CF1760482840362-tsm20251014171359

IPLIST.NET - 40.101.38.in-addr.arpa

Search for IP or hostnames:

40.101.38.in-addr.arpa checked at 2025-10-14T23:00:40.325Z 92ms 50/50/50 100% R:11

40.101.38.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

101.38.in-addr.arpa

NSauth1.dns.cogentco.com
NSauth2.dns.cogentco.com

Up

Starts with same word

Starts similarily

AI analysis

40.101.38.in-addr.arpa is the parent of 11.40.101.38.in-addr.arpa.

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

40.101.38.in-addr.arpa shares the same name server setup as other domains, for example 35.28.208.in-addr.arpa, 45.220.38.in-addr.arpa, 38.222.203.in-addr.arpa, 249.38.in-addr.arpa and 81.160.in-addr.arpa.

40.101.38.in-addr.arpa at least partially shares name servers with other domains, for instance 22.28.216.in-addr.arpa, ard-zdf-box.de, 27.115.209.in-addr.arpa, ifbpcs.be and 141.41.206.in-addr.arpa.

These name servers are commonly used with the name servers nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.vodafone-ip.de, ns2.vodafone-ip.de, ns1.fnsi.net, ns2.fnsi.net and ns3.fnsi.net.

Host names with two IP numbers:

auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14

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

XfofNoC CF johedugfp 2025-10-14