CF1759727459611-tsm20251005211530

DNSWHOIS.INFO - b39.coreserver.jp

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b39.coreserver.jp checked at 2025-10-06T05:10:59.594Z 333ms 53/53/53 100% R:12

AI analysis

b39.coreserver.jp serves as the mail server for r-h.co.jp, b39.coreserver.jp and arcsys.jp.

mail.r-h.co.jp and www2.r-h.co.jp are commonly used mail servers alongside b39.coreserver.jp.

b39.coreserver.jp resolves to a single IP address: 202.172.25.40.

Other host names including tmaps.jp, casinot.jp, smtp.elook.jp, imap.elook.jp and allperson.net share IP numbers with b39.coreserver.jp.

A single mail server handles b39.coreserver.jp.

b39.coreserver.jp uses the same mail server setup as other domains, such as arcsys.jp.

b39.coreserver.jp shares some mail servers with other domains, at least partially, for instance r-h.co.jp.

b39.coreserver.jp points to a single IP: 202.172.25.40.

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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SsKkAmS CF johedugfp 2025-10-06