CF1759813685656-tsm20251005211530

DNSWHOIS.INFO - grm-systems.cz

Search for IP or hostnames:

grm-systems.cz checked at 2025-10-07T05:08:05.611Z 321ms 122/122/122 100% R:11

grm-systems.cz

MXsmtp.google.com
A2607:f8b0:4004:c08::1a 🇺🇸 Google
PTRbi-in-f26.1e100.net
A2607:f8b0:4004:c08::1b 🇺🇸 Google
PTRbi-in-f27.1e100.net
A2607:f8b0:4004:c0b::1a 🇺🇸 Google
PTRbj-in-f26.1e100.net
A2607:f8b0:4004:c0b::1b 🇺🇸 Google
PTRbj-in-f27.1e100.net
A142.250.31.26🇺🇸 Google
PTRbj-in-f26.1e100.net
A142.250.31.27🇺🇸 Google
PTRbj-in-f27.1e100.net
A142.251.111.27🇺🇸 Google
PTRbk-in-f27.1e100.net
A172.253.63.26🇺🇸 Google
PTRbi-in-f26.1e100.net
A172.253.63.27🇺🇸 Google
PTRbi-in-f27.1e100.net
NSns.forpsi.cz
A2001:15e8:201:1::d1b9 🇨🇿 INTERNET CZ
PTRns.forpsi.cz
A81.2.209.185🇨🇿 INTERNET CZ
PTRns.forpsi.cz
NSns.forpsi.it
A2a00:6d41:2:1::5 🇮🇹 Aruba
PTRns.forpsi.it
A95.110.254.165🇮🇹 Aruba
PTRhost165-254-110-95.serverdedicati.aruba.it
NSns.forpsi.net
A2001:15e8:101:1::c282 🇨🇿 INTERNET CZ
PTRns.forpsi.net
A81.2.194.130🇨🇿 INTERNET CZ
PTRns.forpsi.net
A81.2.195.66🇨🇿 INTERNET CZ
PTR66.195.forpsi.net

cz

NSa.ns.nic.cz
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz

Up

Starts with same word

Starts similarily

AI analysis

grm-systems.cz is a parent of firma.grm-systems.cz and mail.grm-systems.cz.

grm-systems.cz resolves to one IP number: 81.2.195.66.

Other host names, for instance mtradecz.com, enzyma.net, www.chataspartak.cz, proregion.barvinek.net and sircontec.com share IP numbers with grm-systems.cz.

grm-systems.cz is delegated to three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.

grm-systems.cz at least partially shares name servers with other domains, including linky.hu, vip.cz, lvn.cz, chciprezoutauto.cz and tataa.cz.

These name servers are often used with ns.forpsi.us and ns.forpsi.cn.

Host names with two IP numbers:

ns.forpsi.cz: 2001:15e8:201:1::d1b9 and 81.2.209.185

ns.forpsi.it: 2a00:6d41:2:1::5 and 95.110.254.165

ns.forpsi.net: 2001:15e8:101:1::c282 and 81.2.194.130

A single mail server handles grm-systems.cz, smtp.google.com.

grm-systems.cz shares the same mail server setup as other domains, for instance ioreor.com, houruck.hu, jpn.me, aer.nl and cyrare.com.

grm-systems.cz shares at least some mail servers with other domains, for example c-commerce.org, belfoods.com, rootslab.co.id, scoutandwillow.com and fenamilho.com.br.

These mail servers are commonly used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Hostname smtp.google.com points to nine IP numbers: 2607:f8b0:4004:c08::1a, 2607:f8b0:4004:c08::1b, 2607:f8b0:4004:c0b::1a, 2607:f8b0:4004:c0b::1b, 142.250.31.26, 142.250.31.27, 142.251.111.27, 172.253.63.26 and 172.253.63.27.

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

NHrvQzG CF johedugfp 2025-10-07