CF1760554920541-tsm20251015174050

WWW.ROBTEX.COM - builder.cz

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builder.cz checked at 2025-10-15T19:02:00.516Z 374ms 98/98/98 100% R:13

builder.cz

MXmail.builder.cz
A81.91.84.134🇨🇿 WEB4U
PTRm105.server4u.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
A81.91.84.189🇨🇿 WEB4U
PTRwm103.web-media.cz

cz

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

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AI analysis

builder.cz is a parent of mail.builder.cz.

builder.cz points to a single IP address: 81.91.84.189.

Other host names such as arten.cz, grafika.cz, mail.osapo.com, aliaz.cz and wm103.web-media.cz share IP numbers with builder.cz.

builder.cz is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.

builder.cz uses the same name server setup as other domains, including ikite.cz, moluft.com, votice.eu, eumedical.eu and sckolin.cz.

Host names with two IP numbers:

ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12.

ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.

The mail server for builder.cz is mail.builder.cz.

Host mail.builder.cz points to IP 81.91.84.134.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

LfQSMTR CF johedugfp 2025-10-15