Blacklist Lookup

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Blacklist Lookup – Check Your Domain and IP Against All Major Spam Blacklists

MerkSEO's Blacklist Lookup tool scans your domain or IP address against dozens of major spam blacklists in seconds. Instantly find out if your site has been flagged as malicious, spammy, or untrustworthy by any widely-used blacklist service.

Being listed on a spam blacklist can devastate your email deliverability and search engine visibility. Use our free Blacklist Lookup regularly to monitor your domain's reputation, resolve any listings quickly, and maintain the trust of both users and search engines.