MXLIST.NET - 231.50.in-addr.arpa
Search for IP or hostnames:
231.50.in-addr.arpa checked at 2025-11-04T06:51:55.943Z 112ms 74/74/74 100% R:8231.50.in-addr.arpa
| NS | dns101.comcast.net | ||||||
| A | 2001:558:fe23:8:69:252:250:103 🇺🇸 COMCAST-IBONE | ||||||
| PTR | dns101.comcast.net | ||||||
| A | 69.252.250.103🇺🇸 COMCAST-IBONE | ||||||
| PTR | dns101.comcast.net | ||||||
| NS | dns102.comcast.net | ||||||
| A | 2001:558:1004:7:68:87:85:132 🇺🇸 COMCAST-IBONE | ||||||
| PTR | dns102.comcast.net | ||||||
| A | 68.87.85.132🇺🇸 COMCAST-IBONE | ||||||
| PTR | dns102.comcast.net | ||||||
| NS | dns103.comcast.net | ||||||
| A | 2001:558:1014:c:68:87:76:228 🇺🇸 COMCAST-IBONE | ||||||
| PTR | dns103.comcast.net | ||||||
| A | 68.87.76.228🇺🇸 COMCAST-IBONE | ||||||
| PTR | dns103.comcast.net | ||||||
| NS | dns104.comcast.net | ||||||
| A | 2001:558:100a:5:68:87:68:244 🇺🇸 COMCAST-IBONE | ||||||
| PTR | dns104.comcast.net | ||||||
| A | 68.87.68.244🇺🇸 COMCAST-IBONE | ||||||
| PTR | dns104.comcast.net | ||||||
| NS | dns105.comcast.net | ||||||
| A | 2001:558:100e:5:68:87:72:244 🇺🇸 COMCAST-IBONE | ||||||
| PTR | dns105.comcast.net | ||||||
| A | 68.87.72.244🇺🇸 COMCAST-IBONE | ||||||
| PTR | dns105.comcast.net | ||||||
50.in-addr.arpa
| NS | r.arin.net | ||||||
| NS | u.arin.net | ||||||
| NS | x.arin.net | ||||||
| NS | y.arin.net | ||||||
| NS | z.arin.net | ||||||
| NS | arin.authdns.ripe.net | ||||||
Up
1.231.50.in-addr.arpa | 
86.231.50.in-addr.arpa | 
100.231.50.in-addr.arpa | 
40.231.50.in-addr.arpa | 
25.231.50.in-addr.arpa | 
29.231.50.in-addr.arpa | 
222.231.50.in-addr.arpa | 
163.231.50.in-addr.arpa | 
196.231.50.in-addr.arpa | 
93.231.50.in-addr.arpa | 
13.231.50.in-addr.arpa | 
205.231.50.in-addr.arpa | 
179.231.50.in-addr.arpa | 
41.231.50.in-addr.arpa | 
117.231.50.in-addr.arpa | 
67.231.50.in-addr.arpa | 
123.231.50.in-addr.arpa | 
190.231.50.in-addr.arpa | 
Starts with same word
231.in-addr.arpa | 
231.email | 
231.at | 
231.it | 
231.tv | 
231.cz | 
231.ltd | 
231.chat | 
231.run | 
231.ru | 
231.io | 
231.nl | 
231.cc | 
231.us | 
231.com | 
231.pl | 
231.la | 
231.me | 
231.ca | 
231.de | 
Starts similarily
AI analysis
231.50.in-addr.arpa is the parent of 1.231.50.in-addr.arpa, 86.231.50.in-addr.arpa, 100.231.50.in-addr.arpa, 40.231.50.in-addr.arpa, 25.231.50.in-addr.arpa and a few other host names. 
231.50.in-addr.arpa delegates to five name servers: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net and dns105.comcast.net.
231.50.in-addr.arpa at least partially shares name servers with other domains such as automotive889.com, verandah.fl.naples.comcast.net, 124.33.68.in-addr.arpa, 236.241.73.in-addr.arpa and 77.6.73.in-addr.arpa.
Two IPs per host name:
dns101.comcast.net points to: 2001:558:fe23:8:69:252:250:103 and 69.252.250.103
dns102.comcast.net points to: 2001:558:1004:7:68:87:85:132 and 68.87.85.132
dns103.comcast.net points to: 2001:558:1014:c:68:87:76:228 and 68.87.76.228
dns104.comcast.net points to: 2001:558:100a:5:68:87:68:244 and 68.87.68.244
dns105.comcast.net points to: 2001:558:100e:5:68:87:72:244 and 68.87.72.244
Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)