CF1763640468339-tsm20251116095642

DNSWHOIS.INFO - mail.r-sys.co.jp

Search for IP or hostnames:

mail.r-sys.co.jp checked at 2025-11-20T12:07:48.319Z 234ms 28/28/28 100% R:18 allDone:true timedOut:false

mail.r-sys.co.jp

A210.143.104.20🇯🇵 PROX
PTRns.r-sys.co.jp

r-sys.co.jp

MXmail.r-sys.co.jp
NSns.r-sys.co.jp
NSdns2.ixent.ne.jp
A210.143.104.20🇯🇵 PROX

MX for

Starts with same word

Starts similarily

AI analysis

mail.r-sys.co.jp serves as a mail server for r-sys.co.jp.

mail.r-sys.co.jp resolves to one IP number: 210.143.104.20.

Other host names for instance r-sys.co.jp and ns.r-sys.co.jp share IP numbers with mail.r-sys.co.jp.

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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