WWW.RTSAK.COM - coresystems.cz

Search for IP or hostnames:

coresystems.cz checked at 2025-10-18T11:33:19.861Z 471ms 106/106/106 100% R:14

`coresystems.cz`

NS	`ns.forpsi.cz`
		A	2001:15e8:201:1::d1b9 ^{🇨🇿 INTERNET CZ}
			PTR	`ns.forpsi.cz`
		A	81.2.209.185^{🇨🇿 INTERNET CZ}
			PTR	`ns.forpsi.cz`
NS	`ns.forpsi.it`
		A	2a00:6d41:2:1::5 ^{🇮🇹 Aruba}
			PTR	`ns.forpsi.it`
		A	95.110.254.165^{🇮🇹 Aruba}
			PTR	`host165-254-110-95.serverdedicati.aruba.it`
NS	`ns.forpsi.net`
		A	2001:15e8:101:1::c282 ^{🇨🇿 INTERNET CZ}
			PTR	`ns.forpsi.net`
		A	81.2.194.130^{🇨🇿 INTERNET CZ}
			PTR	`ns.forpsi.net`
MX	`coresystems-cz.mail.protection.outlook.com`
		A	2a01:111:f403:ca04:: ^{🇮🇪 Microsoft}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::2 ^{🇮🇪 Microsoft}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7 ^{🇳🇱 Microsoft}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e ^{🇳🇱 Microsoft}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
A	191.233.87.194^{🇳🇱 Microsoft}

coresystems.cz points to a single IP number: 191.233.87.194.

Other host names, for instance bookingmonkey.us, core.cz, bookingmonkey.se, kblogic.us and holidaycars.co.at share IP numbers with coresystems.cz.

The domain coresystems.cz is delegated to three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.

coresystems.cz shares name servers with other domains at least partially, for instance jonakovi.eu, investicnyguru.sk, svatymaur.cz, zsmatice.cz and nexes.hu.

these name servers are commonly used together with ns.forpsi.us and ns.forpsi.cn.

Host names with two IP numbers:

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

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

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

Host coresystems-cz.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::2, 2a01:111:f403:ca09::7, 2a01:111:f403:ca09::e, 52.101.68.3, 52.101.68.21, 52.101.73.4 and 52.101.73.22.

dbq