IPLIST.NET - 51.77.66.in-addr.arpa
Search for IP or hostnames:
51.77.66.in-addr.arpa checked at 2025-10-31T10:44:38.229Z 1567ms 50/50/50 100% R:751.77.66.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 | ||||||
77.66.in-addr.arpa
| NS | authns1.qwest.net | ||||||
| NS | authns2.qwest.net | ||||||
Up
| 204.51.77.66.in-addr.arpa | 
| 233.51.77.66.in-addr.arpa | 
| 230.51.77.66.in-addr.arpa | 
| 4.51.77.66.in-addr.arpa | 
| 5.51.77.66.in-addr.arpa | 
Starts with same word
Starts similarily
AI analysis
51.77.66.in-addr.arpa is a parent of 204.51.77.66.in-addr.arpa, 233.51.77.66.in-addr.arpa, 230.51.77.66.in-addr.arpa, 4.51.77.66.in-addr.arpa and 5.51.77.66.in-addr.arpa.
51.77.66.in-addr.arpa has two name servers: authns1.qwest.net and authns2.qwest.net.
51.77.66.in-addr.arpa shares the same name server setup as other domains, for example uswestmail.net, 195.161.72.in-addr.arpa, 141.3.71.in-addr.arpa, 147.68.69.in-addr.arpa and 88.40.64.in-addr.arpa.
51.77.66.in-addr.arpa shares some name servers with other domains, for example reginamedical.org, 203.162.65.in-addr.arpa, imation.com.cn, 145.63.67.in-addr.arpa and ironkey.asia.
These name servers are often used together with ns.allina.com, nsext-stc.allina.com and 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.