CF1760577550432-tsm20251015201252

WWW.RTSAK.COM - c-first.biz

Search for IP or hostnames:

c-first.biz checked at 2025-10-16T01:19:10.413Z 491ms 88/88/88 100% R:20

c-first.biz

MXmail.c-first.biz
A153.122.159.2🇯🇵 GMO CLOUD
PTRc-first.biz
MXvs.mailsystems.net
A150.95.44.50🇯🇵 GMO Internet, Inc.
PTRv150-95-44-50.misp.static.cnode.io
NSns1.rsjpserver.net
A157.120.112.238🇯🇵 GMOHS-CL
A157.120.113.238🇯🇵 GMOHS-CL
A157.120.114.238🇯🇵 GMOHS-CL
NSns2.rsjpserver.net
A157.120.112.238🇯🇵 GMOHS-CL
A157.120.113.238🇯🇵 GMOHS-CL
A157.120.114.238🇯🇵 GMOHS-CL
A59.106.27.172🇯🇵 SAKURA internet AS9370
PTRwww1932.sakura.ne.jp

biz

NSa.gtld.biz
NSb.gtld.biz
NSc.gtld.biz
NSm.gtld.biz
NSn.gtld.biz
NSw.gtld.biz
NSx.gtld.biz
NSy.gtld.biz

PTR for

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Starts with same word

Starts similarily

AI analysis

c-first.biz is the parent of mail.c-first.biz.

c-first.biz points to IP number 59.106.27.172.

For instance, other host names petrocutter.com, porco-pictures.com, organic-farm.info, okgawa.com and tyl.jp share IP numbers with c-first.biz.

c-first.biz is delegated to two name servers: ns1.rsjpserver.net and ns2.rsjpserver.net.

c-first.biz uses the same name server setup as other domains such as natule.co.jp, bunemon.jp, maxcom-jp.com, trip-ad.com and hm-nt.jp.

Host names with three IP numbers:

ns1.rsjpserver.net and ns2.rsjpserver.net point to 157.120.112.238, 157.120.113.238 and 157.120.114.238.

Host names that point to 157.120.112.238: ns1.rsjpserver.net and ns2.rsjpserver.net.

Host names that point to 157.120.113.238: ns1.rsjpserver.net and ns2.rsjpserver.net.

Host names that point to 157.120.114.238: ns1.rsjpserver.net and ns2.rsjpserver.net.

Two mail servers mail.c-first.biz and vs.mailsystems.net handle c-first.biz.

c-first.biz shares mail servers with other domains at least partially; for instance azul-cielo.com, kinki-takarakuji.jp, meiwa-f.com, changeprogram.jp and openkitchen.net.

these mail servers are commonly used alongside mx.gmocloud.com and nil.co.jp.

Host names with one IP number:

mail.c-first.biz points to: 153.122.159.2.

vs.mailsystems.net points to: 150.95.44.50.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

VRpPyCp CF johedugfp 2025-10-16