IPLIST.NET - 49.21.216.in-addr.arpa
Search for IP or hostnames:
49.21.216.in-addr.arpa checked at 2025-10-23T18:39:18.093Z 155ms 42/42/42 100% R:1349.21.216.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
168.49.21.216.in-addr.arpa |
Starts with same word
Starts similarily
AI analysis
49.21.216.in-addr.arpa is the parent of 168.49.21.216.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 other domains, for example 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 often used with ns3.cimcoisp.net and ns4.cimcoisp.net.
Host names with one IP number:
The host ns1.firstcomm.com points to 208.40.1.6 and the host ns2.firstcomm.com points to 168.92.1.6.