MXLIST.NET - 91.128.in-addr.arpa
Search for IP or hostnames:
91.128.in-addr.arpa checked at 2025-10-13T10:00:22.719Z 1021ms 93/93/93 100% R:1091.128.in-addr.arpa
| NS | dns1.udel.edu | ||||||
| A | 128.175.13.16🇺🇸 AS34 | ||||||
| PTR | dns1.udel.edu | ||||||
| NS | dns2.udel.edu | ||||||
| A | 128.175.13.17🇺🇸 AS34 | ||||||
| PTR | dns2.udel.edu | ||||||
| NS | adns4.upenn.edu | ||||||
| A | 2600:1800:5::1:0 🇺🇸 Tiggee | ||||||
| PTR | adns4.upenn.edu | ||||||
| A | 208.94.148.32🇺🇸 Tiggee | ||||||
| PTR | adns4.upenn.edu | ||||||
| NS | adns5.upenn.edu | ||||||
| A | 2600:1801:6::1:0 🇺🇸 Tiggee | ||||||
| PTR | adns5.upenn.edu | ||||||
| A | 208.80.124.32🇺🇸 Tiggee | ||||||
| PTR | adns5.upenn.edu | ||||||
| NS | adns6.upenn.edu | ||||||
| A | 2600:1802:7::1:0 🇺🇸 Tiggee | ||||||
| PTR | adns6.upenn.edu | ||||||
| A | 208.80.126.32🇺🇸 Tiggee | ||||||
| PTR | adns6.upenn.edu | ||||||
| NS | adns1.nnn.upenn.edu | ||||||
| A | 2607:f470:1001::ad:1 🇺🇸 UPENN | ||||||
| PTR | adns1.nnn.upenn.edu | ||||||
| A | 128.91.2.53🇺🇸 UPENN | ||||||
| PTR | adns1.nnn.upenn.edu | ||||||
| NS | adns2.nnn.upenn.edu | ||||||
| A | 2607:f470:1002::ad:2 🇺🇸 UPENN | ||||||
| PTR | adns2.nnn.upenn.edu | ||||||
| A | 128.91.254.53🇺🇸 UPENN | ||||||
| PTR | adns2.nnn.upenn.edu | ||||||
| NS | adns3.nnn.upenn.edu | ||||||
| A | 2607:f470:1003::ad:3 🇺🇸 UPENN | ||||||
| PTR | adns3.nnn.upenn.edu | ||||||
| A | 128.91.251.53🇺🇸 UPENN | ||||||
| PTR | adns3.nnn.upenn.edu | ||||||
128.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 | ||||||
Starts with same word
Starts similarily
AI analysis
91.128.in-addr.arpa delegates to eight name servers: dns1.udel.edu, dns2.udel.edu, adns4.upenn.edu, adns5.upenn.edu, adns6.upenn.edu, adns1.nnn.upenn.edu, adns2.nnn.upenn.edu and adns3.nnn.upenn.edu.
At least part of the name servers for 91.128.in-addr.arpa are shared with other domains, for instance 99.27.216.in-addr.arpa, 97.27.216.in-addr.arpa, 0.7.4.f.7.0.6.2.ip6.arpa, upenn.net and wharton.edu.
Host names with two IP numbers:
adns4.upenn.edu points to 2600:1800:5::1:0 and 208.94.148.32; adns5.upenn.edu points to 2600:1801:6::1:0 and 208.80.124.32; adns6.upenn.edu points to 2600:1802:7::1:0 and 208.80.126.32; adns1.nnn.upenn.edu points to 2607:f470:1001::ad:1 and 128.91.2.53; adns2.nnn.upenn.edu points to 2607:f470:1002::ad:2 and 128.91.254.53; adns3.nnn.upenn.edu points to 2607:f470:1003::ad:3 and 128.91.251.53.
Host names with one IP number:
dns1.udel.edu points to 128.175.13.16; dns2.udel.edu points to 128.175.13.17.