sys.cogentco.com DNS history

Filter record types

No record changes with these filters Try selecting a different DNS record type.

SOA +1 -1

+ sys.cogentco.com 43200 SOA auth1.dns.cogentco.com dns.cogentco.com 2026070107 10800 3600 604800 43200

- sys.cogentco.com 43200 SOA auth1.dns.cogentco.com dns.cogentco.com 2026063000 10800 3600 604800 43200

SOA +1 -1

+ sys.cogentco.com 43200 SOA auth1.dns.cogentco.com dns.cogentco.com 2026063000 10800 3600 604800 43200

- sys.cogentco.com 43200 SOA auth1.dns.cogentco.com dns.cogentco.com 2026061001 10800 3600 604800 43200

SOA +1 -1

+ sys.cogentco.com 43200 SOA auth1.dns.cogentco.com dns.cogentco.com 2026061001 10800 3600 604800 43200

- sys.cogentco.com 43200 SOA auth1.dns.cogentco.com dns.cogentco.com 2026060103 10800 3600 604800 43200

SOA +1 -1

+ sys.cogentco.com 43200 SOA auth1.dns.cogentco.com dns.cogentco.com 2026060103 10800 3600 604800 43200

- sys.cogentco.com 43200 SOA auth1.dns.cogentco.com dns.cogentco.com 2026042700 10800 3600 604800 43200

First observed

NS +2 -0

+ sys.cogentco.com 43200 NS auth1.dns.cogentco.com

+ sys.cogentco.com 43200 NS auth2.dns.cogentco.com

SOA +1 -0

+ sys.cogentco.com 43200 SOA auth1.dns.cogentco.com dns.cogentco.com 2026042700 10800 3600 604800 43200