CF1762751200332-tsm20251109205412

DNSWHOIS.INFO - 217.21.47.in-addr.arpa

Search for IP or hostnames:

217.21.47.in-addr.arpa checked at 2025-11-10T05:06:40.315Z 400ms 36/36/36 100% R:13 allDone:true timedOut:false

217.21.47.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

21.47.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

217.21.47.in-addr.arpa is the parent of 18.217.21.47.in-addr.arpa.

217.21.47.in-addr.arpa is delegated to two name servers: authns1.cvnet.com and authns1.cv.net.

217.21.47.in-addr.arpa shares the same name server setup as other domains, for example sec.cv.net, 74.114.69.in-addr.arpa, 141.47.24.in-addr.arpa, 33.2.173.in-addr.arpa and 117.116.69.in-addr.arpa.

Host names with one IP number:

The host authns1.cvnet.com points to 167.206.13.20 and the host 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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