CF1760110728472-tsm20251010100059

IPLIST.NET - 21.51.65.in-addr.arpa

Search for IP or hostnames:

21.51.65.in-addr.arpa checked at 2025-10-10T15:38:48.456Z 108ms 39/39/39 100% R:15

21.51.65.in-addr.arpa

NSauthns1.cvnet.com
A167.206.13.20🇺🇸 Cablevision Systems Corporation
PTRdns1.cvnet.com
NSauthns1.cv.net
A167.206.12.12🇺🇸 Cablevision Systems Corporation
PTRdns1.cv.net

51.65.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

21.51.65.in-addr.arpa is a parent of 84.21.51.65.in-addr.arpa, 0.21.51.65.in-addr.arpa, 122.21.51.65.in-addr.arpa and 146.21.51.65.in-addr.arpa.

Two name servers authns1.cvnet.com and authns1.cv.net handle delegation for 21.51.65.in-addr.arpa.

21.51.65.in-addr.arpa uses the same name server setup as other domains, for example 65.38.24.in-addr.arpa, 105.170.108.in-addr.arpa, 81.191.24.in-addr.arpa, 214.120.69.in-addr.arpa and 109.189.24.in-addr.arpa.

21.51.65.in-addr.arpa shares name servers with other domains at least in part, for instance 209.51.65.in-addr.arpa.

Host names with one IP number: The host name authns1.cvnet.com points to 167.206.13.20 and the host name authns1.cv.net points to 167.206.12.12.

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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