CF1760086698147-tsm20251009080619

WWW.ROBTEX.COM - linuxdays.cz

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linuxdays.cz checked at 2025-10-10T08:58:18.128Z 424ms 169/169/169 100% R:19

linuxdays.cz

MXag1.cesnet.cz
A2001:718:ff05:208::94🇨🇿 CESNET
PTRag1.cesnet.cz
A78.128.247.94🇨🇿 CESNET
PTRag1.cesnet.cz
MXag2.cesnet.cz
A2001:718:ff05:10b::245🇨🇿 CESNET
PTRag2.cesnet.cz
A78.128.248.245🇨🇿 CESNET
PTRag2.cesnet.cz
NSns1.petrkrcmar.cz
A2a03:3b40:fe:50d::1🇨🇿 MasterDC
PTRvf.krcmarovi.cz
A37.205.10.41🇨🇿 MasterDC
PTRvf.krcmarovi.cz
NSns2.petrkrcmar.cz
A2a03:3b40:100::1:534🇨🇿 MasterDC
PTRns2.petrkrcmar.cz
A185.8.166.132🇨🇿 MasterDC
PTRns2.petrkrcmar.cz
NSflexi.oskarcz.net
A2001:1528:132:70::1🇨🇿 Casablanca INT a.s.
PTRflexi.oskarcz.net
A85.239.227.179🇨🇿 Casablanca INT a.s.
PTRflexi.oskarcz.net
A2a03:3b40:fe:39b::1🇨🇿 MasterDC
PTRwww.linuxdays.cz
A37.205.10.200🇨🇿 MasterDC
PTRwww.linuxdays.cz

cz

NSa.ns.nic.cz
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz

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AI analysis

www.linuxdays.cz has linuxdays.cz as its parent.

linuxdays.cz points to two IPs: 2a03:3b40:fe:39b::1 and 37.205.10.200.

Other host names such as linuxday.cz, linuxdays.eu, linuxdays.org and www.linuxdays.cz share IP numbers with linuxdays.cz.

linuxdays.cz is delegated to name servers ns1.petrkrcmar.cz, ns2.petrkrcmar.cz and flexi.oskarcz.net.

linuxdays.cz at least partially shares name servers with other domains such as linuxdays.eu, debian-linux.cz, nebezi.cz, petrkrcmar.cz and linuxdays.org.

these name servers are commonly used with the name servers auron.oskarcz.eu.

Host names with two IP numbers:

ns1.petrkrcmar.cz points to 2a03:3b40:fe:50d::1 and 37.205.10.41.

ns2.petrkrcmar.cz points to 2a03:3b40:100::1:534 and 185.8.166.132.

flexi.oskarcz.net points to 2001:1528:132:70::1 and 85.239.227.179.

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

linuxdays.cz shares the same mail server setup as other domains, including netopeer.org, cesnet2.cz, cucc.ruk.cuni.cz, slovackemuzeum.cz and ten.cz.

linuxdays.cz shares mail servers with other domains at least in part, for instance izsol.cz, pardubice.eu, vfu.cz, zzsmsk.cz and zachranka-msk.cz.

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

Host names with two IPs:

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.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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PxLCybb CF johedugfp 2025-10-10