DNSSEC Debugger - columbia.edu

Domain Name:

Time: 2026-01-17 02:33:29 UTC

Analyzing DNSSEC problems for columbia.edu

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 b.root-servers.net for ./DNSKEY
	Received 1139 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 1139 octets ;; HEADER SECTION ;; id = 13088 ;; 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": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAbNTVC2+pry4pc37pZI9Oj6b8FHxT3VGrvSPKLE1Tjyfe2kUZUtVX5xrv6AV4BVO+ygrYjGZ MNgEnbLU4zknnlnhI2e0g6iTza1aZh0dRZXGH16C1NUNq1CxBkUhIYQhQDeIOtLacx+RmFTc+hSH JJ2MJ79IS00kA7eKi6mofQ7SPJmdJVjI+JAx791y0f5QaB+iHGANU53FwiYXNUQjfAzCrtOaSevG sx8SO8BTaXLAjFq5eewOtwScVwfVDhEXlvpE6e+mIncwhNKaMRD9IPuHENqCNPI5MjxfAMVS6cEY 8eEozIkv/vHc+0Auu3n+Fcx6F2Js4KPXaHEShAXugfU= ) ; keytag 21831 . 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 RRSIG ( DNSKEY 8 0 172800 20260201000000 20260111000000 20326 . o5fb3sEBXqMp65iz/RYeHunfketTsbyKhRLUWAiB6chftQ2eNH4VI00qEw67TN2CdVW/V5TCrYSg aGS0iGFHQO230lhtKq11eAD2LYTkDLvVDVejbxNz9maZy98L2xhLvkE2L2Aaz+GgqjHy9VEb6nc+ mtfCNpr2H0/Yet6Mgie6pTOCXE++1tf4g8NWsEx0nE41pwURB7UbC9ssYdsgnYqaTzUwRVxbij99 BCxIDKoEnwNCQBJFqSkr7AKzEtuu8F1ktgFIMcgkWnRAnNFLtLrG8gOoJw8PfpDoFI/Qc0RJddKB /s4akfSood+kpPKR4HNossFw5UTQuDuarMGxuA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbNTVC2+pry4pc37pZI9Oj6b8FHxT3VGrvSPKLE1Tjyfe2kUZUtVX5xrv6AV4BVO+ygrYjGZ MNgEnbLU4zknnlnhI2e0g6iTza1aZh0dRZXGH16C1NUNq1CxBkUhIYQhQDeIOtLacx+RmFTc+hSH JJ2MJ79IS00kA7eKi6mofQ7SPJmdJVjI+JAx791y0f5QaB+iHGANU53FwiYXNUQjfAzCrtOaSevG sx8SO8BTaXLAjFq5eewOtwScVwfVDhEXlvpE6e+mIncwhNKaMRD9IPuHENqCNPI5MjxfAMVS6cEY 8eEozIkv/vHc+0Auu3n+Fcx6F2Js4KPXaHEShAXugfU= ) ; keytag 21831`
	`. 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`
	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 20260201000000 20260111000000 20326 . o5fb3sEBXqMp65iz/RYeHunfketTsbyKhRLUWAiB6chftQ2eNH4VI00qEw67TN2CdVW/V5TCrYSg aGS0iGFHQO230lhtKq11eAD2LYTkDLvVDVejbxNz9maZy98L2xhLvkE2L2Aaz+GgqjHy9VEb6nc+ mtfCNpr2H0/Yet6Mgie6pTOCXE++1tf4g8NWsEx0nE41pwURB7UbC9ssYdsgnYqaTzUwRVxbij99 BCxIDKoEnwNCQBJFqSkr7AKzEtuu8F1ktgFIMcgkWnRAnNFLtLrG8gOoJw8PfpDoFI/Qc0RJddKB /s4akfSood+kpPKR4HNossFw5UTQuDuarMGxuA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=21831 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to e.root-servers.net for columbia.edu/A
	Received 1171 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 1171 octets ;; HEADER SECTION ;; id = 36095 ;; 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": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.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 20260129220000 20260116210000 21831 . soMdgCGLIvS41VLpbeq1qYoAgVc9BVAlfshYYQQcoQdRsRm1hABWlRxMhCYfutuctWb7YYMt/cWE FtpDGU2Pekut/j/yd94M+f6TpvkVHrKfDw6CciXoGBKRd+iwPcvKmc2XRIVb2lh+YZe0dvlmgpb8 fX5YduO1xcHRk6ooYR1WJKhdiXVSKuP/6oSIMWlMuH01GauJ40PXOiiSpH/3iFkVsWkCQ99bn8k4 hl5q9PgBg4owtHNOMSQldWfQTx0ZtWHi/F74gjwDW7S5lXG13LvLiRwqocgZLlYEE+dbrDSzOJlD rea3R7RUdYR3Y+3Ad9pCmUZ6bj1qRUl4ChrVuQ== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN A 192.55.83.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Query to i.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 1162 octets ;; HEADER SECTION ;; id = 56602 ;; 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) ;; edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20260129220000 20260116210000 21831 . soMdgCGLIvS41VLpbeq1qYoAgVc9BVAlfshYYQQcoQdRsRm1hABWlRxMhCYfutuctWb7YYMt/cWE FtpDGU2Pekut/j/yd94M+f6TpvkVHrKfDw6CciXoGBKRd+iwPcvKmc2XRIVb2lh+YZe0dvlmgpb8 fX5YduO1xcHRk6ooYR1WJKhdiXVSKuP/6oSIMWlMuH01GauJ40PXOiiSpH/3iFkVsWkCQ99bn8k4 hl5q9PgBg4owtHNOMSQldWfQTx0ZtWHi/F74gjwDW7S5lXG13LvLiRwqocgZLlYEE+dbrDSzOJlD rea3R7RUdYR3Y+3Ad9pCmUZ6bj1qRUl4ChrVuQ== ) ;; ADDITIONAL SECTION (27 records) m.edu-servers.net. 172800 IN A 192.55.83.30 l.edu-servers.net. 172800 IN A 192.41.162.30 k.edu-servers.net. 172800 IN A 192.52.178.30 j.edu-servers.net. 172800 IN A 192.48.79.30 i.edu-servers.net. 172800 IN A 192.43.172.30 h.edu-servers.net. 172800 IN A 192.54.112.30 g.edu-servers.net. 172800 IN A 192.42.93.30 f.edu-servers.net. 172800 IN A 192.35.51.30 e.edu-servers.net. 172800 IN A 192.12.94.30 d.edu-servers.net. 172800 IN A 192.31.80.30 c.edu-servers.net. 172800 IN A 192.26.92.30 b.edu-servers.net. 172800 IN A 192.33.14.30 a.edu-servers.net. 172800 IN A 192.5.6.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 ;; { "EDNS-VERSION": 0 }
	Found child zone edu

edu

	Checking DS between . and edu
	Query to m.root-servers.net for edu/DS
	Received 367 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 367 octets ;; HEADER SECTION ;; id = 37529 ;; 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) ;; edu. IN DS ;; ANSWER SECTION (2 records) edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20260129220000 20260116210000 21831 . soMdgCGLIvS41VLpbeq1qYoAgVc9BVAlfshYYQQcoQdRsRm1hABWlRxMhCYfutuctWb7YYMt/cWE FtpDGU2Pekut/j/yd94M+f6TpvkVHrKfDw6CciXoGBKRd+iwPcvKmc2XRIVb2lh+YZe0dvlmgpb8 fX5YduO1xcHRk6ooYR1WJKhdiXVSKuP/6oSIMWlMuH01GauJ40PXOiiSpH/3iFkVsWkCQ99bn8k4 hl5q9PgBg4owtHNOMSQldWfQTx0ZtWHi/F74gjwDW7S5lXG13LvLiRwqocgZLlYEE+dbrDSzOJlD rea3R7RUdYR3Y+3Ad9pCmUZ6bj1qRUl4ChrVuQ== ) ;; 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 20260129220000 20260116210000 21831 . soMdgCGLIvS41VLpbeq1qYoAgVc9BVAlfshYYQQcoQdRsRm1hABWlRxMhCYfutuctWb7YYMt/cWE FtpDGU2Pekut/j/yd94M+f6TpvkVHrKfDw6CciXoGBKRd+iwPcvKmc2XRIVb2lh+YZe0dvlmgpb8 fX5YduO1xcHRk6ooYR1WJKhdiXVSKuP/6oSIMWlMuH01GauJ40PXOiiSpH/3iFkVsWkCQ99bn8k4 hl5q9PgBg4owtHNOMSQldWfQTx0ZtWHi/F74gjwDW7S5lXG13LvLiRwqocgZLlYEE+dbrDSzOJlD rea3R7RUdYR3Y+3Ad9pCmUZ6bj1qRUl4ChrVuQ== )`
	RRSIG=21831 and DNSKEY=21831 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 m.edu-servers.net for edu/DNSKEY
	Received 371 bytes from 192.55.83.30
	;; Response received from [192.55.83.30] 371 octets ;; HEADER SECTION ;; id = 31860 ;; 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) ;; edu. IN DNSKEY ;; ANSWER SECTION (4 records) edu. 86400 IN DNSKEY ( 256 3 13 z4lwcWrgRUDpdraaCEucEEmkrer/JTr5FtHXCpe1b+wON9Q2f0ytrulcutPgQOuh8YhsdM+cJa1X 5pDSvxeySA== ) ; keytag 35999 edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663 edu. 86400 IN DNSKEY ( 256 3 13 ofExWbhssID57iiPCfo97BkTsCvsSwz1SQaESyZir1MIqxRITdSKbOcUbrVEtScEVsIP6MoJ1+iL 3fMyJirNRA== ) ; keytag 16901 edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260130161114 20260115160614 35663 edu. Eb6w2HcvPAuw0ikXwb8AJpa+jPFihKopUk6EMEhpp9Vo0mB0SpYopgSpQA8JgXrVKopiM/iQZCdv FIF53fYtUA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for edu
	`edu. 86400 IN DNSKEY ( 256 3 13 z4lwcWrgRUDpdraaCEucEEmkrer/JTr5FtHXCpe1b+wON9Q2f0ytrulcutPgQOuh8YhsdM+cJa1X 5pDSvxeySA== ) ; keytag 35999`
	`edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663`
	`edu. 86400 IN DNSKEY ( 256 3 13 ofExWbhssID57iiPCfo97BkTsCvsSwz1SQaESyZir1MIqxRITdSKbOcUbrVEtScEVsIP6MoJ1+iL 3fMyJirNRA== ) ; keytag 16901`
	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 20260130161114 20260115160614 35663 edu. Eb6w2HcvPAuw0ikXwb8AJpa+jPFihKopUk6EMEhpp9Vo0mB0SpYopgSpQA8JgXrVKopiM/iQZCdv FIF53fYtUA== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=35999 is now in the chain-of-trust
	DNSKEY=16901 is now in the chain-of-trust
	Query to e.edu-servers.net for columbia.edu/A
	Received 519 bytes from 192.12.94.30
	;; Response received from [192.12.94.30] 519 octets ;; HEADER SECTION ;; id = 22094 ;; 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 = 2 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) columbia.edu. 172800 IN NS auth1.dns.cogentco.com. columbia.edu. 172800 IN NS auth2.dns.cogentco.com. columbia.edu. 172800 IN NS ns1.lse.ac.uk. columbia.edu. 172800 IN NS ext-ns1.columbia.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260120031746 20260113020746 35999 edu. 41NnCoBp1qb5dNkwhqXSnAr4RbNSJERkrrBAp550PhNNOJP+i+DVYt9BLTYx3xx2UQ16Aj9OoOwt RYhFHCYE5Q== ) 81UV3SQLCB4SE03LD7PLE8UB7GH4EU8B.edu. 900 IN NSEC3 ( 1 1 0 - 84r3vll0i0qrhsi5n9sj2knksff0jnmp NS DS RRSIG ) 81UV3SQLCB4SE03LD7PLE8UB7GH4EU8B.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260121031755 20260114020755 35999 edu. QdcwoWOWL+Fixp+whoHNM5m2ozpODfkPRS46qd3MeSSrMMhDy+3XmO4IM/kXuoX2d9l128g7U4WT +VcoW9Ax1w== ) ;; ADDITIONAL SECTION (2 records) ext-ns1.columbia.edu. 172800 IN A 128.59.1.1 ;; { "EDNS-VERSION": 0 }
	Query to j.edu-servers.net for columbia.edu/DNSKEY
	Received 519 bytes from 192.48.79.30
	;; Response received from [192.48.79.30] 519 octets ;; HEADER SECTION ;; id = 27584 ;; 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 = 2 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) columbia.edu. 172800 IN NS auth1.dns.cogentco.com. columbia.edu. 172800 IN NS auth2.dns.cogentco.com. columbia.edu. 172800 IN NS ns1.lse.ac.uk. columbia.edu. 172800 IN NS ext-ns1.columbia.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260120031746 20260113020746 35999 edu. 41NnCoBp1qb5dNkwhqXSnAr4RbNSJERkrrBAp550PhNNOJP+i+DVYt9BLTYx3xx2UQ16Aj9OoOwt RYhFHCYE5Q== ) 81UV3SQLCB4SE03LD7PLE8UB7GH4EU8B.edu. 900 IN NSEC3 ( 1 1 0 - 84r3vll0i0qrhsi5n9sj2knksff0jnmp NS DS RRSIG ) 81UV3SQLCB4SE03LD7PLE8UB7GH4EU8B.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260121031755 20260114020755 35999 edu. QdcwoWOWL+Fixp+whoHNM5m2ozpODfkPRS46qd3MeSSrMMhDy+3XmO4IM/kXuoX2d9l128g7U4WT +VcoW9Ax1w== ) ;; ADDITIONAL SECTION (2 records) ext-ns1.columbia.edu. 172800 IN A 128.59.1.1 ;; { "EDNS-VERSION": 0 }
	Found child zone columbia.edu

columbia.edu

	Checking DS between edu and columbia.edu
	Query to c.edu-servers.net for columbia.edu/DS
	Received 572 bytes from 192.26.92.30
	;; Response received from [192.26.92.30] 572 octets ;; HEADER SECTION ;; id = 11146 ;; 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 = 0 ;; nscount = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN DS ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN NSEC3 ( 1 1 0 - 9irjmuel398sejh8crdik2h2k85k5243 NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260120031746 20260113020746 35999 edu. 41NnCoBp1qb5dNkwhqXSnAr4RbNSJERkrrBAp550PhNNOJP+i+DVYt9BLTYx3xx2UQ16Aj9OoOwt RYhFHCYE5Q== ) edu. 900 IN SOA ( a.edu-servers.net. nstld.verisign-grs.com. 1768617184 ;serial 1800 ;refresh 900 ;retry 604800 ;expire 900 ;minimum ) edu. 900 IN RRSIG ( SOA 13 1 900 20260124023304 20260117012304 16901 edu. br2DTVw+yXhJMk3PAM7YSzeat7X+Zxx3kbrv0ngX/ZEZo46NaEOxULFx/be2iMnGroXsEJsyIraX ++FZr9x5tw== ) 81UV3SQLCB4SE03LD7PLE8UB7GH4EU8B.edu. 900 IN NSEC3 ( 1 1 0 - 84r3vll0i0qrhsi5n9sj2knksff0jnmp NS DS RRSIG ) 81UV3SQLCB4SE03LD7PLE8UB7GH4EU8B.edu. 900 IN RRSIG ( NSEC3 13 2 900 20260121031755 20260114020755 35999 edu. QdcwoWOWL+Fixp+whoHNM5m2ozpODfkPRS46qd3MeSSrMMhDy+3XmO4IM/kXuoX2d9l128g7U4WT +VcoW9Ax1w== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for columbia.edu in the edu zone
	Query to auth1.dns.cogentco.com for columbia.edu/DNSKEY
	Received 96 bytes from 66.28.0.14
	;; Response received from [66.28.0.14] 96 octets ;; HEADER SECTION ;; id = 11496 ;; 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 = 0 ;; nscount = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) columbia.edu. 300 IN SOA ( ext-ns1.columbia.edu. hostmaster.columbia.edu. 91066 ;serial 3600 ;refresh 1800 ;retry 2419200 ;expire 300 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	Query to ns1.lse.ac.uk for columbia.edu/A
	Received 73 bytes from 158.143.96.8
	;; Response received from [158.143.96.8] 73 octets ;; HEADER SECTION ;; id = 14404 ;; 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": 4000, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (2 records) columbia.edu. 3600 IN A 162.159.138.64 columbia.edu. 3600 IN A 162.159.128.65 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns1.lse.ac.uk is authoritative for columbia.edu
	Query to auth2.dns.cogentco.com for columbia.edu/SOA
	Received 265 bytes from 66.28.0.30
	;; Response received from [66.28.0.30] 265 octets ;; HEADER SECTION ;; id = 31894 ;; 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 = 1 ;; nscount = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN SOA ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN SOA ( ext-ns1.columbia.edu. hostmaster.columbia.edu. 91066 ;serial 3600 ;refresh 1800 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (4 records) columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. ;; ADDITIONAL SECTION (4 records) ext-ns1.columbia.edu. 3600 IN A 128.59.1.1 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8::35 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8:1::1:1 ;; { "EDNS-VERSION": 0 }
	Query to auth1.dns.cogentco.com for columbia.edu/SOA
	Received 265 bytes from 66.28.0.14
	;; Response received from [66.28.0.14] 265 octets ;; HEADER SECTION ;; id = 11947 ;; 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 = 1 ;; nscount = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN SOA ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN SOA ( ext-ns1.columbia.edu. hostmaster.columbia.edu. 91066 ;serial 3600 ;refresh 1800 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (4 records) columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. columbia.edu. 3600 IN NS ns1.lse.ac.uk. ;; ADDITIONAL SECTION (4 records) ext-ns1.columbia.edu. 3600 IN A 128.59.1.1 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8::35 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8:1::1:1 ;; { "EDNS-VERSION": 0 }
	Query to ext-ns1.columbia.edu for columbia.edu/SOA
	Received 96 bytes from 128.59.1.1
	;; Response received from [128.59.1.1] 96 octets ;; HEADER SECTION ;; id = 42680 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN SOA ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN SOA ( ext-ns1.columbia.edu. hostmaster.columbia.edu. 91066 ;serial 3600 ;refresh 1800 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns1.lse.ac.uk for columbia.edu/A
	Received 73 bytes from 158.143.96.8
	;; Response received from [158.143.96.8] 73 octets ;; HEADER SECTION ;; id = 54898 ;; 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": 4000, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (2 records) columbia.edu. 3600 IN A 162.159.128.65 columbia.edu. 3600 IN A 162.159.138.64 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	columbia.edu A RR has value 162.159.128.65
	columbia.edu A RR has value 162.159.138.64
	No RRSIGs found

columbia.edu

	Query to auth2.dns.cogentco.com for columbia.edu/A
	Received 250 bytes from 66.28.0.30
	;; Response received from [66.28.0.30] 250 octets ;; HEADER SECTION ;; id = 625 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (2 records) columbia.edu. 3600 IN A 162.159.128.65 columbia.edu. 3600 IN A 162.159.138.64 ;; AUTHORITY SECTION (4 records) columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. ;; ADDITIONAL SECTION (4 records) ext-ns1.columbia.edu. 3600 IN A 128.59.1.1 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8::35 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8:1::1:1 ;; { "EDNS-VERSION": 0 }
	auth2.dns.cogentco.com is authoritative for columbia.edu
	Query to auth2.dns.cogentco.com for columbia.edu/A
	Received 250 bytes from 66.28.0.30
	;; Response received from [66.28.0.30] 250 octets ;; HEADER SECTION ;; id = 58024 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (2 records) columbia.edu. 3600 IN A 162.159.138.64 columbia.edu. 3600 IN A 162.159.128.65 ;; AUTHORITY SECTION (4 records) columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. ;; ADDITIONAL SECTION (4 records) ext-ns1.columbia.edu. 3600 IN A 128.59.1.1 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8::35 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8:1::1:1 ;; { "EDNS-VERSION": 0 }
	columbia.edu A RR has value 162.159.138.64
	columbia.edu A RR has value 162.159.128.65
	No RRSIGs found

columbia.edu

	Query to auth1.dns.cogentco.com for columbia.edu/A
	Received 250 bytes from 66.28.0.14
	;; Response received from [66.28.0.14] 250 octets ;; HEADER SECTION ;; id = 25938 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (2 records) columbia.edu. 3600 IN A 162.159.128.65 columbia.edu. 3600 IN A 162.159.138.64 ;; AUTHORITY SECTION (4 records) columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. columbia.edu. 3600 IN NS ns1.lse.ac.uk. ;; ADDITIONAL SECTION (4 records) ext-ns1.columbia.edu. 3600 IN A 128.59.1.1 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8::35 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8:1::1:1 ;; { "EDNS-VERSION": 0 }
	auth1.dns.cogentco.com is authoritative for columbia.edu
	Query to auth1.dns.cogentco.com for columbia.edu/A
	Received 250 bytes from 66.28.0.14
	;; Response received from [66.28.0.14] 250 octets ;; HEADER SECTION ;; id = 28326 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (2 records) columbia.edu. 3600 IN A 162.159.138.64 columbia.edu. 3600 IN A 162.159.128.65 ;; AUTHORITY SECTION (4 records) columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. ;; ADDITIONAL SECTION (4 records) ext-ns1.columbia.edu. 3600 IN A 128.59.1.1 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8::35 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8:1::1:1 ;; { "EDNS-VERSION": 0 }
	columbia.edu A RR has value 162.159.138.64
	columbia.edu A RR has value 162.159.128.65
	No RRSIGs found

columbia.edu

	Query to ext-ns1.columbia.edu for columbia.edu/A
	Received 73 bytes from 128.59.1.1
	;; Response received from [128.59.1.1] 73 octets ;; HEADER SECTION ;; id = 118 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (2 records) columbia.edu. 3600 IN A 162.159.128.65 columbia.edu. 3600 IN A 162.159.138.64 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ext-ns1.columbia.edu is authoritative for columbia.edu
	Query to ext-ns1.columbia.edu for columbia.edu/A
	Received 73 bytes from 128.59.1.1
	;; Response received from [128.59.1.1] 73 octets ;; HEADER SECTION ;; id = 42925 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 0 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "0000", ;; "RCODE": 0, ;; "UDPSIZE": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (2 records) columbia.edu. 3600 IN A 162.159.138.64 columbia.edu. 3600 IN A 162.159.128.65 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	columbia.edu A RR has value 162.159.138.64
	columbia.edu A RR has value 162.159.128.65
	No RRSIGs found

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