CF1762919866826-tsm20251109205412

WWW.RTSAK.COM - 81.206.67.in-addr.arpa

Search for IP or hostnames:

81.206.67.in-addr.arpa checked at 2025-11-12T03:57:46.808Z 178ms 42/42/42 100% R:16 allDone:true timedOut:false

81.206.67.in-addr.arpa

NSns1.firstcomm.com
A208.40.1.6🇺🇸 First Communications
PTRns1.firstcomm.com
NSns2.firstcomm.com
A168.92.1.6🇺🇸 GLOBALCOM-ASN
PTRns2.firstcomm.com

206.67.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

The parent of 154.81.206.67.in-addr.arpa, 43.81.206.67.in-addr.arpa, 203.81.206.67.in-addr.arpa, 204.81.206.67.in-addr.arpa, 128.81.206.67.in-addr.arpa and a few other host names is 81.206.67.in-addr.arpa.

81.206.67.in-addr.arpa has two name servers: ns1.firstcomm.com and ns2.firstcomm.com.

81.206.67.in-addr.arpa shares the same name server setup as other domains, for example larsonengr.com, 96.130.216.in-addr.arpa, 140.27.64.in-addr.arpa, 76.146.216.in-addr.arpa and 165.170.209.in-addr.arpa.

81.206.67.in-addr.arpa shares some name servers with other domains, for example 218.7.69.in-addr.arpa, 207.7.69.in-addr.arpa, 211.7.69.in-addr.arpa, 201.7.69.in-addr.arpa and 217.7.69.in-addr.arpa.

These name servers are commonly used together with ns3.cimcoisp.net and ns4.cimcoisp.net.

Host names with a single IP:

ns1.firstcomm.com points to 208.40.1.6

ns2.firstcomm.com points to 168.92.1.6

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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