WWW.ROBTEX.COM - spamfilter02.system4u.com
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spamfilter02.system4u.com checked at 2025-10-09T11:14:40.043Z 415ms 31/31/31 100% R:10spamfilter02.system4u.com
| A | 81.31.37.87🇨🇿 MasterDC | ||||||
| PTR | 60.gate4u.system4u.cz | ||||||
system4u.com
| NS | quentin.ns.cloudflare.com | ||||||
| NS | thea.ns.cloudflare.com | ||||||
| MX | system4u-com.mail.protection.outlook.com | ||||||
| A | 37.9.175.165🇸🇰 Websupport | ||||||
AI analysis
spamfilter02.system4u.com points to a single IP: 81.31.37.87.
Other host names, for instance 60gate4u.system4u.cz, share IP numbers with spamfilter02.system4u.com.
dbq