CF1763356000112-tsm20251116095642

DNSWHOIS.INFO - smtp.dslone.cz

Search for IP or hostnames:

smtp.dslone.cz checked at 2025-11-17T05:06:40.018Z 906ms 40/40/40 100% R:9 allDone:true timedOut:false

smtp.dslone.cz

A2a02:970:1::ea5 🇨🇿 Sys-DataCom s.r.o.
PTRsmtp.sys-data.com
PTRsmtp.brouzdej.net
A2a02:970:1::ea11 🇨🇿 Sys-DataCom s.r.o.
PTRsmtp.sys-data.com
PTRsmtp.brouzdej.net
A79.98.72.5🇨🇿 Sys-DataCom s.r.o.
PTRsmtp.sys-data.com
PTRsmtp.brouzdej.net
A79.98.72.11🇨🇿 Sys-DataCom s.r.o.
PTRsmtp.sys-data.com
PTRsmtp.brouzdej.net

dslone.cz

MXmail1.grapesc.cz
NSns1.grapesc.cz
NSns2.grapesc.cz
A93.91.154.4🇨🇿 ISP Alliance

Starts with same word

Starts similarily

AI analysis

smtp.dslone.cz resolves to four IPs: 2a02:970:1::ea5, 2a02:970:1::ea11, 79.98.72.5 and 79.98.72.11.

Other host names, for instance smtpout.sys-data.com, mail.sys-data.com, smtpout.brouzdej.net, smtp.bajecny.net and mail.epd-pa.cz share IP numbers with smtp.dslone.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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