DNSWHOIS.INFO - cz.freebsd.org

Search for IP or hostnames:

cz.freebsd.org checked at 2025-09-14T03:10:02.916Z 1054ms 89/89/89 100% R:24

`cz.freebsd.org`

MX	`www.freebsd.cz`
		A	2001:718:1e03:801::6 ^{🇨🇿 CESNET}
			PTR	`www.freebsd.cz`
		A	195.113.15.29^{🇨🇿 CESNET}
NS	`ns.ms.mff.cuni.cz`
		A	195.113.20.71^{🇨🇿 CESNET}
			PTR	`ns.ms.mff.cuni.cz`
MX	`smtp1.ms.mff.cuni.cz`
		A	2001:718:1e03:801::4 ^{🇨🇿 CESNET}
			PTR	`smtp1.ms.mff.cuni.cz`
		A	195.113.20.4^{🇨🇿 CESNET}
			PTR	`smtp1.ms.mff.cuni.cz`
NS	`sns.ms.mff.cuni.cz`
		A	195.113.20.77^{🇨🇿 CESNET}
			PTR	`sns.ms.mff.cuni.cz`
NS	`ns.n.mff.cuni.cz`
		A	2001:718:1e03:e01::2 ^{🇨🇿 CESNET}
			PTR	`ns.n.mff.cuni.cz`
		A	195.113.16.2^{🇨🇿 CESNET}

`freebsd.org`

	NS	`ns3.he.net`
	NS	`ns4.he.net`
	NS	`ns5.he.net`
	MX	`mx1.freebsd.org`
	MX	`mx66.freebsd.org`
	NS	`ns1.freebsd.org`
	NS	`ns2.freebsd.org`
	A	2610:1c1:1:606c::50:15 ^{🇺🇸 NYI}
	A	96.47.72.84^{🇺🇸 NYI}

rank #519 globally
rank #60 in the tld
This domain name represents the official website of the FreeBSD Project, which is an advanced operating system for a variety of platforms. It offers advanced networking, performance, security, and compatibility features, and provides a platform for building and running most Internet, server, and embedded systems. The FreeBSD project is an open-source community effort and its source code is freely available to anyone who wishes to use or contribute to it.

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AI analysis

Three name servers, ns.ms.mff.cuni.cz, sns.ms.mff.cuni.cz, and ns.n.mff.cuni.cz, are responsible for cz.freebsd.org.

The name servers of cz.freebsd.org are at least partially shared with other domains such as freebsd.cz, sip.mff.cuni.cz, nase-rotunda.cz, ufal.mff.cuni.cz, and 19.113.195.in-addr.arpa.

The name servers david.ruk.cuni.cz, golias.ruk.cuni.cz, kudykam.ms.mff.cuni.cz, and akamas.n.mff.cuni.cz are frequently utilized in conjunction.

ns.ms.mff.cuni.cz points to IP number: 195.113.20.71, sns.ms.mff.cuni.cz points to IP number: 195.113.20.77, and ns.n.mff.cuni.cz points to two IP numbers: 2001:718:1e03:e01::2 and 195.113.16.2.

Two mail servers, www.freebsd.cz and smtp1.ms.mff.cuni.cz, manage cz.freebsd.org.

Just like other domains such as freebsd.cz, cz.freebsd.org also has the same mail server setup.

Other domains such as sip.mff.cuni.cz, ns.ms.mff.cuni.cz, dual.ms.mff.cuni.cz, dzungle.ms.mff.cuni.cz, and mbox.ms.mff.cuni.cz share at least some mail servers with cz.freebsd.org.

The mail servers smtp2.ms.mff.cuni.cz, smtp.n.mff.cuni.cz, amis.mff.cuni.cz, and ns.obluda.cz are commonly utilized in conjunction.

www.freebsd.cz and smtp1.ms.mff.cuni.cz each point to two IP numbers: 2001:718:1e03:801::6 and 195.113.15.29 for www.freebsd.cz, and 2001:718:1e03:801::4 and 195.113.20.4 for smtp1.ms.mff.cuni.cz.

dbq