CF1763443364841-tsm20251116095642

WWW.RTSAK.COM - tester.co.jp

Search for IP or hostnames:

tester.co.jp checked at 2025-11-18T05:22:44.755Z 5051ms 86/87/87 99% R:12 allDone:false timedOut:true

tester.co.jp

NSamdns03.alpha-mail.jp
A216.230.254.112🇺🇸 PSPinc
PTRamdns03.alpha-mail.jp
NSkotetsu.alpha-lt.net
A157.205.252.6🇯🇵 AICS
PTRamdns01.alpha-mail.jp
MXampub01.alpha-mail.net
A216.230.254.1🇺🇸 PSPinc
PTRampub01.alpha-mail.net
MXampub02.alpha-mail.net
A216.230.254.2🇺🇸 PSPinc
PTRampub02.alpha-mail.net
MXampub03.alpha-mail.net
A216.230.254.3🇺🇸 PSPinc
PTRampub03.alpha-mail.net
MXampub04.alpha-mail.net
A216.230.254.4🇺🇸 PSPinc
PTRampub04.alpha-mail.net
NStsukuba.aics.ne.jp
A157.205.252.7🇯🇵 AICS
PTRamdns02.alpha-mail.jp
A216.230.253.83🇺🇸 PSPinc
PTRwebltw83.alpha-mail.jp

co.jp

Up

Starts with same word

Starts similarily

AI analysis

The parent of www.tester.co.jp is tester.co.jp.

tester.co.jp points to IP number: 216.230.253.83.

Other host names such as family-1.net, mkeidesign.com, begg.jp, cpakat.jp and gakujuren.or.jp share IPs with tester.co.jp.

tester.co.jp is delegated to three name servers: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp.

tester.co.jp at least partially shares name servers with other domains, for instance sankyo-k.biz, ant-co.jp, nikkoren.info, rbe.co.jp and arcsystem.jp.

Host names with a single IP:

amdns03.alpha-mail.jp points to: 216.230.254.112.

kotetsu.alpha-lt.net points to: 157.205.252.6.

tsukuba.aics.ne.jp points to: 157.205.252.7.

Four mail servers handle tester.co.jp: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.

tester.co.jp shares at least partially some mail servers with other domains, including sanlm.co.jp, jamta.com, ryuei.com, nagawaimasaka.com and 1stsc.co.jp.

Host names with one IP number:

ampub01.alpha-mail.net points to 216.230.254.1.

ampub02.alpha-mail.net points to 216.230.254.2.

ampub03.alpha-mail.net points to 216.230.254.3.

ampub04.alpha-mail.net points to 216.230.254.4.

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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