Blacklist Checker

Check if an IP address or domain is listed on any of 60+ DNS-based blacklists (DNSBLs). Being blacklisted can cause email delivery issues.

You see 15 of 70 blacklist zones

With Pro you can check your IP and domain against all 60+ available blacklists.

Upgrade to Pro
Free trial usage: 3/3 actions left in the next 24 hours. Upgrade for unlimited

Check Blacklists

Enter an IPv4 address or domain name — type is detected automatically.

Automated Blacklist Monitoring

Set up automated monitoring for your IPs and domains. Premium plans are checked weekly, Enterprise plans daily.