CF1763333100082-tsm20251116095642

DNSWHOIS.INFO - 121.102.66.in-addr.arpa

Search for IP or hostnames:

121.102.66.in-addr.arpa checked at 2025-11-16T22:45:00.043Z 237ms 47/47/47 100% R:7 allDone:true timedOut:false

121.102.66.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

102.66.in-addr.arpa

Starts with same word

Starts similarily

AI analysis

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

121.102.66.in-addr.arpa shares the same name server setup as other domains, for instance 145.172.65.in-addr.arpa, 193.74.38.in-addr.arpa, 68.168.216.in-addr.arpa, 0.113.38.in-addr.arpa and 56.98.38.in-addr.arpa.

121.102.66.in-addr.arpa at least partially shares name servers with other domains, for instance 228.41.209.in-addr.arpa, cps-transport.be, deutschlandfunk24.de, blogspiel.de and ups.ag.

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

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.
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