Free DNS Blacklist Checker Tool

Are you concerned about your IP address reputation? Use our Free DNS Blacklist Checking Tool to ensure your IP address is not flagged on any DNS Blacklists. This quick and easy-to-use tool helps maintain your network’s integrity and email deliverability.

How do DNS Blacklists affect you?

DNS Blacklists (DNSBLs) are used by email servers to filter out IPs known for sending spam or malicious content. Being listed can severely impact your email delivery success and reputation. Our tool helps you stay proactive in managing your IP’s health.

Benefits of Regular DNS Blacklist Checks:

Avoid Email Rejection: Regular checks help ensure your emails reach their intended recipients.
Network Security: Identifying and addressing listings can be a step towards enhancing network security.
Reputation Management: Maintain a positive IP reputation for uninterrupted business operations.

How many DNS Blacklists do we check against?

We check against all lists in the DNSBL.info database.