CF1763703589347-tsm20251116095642

IPLIST.NET - 53.140.38.in-addr.arpa

Search for IP or hostnames:

53.140.38.in-addr.arpa checked at 2025-11-21T05:39:49.335Z 151ms 50/50/50 100% R:10 allDone:true timedOut:false

53.140.38.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

The parent of 75.53.140.38.in-addr.arpa is 53.140.38.in-addr.arpa.

Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com handle the delegation for 53.140.38.in-addr.arpa.

53.140.38.in-addr.arpa shares the same name server setup as other domains, for example 62.181.38.in-addr.arpa, straightreach.com, 67.11.199.in-addr.arpa, 255.233.146.in-addr.arpa and 1.7.149.in-addr.arpa.

53.140.38.in-addr.arpa at least partially shares name servers with other domains, for example rbb-24.de, upsonline.co.kr, 72.108.192.in-addr.arpa, ups.nz and canadahealthinfoway.com.

these name servers are commonly used with cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, nsa.ups.com, nsb.ups.com, 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.
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