CF1760068011208-tsm20251009080619

IPLIST.NET - 166.65.in-addr.arpa

Search for IP or hostnames:

166.65.in-addr.arpa checked at 2025-10-10T03:46:51.196Z 120ms 50/50/50 100% R:11

166.65.in-addr.arpa

NSauth1.dns.cogentco.com
A2001:550:1:a::d 🇺🇸 Cogent Communications, Inc.
PTRauth1.dns.cogentco.com
A66.28.0.14🇺🇸 Cogent Communications, Inc.
PTRauth1.dns.cogentco.com
NSauth2.dns.cogentco.com
A2001:550:1:b::d 🇺🇸 Cogent Communications, Inc.
PTRauth2.dns.cogentco.com
A66.28.0.30🇺🇸 Cogent Communications, Inc.
PTRauth2.dns.cogentco.com

65.in-addr.arpa

NSr.arin.net
NSu.arin.net
NSx.arin.net
NSy.arin.net
NSz.arin.net
NSarin.authdns.ripe.net

Up

Starts with same word

Starts similarily

AI analysis

166.65.in-addr.arpa is a parent of 244.166.65.in-addr.arpa, 243.166.65.in-addr.arpa, 246.166.65.in-addr.arpa and 241.166.65.in-addr.arpa.

166.65.in-addr.arpa is delegated to two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com.

166.65.in-addr.arpa shares the same name server setup as other domains, for instance 64.46.154.in-addr.arpa, opsba.org, 43.114.38.in-addr.arpa, ultitech.com and 3.69.38.in-addr.arpa.

166.65.in-addr.arpa at least partially shares name servers with other domains, for instance 152.37.195.in-addr.arpa, schneiderjobs.com, gsb.columbia.edu, wincraftsports.com and schneidertech.com.

These name servers are commonly used alongside cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, nsa.ups.com, nsb.ups.com, ns1.vodafone-ip.de and ns2.vodafone-ip.de.

Host names with two IP numbers:

The host name auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14; the host name auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

DkvNDUr CF johedugfp 2025-10-10