THE RECORDS BEHIND THE NAME

DNS lookup.

Explore resource records, mail routing and reverse DNS.

Public IPs automatically use PTR. Common records queries A, AAAA, MX, NS, CNAME, TXT, SOA and CAA separately.

DNS

cogentco.com

13 answer records
Google Public DNS · HTTPS2026-09-20T07:21:58+00:00View JSON
ANOERRORAD noResponse from 66.28.0.30.
AAAANOERRORAD noResponse from 66.28.0.30.
MXNOERRORAD noResponse from 2001:550:1:a::d.
NSNOERRORAD noResponse from 66.28.0.14.
CNAMENOERROR · no answersAD noResponse from 66.28.0.14.
TXTNOERRORAD noResponse from 66.28.0.30.
SOANOERRORAD noResponse from 66.28.0.30.
CAANOERROR · no answersAD noResponse from 2001:550:1:a::d.

AD indicates that the resolver reports DNSSEC-validated data. “AD no” can also mean the zone is unsigned. NXDOMAIN is a DNS result, not a domain-availability check.

TypeNameTTL · secondsValueLook up
Acogentco.com1080038.100.128.10IP WHOIS →
AAAAcogentco.com6002001:550:1::cc01IP WHOIS →
MXcogentco.com6005 cogentco-com.mail.protection.outlook.com.DNS →
NScogentco.com21600auth2.dns.cogentco.com.DNS →
NScogentco.com21600auth1.dns.cogentco.com.DNS →
TXTcogentco.com21600cisco-ci-domain-verification=563e6ea9960b89d45e298278ab2c8f2ed5c7bea8277648dd997262491c1f4fd
TXTcogentco.com21600ZOOM_verify_6LoiHccIcBeiFmEkJmfiR4
TXTcogentco.com21600cofnduj090qcu5jbup8c39bovo
TXTcogentco.com216002btc923933rlmtmu3eie8bpc65
TXTcogentco.com21600ifs3oocjo6h5920nr11c1325f9
TXTcogentco.com21600v=spf1 mx a:engtools.sys.cogentco.com a:mx1.cogentco.com a:mx2.cogentco.com a:mx3.cogentco.com a:mx4.cogentco.com a:mx5.cogentco.com ip6:2001:550:1:304::247 include:cvent-planner.com include:_spf.act-on.net ~all
TXTcogentco.com21600adobe-idp-site-verification=f26b18445e54e1e7da0ebc2c299a9f1c63820cf9ab98c8be839829c2247503cc
SOAcogentco.com21600auth1.dns.cogentco.com. dns.cogentco.com. 2026081002 10800 3600 604800 43200
Authority records · 1
TypeNameTTL · secondsValueLook up
SOAcogentco.com1800auth1.dns.cogentco.com. dns.cogentco.com. 2026081002 10800 3600 604800 43200

Queries are sent to Google Public DNS over HTTPS. Results reflect its public DNS view and cache; they may differ from your local network. TXT strings retain their DNS quoting. Common records does not enumerate every name or record in a zone.