DNSWHOIS.INFO - grubin.cz

Search for IP or hostnames:

grubin.cz checked at 2025-10-06T14:11:58.137Z 536ms 88/88/88 100% R:14

`grubin.cz`

MX	`mail.dc3.cz`
		A	81.0.217.5^{🇨🇿 Casablanca INT a.s.}
NS	`ns1.tele3.cz`
		A	2001:1528:123::d01 ^{🇨🇿 Casablanca INT a.s.}
			PTR	`ns1.tele3.cz`
		A	81.0.217.111^{🇨🇿 Casablanca INT a.s.}
NS	`ns2.tele3.cz`
		A	2a01:430:43::d02 ^{🇨🇿 MasterDC}
			PTR	`ns2.tele3.cz`
		A	81.31.35.151^{🇨🇿 MasterDC}
NS	`ns3.tele3.eu`
		A	2a01:4f8:162:24c1::d03 ^{🇩🇪 Hetzner}
			PTR	`ns3.tele3.eu`
		A	5.9.97.250^{🇩🇪 Hetzner}
			PTR	`ns3.tele3.eu`
NS	`ns4.tele3.us`
		A	2a01:4ff:f0:16b7::d04 ^{🇺🇸 Hetzner Online Cloud 2}
			PTR	`ns4.tele3.us`
		A	5.161.75.38^{🇺🇸 Hetzner Online Cloud 2}
			PTR	`ns4.tele3.us`
A	185.28.193.235^{🇨🇿 Gransy s.r.o. - anycastdns.cz}
		PTR	`tuxman.kraja.cz`

`cz`

	NS	`a.ns.nic.cz`
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`

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AI analysis

grubin.cz maps to IP address 185.28.193.235.

Other host names, for instance kapstop.cz, spujcky.cz, getit.sk, gbob.cz and degcz.cz share IP numbers with grubin.cz.

grubin.cz is delegated to four name servers: ns1.tele3.cz, ns2.tele3.cz, ns3.tele3.eu and ns4.tele3.us.

grubin.cz at least partially shares name servers with other domains such as mujpixel.cz, idat.cz, kredona.sk, ieg.sk and sombra.cz.

Host names with two IP numbers:

ns1.tele3.cz points to 2001:1528:123::d01 and 81.0.217.111

ns2.tele3.cz points to 2a01:430:43::d02 and 81.31.35.151

ns3.tele3.eu points to 2a01:4f8:162:24c1::d03 and 5.9.97.250

ns4.tele3.us points to 2a01:4ff:f0:16b7::d04 and 5.161.75.38

grubin.cz is handled by a single mail server, mail.dc3.cz.

grubin.cz shares the same mail server setup as other domains, including lakoz.cz, zava.sk, molino.cz, triger.cz and zeleneslevy.cz.

mail.dc3.cz points to one IP number: 81.0.217.5.

dbq