CF1763399692667-tsm20251116095642

NSLIST.NET - mail.r4u.cz

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mail.r4u.cz checked at 2025-11-17T17:14:52.646Z 444ms 22/22/22 100% R:14 allDone:true timedOut:false

mail.r4u.cz

A195.250.138.90🇨🇿 QUANTCOM-AS
PTRmail.r4u.cz

r4u.cz

NSns1.websupport.cz
NSns2.websupport.cz
NSns3.websupport.eu
MXr4u-cz.mail.protection.outlook.com
A91.239.200.67🇨🇿 Blindspot

PTR for

Starts with same word

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AI analysis

mail.r4u.cz points to a single IP number: 195.250.138.90.

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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