IPLIST.NET - cs21nextnet.cz

Search for IP or hostnames:

cs21nextnet.cz checked at 2025-10-05T04:49:51.630Z 3767ms 106/106/106 100% R:14

`cs21nextnet.cz`

NS	`alfa.ns.active24.cz`
		A	2a02:4a8:ac24:100::96:2 ^{🇨🇿 ACTIVE 24}
			PTR	`alfa.ns.active24.cz`
		A	81.95.96.2^{🇨🇿 ACTIVE 24}
			PTR	`alfa.ns.active24.cz`
NS	`beta.ns.active24.cz`
		A	2a00:4b40:1000:590:185:111:90:94 ^{🇸🇰 Websupport}
			PTR	`beta.ns.active24.cz`
		A	185.111.90.94^{🇭🇺 Websupport}
			PTR	`beta.ns.active24.cz`
NS	`gama.ns.active24.sk`
		A	2a00:1968:0:1002:185:71:158:30 ^{🇸🇪 LOOPIA3}
			PTR	`gama.ns.active24.sk`
		A	185.71.158.30^{🇸🇪 LOOPIA3}
			PTR	`gama.ns.active24.sk`
MX	`cs21nextnet-cz.mail.protection.outlook.com`
		A	2a01:111:f403:ca04::1 ^{🇮🇪 Microsoft}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::7 ^{🇮🇪 Microsoft}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c ^{🇮🇪 Microsoft}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8 ^{🇳🇱 Microsoft}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
A	31.15.10.199^{🇨🇿 ACTIVE 24}
		PTR	`uvirt140.active24.cz`

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cs21nextnet.com

The parent of hosting.cs21nextnet.cz, intranet.cs21nextnet.cz, autodiscover.cs21nextnet.cz, cshelpdesk.cs21nextnet.cz, filter.cs21nextnet.cz and a few other host names is cs21nextnet.cz.

cs21nextnet.cz resolves to a single IP: 31.15.10.199.

Other host names, for instance filipmartin.cz, uvirt140.active24.cz, stransky.it, plusx.cz and mail.m3000.cz share IP numbers with cs21nextnet.cz.

cs21nextnet.cz delegates to three name servers: alfa.ns.active24.cz, beta.ns.active24.cz and gama.ns.active24.sk.

cs21nextnet.cz shares some name servers with other domains, for example urazovka.cz, fvb.cz, radiozlin.cz, odpiky.cz and dcservis.cz.

Host names with two IP numbers:

alfa.ns.active24.cz: 2a02:4a8:ac24:100::96:2 and 81.95.96.2

beta.ns.active24.cz: 2a00:4b40:1000:590:185:111:90:94 and 185.111.90.94

gama.ns.active24.sk: 2a00:1968:0:1002:185:71:158:30 and 185.71.158.30

cs21nextnet.cz is handled by a single mail server, cs21nextnet-cz.mail.protection.outlook.com.

Host cs21nextnet-cz.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::1, 2a01:111:f403:ca04::7, 2a01:111:f403:ca04::c, 2a01:111:f403:ca09::8, 52.101.68.27, 52.101.68.29, 52.101.68.32 and 52.101.73.16.

dbq