CF1763497176090-tsm20251116095642

DNSWHOIS.INFO - www.stb.tsukuba.ac.jp

Search for IP or hostnames:

www.stb.tsukuba.ac.jp checked at 2025-11-18T20:19:35.830Z 2517ms 48/48/48 100% R:14 allDone:true timedOut:false

www.stb.tsukuba.ac.jp

MXsmtpgwin.cc.tsukuba.ac.jp
A139.138.45.188🇺🇸 CISCOHPS-APAC
A207.54.83.63🇺🇸 CISCOHPS-APAC
A130.158.69.105🇯🇵 AS37917
PTRwww.stb.tsukuba.ac.jp

stb.tsukuba.ac.jp

NSazami.cc.tsukuba.ac.jp
NSkasumi.cc.tsukuba.ac.jp
NSmyouga.cc.tsukuba.ac.jp
MXsmtpgwin.cc.tsukuba.ac.jp

PTR for

Starts with same word

Starts similarily

AI analysis

www.stb.tsukuba.ac.jp maps to IP address 130.158.69.105.

Other host names, for example, mail.stb.tsukuba-ac.jp share IP numbers with www.stb.tsukuba.ac.jp.

www.stb.tsukuba.ac.jp is handled by a single mail server, smtpgwin.cc.tsukuba.ac.jp.

www.stb.tsukuba.ac.jp shares the same mail server setup as other domains, including ilc.tsukuba.ac.jp, humcul.tsukuba.ac.jp, rccp.tsukuba.ac.jp, tsa.tsukuba.ac.jp and physics.px.tsukuba.ac.jp.

www.stb.tsukuba.ac.jp shares mail servers with other domains, at least partially, for instance logic.cs.tsukuba.ac.jp, biol.tsukuba.ac.jp, kiban.md.tsukuba.ac.jp and phys.ims.tsukuba.ac.jp.

these mail servers are commonly used alongside the mail servers www.logic.cs.tsukuba.ac.jp.

Host name smtpgwin.cc.tsukuba.ac.jp points to IPs 139.138.45.188 and 207.54.83.63.

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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