CF1763734891669-tsm20251116095642

MXLIST.NET - 21.63.in-addr.arpa

Search for IP or hostnames:

21.63.in-addr.arpa checked at 2025-11-21T14:21:31.647Z 135ms 39/39/39 100% R:13 allDone:true timedOut:false

21.63.in-addr.arpa

NSauth20.ns.wcom.com
A198.6.100.37🇺🇸 AS701
PTRauth20-wcom.uu.net
NSauth40.ns.uu.net
A198.6.1.18🇺🇸 AS701
PTRauth40.ns.uu.net

63.in-addr.arpa

NSr.arin.net
NSu.arin.net
NSx.arin.net
NSy.arin.net
NSz.arin.net
NSarin.authdns.ripe.net

Starts with same word

Starts similarily

AI analysis

21.63.in-addr.arpa's delegation uses two name servers: auth20.ns.wcom.com and auth40.ns.uu.net.

21.63.in-addr.arpa uses the same name server setup as other domains, such as 36.81.208.in-addr.arpa, 1.63.in-addr.arpa, 88.51.204.in-addr.arpa, 182.165.66.in-addr.arpa and 164.165.66.in-addr.arpa.

21.63.in-addr.arpa at least partially shares name servers with other domains, including dew-steel.com, kfz-technik-schroeder.de, 12.207.65.in-addr.arpa, 158.212.65.in-addr.arpa and 226.198.65.in-addr.arpa.

These name servers are commonly used with auth04.ns.de.uu.net, auth54.ns.de.uu.net, auth62.ns.uu.net, dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net, auth10.ns.wcom.com, auth02.ns.uu.net, auth0020.ns.eu.uu.net, auth0030.ns.eu.uu.net and ns3.level3.net.

Host names with a single IP address: auth20.ns.wcom.com points to 198.6.100.37; auth40.ns.uu.net points to 198.6.1.18.

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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