DNS blocklists (DNSBLs, also called RBLs) publish IP addresses seen sending spam, and receiving servers consult them on every connection. This check queries the major lists for an IP address and shows which ones list it, so you know whether a listing explains bounced or junk-foldered mail and which operator to ask for delisting.
See it in Action
A Blacklist IP Checker helps you determine if your IP address is listed on any blacklists that could affect your email deliverability.
IP addresses may be blacklisted for reasons such as sending spam or having compromised security, impacting your email reputation.
Enter your IP address and click 'Check Now' to get an instant status report from multiple blacklist databases.
Regular checks are recommended, especially if you encounter email delivery issues or suspect a problem with your IP reputation.
Review the report for details and follow the suggested actions to resolve the issue, which may involve securing your IP or contacting the blacklist provider.
Yes, follow the blacklist provider’s instructions to address the issue and request removal.
Delisting times vary from a few hours to several days depending on the provider. Follow the guidelines to speed up the process.
It checks a broad range of major blacklists but may not include every single one. Regular use and additional monitoring can provide comprehensive results.
Yes, it’s free and available for unlimited checks.
Ensure you follow best email practices, secure your servers, and keep your email lists clean to maintain a good IP reputation.
Emails Analyzed
0DMARC Reports Processed
0Sending Sources Checked
0Domains Scanned
0
‘yourDMARC secures emails, saves our time. Our small healthcare practice struggled with email security. yourDMARC's DMARC/DKIM combo and real-time alerts are a lifesaver! HIPAA compliance is a breeze now, and their support team is top-notch. ‘
“yourDMARC responds quickly to the needs of our business. I've worked with many companies and what is most impressive and unique about yourDMARC is their ability to act as a true partner with aligned interests and not just one party to a transitional relationship. ”
Nick Kitchin CEO at Cumulus Energy Storage
Discover more about yourDMARC and quickly book a demo with our sales representatives.
Explore our flexible plans and pricing to find the perfect email security solution for your business today.
Explore our latest blogs for expert insights on spoofing prevention and email compliance best practices.
© 2026 yourDMARC
Download to read the eBook
