Validity monitors a variety of different blocklists for its Certification program. Below you can find which blocklists are considered critical and significant as well as which Domain Blocklists (DBLs) Validity monitors.
- Critical lists: An IP address is suspended when it appears on one of the following critical blocklists:
- Composite Block List (CBL)
- RPBL
- Spamhaus Block List (SBL)
- Significant lists: An IP address is suspended when it appears on two of the following significant blocklists.
- LashBack
- Passive Spam Block List (PSBL)
- SpamCop Blocking List (SpamCop BL)
- InvaluementSIP
- InvaluementSIP/24
- Domain Blocklists (DBLs): A domain is suspended when it appears on one of the lists below with two or more different messages.
- SURBL URI Reputation data
- Spamhaus Domain Blocklist (DBL)
