Blacklist Lookup


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About Blacklist Lookup

ABOUT BLACKLIST CHECK

The blacklist check will test a mail server IP address against over 100 DNS based email blacklists. (Commonly called Realtime blacklist, DNSBL or RBL).  If your mail server has been blacklisted, some email you send may not be delivered.  Email blacklists are a common way of reducing spam.  If you don't know your mail server's address,

 

Check to see if an IP address is blacklisted with one of nearly seventy DNS based blacklists (DNSBL) in our database which identify sources of spam