CF1759555851127-tsm20251003185623

WWW.RTSAK.COM - www.gemsystem.cz

Search for IP or hostnames:

www.gemsystem.cz checked at 2025-10-04T05:30:51.114Z 990ms 118/118/118 100% R:17

www.gemsystem.cz

CNAMEgemsystem.cz
NSns1.tech.gem.cz
A2001:67c:e2c:ff:143::1 2 connect
PTRns1.tech.gem.cz
A31.170.176.143🇨🇿 2 connect
NSns2.tech.gem.cz
A2a01:28:ca08:ff:167::1 🇨🇿 SH.cz
PTRns2.tech.gem.cz
A46.234.101.167🇨🇿 SH.cz
NSns3.tech.gem.cz
A2a01:4ff:f0:208e::1 🇺🇸 Hetzner Online Cloud 2
PTRns3.tech.gem.cz
A178.156.153.0🇩🇪 Hetzner Online Cloud 2
PTRns3.tech.gem.cz
MXgemsystem-cz.mail.protection.outlook.com
A2a01:111:f403:ca04::2 🇮🇪 Microsoft
PTRmail-du2pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca04::6 🇮🇪 Microsoft
PTRmail-db4pr02cu00406.inbound.protection.outlook.com
A2a01:111:f403:ca09::3 🇳🇱 Microsoft
PTRmail-am6pr04cu00303.inbound.protection.outlook.com
A2a01:111:f403:ca09::6 🇳🇱 Microsoft
PTRmail-am4pr0401cu00106.inbound.protection.outlook.com
A52.101.68.21🇮🇪 Microsoft
PTRmail-db4pr02cu00205.inbound.protection.outlook.com
A52.101.73.2🇳🇱 Microsoft
PTRmail-as9pr07cu00302.inbound.protection.outlook.com
A52.101.73.12🇳🇱 Microsoft
PTRmail-am4pr0401cu00104.inbound.protection.outlook.com
A52.101.73.26🇳🇱 Microsoft
PTRmail-as9pr05cu01302.inbound.protection.outlook.com
A2001:67c:e2c:ff:144::1 2 connect
PTRdmz-2001-67c-e2c-ff-144--1.net.gem.cz
A31.170.176.144🇨🇿 2 connect

gemsystem.cz

NSns1.tech.gem.cz
NSns2.tech.gem.cz
NSns3.tech.gem.cz
MXgemsystem-cz.mail.protection.outlook.com
A2001:67c:e2c:ff:144::1 2 connect
A31.170.176.144🇨🇿 2 connect

PTR for

Starts with same word

Starts similarily

AI analysis

www.gemsystem.cz resolves to two IP numbers: 2001:67c:e2c:ff:144::1 and 31.170.176.144.

Other host names, for instance gem.cz, gemsystem.cz and ezrak.eu share IP numbers with www.gemsystem.cz.

www.gemsystem.cz is delegated to three name servers ns1.tech.gem.cz, ns2.tech.gem.cz and ns3.tech.gem.cz.

www.gemsystem.cz at least partially shares name servers with other domains, for instance gemsystem.cz, 161-174.101.234.46.in-addr.arpa, ezrak.eu and gem.cz.

Host names with two IP numbers:

ns1.tech.gem.cz points to: 2001:67c:e2c:ff:143::1 and 31.170.176.143.

ns2.tech.gem.cz points to: 2a01:28:ca08:ff:167::1 and 46.234.101.167.

ns3.tech.gem.cz points to: 2a01:4ff:f0:208e::1 and 178.156.153.0.

www.gemsystem.cz is handled by a single mail server, gemsystem-cz.mail.protection.outlook.com.

www.gemsystem.cz shares the same mail server setup as other domains, for instance gemsystem.cz.

Host gemsystem-cz.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::6, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::6, 52.101.68.21, 52.101.73.2, 52.101.73.12 and 52.101.73.26.

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

sjMsiDA CF johedugfp 2025-10-04