CF1761427922395-tsm20251024211356

DNSWHOIS.INFO - 81.56.154.in-addr.arpa

Search for IP or hostnames:

81.56.154.in-addr.arpa checked at 2025-10-25T21:32:02.382Z 291ms 50/50/50 100% R:14

81.56.154.in-addr.arpa

NSauth1.dns.cogentco.com
A2001:550:1:a::d 🇺🇸 COGENT
PTRauth1.dns.cogentco.com
A66.28.0.14🇺🇸 COGENT
PTRauth1.dns.cogentco.com
NSauth2.dns.cogentco.com
A2001:550:1:b::d 🇺🇸 COGENT
PTRauth2.dns.cogentco.com
A66.28.0.30🇺🇸 COGENT
PTRauth2.dns.cogentco.com

56.154.in-addr.arpa

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

Up

Starts with same word

Starts similarily

AI analysis

81.56.154.in-addr.arpa is the parent of 125.81.56.154.in-addr.arpa, 111.81.56.154.in-addr.arpa, 126.81.56.154.in-addr.arpa, 114.81.56.154.in-addr.arpa, 72.81.56.154.in-addr.arpa and a few other host names.

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

81.56.154.in-addr.arpa shares the same name server setup as other domains, for instance 97.108.38.in-addr.arpa, 100.199.in-addr.arpa, 17.154.in-addr.arpa, 77.108.38.in-addr.arpa and 121.176.38.in-addr.arpa.

81.56.154.in-addr.arpa at least partially shares name servers with other domains, for instance dradiowissen.de, kakadu.de, 83.193.38.in-addr.arpa, 114.231.67.in-addr.arpa and infonotice.org.

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:

The host name auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14; the host name 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

noKSrSb CF johedugfp 2025-10-25