DNSRBL is a Real-time Blackhole List (RBL) - Started in 2006, we store IP Addresses that are used to send unsolicited and undesired (Spam/Junk) mailings.
We have opened DNSRBL to the public and our list is available to use free of charge. To use DNSRBL set your mail server (RBL) to query dnsrbl.org, with the IP address in reverse order -- (188.8.131.52.dnsrbl.org).
Is your IP address listed? Learn more about our delisting process.