 20260630134640 20260627124640 20440 harvard.edu. 4hYz84EIJrk5JvfUfQUzquCt8JW8f9XvdfXrScNu+ny+RQcytzQS8LcOxfCgPM3Bcr9nctzdfQxe DaRxTu0VAw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	a6-66.akam.net is authoritative for harvard.edu
	Found RRSIG signed by harvard.edu zone
	Query to a6-66.akam.net for harvard.edu/A
	harvard.edu A RR has value 192.0.66.20
	Found 1 RRSIGs over A RRset
	`harvard.edu. 300 IN RRSIG ( A 13 2 300 20260630134640 20260627124640 20440 harvard.edu. 4hYz84EIJrk5JvfUfQUzquCt8JW8f9XvdfXrScNu+ny+RQcytzQS8LcOxfCgPM3Bcr9nctzdfQxe DaRxTu0VAw== )`
	RRSIG=20440 and DNSKEY=20440 verifies the A RRset

harvard.edu

	Query to a10-66.akam.net for harvard.edu/A
	Received 163 bytes from 96.7.50.66
	;; Response received from [96.7.50.66] 163 octets ;; HEADER SECTION ;; id = 9548 ;; 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) ;; harvard.edu. IN A ;; ANSWER SECTION (2 records) harvard.edu. 300 IN A 192.0.66.20 harvard.edu. 300 IN RRSIG ( A 13 2 300 20260630134640 20260627124640 20440 harvard.edu. 4hYz84EIJrk5JvfUfQUzquCt8JW8f9XvdfXrScNu+ny+RQcytzQS8LcOxfCgPM3Bcr9nctzdfQxe DaRxTu0VAw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	a10-66.akam.net is authoritative for harvard.edu
	Found RRSIG signed by harvard.edu zone
	Query to a10-66.akam.net for harvard.edu/A
	harvard.edu A RR has value 192.0.66.20
	Found 1 RRSIGs over A RRset
	`harvard.edu. 300 IN RRSIG ( A 13 2 300 20260630134640 20260627124640 20440 harvard.edu. 4hYz84EIJrk5JvfUfQUzquCt8JW8f9XvdfXrScNu+ny+RQcytzQS8LcOxfCgPM3Bcr9nctzdfQxe DaRxTu0VAw== )`
	RRSIG=20440 and DNSKEY=20440 verifies the A RRset

harvard.edu

	Query to a11-67.akam.net for harvard.edu/A
	Received 163 bytes from 84.53.139.67
	;; Response received from [84.53.139.67] 163 octets ;; HEADER SECTION ;; id = 482 ;; 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) ;; harvard.edu. IN A ;; ANSWER SECTION (2 records) harvard.edu. 300 IN A 192.0.66.20 harvard.edu. 300 IN RRSIG ( A 13 2 300 20260630134640 20260627124640 20440 harvard.edu. 4hYz84EIJrk5JvfUfQUzquCt8JW8f9XvdfXrScNu+ny+RQcytzQS8LcOxfCgPM3Bcr9nctzdfQxe DaRxTu0VAw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	a11-67.akam.net is authoritative for harvard.edu
	Found RRSIG signed by harvard.edu zone
	Query to a11-67.akam.net for harvard.edu/A
	harvard.edu A RR has value 192.0.66.20
	Found 1 RRSIGs over A RRset
	`harvard.edu. 300 IN RRSIG ( A 13 2 300 20260630134640 20260627124640 20440 harvard.edu. 4hYz84EIJrk5JvfUfQUzquCt8JW8f9XvdfXrScNu+ny+RQcytzQS8LcOxfCgPM3Bcr9nctzdfQxe DaRxTu0VAw== )`
	RRSIG=20440 and DNSKEY=20440 verifies the A RRset

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test harvard.edu at dnsviz.net.

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: