DNSWHOIS.INFO - hostmaster.dns4isp.net

Search for IP or hostnames:

hostmaster.dns4isp.net checked at 2025-10-24T01:40:05.923Z 3003ms 93/93/93 100% R:30

`hostmaster.dns4isp.net`

CNAME	`dns4isp.net`
NS	`ns1.dns4isp.cz`
		A	2a0d:180:1::10 ^{🇨🇿 ASTANA Technologies}
			PTR	`ns1.dns4isp.cz`
		A	185.175.8.203^{🇨🇿 ASTANA Technologies}
			PTR	`ns1.dns4isp.cz`
MX	`mail.kvalitnihosting.cz`
		A	185.175.8.220^{🇨🇿 ASTANA Technologies}
			PTR	`mail.kvalitnihosting.cz`
NS	`ns2.dns4isp.net`
		A	2a01:5f0:c001:124:2::152 ^{🇨🇿 Coolhousing}
			PTR	`ns2.dns4isp.cz`
		A	89.187.149.152^{🇨🇿 Coolhousing}
			PTR	`ns2.dns4isp.cz`
NS	`ns3.dns4isp.org`
		A	2605:a140:2163:757::1 ^{🇺🇸 Nubes}
			PTR	`ns3.dns4isp.cz`
		A	194.113.67.44^{🇺🇸 Nubes}
			PTR	`ns3.dns4isp.cz`
A	2a00:1790:6::2:0:1 ^{🇨🇿 Kaora}
A	91.103.163.215^{🇨🇿 Kaora}
		PTR	`215.dns4isp192.163.103.91.in-addr.arpa`

`dns4isp.net`

	NS	`ns1.dns4isp.cz`
	MX	`mail.kvalitnihosting.cz`
	NS	`ns2.dns4isp.net`
	NS	`ns3.dns4isp.org`
	A	2a00:1790:6::2:0:1 ^{🇨🇿 Kaora}
	A	91.103.163.215^{🇨🇿 Kaora}

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AI analysis

hostmaster.dns4isp.net resolves to two IP numbers: 2a00:1790:6::2:0:1 and 91.103.163.215.

Other host names, for instance dns4isp.org, webservices.dns4isp.net, dns4isp.name, dns4isp.info and dns4isp.net share IP numbers with hostmaster.dns4isp.net.

hostmaster.dns4isp.net delegates to three name servers: ns1.dns4isp.cz, ns2.dns4isp.net and ns3.dns4isp.org.

hostmaster.dns4isp.net shares some name servers with other domains, for example avedax.eu, kup-server.cz, dns4isp.org, openblacklist.org and rauspc.cz.

These name servers are often used together with ns2.dns4isp.cz, ns3.dns4isp.cz and ns.svinov.net.

Host names with two IP numbers:

ns1.dns4isp.cz: 2a0d:180:1::10 and 185.175.8.203

ns2.dns4isp.net: 2a01:5f0:c001:124:2::152 and 89.187.149.152

ns3.dns4isp.org: 2605:a140:2163:757::1 and 194.113.67.44

hostmaster.dns4isp.net is handled by a single mail server, mail.kvalitnihosting.cz.

hostmaster.dns4isp.net shares the mail server setup with other domains, for example taxi-klub.cz, avexdigital.cz, kvalitni-hosting.cz, about-czechia.com and dns4isp.org.

Host name mail.kvalitnihosting.cz points to IP 185.175.8.220.

dbq