CF1763316463392-tsm20251116095642

IPLIST.NET - 121.66.77.in-addr.arpa

Search for IP or hostnames:

121.66.77.in-addr.arpa checked at 2025-11-16T18:07:43.347Z 279ms 47/47/47 100% R:18 allDone:true timedOut:false

121.66.77.in-addr.arpa

NSauthns1.ngdc.net
A2001:1448:0:a800::53 🇩🇰 Netgroup A/S
PTRauthns1.ngdc.net
A217.30.38.181🇩🇰 SENTIA
PTRdns1.sentia.dk
NSauthns2.ngdc.net
A2001:1448:0:a500::53 🇩🇰 Netgroup A/S
PTRauthns2.ngdc.net
A217.30.38.27🇩🇰 SENTIA
PTRdns2.sentia.dk

66.77.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

201.121.66.77.in-addr.arpa is a child of 121.66.77.in-addr.arpa.

121.66.77.in-addr.arpa's delegation uses two name servers: authns1.ngdc.net and authns2.ngdc.net.

121.66.77.in-addr.arpa uses the same name server setup as other domains, such as 41.66.77.in-addr.arpa, 153.190.195.in-addr.arpa, 232.116.217.in-addr.arpa, 239.116.217.in-addr.arpa and 175.186.89.in-addr.arpa.

121.66.77.in-addr.arpa at least partially shares name servers with other domains, including ediva.dk, 23.66.77.in-addr.arpa, 37.66.77.in-addr.arpa, 120.66.77.in-addr.arpa and 8.4.4.1.1.0.0.2.ip6.arpa.

Host names with two IPs:

authns1.ngdc.net points to 2001:1448:0:a800::53 and 217.30.38.181

authns2.ngdc.net points to 2001:1448:0:a500::53 and 217.30.38.27

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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