CF1763502259835-tsm20251116095642

IPLIST.NET - 17.66.77.in-addr.arpa

Search for IP or hostnames:

17.66.77.in-addr.arpa checked at 2025-11-18T21:44:19.723Z 907ms 44/44/44 100% R:11 allDone:true timedOut:false

17.66.77.in-addr.arpa

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

66.77.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

17.66.77.in-addr.arpa has children including 11.17.66.77.in-addr.arpa, 68.17.66.77.in-addr.arpa, 62.17.66.77.in-addr.arpa, 60.17.66.77.in-addr.arpa, 204.17.66.77.in-addr.arpa and a few other host names.

17.66.77.in-addr.arpa is delegated to two name servers: authns1.ngdc.net and authns2.ngdc.net.

17.66.77.in-addr.arpa uses the same name server setup as other domains, including 21.66.77.in-addr.arpa, 0.0.0.0.8.4.4.1.1.0.0.2.ip6.arpa, 34.66.77.in-addr.arpa, 234.116.217.in-addr.arpa and 125.66.77.in-addr.arpa.

Host names with two IP numbers:

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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