CF1758362366255-tsm20250920073534

WWW.RTSAK.COM - c-system.co.jp

Search for IP or hostnames:

c-system.co.jp checked at 2025-09-20T09:59:26.242Z 604ms 125/125/125 100% R:25

c-system.co.jp

MXaspmx2.googlemail.com
A2a00:1450:400b:c02::1b 🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google
PTRdj-in-f27.1e100.net
MXaspmx3.googlemail.com
A2a00:1450:400c:c00::1b 🇧🇪 Google
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.26🇺🇸 Google
PTRws-in-f26.1e100.net
MXaspmx.l.google.com
A2607:f8b0:4004:c21::1a 🇺🇸 Google
PTRpe-in-f26.1e100.net
A142.251.16.27🇺🇸 Google
PTRbl-in-f27.1e100.net
NSns002-3ferbqt2ubs553dr.3.d-53.info
A2001:240:bb81::28:33 🇯🇵 Internet Initiative Japan
PTRs002.d-53.biz
A202.32.219.33🇯🇵 Internet Initiative Japan
PTRs002.d-53.biz
NSns002-3ferbqt2ubs553dr.3.d-53.jp
A2001:240:bb81::29:1093 🇯🇵 Internet Initiative Japan
PTRs002.d-53.org
A203.180.146.93🇯🇵 Internet Initiative Japan
PTRs002.d-53.org
NSns002-3ferbqt2ubs553dr.3.d-53.net
A2001:240:bb81::29:93 🇯🇵 Internet Initiative Japan
PTRs002.d-53.net
A210.138.20.93🇯🇵 Internet Initiative Japan
PTRs002.d-53.net
MXalt1.aspmx.l.google.com
A2a00:1450:400b:c02::1b 🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google
PTRdj-in-f26.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:400c:c00::1b 🇧🇪 Google
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google
PTRws-in-f27.1e100.net
A210.133.192.4🇯🇵 Internet Initiative Japan
PTRwww.c-system.co.jp

co.jp

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Starts with same word

Starts similarily

AI analysis

c-system.co.jp is the parent of www.c-system.co.jp.

c-system.co.jp resolves to one IP number: 210.133.192.4.

Other host names, for instance www.c-system.co.jp, share IP numbers with c-system.co.jp.

c-system.co.jp is delegated to three name servers ns002-3ferbqt2ubs553dr.3.d-53.info, ns002-3ferbqt2ubs553dr.3.d-53.jp and ns002-3ferbqt2ubs553dr.3.d-53.net.

Host names with two IP numbers:

ns002-3ferbqt2ubs553dr.3.d-53.info points to: 2001:240:bb81::28:33 and 202.32.219.33.

ns002-3ferbqt2ubs553dr.3.d-53.jp points to: 2001:240:bb81::29:1093 and 203.180.146.93.

ns002-3ferbqt2ubs553dr.3.d-53.net points to: 2001:240:bb81::29:93 and 210.138.20.93.

c-system.co.jp is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

c-system.co.jp shares some mail servers with other domains, at least partially, for instance arytech.com, kirnazabete.com, kellie-bea.com, frostfiction.com and karlili.com.

these mail servers are often used with aspmx4.googlemail.com, aspmx5.googlemail.com, alt4.aspmx.l.google.com and alt3.aspmx.l.google.com.

Host names with two IP numbers

aspmx2.googlemail.com points to 2a00:1450:400b:c02::1b and 172.253.116.27

aspmx3.googlemail.com points to 2a00:1450:400c:c00::1b and 173.194.76.26

aspmx.l.google.com points to 2607:f8b0:4004:c21::1a and 142.251.16.27

alt1.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.26

alt2.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27

Host names that point to 2a00:1450:400b:c02::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com

Host names that point to 2a00:1450:400c:c00::1b: aspmx3.googlemail.com and alt2.aspmx.l.google.com

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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JHpYDxn CF johedugfp 2025-09-20