CF1763098007916-tsm20251109205412

IPLIST.NET - 43.21.216.in-addr.arpa

Search for IP or hostnames:

43.21.216.in-addr.arpa checked at 2025-11-14T05:26:47.899Z 120ms 42/42/42 100% R:11 allDone:true timedOut:false

43.21.216.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

21.216.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

43.21.216.in-addr.arpa is the parent of 206.43.21.216.in-addr.arpa.

43.21.216.in-addr.arpa is delegated to two name servers: ns1.firstcomm.com and ns2.firstcomm.com.

43.21.216.in-addr.arpa uses the same name server setup as other domains such as networkgci.net, 229.159.216.in-addr.arpa, 187.244.66.in-addr.arpa, 17.254.205.in-addr.arpa and 77.93.168.in-addr.arpa.

43.21.216.in-addr.arpa shares name servers with other domains at least partially, for example 214.7.69.in-addr.arpa, 203.7.69.in-addr.arpa, 216.7.69.in-addr.arpa, 208.7.69.in-addr.arpa and 218.7.69.in-addr.arpa.

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

Host names with one IP number:

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.
dbq