CF1760682229308-tsm20251016114356

DNSWHOIS.INFO - 30.103.38.in-addr.arpa

Search for IP or hostnames:

30.103.38.in-addr.arpa checked at 2025-10-17T06:23:49.273Z 287ms 50/50/50 100% R:10

30.103.38.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

Up

Starts with same word

Starts similarily

AI analysis

30.103.38.in-addr.arpa is parent of 146.30.103.38.in-addr.arpa, 2.30.103.38.in-addr.arpa, 4.30.103.38.in-addr.arpa and 13.30.103.38.in-addr.arpa.

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

30.103.38.in-addr.arpa uses the same name server setup as other domains, including 223.104.38.in-addr.arpa, 41.154.in-addr.arpa, 186.140.38.in-addr.arpa, 41.192.38.in-addr.arpa and 130.97.38.in-addr.arpa.

At least part of the name servers for 30.103.38.in-addr.arpa are shared with other domains, for instance 254.29.216.in-addr.arpa, sip-ard.de, ups-europe.com, deutscheundpolen.de and sipard.net.

These name servers are commonly used alongside ns1.vodafone-ip.de, ns2.vodafone-ip.de, 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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MYZczYJ CF johedugfp 2025-10-17