CF1760299393985-tsm20251012143351

WWW.RTSAK.COM - 187.138.203.in-addr.arpa

Search for IP or hostnames:

187.138.203.in-addr.arpa checked at 2025-10-12T20:03:13.972Z 190ms 39/39/39 100% R:12

187.138.203.in-addr.arpa

NSns3.sphere.ad.jp
A202.239.113.22🇯🇵 NTT PC Communications (InfoSphere)
PTRns3.sphere.ad.jp
NSns4.sphere.ad.jp
A202.239.113.30🇯🇵 NTT PC Communications (InfoSphere)
PTRns4.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

Up

Starts with same word

Starts similarily

AI analysis

187.138.203.in-addr.arpa is parent of 44.187.138.203.in-addr.arpa.

187.138.203.in-addr.arpa's delegation is to two name servers ns3.sphere.ad.jp and ns4.sphere.ad.jp.

187.138.203.in-addr.arpa shares the same name server configuration as other domains, such as g-logic.jp, t-zeirishi.jp, c-med.org, www.hams-jp.com and digibi.com.

187.138.203.in-addr.arpa shares name servers with other domains to at least some extent, for instance bone-design.com and nsd-inc.co.jp.

Host names with a single IP:

ns3.sphere.ad.jp resolves to 202.239.113.22.

ns4.sphere.ad.jp resolves to 202.239.113.30.

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

tVcnwNS CF johedugfp 2025-10-12