CF1763508372829-tsm20251116095642

WWW.RTSAK.COM - 81.77.66.in-addr.arpa

Search for IP or hostnames:

81.77.66.in-addr.arpa checked at 2025-11-18T23:26:12.657Z 1640ms 50/50/50 100% R:7 allDone:true timedOut:false

81.77.66.in-addr.arpa

NSauthns1.qwest.net
A2001:428::5 🇺🇸 Lumen AS209
PTRauthns1.qwest.net
A63.150.72.4🇺🇸 Lumen AS209
PTRauthns1.centurylink.net
PTRauthns1.qwest.net
PTRauthns1.lumen.tech
NSauthns2.qwest.net
A2001:428::6 🇺🇸 Lumen AS209
PTRauthns2.qwest.net
A208.44.130.120🇺🇸 Lumen AS209
PTRauthns2.centurylink.net
PTRauthns2.qwest.net
PTRauthns2.lumen.tech

77.66.in-addr.arpa

NSauthns1.qwest.net
NSauthns2.qwest.net

Up

Starts with same word

Starts similarily

AI analysis

81.77.66.in-addr.arpa is a parent of 18.81.77.66.in-addr.arpa, 9.81.77.66.in-addr.arpa, 28.81.77.66.in-addr.arpa, 42.81.77.66.in-addr.arpa and 6.81.77.66.in-addr.arpa.

81.77.66.in-addr.arpa is delegated to two name servers authns1.qwest.net and authns2.qwest.net.

81.77.66.in-addr.arpa shares the same name server setup as other domains, for instance 109.58.70.in-addr.arpa, 140.1.71.in-addr.arpa, 244.166.216.in-addr.arpa, 90.146.63.in-addr.arpa and centurylinkconference.com.

81.77.66.in-addr.arpa at least partially shares name servers with other domains, for instance allina.com, imation.ro, dchpkids.com, imation.gr and xtrememac.cn.

These name servers are commonly used alongside steel-dr.imation.com and udns1.ultradns.net.

Host names with two IP numbers:

The host name authns1.qwest.net points to 2001:428::5 and 63.150.72.4; the host name authns2.qwest.net points to 2001:428::6 and 208.44.130.120.

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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