CF1759777367047-tsm20251005211530

IPLIST.NET - 100.235.209.in-addr.arpa

Search for IP or hostnames:

100.235.209.in-addr.arpa checked at 2025-10-06T19:02:46.996Z 187ms 47/47/47 100% R:8

100.235.209.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

235.209.in-addr.arpa

Starts with same word

Starts similarily

AI analysis

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

100.235.209.in-addr.arpa shares the same name server setup as other domains, for instance skg01.atlas.cogentco.com, phl03.atlas.cogentco.com, 198.137.204.in-addr.arpa, nte01.atlas.cogentco.com and 22.76.38.in-addr.arpa.

100.235.209.in-addr.arpa at least partially shares name servers with other domains, for instance campus-und-karriere.de, myfreighttracking.com, sipa.columbia.edu, ups-scs.fr and 39.160.in-addr.arpa.

Name servers commonly used together include nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ext-ns1.columbia.edu, auth4.dns.cogentco.com, auth5.dns.cogentco.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.
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PLQbBBc CF johedugfp 2025-10-06