CF1763545747439-tsm20251116095642

MXLIST.NET - smtp.status.cz

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smtp.status.cz checked at 2025-11-19T09:49:07.417Z 242ms 28/28/28 100% R:13 allDone:true timedOut:false

smtp.status.cz

A81.91.87.11🇨🇿 WEB4U
PTRsmtp.web4u.cz

status.cz

NSns2.web4u.cz
NSns.web4u.cz
MXmx1.mailchannels.net
MXmx2.mailchannels.net
A2a02:c207:2042:5076::1 🇩🇪 CONTABO
A173.249.34.39🇩🇪 CONTABO

Starts with same word

Starts similarily

AI analysis

smtp.status.cz resolves to one IP number: 81.91.87.11.

other host names including smtp.web4u.cz, smtp4u.atas.cz, smtp.bayercropscience.cz, smtp.jgolem.cz and smtp.year2100.eu share IP numbers with smtp.status.cz.

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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