IPLIST.NET - 87.121.75.in-addr.arpa
Search for IP or hostnames:
87.121.75.in-addr.arpa checked at 2025-10-31T18:26:15.033Z 612ms 50/50/50 100% R:887.121.75.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 | ||||||
121.75.in-addr.arpa
| NS | authns1.qwest.net | ||||||
| NS | authns2.qwest.net | ||||||
Up
| 228.87.121.75.in-addr.arpa | 
| 7.87.121.75.in-addr.arpa | 
| 195.87.121.75.in-addr.arpa | 
| 9.87.121.75.in-addr.arpa | 
Starts with same word
| 87.amsterdam | 
| 87.cn | 
| 87.ro | 
| 87.cl | 
| 87.tel | 
| 87.lv | 
| 87.in-addr.arpa | 
| 87.ws | 
| 87.cc | 
| 87.cool | 
| 87.com | 
| 87.no | 
| 87.js.cn | 
| 87.co | 
| 87.gold | 
| 87.cz | 
| 87.si | 
| 87.do | 
| 87.eu | 
| 87.re | 
| 87.org | 
| 87.nl | 
| 87.fr | 
| 87.be | 
| 87.plus | 
| 87.world | 
Starts similarily
AI analysis
87.121.75.in-addr.arpa is a parent of 228.87.121.75.in-addr.arpa, 7.87.121.75.in-addr.arpa, 195.87.121.75.in-addr.arpa and 9.87.121.75.in-addr.arpa.
87.121.75.in-addr.arpa is delegated to two name servers authns1.qwest.net and authns2.qwest.net.
87.121.75.in-addr.arpa shares the same name server setup as other domains, for instance 88.47.208.in-addr.arpa, rts.tpf.qwest.net, 99.184.in-addr.arpa, centurylink.co.uk and 87.91.64.in-addr.arpa. 
87.121.75.in-addr.arpa at least partially shares name servers with other domains, for instance nebraskabankersbank.net, 40.240.205.in-addr.arpa, imation.lt, 72.173.65.in-addr.arpa and mie-site.net.
These name servers are commonly used with ns10.embarqservices.net, ns9.embarqservices.net and dns1.utelfla.com.
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.