cogentco.com DNS records

A IPv4 address
3h
38.100.128.10
Cogent Communications
AS174
Anycast IP
Served from multiple locations
AAAA IPv6 address
10m
2001:550:1::cc01
Cogent Communications
AS174
Anycast IP
Served from multiple locations
CNAME Canonical name
Apex domains cannot have CNAME records.
TXT Human readable text
12h
SPF
Sender policy
v=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 include:cvent-planner.com include:_spf.act-on.net ~all
Adobe identity provider
Domain verification
adobe-idp-site-verification=f26b18445e54e1e7da0ebc2c299a9f1c63820cf9ab98c8be839829c2247503cc
Cisco CI
Domain verification
cisco-ci-domain-verification=563e6ea9960b89d45e298278ab2c8f2ed5c7bea8277648dd997262491c1f4fd
Zoom
Domain verification
ZOOM_verify_6LoiHccIcBeiFmEkJmfiR4
2btc923933rlmtmu3eie8bpc65
cofnduj090qcu5jbup8c39bovo
ifs3oocjo6h5920nr11c1325f9
MX Mail server
10m
cogentco-com.mail.protection.outlook.com 5 Primary
Microsoft 365
NS Authoritative DNS server
12h
auth1.dns.cogentco.com
auth2.dns.cogentco.com
SOA Start of authority
12h
Zone apex
Start of authority
Email
[email protected]
Serial
2026020802
Refresh
3h
Retry
1h
Expire
7d
Negative cache TTL
12h

Other record types

A AAAA AFSDB APL AXFR CAA CDNSKEY CDS CERT CNAME CSYNC DHCID DLV DNAME DNSKEY DS EUI48 EUI64 HINFO HIP HTTPS IPSECKEY IXFR KEY KX LOC MX NAPTR NS NSEC3 NSEC3PARAM NSEC NXT OPENPGPKEY OPT PTR RP RRSIG SIG SMIMEA SOA SPF SSHFP SVCB SRV TA TKEY TLSA TSIG TXT URI ZONEMD