CF1759291003912-tsm20250929235914

IPLIST.NET - 166.138.203.in-addr.arpa

Search for IP or hostnames:

166.138.203.in-addr.arpa checked at 2025-10-01T03:56:43.898Z 362ms 47/47/47 100% R:10

166.138.203.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

166.138.203.in-addr.arpa's delegation uses two name servers: ns1.sphere.ad.jp and ns2.sphere.ad.jp.

166.138.203.in-addr.arpa uses the same name server setup as other domains, such as 227.153.210.in-addr.arpa, 19.44.163.in-addr.arpa, 10.194.61.in-addr.arpa, 122.245.119.in-addr.arpa and otsu.nttpc.ne.jp.

166.138.203.in-addr.arpa at least partially shares name servers with other domains, including sub128.130.212.202.in-addr.arpa, ilbianco.net, wiwi-duskin.jp, nakatani-k.com and magna.co.jp.

these name servers are commonly used alongside the name servers admin.hitwave.or.jp, ns1.bb4u.ne.jp, hos07203.duskin.co.jp, dns-sa1.plala.or.jp and dns-sd1.plala.or.jp.

Host names with two IPs:

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.
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