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IP Blacklist Checker

Protect Your Website Today
Use this tool to check if your IP address is blacklisted: if your IP is listed in a third party blacklist database.

This tool checks nearly 100 DNS-based anti-spam databases. Most Internet Service Providers (ISPs), web hosts, and web servers routinely check these databases for IP addresses linked to computers that send out spam or unwanted activity.

Your IP address might have resulted in the blacklisted symbol () attached to one or more databases. It may be that at some point your IP address was flagged for some reason, and blocked by some servers. It could be that someone who was once assigned that IP address in the past was blacklisted.