IP Address Blacklist Checker is a tool which scans a given IP address to a list of anti-spam databases called Domain Name System Blacklists (DNSBL) or Real-time Blackhole List (RBL). DNSBL or RBL database consists of IP addresses which have been flagged as spammy or have a history of sending spams. With the help of this tool you can check whether your IP address is listed in any of the databases below.

Interested to check whether your domain name is blacklisted or not? Check out our Domain Blacklist Checker tool.