CF1762039908587-tsm20251101102947

WWW.RTSAK.COM - s200.coreserver.jp

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s200.coreserver.jp checked at 2025-11-01T23:31:48.570Z 346ms 47/47/47 100% R:10

AI analysis

The mail server at s200.coreserver.jp handles mail for yzjobhunting.com, s200.coreserver.jp, nagiyuki.com, okasan-yk.biz, okasan.biz and a few other domains.

s200.coreserver.jp resolves to one IP number: 202.172.28.201.

other host names including okasan-s.biz, v88.jp, www.yzjobhunting.com, ns1.e-arcade.net and ucpbl.org share IP numbers with s200.coreserver.jp.

s200.coreserver.jp is served by a single mail server, s200.coreserver.jp.

s200.coreserver.jp shares the same mail server setup as other domains, for instance yzjobhunting.com, nagiyuki.com, okasan-yk.biz, okasan.biz and okasan-s.biz.

s200.coreserver.jp resolves to IP 202.172.28.201.

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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YgUSsCv CF johedugfp 2025-11-01