Leonardo from SPFBL shared the following information with me and I thought it would be useful to share it here with folks.
All about DNSBLs, aka blocklists/blacklists // Since 2001 // Published by Al Iverson
| Thanks for visiting! Remember that nowadays, (most) blocklists don't really govern deliverability and inbox placement. Want to learn more about email marketing best practices, email technology, and deliverability troubleshooting? Then you'll want to check out my other site, Spam Resource. |
Status of bad.psky.me: QUESTIONABLE
Noted and respected spam filterer Spamhaus is indicating that they believe the the Protected Sky (bad.psky.me) blocklist is "fraudulent." They report that Protected Sky is "an anonymously-run DNSBL service which was pirating [Spamhaus] data and republishing it as its own work." Spamhaus further indicates that Protected Sky doesn't follow DNSBL best practices as indicated in RFC6471.
Status of anonwhois.org: DEAD
I first blogged about the ANONWHOIS blocking list back in 2010. It was very useful to identify domains were ownership information was cloaked from the public. Why? Because many of us in the anti-spam and security community think that for a domain being used for commercial purposes, it isn't right to hide who the owner is. And this obstruction to transparency is often exploited by bad guys who send spam and malware, to try to make it harder to identify them.
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