CF1759960827264-tsm20251008212832

WWW.ROBTEX.COM - open-up.cz

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open-up.cz checked at 2025-10-08T22:00:27.248Z 500ms 98/98/98 100% R:20

AI analysis

open-up.cz is a parent of mail.open-up.cz.

open-up.cz points to a single IP number: 139.162.158.37.

Other host names, for instance www.ceag.cz, s8.upgates.com, aku.cz, acolor.cz and sals.cz share IP numbers with open-up.cz.

Delegation for open-up.cz rests with two name servers, ns2.web4u.cz and ns.web4u.cz.

open-up.cz shares the same name server setup as other domains, including hudus.net, freestylearea.cz, prama.cz, xyb.cz and mcare.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.

open-up.cz is handled by a single mail server, mail.open-up.cz.

mail.open-up.cz points to a single IP: 77.78.106.91.

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

yCPPRJG CF johedugfp 2025-10-08