CF1762649555033-tsm20251108202040

NSLIST.NET - 49.21.216.in-addr.arpa

Search for IP or hostnames:

49.21.216.in-addr.arpa checked at 2025-11-09T00:52:35.001Z 170ms 42/42/42 100% R:16

49.21.216.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

The parent of 168.49.21.216.in-addr.arpa is 49.21.216.in-addr.arpa.

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

49.21.216.in-addr.arpa shares the same name server setup as 254.159.216.in-addr.arpa, 71.206.67.in-addr.arpa, 169.244.66.in-addr.arpa, 161.135.207.in-addr.arpa and 64.146.216.in-addr.arpa.

49.21.216.in-addr.arpa at least partially shares name servers with other domains, for instance 220.7.69.in-addr.arpa, 195.7.69.in-addr.arpa, 221.7.69.in-addr.arpa, 210.7.69.in-addr.arpa and 200.7.69.in-addr.arpa.

These name servers are commonly used 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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