CF1762796320290-tsm20251109205412

WWW.RTSAK.COM - 133.51.154.in-addr.arpa

Search for IP or hostnames:

133.51.154.in-addr.arpa checked at 2025-11-10T17:38:40.265Z 181ms 50/50/50 100% R:13 allDone:true timedOut:false

133.51.154.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

51.154.in-addr.arpa

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

Up

Starts with same word

Starts similarily

AI analysis

The parent of 99.133.51.154.in-addr.arpa is 133.51.154.in-addr.arpa.

Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com handle delegation for 133.51.154.in-addr.arpa.

133.51.154.in-addr.arpa uses the same name server setup as other domains, for example ath01.atlas.cogentco.com, kiv01.atlas.cogentco.com, inoport.com, 14.238.206.in-addr.arpa and 48.154.in-addr.arpa.

133.51.154.in-addr.arpa partially shares name servers with other domains; examples include mailboxesetc.com, 225.41.209.in-addr.arpa, ups.sn, rbb.tel and 18.115.209.in-addr.arpa.

These name servers are commonly paired 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 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.
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