SEO tools / Server, DNS and security

IP blacklist checker

Is a server's IP on spam blacklists (DNSBL)?

More server, dns and security tools

How to use the ip blacklist checker

Is a server's IP on spam blacklists (DNSBL)? Enter the IP address or domain above and press the button. Results appear on this page and you can share the link.

Visitors can run 30 checks a day. Create a free account for projects, site audits, rank tracking and saved keyword lists.