CF1759652724372-tsm20251004101907

WWW.RTSAK.COM - 15.138.203.in-addr.arpa

Search for IP or hostnames:

15.138.203.in-addr.arpa checked at 2025-10-05T08:25:24.356Z 413ms 47/47/47 100% R:9

15.138.203.in-addr.arpa

NSns1.sphere.ad.jp
A2001:2c0:11:3::a01 🇯🇵 NTT PC Communications (InfoSphere)
PTRns1.sphere.ad.jp
A202.239.113.19🇯🇵 NTT PC Communications (InfoSphere)
PTRns1.sphere.ad.jp
NSns2.sphere.ad.jp
A2001:2c0:11:1::a02 🇯🇵 NTT PC Communications (InfoSphere)
PTRns2.sphere.ad.jp
A202.239.113.26🇯🇵 NTT PC Communications (InfoSphere)
PTRns2.sphere.ad.jp

138.203.in-addr.arpa

NSa.dns.jp
NSb.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp

Starts with same word

Starts similarily

AI analysis

15.138.203.in-addr.arpa is delegated to two name servers: ns1.sphere.ad.jp and ns2.sphere.ad.jp.

15.138.203.in-addr.arpa shares the same name server setup as other domains, for example 211.89.111.in-addr.arpa, ag2525.nttpc.ne.jp, 94.154.124.in-addr.arpa, 59.40.218.in-addr.arpa and 160.212.202.in-addr.arpa.

15.138.203.in-addr.arpa at least partially shares name servers with other domains, for instance hokuriku-sanai.com, sub136.197.33.1.in-addr.arpa, webmac.co.jp, shugiin.go.jp and sub136.217.197.61.in-addr.arpa.

These name servers are commonly used with penguin.kddnet.ad.jp, admin.hitwave.or.jp and srv.hitachijoho.com.

Host names with two IP numbers:

ns1.sphere.ad.jp points to 2001:2c0:11:3::a01 and 202.239.113.19

ns2.sphere.ad.jp points to 2001:2c0:11:1::a02 and 202.239.113.26

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

ijKUgSX CF johedugfp 2025-10-05