IPLIST.NET - 33.21.216.in-addr.arpa
Search for IP or hostnames:
33.21.216.in-addr.arpa checked at 2025-10-17T05:10:50.819Z 376ms 42/42/42 100% R:1633.21.216.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
72.33.21.216.in-addr.arpa |
27.33.21.216.in-addr.arpa |
101.33.21.216.in-addr.arpa |
22.33.21.216.in-addr.arpa |
86.33.21.216.in-addr.arpa |
24.33.21.216.in-addr.arpa |
Starts with same word
Starts similarily
AI analysis
33.21.216.in-addr.arpa has children including 72.33.21.216.in-addr.arpa, 27.33.21.216.in-addr.arpa, 101.33.21.216.in-addr.arpa, 22.33.21.216.in-addr.arpa, 86.33.21.216.in-addr.arpa and a few other host names.
33.21.216.in-addr.arpa is delegated to two name servers: ns1.firstcomm.com and ns2.firstcomm.com.
33.21.216.in-addr.arpa uses the same name server setup as other domains, including 243.159.216.in-addr.arpa, 141.27.64.in-addr.arpa, 41.21.216.in-addr.arpa, 183.244.66.in-addr.arpa and 232.159.216.in-addr.arpa.
At least part of the name servers for 33.21.216.in-addr.arpa are shared with other domains, for instance 211.7.69.in-addr.arpa, 201.7.69.in-addr.arpa, 217.7.69.in-addr.arpa, 222.7.69.in-addr.arpa and 196.7.69.in-addr.arpa.
these name servers are commonly used with ns3.cimcoisp.net, ns4.cimcoisp.net, ns1.interacs.net, ns2.interacs.net and ns3.interacs.net.
Hostnames with a single IP
ns1.firstcomm.com resolves to: 208.40.1.6.
ns2.firstcomm.com resolves to: 168.92.1.6.