CF1763750766183-tsm20251116095642

IPLIST.NET - open4.support

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open4.support checked at 2025-11-21T18:46:06.142Z 1086ms 68/68/68 100% R:8 allDone:true timedOut:false

AI analysis

open4.support is the parent of mail.open4.support.

open4.support resolves to one IP number: 213.193.232.206.

other host names including 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 at least partially shares name servers with other domains, for instance ardol.eu, eipa.nl, eipalab.eu, progressix.net and o4sfileshare.com.

these name servers are often used together with a.ns.progressix.net, ns0.o4s.nl, nsauth1.o4s.nl and ns1.trans-it.nl.

Host names with one IP number: nsauth1.truezuid.nl points to 91.208.229.6; nsauth2.truezuid.nl points to 91.208.229.72; nsauth3.truezuid.nl points to 91.208.229.22.

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

mail.open4.support resolves to 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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