. IN DS ( 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d )
;; Response received from 199.7.91.13 (1139 octets) ;; HEADER SECTION ;; id = 20736 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 4 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1450 ;; option: ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAbF1LAxEQPtClEQno48k6u7JjCOfVfwdENOxQUrX0JbpN5DnKGMAKIfdiWa5oDeKQ3OoQ58y CC8vjtaaGFDgpJxoLwqzhBYHPGFgins5HIERcCQPGAJKWu/ku4XLh+Fu7UyBubDCelxKTbnj26Ew bochltRqGIE8hbwSXEzRNo4g+NXkaRMq2FFbaBtEE82yTmZUgFRYAFUvfGTPWblyZGtkepVuHyNb 0w/u24dpsz+uyCZZR04cHfRrWOKvqD3lDOwC4+sqd6f7F841R0N2tqSh/WDUZzWdvPBaBOz0FWFL b9porIeZ3Jm08tAMHa+3SGRXfK4RAmxVCmIQQypGabE= ) ; Key ID = 60955 . 172800 IN DNSKEY ( 256 3 8 AwEAAcVnO2jZFx4756Rb/yAhJnsl72eemsObU43nclmXwqdJlp+kC5WQjGYkqLT5xkaUCPhkr4NK LLrIBZXeSGazc6gx/yrrMtUpXcQvax6kfDJPTu974OmeEbtjyyP7ZG5tUfSwNWt/4EuxDNmZTESG 8jU0ZLjYIB11pK0gSXQbMVPyIyGtFGHMPx6UxWn6zUzpECWRFbqEvkA6Y13zeJ1jG2Rki/zs7a/o 13FTl/kI9013Eh6l6Kc2zxbc14GS8fpM0/xQIrZZyeiXj/2C4RcsPeqWuNj9m0qSQrbrCZtLHb20 U8x1uue4iwSX9y7LpwZd6vjYd1d6dgBa1Xxgc/TC+m8= ) ; Key ID = 951 . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; Key ID = 20326 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20230412000000 20230322000000 20326 . XSxf/IWwVx/BM4ekFQBxNAPnhPs89l7Cr2M1OiNKNd4rC/kNmD/VOJ/06K69XTHE2SwlDAm+NiF9 CMXfRO1hB2KTpS70GiO9BXnHBlHcJF5ggV6rsaSRt924eGGEcsahkgoi/fgHCOtGIveKJPQ2xOKg RmNsix/jDSfdweyjH71AbE2lvcmPAJ3VhuFlx+mvzW8iak/unW4IySBYRVuFCdV3cVQKmXTqDpd2 ycCcmYM5xRb4YpCq5dsZBCaHVhuknii7dMV7I86TPCPFJoiiBLTqzMoc5ObhLZnkHDdTjiOgeIBJ Dw5X5w7M0wK36+5WDqm2JV6NqIc2XiiXDI1/7Q== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1450 ;; option:
. 172800 IN DNSKEY ( 256 3 8 AwEAAbF1LAxEQPtClEQno48k6u7JjCOfVfwdENOxQUrX0JbpN5DnKGMAKIfdiWa5oDeKQ3OoQ58y CC8vjtaaGFDgpJxoLwqzhBYHPGFgins5HIERcCQPGAJKWu/ku4XLh+Fu7UyBubDCelxKTbnj26Ew bochltRqGIE8hbwSXEzRNo4g+NXkaRMq2FFbaBtEE82yTmZUgFRYAFUvfGTPWblyZGtkepVuHyNb 0w/u24dpsz+uyCZZR04cHfRrWOKvqD3lDOwC4+sqd6f7F841R0N2tqSh/WDUZzWdvPBaBOz0FWFL b9porIeZ3Jm08tAMHa+3SGRXfK4RAmxVCmIQQypGabE= ) ; Key ID = 60955
. 172800 IN DNSKEY ( 256 3 8 AwEAAcVnO2jZFx4756Rb/yAhJnsl72eemsObU43nclmXwqdJlp+kC5WQjGYkqLT5xkaUCPhkr4NK LLrIBZXeSGazc6gx/yrrMtUpXcQvax6kfDJPTu974OmeEbtjyyP7ZG5tUfSwNWt/4EuxDNmZTESG 8jU0ZLjYIB11pK0gSXQbMVPyIyGtFGHMPx6UxWn6zUzpECWRFbqEvkA6Y13zeJ1jG2Rki/zs7a/o 13FTl/kI9013Eh6l6Kc2zxbc14GS8fpM0/xQIrZZyeiXj/2C4RcsPeqWuNj9m0qSQrbrCZtLHb20 U8x1uue4iwSX9y7LpwZd6vjYd1d6dgBa1Xxgc/TC+m8= ) ; Key ID = 951
. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; Key ID = 20326
. 172800 IN RRSIG ( DNSKEY 8 0 172800 20230412000000 20230322000000 20326 . XSxf/IWwVx/BM4ekFQBxNAPnhPs89l7Cr2M1OiNKNd4rC/kNmD/VOJ/06K69XTHE2SwlDAm+NiF9 CMXfRO1hB2KTpS70GiO9BXnHBlHcJF5ggV6rsaSRt924eGGEcsahkgoi/fgHCOtGIveKJPQ2xOKg RmNsix/jDSfdweyjH71AbE2lvcmPAJ3VhuFlx+mvzW8iak/unW4IySBYRVuFCdV3cVQKmXTqDpd2 ycCcmYM5xRb4YpCq5dsZBCaHVhuknii7dMV7I86TPCPFJoiiBLTqzMoc5ObhLZnkHDdTjiOgeIBJ Dw5X5w7M0wK36+5WDqm2JV6NqIc2XiiXDI1/7Q== )
;; Response received from 192.112.36.4 (1171 octets) ;; HEADER SECTION ;; id = 57844 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 15 arcount = 27 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 28065 8 2 4172496cde85534e51129040355bd04b1fcfebae996dfdde652006f6f8b2ce76 ) edu. 86400 IN RRSIG ( DS 8 1 86400 20230405170000 20230323160000 951 . iNH7xOGuEcyBH9BMatdWxnGKfh7imIGDY/SpR7N+EbA9SbQFxV2ZzsZoBkmLPnMnl+KVoqzUeELi T+Ofqwk/CKBSxqz4g18+XrjtS6hG/rcd3NwoLPJ60frSv5+1grW8Hu/mxqfCcZUnWoecpOPgstQd uePtGisuwm3laBJMs3cBh1ifQNyvU0ieKPtdOzD/8WL7mluNbehXpXh+3l8hv/aJrZn7BqrD9YYA 4Z/jPueFSR4jNoDSCPoP55PD9WLY0Y4odzekjrX2W7mhJ0JOOhTv3rKo7arKp0oqXm6sPQSucwsZ zC7JaveCTVM6XNiGMHftmolTdRYiLfZLrxFyPw== ) ;; 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 192.5.5.241 (1162 octets) ;; HEADER SECTION ;; id = 37399 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 15 arcount = 27 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1472 ;; option: ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 28065 8 2 4172496cde85534e51129040355bd04b1fcfebae996dfdde652006f6f8b2ce76 ) edu. 86400 IN RRSIG ( DS 8 1 86400 20230405170000 20230323160000 951 . iNH7xOGuEcyBH9BMatdWxnGKfh7imIGDY/SpR7N+EbA9SbQFxV2ZzsZoBkmLPnMnl+KVoqzUeELi T+Ofqwk/CKBSxqz4g18+XrjtS6hG/rcd3NwoLPJ60frSv5+1grW8Hu/mxqfCcZUnWoecpOPgstQd uePtGisuwm3laBJMs3cBh1ifQNyvU0ieKPtdOzD/8WL7mluNbehXpXh+3l8hv/aJrZn7BqrD9YYA 4Z/jPueFSR4jNoDSCPoP55PD9WLY0Y4odzekjrX2W7mhJ0JOOhTv3rKo7arKp0oqXm6sPQSucwsZ zC7JaveCTVM6XNiGMHftmolTdRYiLfZLrxFyPw== ) ;; ADDITIONAL SECTION (27 records) e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::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 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::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 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1472 ;; option:
;; Response received from 192.5.5.241 (367 octets) ;; HEADER SECTION ;; id = 51163 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1472 ;; option: ;; QUESTION SECTION (1 record) ;; edu. IN DS ;; ANSWER SECTION (2 records) edu. 86400 IN DS ( 28065 8 2 4172496cde85534e51129040355bd04b1fcfebae996dfdde652006f6f8b2ce76 ) edu. 86400 IN RRSIG ( DS 8 1 86400 20230405170000 20230323160000 951 . iNH7xOGuEcyBH9BMatdWxnGKfh7imIGDY/SpR7N+EbA9SbQFxV2ZzsZoBkmLPnMnl+KVoqzUeELi T+Ofqwk/CKBSxqz4g18+XrjtS6hG/rcd3NwoLPJ60frSv5+1grW8Hu/mxqfCcZUnWoecpOPgstQd uePtGisuwm3laBJMs3cBh1ifQNyvU0ieKPtdOzD/8WL7mluNbehXpXh+3l8hv/aJrZn7BqrD9YYA 4Z/jPueFSR4jNoDSCPoP55PD9WLY0Y4odzekjrX2W7mhJ0JOOhTv3rKo7arKp0oqXm6sPQSucwsZ zC7JaveCTVM6XNiGMHftmolTdRYiLfZLrxFyPw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1472 ;; option:
edu. 86400 IN RRSIG ( DS 8 1 86400 20230405170000 20230323160000 951 . iNH7xOGuEcyBH9BMatdWxnGKfh7imIGDY/SpR7N+EbA9SbQFxV2ZzsZoBkmLPnMnl+KVoqzUeELi T+Ofqwk/CKBSxqz4g18+XrjtS6hG/rcd3NwoLPJ60frSv5+1grW8Hu/mxqfCcZUnWoecpOPgstQd uePtGisuwm3laBJMs3cBh1ifQNyvU0ieKPtdOzD/8WL7mluNbehXpXh+3l8hv/aJrZn7BqrD9YYA 4Z/jPueFSR4jNoDSCPoP55PD9WLY0Y4odzekjrX2W7mhJ0JOOhTv3rKo7arKp0oqXm6sPQSucwsZ zC7JaveCTVM6XNiGMHftmolTdRYiLfZLrxFyPw== )
edu. 86400 IN DS ( 28065 8 2 4172496cde85534e51129040355bd04b1fcfebae996dfdde652006f6f8b2ce76 )
;; Response received from 192.48.79.30 (775 octets) ;; HEADER SECTION ;; id = 49458 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 3 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (3 records) edu. 86400 IN DNSKEY ( 257 3 8 AQOluvuVWACqSUX6EZr3d5YIIv13SDXBpDeGRCIET3T0l1wp0NprtJhfc1YVehIlNqucijLnEhSL N2i0Txnh3bU5aQJLRf/qm21etL35ozAIlnfSgY5D0nxLPoBIRq++8Mxvr+2YCSRaCNyrqaU4TnHa PiHLuKe7sGyHQ8K8rXst7HxF5zgG+gIeytYIxpy4/bAaKCNVvGaYHxuNSBJBiYSrxjiZk268EP6E 3T+bSdi2HepB3ZuBWyOewsmHO8aoHmzIH049vBNI7iFZByRKY9yAJ8TshANtiUHHwAF7JJtWLW9o O10BqygYG+zS4weKGtkcNpzOUDWs41FWM8aFs4L1 ) ; Key ID = 28065 edu. 86400 IN DNSKEY ( 256 3 8 AQOg/vZq47addii610nWMN/Ru6cngPoC2iVGe8qCHMiHumpRfqeHEmgck4mymjeFJcPlQDjmpjMW 3vuOWKWnwPTkPY30OKO0GT+vZIxpxyDIEKIjg/dxfcdf1rX462B4qtheGdktELQMRYta6+bE+lpk 7y50dSEysZarK1VDmLF261wzujMdO0ar+qoHfLL3pAK5MRy4uBQIWypGLEwDbRQ9 ) ; Key ID = 34085 edu. 86400 IN RRSIG ( DNSKEY 8 1 86400 20230404185303 20230320184803 28065 edu. OEZAwlFQiT9j6osSDg9XMNY3nA7jMGHZaXYzzd9WSlAXxSvsTfqGJdsnO2XoKvIxlmQMYxVt02/7 Q/kxLafkAcrrStRB/uTqwgfkE407QxZbd6hZU9BzTZRDiwJRAJPCoxnegcinvFAHDubVZ14MZEjY OOxuXoEJ0XFtvD6Z6QNdvgiOramCJ7umPHRryE6tHdAAOSyd/IxmFjDRMMEV3RGHWcFsQTn+ZHLP rUcE5uIAbaIGR51LtCCVfYLvK/THhTAnLVvk/b//3LdEOADChcf8d+4eg0BVBFO9jOCdY5Z3qH05 0LlYXBe0KelGklyYr2X3QBzQhmar9D7tXcfMwQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
edu. 86400 IN DNSKEY ( 257 3 8 AQOluvuVWACqSUX6EZr3d5YIIv13SDXBpDeGRCIET3T0l1wp0NprtJhfc1YVehIlNqucijLnEhSL N2i0Txnh3bU5aQJLRf/qm21etL35ozAIlnfSgY5D0nxLPoBIRq++8Mxvr+2YCSRaCNyrqaU4TnHa PiHLuKe7sGyHQ8K8rXst7HxF5zgG+gIeytYIxpy4/bAaKCNVvGaYHxuNSBJBiYSrxjiZk268EP6E 3T+bSdi2HepB3ZuBWyOewsmHO8aoHmzIH049vBNI7iFZByRKY9yAJ8TshANtiUHHwAF7JJtWLW9o O10BqygYG+zS4weKGtkcNpzOUDWs41FWM8aFs4L1 ) ; Key ID = 28065
edu. 86400 IN DNSKEY ( 256 3 8 AQOg/vZq47addii610nWMN/Ru6cngPoC2iVGe8qCHMiHumpRfqeHEmgck4mymjeFJcPlQDjmpjMW 3vuOWKWnwPTkPY30OKO0GT+vZIxpxyDIEKIjg/dxfcdf1rX462B4qtheGdktELQMRYta6+bE+lpk 7y50dSEysZarK1VDmLF261wzujMdO0ar+qoHfLL3pAK5MRy4uBQIWypGLEwDbRQ9 ) ; Key ID = 34085
edu. 86400 IN RRSIG ( DNSKEY 8 1 86400 20230404185303 20230320184803 28065 edu. OEZAwlFQiT9j6osSDg9XMNY3nA7jMGHZaXYzzd9WSlAXxSvsTfqGJdsnO2XoKvIxlmQMYxVt02/7 Q/kxLafkAcrrStRB/uTqwgfkE407QxZbd6hZU9BzTZRDiwJRAJPCoxnegcinvFAHDubVZ14MZEjY OOxuXoEJ0XFtvD6Z6QNdvgiOramCJ7umPHRryE6tHdAAOSyd/IxmFjDRMMEV3RGHWcFsQTn+ZHLP rUcE5uIAbaIGR51LtCCVfYLvK/THhTAnLVvk/b//3LdEOADChcf8d+4eg0BVBFO9jOCdY5Z3qH05 0LlYXBe0KelGklyYr2X3QBzQhmar9D7tXcfMwQ== )
;; Response received from 192.41.162.30 (796 octets) ;; HEADER SECTION ;; id = 12623 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 11 arcount = 3 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (11 records) columbia.edu. 172800 IN NS dns2.itd.umich.edu. columbia.edu. 172800 IN NS auth1.dns.cogentco.com. columbia.edu. 172800 IN NS auth2.dns.cogentco.com. columbia.edu. 172800 IN NS auth4.dns.cogentco.com. columbia.edu. 172800 IN NS auth5.dns.cogentco.com. columbia.edu. 172800 IN NS ns1.lse.ac.uk. columbia.edu. 172800 IN NS ext-ns1.columbia.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 86400 IN NSEC3 ( 1 1 0 - 9dql407ijb4jhadmf7cjmufnqmr4df7m NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 86400 IN RRSIG ( NSEC3 8 2 86400 20230329062209 20230322051209 34085 edu. ezSSu1G8V/H4eqQGDLkZCEgD2BEBXmiOxCTIai0v4ipngNAMOJQrvDyfIz8aqmu+8r4RjLmEobk9 TJkFGuuhTVDwTTNeXgtJlRmwypUQ86Xwf1T2CSUmtXh19DBNNSpGxl/fsCtBSO/6rvi8yckU84n6 608/gsGUiFWT/zzVYuarRu9QI6VR+Nhgt5EhF1eslSN4m+cnuxlCV0RvPzYD6g== ) 7U9I8VPKTD9O52GUE9F7VMSHF2O27STK.edu. 86400 IN NSEC3 ( 1 1 0 - 84r3vll0i0qrhsi5n9sj2knksff0jnmp NS DS RRSIG ) 7U9I8VPKTD9O52GUE9F7VMSHF2O27STK.edu. 86400 IN RRSIG ( NSEC3 8 2 86400 20230327062307 20230320051307 34085 edu. WuQq4PIb0qHuYzgZmSVWQiuXny1WjyrZ4eycThX7lWu77LwDo85KqjcXwhTmbcPyOPgZWsQP0oV2 Vs7LFjhEmmOkZMs21wALGnvZuUzmJNWT3Jp5APzC5BPiVVWWzqpRfcl94cUV5A/D1Wl7CaHmsYkM +L3zPEaYEwiK8CRkPuj1+5gZeRtxUpL0gOH5sfcw2Ya8O2ibK5w77fTTgCdbeA== ) ;; ADDITIONAL SECTION (3 records) dns2.itd.umich.edu. 172800 IN A 192.12.80.222 ext-ns1.columbia.edu. 172800 IN A 128.59.1.1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
;; Response received from 192.41.162.30 (796 octets) ;; HEADER SECTION ;; id = 51662 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 11 arcount = 3 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (11 records) columbia.edu. 172800 IN NS dns2.itd.umich.edu. columbia.edu. 172800 IN NS auth1.dns.cogentco.com. columbia.edu. 172800 IN NS auth2.dns.cogentco.com. columbia.edu. 172800 IN NS auth4.dns.cogentco.com. columbia.edu. 172800 IN NS auth5.dns.cogentco.com. columbia.edu. 172800 IN NS ns1.lse.ac.uk. columbia.edu. 172800 IN NS ext-ns1.columbia.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 86400 IN NSEC3 ( 1 1 0 - 9dql407ijb4jhadmf7cjmufnqmr4df7m NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 86400 IN RRSIG ( NSEC3 8 2 86400 20230329062209 20230322051209 34085 edu. ezSSu1G8V/H4eqQGDLkZCEgD2BEBXmiOxCTIai0v4ipngNAMOJQrvDyfIz8aqmu+8r4RjLmEobk9 TJkFGuuhTVDwTTNeXgtJlRmwypUQ86Xwf1T2CSUmtXh19DBNNSpGxl/fsCtBSO/6rvi8yckU84n6 608/gsGUiFWT/zzVYuarRu9QI6VR+Nhgt5EhF1eslSN4m+cnuxlCV0RvPzYD6g== ) 7U9I8VPKTD9O52GUE9F7VMSHF2O27STK.edu. 86400 IN NSEC3 ( 1 1 0 - 84r3vll0i0qrhsi5n9sj2knksff0jnmp NS DS RRSIG ) 7U9I8VPKTD9O52GUE9F7VMSHF2O27STK.edu. 86400 IN RRSIG ( NSEC3 8 2 86400 20230327062307 20230320051307 34085 edu. WuQq4PIb0qHuYzgZmSVWQiuXny1WjyrZ4eycThX7lWu77LwDo85KqjcXwhTmbcPyOPgZWsQP0oV2 Vs7LFjhEmmOkZMs21wALGnvZuUzmJNWT3Jp5APzC5BPiVVWWzqpRfcl94cUV5A/D1Wl7CaHmsYkM +L3zPEaYEwiK8CRkPuj1+5gZeRtxUpL0gOH5sfcw2Ya8O2ibK5w77fTTgCdbeA== ) ;; ADDITIONAL SECTION (3 records) dns2.itd.umich.edu. 172800 IN A 192.12.80.222 ext-ns1.columbia.edu. 172800 IN A 128.59.1.1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
;; Response received from 192.31.80.30 (860 octets) ;; HEADER SECTION ;; id = 32968 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 6 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN DS ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 86400 IN NSEC3 ( 1 1 0 - 9dql407ijb4jhadmf7cjmufnqmr4df7m NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 86400 IN RRSIG ( NSEC3 8 2 86400 20230329062209 20230322051209 34085 edu. ezSSu1G8V/H4eqQGDLkZCEgD2BEBXmiOxCTIai0v4ipngNAMOJQrvDyfIz8aqmu+8r4RjLmEobk9 TJkFGuuhTVDwTTNeXgtJlRmwypUQ86Xwf1T2CSUmtXh19DBNNSpGxl/fsCtBSO/6rvi8yckU84n6 608/gsGUiFWT/zzVYuarRu9QI6VR+Nhgt5EhF1eslSN4m+cnuxlCV0RvPzYD6g== ) edu. 900 IN SOA ( a.edu-servers.net. nstld.verisign-grs.com. 1679601148 ;serial 1800 ;refresh 900 ;retry 604800 ;expire 86400 ;minimum ) edu. 900 IN RRSIG ( SOA 8 1 900 20230330195228 20230323184228 34085 edu. atdaRwOjUGqXnmf3upGtSHU0FJeu8IcI26PyjTvZEWpNk4LfiJ1swX+3r7cR/FKyTPK+IkwK53rm TzIBFJQ/7qsuCq1q61qPhdP6Qqn8PUuW9xvD7Mu1sqIjtfYj86SFMe0794yrPMLZ7KvK3GjP8C8V imuqUV01DsVIo5QnWraaG0QPNvm65QfLdy0JP7XR+zPHOHBGJzvm1tK8PEEkdQ== ) 7U9I8VPKTD9O52GUE9F7VMSHF2O27STK.edu. 86400 IN NSEC3 ( 1 1 0 - 84r3vll0i0qrhsi5n9sj2knksff0jnmp NS DS RRSIG ) 7U9I8VPKTD9O52GUE9F7VMSHF2O27STK.edu. 86400 IN RRSIG ( NSEC3 8 2 86400 20230327062307 20230320051307 34085 edu. WuQq4PIb0qHuYzgZmSVWQiuXny1WjyrZ4eycThX7lWu77LwDo85KqjcXwhTmbcPyOPgZWsQP0oV2 Vs7LFjhEmmOkZMs21wALGnvZuUzmJNWT3Jp5APzC5BPiVVWWzqpRfcl94cUV5A/D1Wl7CaHmsYkM +L3zPEaYEwiK8CRkPuj1+5gZeRtxUpL0gOH5sfcw2Ya8O2ibK5w77fTTgCdbeA== ) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
;; Response received from 192.12.80.222 (96 octets) ;; HEADER SECTION ;; id = 63562 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 1 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; 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. 76586 ;serial 3600 ;refresh 1800 ;retry 2419200 ;expire 300 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 66.28.0.14 (306 octets) ;; HEADER SECTION ;; id = 63482 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS auth5.dns.cogentco.com. columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS auth4.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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 80.91.64.50 (337 octets) ;; HEADER SECTION ;; id = 15552 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN SOA ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN SOA ( ext-ns1.columbia.edu. hostmaster.columbia.edu. 76586 ;serial 3600 ;refresh 1800 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS auth5.dns.cogentco.com. columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS auth4.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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 192.12.80.222 (350 octets) ;; HEADER SECTION ;; id = 4243 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 5 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN SOA ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN SOA ( ext-ns1.columbia.edu. hostmaster.columbia.edu. 76586 ;serial 3600 ;refresh 1800 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS auth4.dns.cogentco.com. columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth5.dns.cogentco.com. 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. ;; ADDITIONAL SECTION (5 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 158.143.96.8 (168 octets) ;; HEADER SECTION ;; id = 61808 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 0 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4000 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN SOA ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN SOA ( ext-ns1.columbia.edu. hostmaster.columbia.edu. 76586 ;serial 3600 ;refresh 1800 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (4 records) ext-ns1.columbia.edu. 3600 IN A 128.59.1.1 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8:1::1:1 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8::35 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4000 ;; option:
;; Response received from 128.59.1.1 (96 octets) ;; HEADER SECTION ;; id = 40877 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 0 arcount = 1 ;; do = 0 ;; EDNS version 0 ;; flags: 0000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN SOA ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN SOA ( ext-ns1.columbia.edu. hostmaster.columbia.edu. 76586 ;serial 3600 ;refresh 1800 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 0000 ;; rcode: NOERROR ;; size: 1220 ;; option:
;; Response received from 80.245.32.74 (337 octets) ;; HEADER SECTION ;; id = 9847 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN SOA ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN SOA ( ext-ns1.columbia.edu. hostmaster.columbia.edu. 76586 ;serial 3600 ;refresh 1800 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth5.dns.cogentco.com. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS auth4.dns.cogentco.com. columbia.edu. 3600 IN NS ns1.lse.ac.uk. 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 66.28.0.30 (337 octets) ;; HEADER SECTION ;; id = 54077 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN SOA ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN SOA ( ext-ns1.columbia.edu. hostmaster.columbia.edu. 76586 ;serial 3600 ;refresh 1800 ;retry 2419200 ;expire 300 ;minimum ) ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS auth5.dns.cogentco.com. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS auth4.dns.cogentco.com. columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 66.28.0.14 (306 octets) ;; HEADER SECTION ;; id = 11718 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS auth4.dns.cogentco.com. columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. columbia.edu. 3600 IN NS auth5.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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 80.91.64.50 (306 octets) ;; HEADER SECTION ;; id = 30907 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth4.dns.cogentco.com. columbia.edu. 3600 IN NS auth5.dns.cogentco.com. columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. columbia.edu. 3600 IN NS auth1.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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 80.91.64.50 (306 octets) ;; HEADER SECTION ;; id = 4728 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS auth4.dns.cogentco.com. columbia.edu. 3600 IN NS auth5.dns.cogentco.com. columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS dns2.itd.umich.edu. 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 192.12.80.222 (319 octets) ;; HEADER SECTION ;; id = 19969 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 5 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS auth5.dns.cogentco.com. columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS auth4.dns.cogentco.com. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. ;; ADDITIONAL SECTION (5 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 ext-ns1.columbia.edu. 3600 IN A 128.59.1.1 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8:1::1:1 ext-ns1.columbia.edu. 3600 IN AAAA 2001:18d8::35 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 192.12.80.222 (319 octets) ;; HEADER SECTION ;; id = 55402 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 5 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS auth4.dns.cogentco.com. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS auth5.dns.cogentco.com. ;; ADDITIONAL SECTION (5 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 128.59.1.1 (57 octets) ;; HEADER SECTION ;; id = 58992 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 0 arcount = 1 ;; do = 0 ;; EDNS version 0 ;; flags: 0000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 0000 ;; rcode: NOERROR ;; size: 1220 ;; option:
;; Response received from 128.59.1.1 (57 octets) ;; HEADER SECTION ;; id = 14230 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 0 arcount = 1 ;; do = 0 ;; EDNS version 0 ;; flags: 0000 ;; rcode: NOERROR ;; size: 1220 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 0000 ;; rcode: NOERROR ;; size: 1220 ;; option:
;; Response received from 80.245.32.74 (306 octets) ;; HEADER SECTION ;; id = 18629 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS auth5.dns.cogentco.com. columbia.edu. 3600 IN NS auth4.dns.cogentco.com. 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 80.245.32.74 (306 octets) ;; HEADER SECTION ;; id = 44560 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS auth5.dns.cogentco.com. columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS auth4.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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 158.143.96.8 (57 octets) ;; HEADER SECTION ;; id = 21299 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4000 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4000 ;; option:
;; Response received from 158.143.96.8 (57 octets) ;; HEADER SECTION ;; id = 62325 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4000 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4000 ;; option:
;; Response received from 66.28.0.30 (306 octets) ;; HEADER SECTION ;; id = 63872 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. columbia.edu. 3600 IN NS auth4.dns.cogentco.com. columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS auth5.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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
;; Response received from 66.28.0.30 (306 octets) ;; HEADER SECTION ;; id = 35589 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 7 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; columbia.edu. IN A ;; ANSWER SECTION (1 record) columbia.edu. 3600 IN A 128.59.105.24 ;; AUTHORITY SECTION (7 records) columbia.edu. 3600 IN NS auth4.dns.cogentco.com. columbia.edu. 3600 IN NS ext-ns1.columbia.edu. columbia.edu. 3600 IN NS auth2.dns.cogentco.com. columbia.edu. 3600 IN NS ns1.lse.ac.uk. columbia.edu. 3600 IN NS dns2.itd.umich.edu. columbia.edu. 3600 IN NS auth1.dns.cogentco.com. columbia.edu. 3600 IN NS auth5.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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
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↓ Advanced options ↑ Advanced options
Paste a DS or DNSKEY record into the field above to use a Trust Anchor that is not published in the DNS. Validation will begin at the owner name of the DS/DNSKEY record.
You may also supply alternative starting name servers, separated by whitespace or commas. The given name servers must be authoritative for the same zone as the Trust Anchor.