CF1758089616374-tsm20250915222102

WWW.RTSAK.COM - sky-net.cz

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sky-net.cz checked at 2025-09-17T06:13:36.329Z 204ms 78/78/78 100% R:14

sky-net.cz

MXmx.web4u.cz
A2001:1568::7012 🇨🇿 WEB4U
PTRmx.web4u.cz
A81.91.87.12🇨🇿 WEB4U
PTRmx.web4u.cz
NSns2.web4u.cz
A2a02:a40:100:28ff::12 🇨🇿 Radiokomunikace
PTRns2.web4u.cz
A85.207.53.12🇨🇿 Radiokomunikace
PTRns2.web4u.cz
NSns.web4u.cz
A2001:1568:fd::241 🇨🇿 WEB4U
PTRns.web4u.cz
A185.14.224.241🇨🇿 WEB4U
PTRns.web4u.cz
A81.91.86.11🇨🇿 WEB4U
PTRphp5.web4u.cz

cz

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

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Starts with same word

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AI analysis

sky-net.cz is the parent of mail.sky-net.cz.

sky-net.cz resolves to one IP number: 81.91.86.11.

other host names including mx.no-by.cz, pater.cz, kos.eko-program.cz, rayfilm.pl and restaf.cz share IP numbers with sky-net.cz.

sky-net.cz is delegated to two name servers ns2.web4u.cz and ns.web4u.cz.

sky-net.cz shares the same name server setup as other domains, for instance motortex.cz, barp.cz, pclekar.eu, foxlink.cz and bigle.cz.

Host names with two IP numbers:

The host name ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12; the host name ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.

sky-net.cz is handled by a single mail server, mx.web4u.cz.

sky-net.cz shares the same mail server setup as other domains, for instance cartax.cz, aa-vet.cz, 1-bank.eu, tronic.tv and ford-club.cz.

sky-net.cz shares some mail servers with other domains, at least partially, for example ixio.cz and sakala.cz.

mx.web4u.cz resolves to two IP numbers: 2001:1568::7012 and 81.91.87.12.

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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hsKNcIU CF johedugfp 2025-09-17