IPLIST.NET - 21.51.in-addr.arpa
Search for IP or hostnames:
21.51.in-addr.arpa checked at 2025-10-02T04:20:08.042Z 111ms 48/48/48 100% R:1121.51.in-addr.arpa
51.in-addr.arpa
| NS | ns3.afrinic.net | ||||||
| NS | ns4.apnic.net | ||||||
| NS | rirns.arin.net | ||||||
| NS | ns3.lacnic.net | ||||||
| NS | pri.authdns.ripe.net | ||||||
Up
24.21.51.in-addr.arpa |
6.21.51.in-addr.arpa |
90.21.51.in-addr.arpa |
44.21.51.in-addr.arpa |
103.21.51.in-addr.arpa |
142.21.51.in-addr.arpa |
10.21.51.in-addr.arpa |
91.21.51.in-addr.arpa |
146.21.51.in-addr.arpa |
126.21.51.in-addr.arpa |
33.21.51.in-addr.arpa |
21.21.51.in-addr.arpa |
73.21.51.in-addr.arpa |
132.21.51.in-addr.arpa |
122.21.51.in-addr.arpa |
210.21.51.in-addr.arpa |
114.21.51.in-addr.arpa |
83.21.51.in-addr.arpa |
96.21.51.in-addr.arpa |
43.21.51.in-addr.arpa |
25.21.51.in-addr.arpa |
30.21.51.in-addr.arpa |
109.21.51.in-addr.arpa |
55.21.51.in-addr.arpa |
15.21.51.in-addr.arpa |
155.21.51.in-addr.arpa |
23.21.51.in-addr.arpa |
1.21.51.in-addr.arpa |
27.21.51.in-addr.arpa |
48.21.51.in-addr.arpa |
17.21.51.in-addr.arpa |
47.21.51.in-addr.arpa |
75.21.51.in-addr.arpa |
139.21.51.in-addr.arpa |
74.21.51.in-addr.arpa |
98.21.51.in-addr.arpa |
49.21.51.in-addr.arpa |
65.21.51.in-addr.arpa |
166.21.51.in-addr.arpa |
34.21.51.in-addr.arpa |
26.21.51.in-addr.arpa |
19.21.51.in-addr.arpa |
39.21.51.in-addr.arpa |
81.21.51.in-addr.arpa |
113.21.51.in-addr.arpa |
241.21.51.in-addr.arpa |
31.21.51.in-addr.arpa |
35.21.51.in-addr.arpa |
145.21.51.in-addr.arpa |
58.21.51.in-addr.arpa |
53.21.51.in-addr.arpa |
141.21.51.in-addr.arpa |
9.21.51.in-addr.arpa |
12.21.51.in-addr.arpa |
61.21.51.in-addr.arpa |
159.21.51.in-addr.arpa |
51.21.51.in-addr.arpa |
95.21.51.in-addr.arpa |
97.21.51.in-addr.arpa |
63.21.51.in-addr.arpa |
120.21.51.in-addr.arpa |
14.21.51.in-addr.arpa |
107.21.51.in-addr.arpa |
16.21.51.in-addr.arpa |
62.21.51.in-addr.arpa |
86.21.51.in-addr.arpa |
106.21.51.in-addr.arpa |
70.21.51.in-addr.arpa |
150.21.51.in-addr.arpa |
127.21.51.in-addr.arpa |
147.21.51.in-addr.arpa |
93.21.51.in-addr.arpa |
108.21.51.in-addr.arpa |
28.21.51.in-addr.arpa |
143.21.51.in-addr.arpa |
22.21.51.in-addr.arpa |
Starts with same word
Starts similarily
AI analysis
21.51.in-addr.arpa is a parent of 24.21.51.in-addr.arpa, 6.21.51.in-addr.arpa, 90.21.51.in-addr.arpa, 44.21.51.in-addr.arpa and 103.21.51.in-addr.arpa, plus a few other host names.
21.51.in-addr.arpa is delegated to four name servers: ns1-16-eu-north-1.ec2-rdns.amazonaws.com, ns2-16-eu-north-1.ec2-rdns.amazonaws.com, ns3-16-eu-north-1.ec2-rdns.amazonaws.com and ns4-16-eu-north-1.ec2-rdns.amazonaws.com.
21.51.in-addr.arpa shares name servers with other domains at least partially, for instance 50.13.in-addr.arpa, 61.13.in-addr.arpa, 51.13.in-addr.arpa, 170.16.in-addr.arpa and 171.16.in-addr.arpa.
Host names with a single IP:
ns1-16-eu-north-1.ec2-rdns.amazonaws.com points to 205.251.197.174.
ns2-16-eu-north-1.ec2-rdns.amazonaws.com points to 205.251.199.162.
ns3-16-eu-north-1.ec2-rdns.amazonaws.com points to 205.251.193.162.
ns4-16-eu-north-1.ec2-rdns.amazonaws.com points to 205.251.194.123.