WWW.RTSAK.COM - spamfilter01.system4u.cz
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spamfilter01.system4u.cz checked at 2025-10-30T07:57:58.408Z 1377ms 32/32/32 100% R:10spamfilter01.system4u.cz
| CNAME | 26gate4u.system4u.cz | ||||||
| A | 77.93.218.197🇨🇿 MasterDC | ||||||
| PTR | 26gate4u.system4u.cz | ||||||
system4u.cz
| NS | quentin.ns.cloudflare.com | ||||||
| NS | thea.ns.cloudflare.com | ||||||
| MX | system4u-cz.mail.protection.outlook.com | ||||||
| A | 37.9.175.163🇸🇰 Websupport | ||||||
MX for
AI analysis
spamfilter01.system4u.cz serves as the mail server for omegy.com, system4u.mobi, medispol.eu, omegy.cz and system4u.info.
Together with spamfilter01.system4u.cz, spamfilter02.system4u.cz is commonly used as a mail server.
spamfilter01.system4u.cz resolves to a single IP: 77.93.218.197.
Other host names share IP numbers with spamfilter01.system4u.cz; for instance 26gate4u.system4u.cz.
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