IPLIST.NET - 21.103.168.in-addr.arpa
Search for IP or hostnames:
21.103.168.in-addr.arpa checked at 2025-11-16T17:28:19.429Z 1339ms 50/50/50 100% R:10 allDone:true timedOut:false 21.103.168.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 | ||||||
103.168.in-addr.arpa
| NS | authns1.qwest.net | ||||||
| NS | authns2.qwest.net | ||||||
Up
171.21.103.168.in-addr.arpa |
Starts with same word
Starts similarily
AI analysis
21.103.168.in-addr.arpa is a parent of 171.21.103.168.in-addr.arpa.
21.103.168.in-addr.arpa is delegated to two name servers: authns1.qwest.net and authns2.qwest.net.
21.103.168.in-addr.arpa uses the same name server setup as other domains, including 49.59.70.in-addr.arpa, 78.153.65.in-addr.arpa, 217.207.216.in-addr.arpa, 195.115.65.in-addr.arpa and clma.qwest.net.
21.103.168.in-addr.arpa partially shares name servers with other domains, for instance ironkey.pl, 104.107.206.in-addr.arpa, 98.89.64.in-addr.arpa and 38.215.204.in-addr.arpa.
These name servers are commonly used alongside the name servers steel-dr.imation.com.
Host names with two IP numbers:
authns1.qwest.net points to 2001:428::5 and 63.150.72.4.
authns2.qwest.net points to 2001:428::6 and 208.44.130.120.