DNSWHOIS.INFO - 21.103.168.in-addr.arpa
Search for IP or hostnames:
21.103.168.in-addr.arpa checked at 2025-10-29T09:07:05.114Z 97ms 50/50/50 100% R:1421.103.168.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 the parent of 171.21.103.168.in-addr.arpa.
21.103.168.in-addr.arpa's delegation uses two name servers, authns1.qwest.net and authns2.qwest.net.
21.103.168.in-addr.arpa shares the same name server setup as other domains, for example 78.153.65.in-addr.arpa, 217.207.216.in-addr.arpa, 195.115.65.in-addr.arpa, clma.qwest.net and 136.121.75.in-addr.arpa.
21.103.168.in-addr.arpa at least partially shares name servers with other domains, for example ironkey.pl, 104.107.206.in-addr.arpa and 98.89.64.in-addr.arpa.
These name servers are often used together with steel-dr.imation.com.
Host names with two IPs:
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