CF1760191760573-tsm20251011071822

WWW.RTSAK.COM - 203.21.1.in-addr.arpa

Search for IP or hostnames:

203.21.1.in-addr.arpa checked at 2025-10-11T14:09:20.562Z 280ms 42/42/42 100% R:14

203.21.1.in-addr.arpa

NSns1.vectant.ne.jp
A163.139.230.164🇯🇵 ARTERIA Networks Corporation (Vectant)
PTRns1.vectant.ne.jp
NSns2.vectant.ne.jp
A163.139.230.165🇯🇵 ARTERIA Networks Corporation (Vectant)
PTRns2.vectant.ne.jp

21.1.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

203.21.1.in-addr.arpa is the parent of 67.203.21.1.in-addr.arpa, 66.203.21.1.in-addr.arpa, 64.203.21.1.in-addr.arpa, 163.203.21.1.in-addr.arpa, 97.203.21.1.in-addr.arpa and a few other host names.

203.21.1.in-addr.arpa is delegated to two name servers: ns1.vectant.ne.jp and ns2.vectant.ne.jp.

203.21.1.in-addr.arpa uses the same name server setup as other domains such as jenets.co.jp, 242.103.122.in-addr.arpa, 29.215.202.in-addr.arpa, 139.163.in-addr.arpa and 155.2.36.in-addr.arpa.

203.21.1.in-addr.arpa shares name servers with other domains at least partially, for example 37.180.202.in-addr.arpa, 00a.249.131.210.in-addr.arpa, naito-f.or.jp, matsumura-oil.co.jp and community-info.jp.

These name servers are commonly used with the name servers ax02.itplugin.net and ax03.itplugin.net.

Host names with one IP number:

ns1.vectant.ne.jp points to: 163.139.230.164.

ns2.vectant.ne.jp points to: 163.139.230.165.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

zyXHmRv CF johedugfp 2025-10-11