CF1762929337278-tsm20251109205412

WWW.ROBTEX.COM - grcs.co.jp

Search for IP or hostnames:

grcs.co.jp checked at 2025-11-12T06:35:37.257Z 388ms 266/266/266 100% R:16 allDone:true timedOut:false

grcs.co.jp

MXaspmx2.googlemail.com
A2a00:1450:400b:c02::1a🇮🇪 Google
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google
PTRdj-in-f26.1e100.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
NSns1.xserver.jp
A202.226.36.164🇯🇵 XSERVER-AS
A202.226.36.170🇯🇵 XSERVER-AS
A202.226.36.246🇯🇵 XSERVER-AS
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS
A183.90.224.230🇯🇵 XSERVER-AS
A202.226.39.247🇯🇵 XSERVER-AS
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS
A157.112.182.220🇯🇵 XSERVER-AS
A202.226.37.247🇯🇵 XSERVER-AS
PTRns5.xserver.jp
MXaspmx.l.google.com
A2a00:1450:400c:c00::1b🇧🇪 Google
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A74.125.133.26🇺🇸 Google
PTRwo-in-f26.1e100.net
MXalt1.aspmx.l.google.com
A2a00:1450:4013:c1e::1a🇳🇱 Google
PTRyugrqzs-in-f26.1e100.net
A192.178.213.26🇺🇸 Google
PTRyugrqzs-in-f26.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:4025:c01::1a🇵🇱 Google
PTRrd-in-f26.1e100.net
A142.250.147.27🇺🇸 Google
PTRrd-in-f27.1e100.net
A202.226.37.69🇯🇵 XSERVER-AS
PTRsv99.xserver.jp

co.jp

Up

Starts with same word

Starts similarily

AI analysis

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

grcs.co.jp points to a single IP number: 202.226.37.69.

Other host names, for instance bell-esthe.com, t-n-r.com, www.roppongi.mobi, www.yoyogi-labo.com and fufu6.com share IP numbers with grcs.co.jp.

grcs.co.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

grcs.co.jp shares name servers with other domains at least partially, for instance yisc-saitama.com, yamashika.com, kk-itoh.com, fbi-rs.com and jsht.or.jp.

Host names with three IP numbers:

ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names with one IP number:

ns2.xserver.jp points to: 35.72.43.26.

ns3.xserver.jp points to: 202.226.36.247.

grcs.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.

grcs.co.jp shares some mail servers with other domains, including newsatint.com, storehub.me, jimsigel.com, esichatel.com and lafolie.in.

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

Hostnames with two IPs:

aspmx2.googlemail.com points to 2a00:1450:400b:c02::1a and 172.253.116.26

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

aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 74.125.133.26

alt1.aspmx.l.google.com points to 2a00:1450:4013:c1e::1a and 192.178.213.26

alt2.aspmx.l.google.com points to 2a00:1450:4025:c01::1a and 142.250.147.27

Hostnames that point to 2a00:1450:400c:c00::1b: aspmx3.googlemail.com and 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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