This test will check a mail server IP address against 147 DNS based email blacklists. (Commonly called Realtime blacklist, DNSBL or RBL). If your mail server has been blacklisted, some emails you send may not be delivered. Therefore, it’s important to keep yourself aware of the same.

To find out whether the IP address is blacklisted or not, click this link.

Leave a Reply

Your email address will not be published. Required fields are marked *