IPLIST.NET - rt.cesnet.cz

Search for IP or hostnames:

rt.cesnet.cz checked at 2025-10-05T08:55:13.308Z 388ms 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.

Two mail servers handle rt.cesnet.cz: ag1.cesnet.cz and ag2.cesnet.cz.

rt.cesnet.cz shares the same mail server setup as other domains, for instance cupress.cuni.cz, ipm.cz, ipv6.cz, mmp.cz and sch.cuni.cz.

rt.cesnet.cz shares some mail servers with other domains, at least partially, for instance vetuni.cz, izsol.cz, pardubice.eu, vfu.cz and zzsmsk.cz.

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

Host names with two IP numbers:

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

dbq