CF1762560717092-tsm20251105200708

DNSWHOIS.INFO - 203.137.203.in-addr.arpa

Search for IP or hostnames:

203.137.203.in-addr.arpa checked at 2025-11-08T00:11:57.075Z 431ms 54/54/54 100% R:27

203.137.203.in-addr.arpa

NSns01.idc.jp
A2001:d88:a001:6:210:158:219:203 🇯🇵 IDC
A210.158.219.203🇯🇵 IDC
PTRns01.idc.jp
NSns02.idc.jp
A2001:d88:a001:7:64:56:165:91 🇯🇵 IDC
A64.56.165.91🇯🇵 IDC
PTRns02.idc.jp
NSns03.idc.jp
A2001:d88:a001:8:158:205:198:214 🇯🇵 IDC
A158.205.198.214🇯🇵 IDC
PTRns03.idc.jp

137.203.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

203.137.203.in-addr.arpa delegates to three name servers: ns01.idc.jp, ns02.idc.jp and ns03.idc.jp.

203.137.203.in-addr.arpa shares some name servers with other domains, for example 192.228.202.in-addr.arpa, nomura-re-wn.co.jp, neowing.co.jp, 234.145.203.in-addr.arpa and 41.234.202.in-addr.arpa.

These name servers are commonly used together with ns8.as-server.net and dns3.crosslanguage.co.jp.

Host names with two IP numbers:

ns01.idc.jp: 2001:d88:a001:6:210:158:219:203 and 210.158.219.203

ns02.idc.jp: 2001:d88:a001:7:64:56:165:91 and 64.56.165.91

ns03.idc.jp: 2001:d88:a001:8:158:205:198:214 and 158.205.198.214

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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