DNSWHOIS.INFO - 50.21.216.in-addr.arpa
Search for IP or hostnames:
50.21.216.in-addr.arpa checked at 2025-10-22T13:07:11.672Z 237ms 42/42/42 100% R:1050.21.216.in-addr.arpa
| NS | ns1.firstcomm.com | ||||||
| A | 208.40.1.6🇺🇸 First Communications | ||||||
| PTR | ns1.firstcomm.com | ||||||
| NS | ns2.firstcomm.com | ||||||
| A | 168.92.1.6🇺🇸 RoadRunner | ||||||
| PTR | ns2.firstcomm.com | ||||||
21.216.in-addr.arpa
Up
51.50.21.216.in-addr.arpa |
Starts with same word
Starts similarily
AI analysis
50.21.216.in-addr.arpa is the parent of 51.50.21.216.in-addr.arpa.
50.21.216.in-addr.arpa is delegated to two name servers: ns1.firstcomm.com and ns2.firstcomm.com.
50.21.216.in-addr.arpa uses the same name server setup as other domains such as 54.222.74.in-addr.arpa, 84.206.67.in-addr.arpa, 172.244.66.in-addr.arpa, 95.93.168.in-addr.arpa and 245.159.216.in-addr.arpa.
50.21.216.in-addr.arpa shares name servers with other domains at least partially, for example 196.7.69.in-addr.arpa, 223.7.69.in-addr.arpa, 219.7.69.in-addr.arpa, 213.7.69.in-addr.arpa and 100.93.168.in-addr.arpa.
These name servers are often used together with the name servers ns3.cimcoisp.net, ns4.cimcoisp.net, ns1.interacs.net, ns2.interacs.net and ns3.interacs.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.