WWW.RTSAK.COM - cesnet.cz
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cesnet.cz checked at 2025-10-02T02:15:03.807Z 642ms 119/119/119 100% R:20cesnet.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 | ||||||
| NS | nsa.cesnet.cz | ||||||
| A | 2001:718:1:101::144:228 🇨🇿 CESNET | ||||||
| PTR | nsa.cesnet.cz | ||||||
| A | 195.113.144.228🇨🇿 CESNET | ||||||
| PTR | nsa.cesnet.cz | ||||||
| NS | nsa.ten.cz | ||||||
| A | 2a02:4a8:ac24:115::101:67 🇨🇿 ACTIVE 24 | ||||||
| PTR | nsa.ten.cz | ||||||
| A | 81.95.101.67🇨🇿 ACTIVE 24 | ||||||
| PTR | nsa.ten.cz | ||||||
| NS | decsys.vsb.cz | ||||||
| A | 2001:718:1001:149::9 🇨🇿 CESNET | ||||||
| PTR | decsys.vsb.cz | ||||||
| A | 158.196.149.9🇨🇿 CESNET | ||||||
| PTR | decsys.vsb.cz | ||||||
| NS | nsa.ces.net | ||||||
| A | 2001:718:1:1::144:205 🇨🇿 CESNET | ||||||
| PTR | nsa.ces.net | ||||||
| A | 195.113.144.205🇨🇿 CESNET | ||||||
| PTR | nsa.ces.net | ||||||
| A | 2001:718:ff05:108::93 🇨🇿 CESNET | ||||||
| PTR | www.cesnet.cz | ||||||
| A | 78.128.246.93🇨🇿 CESNET | ||||||
| PTR | www.cesnet.cz | ||||||
cz
| NS | a.ns.nic.cz | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
rank #390 in the tld
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Starts with same word
Starts similarily
AI analysis
cesnet.cz is a parent of r143-zl.cesnet.cz, r94-r58-voipgw.cesnet.cz, eduroam-simple-163.cesnet.cz, equinox.cesnet.cz, eduroam-simple-137.cesnet.cz and hundreds of other host names.
cesnet.cz resolves to two IP numbers: 2001:718:ff05:108::93 and 78.128.246.93.
Other host names, such as www.cesnet.cz, share IP numbers with cesnet.cz.
cesnet.cz's delegation is handled by four name servers: nsa.cesnet.cz, nsa.ten.cz, decsys.vsb.cz and nsa.ces.net.
cesnet.cz partially shares name servers with other domains; examples include 218.128.78.in-addr.arpa, webk.cz, 115.113.195.in-addr.arpa, 195.153.185.in-addr.arpa and 190.113.195.in-addr.arpa.
These name servers are commonly used alongside ns1.slu.cz, ns2.slu.cz, ns1.cro.cz, ns2.cro.cz, ns.muni.cz, albert.osu.cz, oudec.osu.cz, sun.utb.cz, ns-01.fel.cvut.cz and ns-02.fel.cvut.cz.
Host names with two IPs:
nsa.cesnet.cz points to 2001:718:1:101::144:228 and 195.113.144.228
nsa.ten.cz points to 2a02:4a8:ac24:115::101:67 and 81.95.101.67
decsys.vsb.cz points to 2001:718:1001:149::9 and 158.196.149.9
nsa.ces.net points to 2001:718:1:1::144:205 and 195.113.144.205
cesnet.cz is handled by two mail servers: ag1.cesnet.cz and ag2.cesnet.cz.
cesnet.cz has the same mail server setup as other domains, including koleje.cuni.cz, linuxdays.org, netopeer.org, cesnet2.cz and cucc.ruk.cuni.cz.
cesnet.cz shares some mail servers with other domains, at least partially, such as izsol.cz, pardubice.eu, vfu.cz, zzsmsk.cz and zachranka-msk.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:
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