Mail Server Blacklist Checker

Check if your mail server IP or domain is listed on major DNS blacklists. Get instant results from 25 blacklist databases.

Disclaimer

This tool is provided for informational purposes only. Results are based on public DNS blacklist queries performed in real-time. We do not guarantee the accuracy, completeness, or timeliness of the information provided. Blacklist statuses can change frequently, and some blacklists may be temporarily unavailable. This service is intended for occasional use to check your own mail server or domain. For high-volume or commercial monitoring needs, please consult with the individual blacklist providers directly.

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