The list of RBLs we monitor at any one time can vary, as RBLs come and go on a regular basis. Our base list of RBLs are chosen for their reliability, and their overall confidence in the community.

That being said, just because we don’t include an RBL on our default list, doesn’t mean you can’t use it.

All RBLTracker paid accounts come with the ability to add as many custom RBLs to you account as you would like. If we don’t currently offer an RBL that you’d like to use- no problem- just add it via our Portal.

Our current list of monitored RBLs:

RBLs (IPv4)

RBLs (IPv6)


Safe Browsing Databases

Google SafeBrowsing
Yandex SafeBrowsing

Premium Data Sources

Facebook Threat Exchange – IP Addresses and Domains
PhishTank Anti-Phishing – IP Addresses and Domains
Project Honey Pot
Talos Intelligence (By Cisco)

DNS Security Filters

CleanBrowsing Adult
CleanBrowsing Family
CleanBrowsing Security
Comodo Secure DNS
Neustar Business
Neustar Family
Neustar Threat
OpenDNS FamilyShield
Yandex Family
Yandex Safe