Domain Blacklist Checker

Description & Example

This tool checks whether a domain’s IP address appears on common spam or security blacklists. When you enter a domain name (for example, example.com), the tool resolves its IP address and queries several DNS-based blacklists. The results are displayed in two sections:

• Overall Result: A summary indicating the domain, its IP address, and which DNSBLs (if any) have flagged it.
• DNSBL Check Details: A detailed list showing the result of each DNSBL query.

For instance, if you enter example.com and its IP (93.184.216.34) is flagged on Spamhaus and Barracuda, the tool might output:

And the detailed results might list: