CF1760521231562-tsm20251015074336

WWW.RTSAK.COM - online4u.eu

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online4u.eu checked at 2025-10-15T09:40:31.547Z 227ms 68/68/68 100% R:19

AI analysis

mail.online4u.eu has online4u.eu as its parent.

online4u.eu maps to IP address 81.91.85.130.

Other host names, for instance vs380.server4u.cz, svodice.cz, plentycash.cz, ftb.sk and finutea.cz share IP numbers with online4u.eu.

Two name servers ns2.web4u.cz and ns.web4u.cz are delegated to online4u.eu.

online4u.eu uses the same name server configuration as other domains, such as hradniduo.cz, hodr.cz, veska.info, archened.com and agroprojekce.cz.

Host names with two IPs:

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.

online4u.eu is handled by a single mail server, mail.online4u.eu.

mail.online4u.eu points to one IP number: 81.91.85.130.

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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