WWW.RTSAK.COM - b39.coreserver.jp
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b39.coreserver.jp checked at 2025-11-24T13:00:48.821Z 405ms 53/53/53 100% R:9 allDone:true timedOut:false b39.coreserver.jp
| MX | b39.coreserver.jp | ||||||
| A | 202.172.25.40🇯🇵 DRNET | ||||||
| PTR | b39.coreserver.jp | ||||||
| A | 202.172.25.40🇯🇵 DRNET | ||||||
| PTR | b39.coreserver.jp | ||||||
coreserver.jp
| MX | mail.coreserver.jp | ||||||
| NS | gabriel.ns.cloudflare.com | ||||||
| NS | vera.ns.cloudflare.com | ||||||
| A | 104.18.24.150 Cloudflare | ||||||
| A | 104.18.25.150 Cloudflare | ||||||
rank #1084 in the tld
PTR for
MX for
Starts with same word
Starts similarily
AI analysis
b39.coreserver.jp is the mail server for r-h.co.jp, b39.coreserver.jp and arcsys.jp.
Together with b39.coreserver.jp, mail.r-h.co.jp is commonly used as a mail server.
b39.coreserver.jp resolves to a single IP: 202.172.25.40.
Other host names, for instance tmaps.jp, smtp.elook.jp, imap.elook.jp, allperson.net and tankyo.co.jp 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.