s5h.net RBL
www.usenix.org.uk/content/rbl.html
A collated list of all sources and attack vectors that have sent spam to the operator's own servers. Covers both IPv4 and IPv6 and is described as fully RFC 5782 compliant; DNS TTLs are 5 seconds so changes propagate quickly.
Technical Details
We are unable to remove you from any blacklist. You need to visit the blacklist directly for removal.
If any information concerning this DNSBL is incorrect, missing, or out of date, please contact us.
