IPLIST.NET - 21.201.209.in-addr.arpa
Search for IP or hostnames:
21.201.209.in-addr.arpa checked at 2025-10-31T16:57:01.099Z 93ms 50/50/50 100% R:1021.201.209.in-addr.arpa
| NS | authns1.qwest.net | ||||||
| A | 2001:428::5 🇺🇸 Centurylink | ||||||
| PTR | authns1.qwest.net | ||||||
| A | 63.150.72.4🇺🇸 Centurylink | ||||||
| PTR | authns1.centurylink.net | ||||||
| PTR | authns1.qwest.net | ||||||
| PTR | authns1.lumen.tech | ||||||
| NS | authns2.qwest.net | ||||||
| A | 2001:428::6 🇺🇸 Centurylink | ||||||
| PTR | authns2.qwest.net | ||||||
| A | 208.44.130.120🇺🇸 Centurylink | ||||||
| PTR | authns2.centurylink.net | ||||||
| PTR | authns2.qwest.net | ||||||
| PTR | authns2.lumen.tech | ||||||
201.209.in-addr.arpa
Up
| 177.21.201.209.in-addr.arpa | 
| 148.21.201.209.in-addr.arpa | 
| 132.21.201.209.in-addr.arpa | 
| 166.21.201.209.in-addr.arpa | 
| 244.21.201.209.in-addr.arpa | 
| 129.21.201.209.in-addr.arpa | 
| 172.21.201.209.in-addr.arpa | 
| 120.21.201.209.in-addr.arpa | 
| 34.21.201.209.in-addr.arpa | 
| 12.21.201.209.in-addr.arpa | 
| 141.21.201.209.in-addr.arpa | 
| 38.21.201.209.in-addr.arpa | 
| 37.21.201.209.in-addr.arpa | 
| 128.21.201.209.in-addr.arpa | 
| 63.21.201.209.in-addr.arpa | 
| 163.21.201.209.in-addr.arpa | 
| 36.21.201.209.in-addr.arpa | 
| 178.21.201.209.in-addr.arpa | 
Starts with same word
Starts similarily
AI analysis
21.201.209.in-addr.arpa is the parent of 177.21.201.209.in-addr.arpa, 148.21.201.209.in-addr.arpa, 132.21.201.209.in-addr.arpa, 166.21.201.209.in-addr.arpa, 244.21.201.209.in-addr.arpa and a few other host names.
21.201.209.in-addr.arpa is delegated to two name servers authns1.qwest.net and authns2.qwest.net.
21.201.209.in-addr.arpa shares the same name server setup as other domains, for instance 180.157.63.in-addr.arpa, edr.ewr.qwest.net, monicals.com, 22.161.216.in-addr.arpa and 197.206.209.in-addr.arpa. 
21.201.209.in-addr.arpa at least partially shares name servers with other domains, for instance montgomery.nj.us, 138.208.66.in-addr.arpa, 112.27.208.in-addr.arpa, 46.6.208.in-addr.arpa and 212.4.208.in-addr.arpa.
These name servers are commonly used alongside ns4.embarqservices.net, ns7.embarqservices.net, ns8.embarqservices.net, ns1.sprintsvc.net, ns10.embarqservices.net and ns9.embarqservices.net.
Host names with two IP numbers:
The host name authns1.qwest.net points to 2001:428::5 and 63.150.72.4; the host name authns2.qwest.net points to 2001:428::6 and 208.44.130.120.