CF1760479762239-tsm20251014171359

IPLIST.NET - 127.101.38.in-addr.arpa

Search for IP or hostnames:

127.101.38.in-addr.arpa checked at 2025-10-14T22:09:22.224Z 84ms 50/50/50 100% R:13

127.101.38.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

127.101.38.in-addr.arpa is parent of 2.127.101.38.in-addr.arpa, 15.127.101.38.in-addr.arpa, 3.127.101.38.in-addr.arpa, 38.127.101.38.in-addr.arpa and 26.127.101.38.in-addr.arpa.

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

127.101.38.in-addr.arpa shares the same name server setup as 17.38.in-addr.arpa, 104.147.38.in-addr.arpa, 127.117.130.in-addr.arpa, mtc.gov and 15.38.in-addr.arpa.

127.101.38.in-addr.arpa at least partially shares name servers with other domains, for instance ups-scs.be, 19.29.216.in-addr.arpa, 2.153.in-addr.arpa, andover.edu and nachrichtenleicht.de.

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

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

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