DNSBL
DNSBL is the acronym for Domain Name System-Based Blacklist.
Domain Name System-Based Blacklist
A service for the operation of mail servers to perform a check via a Domain Name System (DNS) query whether a sending host’s IP address is blacklisted for email spam. Also known as a Domain Name System-Based Blocklist black hole list, or Domain Name System-Based Blacklist.
- Abbreviation: DNSBL
- Source: DNSBL Check