CF1762500880851-tsm20251105200708

WWW.RTSAK.COM - 61.139.210.in-addr.arpa

Search for IP or hostnames:

61.139.210.in-addr.arpa checked at 2025-11-07T07:34:40.839Z 369ms 50/50/50 100% R:14

61.139.210.in-addr.arpa

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

139.210.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

The parent of 2.61.139.210.in-addr.arpa is 61.139.210.in-addr.arpa.

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

61.139.210.in-addr.arpa uses the same name server setup as other domains, for instance 55.139.210.in-addr.arpa, 141.146.124.in-addr.arpa, 251.165.210.in-addr.arpa, 232.102.219.in-addr.arpa and 32.44.163.in-addr.arpa.

61.139.210.in-addr.arpa shares name servers with other domains at least partially, for instance 128.48.150.210.in-addr.arpa, tsk-corp.jp, sub192.73.239.202.in-addr.arpa, oiler.co.jp and mdmt.jp.

these name servers are commonly used together with admin.hitwave.or.jp and penguin.kddnet.ad.jp.

Host names with two IP numbers:

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

The host 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