CF1760702075320-tsm20251017082432

DNSWHOIS.INFO - 40.103.38.in-addr.arpa

Search for IP or hostnames:

40.103.38.in-addr.arpa checked at 2025-10-17T11:54:35.288Z 666ms 47/47/47 100% R:11

40.103.38.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

103.38.in-addr.arpa

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

Starts with same word

Starts similarily

AI analysis

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

40.103.38.in-addr.arpa uses the same name server setup as other domains such as 49.0.208.in-addr.arpa, shop.rs, pbh.com, 131.51.154.in-addr.arpa and 115.71.217.in-addr.arpa.

40.103.38.in-addr.arpa shares name servers with other domains at least partially, for example upsconsulting.biz, 22.132.66.in-addr.arpa, lab.tmobileus.net, upstruckleasing.com and seapkg.com.

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

rfZZiQt CF johedugfp 2025-10-17