CF1763737272840-tsm20251116095642

IPLIST.NET - 157.140.38.in-addr.arpa

Search for IP or hostnames:

157.140.38.in-addr.arpa checked at 2025-11-21T15:01:12.816Z 145ms 50/50/50 100% R:14 allDone:true timedOut:false

157.140.38.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

140.38.in-addr.arpa

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

Up

Starts with same word

Starts similarily

AI analysis

157.140.38.in-addr.arpa is the parent of 85.157.140.38.in-addr.arpa.

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

157.140.38.in-addr.arpa uses the same name server setup as other domains such as 109.177.38.in-addr.arpa, 246.106.38.in-addr.arpa, c.root-servers.org, campbellhall.net and 132.84.38.in-addr.arpa.

157.140.38.in-addr.arpa shares name servers with other domains at least partially, for example 67.31.207.in-addr.arpa, ap-rail.be, seattlepackaging.com, ard-infoportal.de and upsquantumview.biz.

these name servers are often used with the following: ns1.vodafone-ip.de, ns2.vodafone-ip.de, ns4.arcadiz.be, dns.infrabel.be, secdns.infrabel.be, ns3.arcadiz.net, nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.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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