CF1763369805476-tsm20251116095642

WWW.RTSAK.COM - 221.21.68.in-addr.arpa

Search for IP or hostnames:

221.21.68.in-addr.arpa checked at 2025-11-17T08:56:45.354Z 1026ms 41/41/41 100% R:13 allDone:true timedOut:false

221.21.68.in-addr.arpa

NSns1.medcor.com
A12.2.254.151🇺🇸 AS7018
NSns2.medcor.com
A68.21.221.237🇺🇸 AT&T Data Communications Services
PTRns2.medcor.com
NSns3.medcor.com
NSns4.medcor.com
NSita-dns03.medcor.hq
NSmch-dns03.medcor.hq

21.68.in-addr.arpa

NSns1.ameritech.net
NSns2.ameritech.net

Up

Starts with same word

Starts similarily

AI analysis

221.21.68.in-addr.arpa is parent of 189.221.21.68.in-addr.arpa and 237.221.21.68.in-addr.arpa.

221.21.68.in-addr.arpa is delegated to six name servers: ns1.medcor.com, ns2.medcor.com, ns3.medcor.com, ns4.medcor.com, ita-dns03.medcor.hq and mch-dns03.medcor.hq.

Host names with a single IP:

ns1.medcor.com points to 12.2.254.151.

ns2.medcor.com points to 68.21.221.237.

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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