WWW.RTSAK.COM - cfb.cuni.cz

Search for IP or hostnames:

cfb.cuni.cz checked at 2025-10-22T18:42:46.175Z 693ms 102/102/102 100% R:17

`cfb.cuni.cz`

MX	`sun.cts.cuni.cz`
		A	2001:718:1e03:300::40 ^{🇨🇿 CESNET}
			PTR	`sun.cts.cuni.cz`
		A	147.231.54.40^{🇨🇿 CESNET}
			PTR	`sun.cts.cuni.cz`
NS	`sun.cts.cuni.cz`
		A	2001:718:1e03:300::40 ^{🇨🇿 CESNET}
			PTR	`sun.cts.cuni.cz`
		A	147.231.54.40^{🇨🇿 CESNET}
			PTR	`sun.cts.cuni.cz`
NS	`david.ruk.cuni.cz`
		A	2001:718:1203:502::2 ^{🇨🇿 CESNET}
			PTR	`david.ruk.cuni.cz`
		A	78.128.213.242^{🇨🇿 CESNET}
MX	`golias.ruk.cuni.cz`
		A	2001:718:1e03:1::2 ^{🇨🇿 CESNET}
			PTR	`golias.ruk.cuni.cz`
		A	195.113.0.2^{🇨🇿 CESNET}
			PTR	`golias.ruk.cuni.cz`
NS	`golias.ruk.cuni.cz`
		A	2001:718:1e03:1::2 ^{🇨🇿 CESNET}
			PTR	`golias.ruk.cuni.cz`
		A	195.113.0.2^{🇨🇿 CESNET}
			PTR	`golias.ruk.cuni.cz`
A	147.231.54.40^{🇨🇿 CESNET}
		PTR	`sun.cts.cuni.cz`

`cuni.cz`

	MX	`ag1.cesnet.cz`
	MX	`ag2.cesnet.cz`
	NS	`nsa.ces.net`
	NS	`cuce.ruk.cuni.cz`
	NS	`david.ruk.cuni.cz`
	NS	`golias.ruk.cuni.cz`
	A	2001:718:1e03:622::12 ^{🇨🇿 CESNET}
	A	195.113.89.35^{🇨🇿 CESNET}

rank #3061 globally
rank #4 in the tld
This domain name represents Charles University, which is a public university in Prague, Czech Republic. The abbreviation "cuni" stands for Charles University, derived from its Latin name "Universitas Carolina". The ".cz" part indicates that the institution is based in the Czech Republic. This domain is typically used for academic, research, and student services related to the university.

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AI analysis

cfb.cuni.cz points to a single IP: 147.231.54.40.

Other host names, for instance webmail.cts.cuni.cz, sun.cts.cuni.cz and cts.cuni.cz share IP numbers with cfb.cuni.cz.

cfb.cuni.cz is delegated to three name servers: sun.cts.cuni.cz, david.ruk.cuni.cz and golias.ruk.cuni.cz.

cfb.cuni.cz partially shares name servers with other domains; examples include albertus.cz, cestina.cz, universitascarolina.cz, 39.113.195.in-addr.arpa and 44.113.195.in-addr.arpa.

These name servers are commonly used alongside cuce.ruk.cuni.cz, dec52.lf1.cuni.cz, ruzenka.prf.cuni.cz, ns.ms.mff.cuni.cz, sns.ms.mff.cuni.cz, ns.n.mff.cuni.cz, ns2.troja.mff.cuni.cz, ns.troja.mff.cuni.cz, opv.natur.cuni.cz and pteryx.natur.cuni.cz.

Host names with two IP numbers:

sun.cts.cuni.cz points to 2001:718:1e03:300::40 and 147.231.54.40.

david.ruk.cuni.cz points to 2001:718:1203:502::2 and 78.128.213.242.

golias.ruk.cuni.cz points to 2001:718:1e03:1::2 and 195.113.0.2.

cfb.cuni.cz is handled by two mail servers: sun.cts.cuni.cz and golias.ruk.cuni.cz.

cfb.cuni.cz shares at least partially some mail servers with other domains, for instance cts.cuni.cz and wifi.ruk.cuni.cz.

These mail servers are often used with the mail servers dec59.ruk.cuni.cz.

dbq