CF1759628398530-tsm20251004101907

WWW.ROBTEX.COM - b39.coreserver.jp

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b39.coreserver.jp checked at 2025-10-05T01:39:58.506Z 323ms 65/65/65 100% R:10

AI analysis

b39.coreserver.jp is 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 as mail servers together with b39.coreserver.jp.

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

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

One mail server handles b39.coreserver.jp.

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

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

Host name b39.coreserver.jp points to 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.
dbq

VDMPKbO CF johedugfp 2025-10-05