CF1760172221231-tsm20251011071822

WWW.RTSAK.COM - 42.101.38.in-addr.arpa

Search for IP or hostnames:

42.101.38.in-addr.arpa checked at 2025-10-11T08:43:41.215Z 231ms 50/50/50 100% R:8

42.101.38.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

42.101.38.in-addr.arpa is the parent of 66.42.101.38.in-addr.arpa.

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

42.101.38.in-addr.arpa shares the same name server setup as other domains, for example internetsupercarrier.org, comtradesoftware.com, 254.89.38.in-addr.arpa, 179.38.in-addr.arpa and 133.247.205.in-addr.arpa.

42.101.38.in-addr.arpa at least partially shares name servers with other domains, for instance upsjob.fr, 237.41.209.in-addr.arpa, deutschlandradio-hoerfunkrat.de, upsfeedback.com and ups-russia.com.

These name servers are often used together 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, pulsar2.hbci.com, pulsar3.hbci.com, pulsar.hbci.com and dns.luminet.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

IBWWVZl CF johedugfp 2025-10-11