MXLIST.NET - 21.101.128.in-addr.arpa
Search for IP or hostnames:
21.101.128.in-addr.arpa checked at 2025-10-19T18:42:22.600Z 196ms 57/57/57 100% R:1421.101.128.in-addr.arpa
| NS | ns-1.umn.edu | ||||||
| A | 2607:ea00:102:4801::53 🇺🇸 Northern Lights GigaPOP | ||||||
| PTR | ns-1.umn.edu | ||||||
| A | 128.101.101.1🇺🇸 UMN System Network | ||||||
| PTR | ns-1.umn.edu | ||||||
| NS | ns-2.umn.edu | ||||||
| A | 2a01:111:f100:1003::4134:36a1 🇺🇸 Microsoft | ||||||
| A | 52.162.90.224🇺🇸 Microsoft | ||||||
| NS | ns-3.umn.edu | ||||||
| A | 2600:1f16:4fe:2300:1d20:356b:4fc8:e9f1 🇺🇸 Amazon | ||||||
| A | 3.140.39.20🇺🇸 Amazon | ||||||
| PTR | ec2-3-140-39-20.us-east-2.compute.amazonaws.com | ||||||
101.128.in-addr.arpa
| NS | ns-1.umn.edu | ||||||
| NS | ns-2.umn.edu | ||||||
| NS | ns-3.umn.edu | ||||||
Up
33.21.101.128.in-addr.arpa |
Starts with same word
Starts similarily
AI analysis
21.101.128.in-addr.arpa is a parent of 33.21.101.128.in-addr.arpa.
21.101.128.in-addr.arpa is delegated to three name servers: ns-1.umn.edu, ns-2.umn.edu and ns-3.umn.edu.
At least part of the name servers for 21.101.128.in-addr.arpa are shared with other domains, for instance 119.57.146.in-addr.arpa, jaws.umn.edu, 13.57.146.in-addr.arpa, 131.57.146.in-addr.arpa and 86.35.192.in-addr.arpa.
These name servers are commonly used alongside ns-0.d.umn.edu and ns-1.d.umn.edu.
Host names with two IP numbers:
ns-1.umn.edu points to 2607:ea00:102:4801::53 and 128.101.101.1
ns-2.umn.edu points to 2a01:111:f100:1003::4134:36a1 and 52.162.90.224
ns-3.umn.edu points to 2600:1f16:4fe:2300:1d20:356b:4fc8:e9f1 and 3.140.39.20
dbq