MXLIST.NET - sip.mff.cuni.cz

Search for IP or hostnames:

sip.mff.cuni.cz checked at 2025-10-14T00:27:16.022Z 503ms 88/88/88 100% R:11

`sip.mff.cuni.cz`

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`
MX	`smtp2.ms.mff.cuni.cz`
		A	2001:718:1e03:801::5 ^{🇨🇿 CESNET}
			PTR	`smtp2.ms.mff.cuni.cz`
		A	195.113.20.5^{🇨🇿 CESNET}
			PTR	`smtp2.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}

`mff.cuni.cz`

	NS	`david.ruk.cuni.cz`
	NS	`golias.ruk.cuni.cz`
	NS	`ns.ms.mff.cuni.cz`
	MX	`smtp1.ms.mff.cuni.cz`
	MX	`smtp2.ms.mff.cuni.cz`
	NS	`sns.ms.mff.cuni.cz`
	NS	`ns.n.mff.cuni.cz`
	A	195.113.27.222^{🇨🇿 CESNET}

Up

troja-nat.sip.mff.cuni.cz

karlin-m.sip.mff.cuni.cz

troja-alix.sip.mff.cuni.cz

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AI analysis

sip.mff.cuni.cz is a parent of troja-nat.sip.mff.cuni.cz, karlin-m.sip.mff.cuni.cz and troja-alix.sip.mff.cuni.cz.

sip.mff.cuni.cz is delegated to three name servers: ns.ms.mff.cuni.cz, sns.ms.mff.cuni.cz and ns.n.mff.cuni.cz.

sip.mff.cuni.cz partially shares name servers with other domains; examples include pasnet.cz, projekty.ms.mff.cuni.cz, ktiml.mff.cuni.cz, d3s.mff.cuni.cz and robotomie.cz.

These name servers commonly accompany david.ruk.cuni.cz, golias.ruk.cuni.cz, kudykam.ms.mff.cuni.cz and akamas.n.mff.cuni.cz.

Two IPs for a host:

ns.n.mff.cuni.cz points to 2001:718:1e03:e01::2 and 195.113.16.2.

One IP per host:

ns.ms.mff.cuni.cz points to 195.113.20.71.

sns.ms.mff.cuni.cz points to 195.113.20.77.

sip.mff.cuni.cz is handled by two mail servers: smtp1.ms.mff.cuni.cz and smtp2.ms.mff.cuni.cz.

sip.mff.cuni.cz has the same mail server setup as other domains, including dzungle.ms.mff.cuni.cz, mbox.ms.mff.cuni.cz, gamedev.cuni.cz, popelka.ms.mff.cuni.cz and braille.mff.cuni.cz.

sip.mff.cuni.cz shares some mail servers with other domains, at least partially, such as freebsd.cz, ns.ms.mff.cuni.cz, dual.ms.mff.cuni.cz, n.mff.cuni.cz and kolej.mff.cuni.cz.

These mail servers are often used with www.freebsd.cz, smtp.n.mff.cuni.cz, amis.mff.cuni.cz and ns.obluda.cz.

Host names with two IP numbers:

smtp1.ms.mff.cuni.cz points to: 2001:718:1e03:801::4 and 195.113.20.4

smtp2.ms.mff.cuni.cz points to: 2001:718:1e03:801::5 and 195.113.20.5

dbq