MXLIST.NET - rt.cesnet.cz

Search for IP or hostnames:

rt.cesnet.cz checked at 2025-10-22T20:00:54.963Z 416ms 66/66/66 100% R:21

`rt.cesnet.cz`

MX	`ag1.cesnet.cz`
		A	2001:718:ff05:208::94 ^{🇨🇿 CESNET}
			PTR	`ag1.cesnet.cz`
		A	78.128.247.94^{🇨🇿 CESNET}
			PTR	`ag1.cesnet.cz`
MX	`ag2.cesnet.cz`
		A	2001:718:ff05:10b::245 ^{🇨🇿 CESNET}
			PTR	`ag2.cesnet.cz`
		A	78.128.248.245^{🇨🇿 CESNET}
			PTR	`ag2.cesnet.cz`
A	2001:718:ff05:202::21 ^{🇨🇿 CESNET}
		PTR	`rt.cesnet.cz`
A	78.128.216.21^{🇨🇿 CESNET}
		PTR	`rt.cesnet.cz`

`cesnet.cz`

	MX	`ag1.cesnet.cz`
	MX	`ag2.cesnet.cz`
	NS	`nsa.cesnet.cz`
	NS	`nsa.ten.cz`
	NS	`decsys.vsb.cz`
	NS	`nsa.ces.net`
	A	2001:718:ff05:108::93 ^{🇨🇿 CESNET}
	A	78.128.246.93^{🇨🇿 CESNET}

rank #100561 globally
rank #390 in the tld

PTR for

1.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.2.0.5.0.f.f.8.1.7.0.1.0.0.2.ip6.arpa

21.216.128.78.in-addr.arpa

Starts with same word

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AI analysis

rt.cesnet.cz resolves to two IP numbers: 2001:718:ff05:202::21 and 78.128.216.21.

rt.cesnet.cz is served by two mail servers: ag1.cesnet.cz and ag2.cesnet.cz.

rt.cesnet.cz shares the mail server setup with other domains, for example cupress.cuni.cz, wikisofia.cz, nukib.gov.cz, ipm.cz and ipv6.cz.

rt.cesnet.cz shares some mail servers with other domains, at least partially; for instance brana.mustribro.cz, ddm.nmnm.cz, vetuni.cz, izsol.cz and thsbp.cas.cz.

these mail servers are often used with mx2.cesnet.cz, mx.cesnet.cz, mta2.zzsmsk.cz, mta.zzsmsk.cz and mail.mustribro.cz.

Host names with two IP numbers:

ag1.cesnet.cz points to: 2001:718:ff05:208::94 and 78.128.247.94; ag2.cesnet.cz points to: 2001:718:ff05:10b::245 and 78.128.248.245.

dbq