CF1763509719173-tsm20251116095642

WWW.RTSAK.COM - open4.support

Search for IP or hostnames:

open4.support checked at 2025-11-18T23:48:39.126Z 3014ms 68/68/68 100% R:16 allDone:true timedOut:false

AI analysis

The parent of mail.open4.support is open4.support.

open4.support points to a single IP: 213.193.232.206.

Other host names, for instance vorkmeer.nl, hostfx.eu, tbaarts.nl, o4scloud.com and truezuid.nl share IP numbers with open4.support.

open4.support is delegated to three name servers: nsauth1.truezuid.nl, nsauth2.truezuid.nl and nsauth3.truezuid.nl.

open4.support partially shares name servers with other domains; examples include ardol.eu, eipa.nl, eipalab.eu, progressix.net and o4sfileshare.com.

These name servers commonly accompany a.ns.progressix.net, ns0.o4s.nl, nsauth1.o4s.nl and ns1.trans-it.nl.

Host names with one IP number:

Host nsauth1.truezuid.nl points to 91.208.229.6.

Host nsauth2.truezuid.nl points to 91.208.229.72.

Host nsauth3.truezuid.nl points to 91.208.229.22.

open4.support is handled by a single mail server, mail.open4.support.

mail.open4.support points to a single IP: 127.0.0.1.

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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