Thousands of servers are compromised every day and used for spam or scam campaigns. Check your reputation in 30 seconds.
An outdated cPanel, aaPanel, or Plesk leaves the door open to attackers.
A weak or reused password lets a bot take control of email sending.
A malicious script silently turns your server into a spam relay.
Your legitimate emails stop arriving. Your host suspends your account. You find out too late.
Blacklist databases like Spamhaus, SpamCop, and Barracuda track in real time the IP addresses used to send malicious emails. Once listed, your transactional emails (orders, invoices, password resets) stop being delivered.
Missing SPF and DMARC records let anyone send emails impersonating you — exactly what happens in sextortion scams and targeted phishing campaigns.
This checker queries 6 DNS blacklist databases in real time, without storing your data. If an issue is detected, our team can audit and secure your infrastructure.