CF1761455092204-tsm20251024211356

WWW.RTSAK.COM - 21.8.216.in-addr.arpa

Search for IP or hostnames:

21.8.216.in-addr.arpa checked at 2025-10-26T05:04:52.189Z 723ms 50/50/50 100% R:25

21.8.216.in-addr.arpa

NScttsv039.ctt.ne.jp
A2404:200:ffff:a02:2:a:a:39 🇯🇵 The Hokuden Information System Service Company
PTRcttsv039.ctt.ne.jp
A218.223.216.79🇯🇵 The Hokuden Information System Service Company
NStymwsv02.fitweb.or.jp
A2404:200:1:a01:2:a:a:2 🇯🇵 The Hokuden Information System Service Company
PTRtymwsv02.fitweb.or.jp
A210.166.0.130🇯🇵 The Hokuden Information System Service Company
PTRtymwsv02.fitweb.or.jp

8.216.in-addr.arpa

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Starts with same word

Starts similarily

AI analysis

21.8.216.in-addr.arpa is a parent of 101.21.8.216.in-addr.arpa, 8.21.8.216.in-addr.arpa, 220.21.8.216.in-addr.arpa, 129.21.8.216.in-addr.arpa, 0.21.8.216.in-addr.arpa and a few other host names.

21.8.216.in-addr.arpa's delegation uses two name servers, cttsv039.ctt.ne.jp and tymwsv02.fitweb.or.jp.

21.8.216.in-addr.arpa shares the same name server setup as other domains, for example d214092121.ctt.ne.jp, d021008216.ctt.ne.jp, 225.215.61.in-addr.arpa, d019063119.ctt.ne.jp and 189.88.203.in-addr.arpa.

21.8.216.in-addr.arpa at least partially shares name servers with other domains, including 10.166.210.in-addr.arpa, kitanippon.jp, 227.215.61.in-addr.arpa, tgfr.net and kitanippon.co.jp.

These name servers are typically used together with the name servers tymwsv38.fitweb.or.jp, ans04.hyper.fitweb.net, sv312.hyper.fitweb.net, sv326.hyper.fitweb.net, knp02.kitanippon.co.jp, sv325.hyper.fitweb.net, sv311.hyper.fitweb.net, sv327.hyper.fitweb.net, sv323.hyper.fitweb.net and sv313.hyper.fitweb.net.

Host names with two IPs:

cttsv039.ctt.ne.jp points to: 2404:200:ffff:a02:2:a:a:39 and 218.223.216.79

tymwsv02.fitweb.or.jp points to: 2404:200:1:a01:2:a:a:2 and 210.166.0.130

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

LctoewE CF johedugfp 2025-10-26