1. Al Iverson's DNSBL Resource
The "Fiveten" Blacklist (blackholes.five-ten-sg.com) was a combination anti-spam blacklist run by Carl Byington, publishing under the name of "510 Software Group."
2. DNSBL Information - Spam Database Lookup
Welcome to DNSBL.info DNSBL Information provides a single place where you can check that status of your mail server's IP address on more than 100 DNS based blacklists.
3. dns.bd - robtex
dns.bd has one IP number (209.58.24.3). Ws.bd, info.bd, mil.bd, org.bd, edu.bd and at least nine other hosts use dns.bd as a name server....
4. DNSBL - Wikipedia, the free encyclopedia
A DNSBL (DNS-based Blackhole List, Block List, or Blacklist; see below) is a list of IP addresses published through the Internet Domain Name Service (DNS) either as a zone ...
5. DNS Providers Blacklist
DNS Providers Blacklist (DNS-bl) (not to be confused with dsbl.org. The DNS-bl is for use by DNS Providers, it is not for use as mail server spam blocker.
6. DNSBL Statistics
As the DNSBL Statistics Center hasn't been updated since 2008, I think it is safe to say that it is now a retired project, and as such, it has been removed.
7. SORBS (Spam and Open-Relay Blocking System)
The Spam and Open Relay Blocking System (SORBS) was conceived as an anti-spam project where a daemon would check "on-the-fly", all servers from which it received email to ...
8. DNSBL Information - Spam Database Lookup
Spam Database Lookup Results for The following are blacklist test results. Being listed with a DNSBL does not always indicate the IP address is a source of spam.
9. DNSBL definition of DNSBL in the Free Online Encyclopedia.
DNSBL (DNS BlackList or DNS Blackhole List) A system for identifying spammers based on their IP addresses. Most mail servers are able to query a DNSBL to determine if ...