CF1763554796990-tsm20251116095642

WWW.RTSAK.COM - www.os.ecc.u-tokyo.ac.jp

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www.os.ecc.u-tokyo.ac.jp checked at 2025-11-19T12:19:56.975Z 681ms 25/25/25 100% R:14 allDone:true timedOut:false

www.os.ecc.u-tokyo.ac.jp

A160.16.97.157🇯🇵 SAKURA-B
PTRtk2-224-21903.vs.sakura.ne.jp

os.ecc.u-tokyo.ac.jp

MXos-ecc-utokyo-ac-jp02b.mail.protection.outlook.com
NSdns101.ecc.u-tokyo.ac.jp
NSdns.ecc.u-tokyo.ac.jp
A133.11.45.33🇯🇵 U-TOKYO

PTR for

Starts with same word

Starts similarily

AI analysis

www.os.ecc.u-tokyo.ac.jp resolves to one IP number: 160.16.97.157.

Other host names, for instance tk2-224-21903.vs.sakura.ne.jp, share IP numbers with www.os.ecc.u-tokyo.ac.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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