olemus
= must nimekiri (1a): publitseeritav loetelu spämmivatest IP-aadressidest; saab kasutada spämmi filtreerimiseks
= a blacklist of locations on the Internet reputed to send spam

ülevaateid
https://www.techopedia.com/definition/25294/real-time-blackhole-list-rbl
https://en.wikipedia.org/wiki/Domain_Name_System-based_blocklist
https://www.ionos.com/digitalguide/server/know-how/dnsbl/
https://www.networxsecurity.org/members-area/glossary/r/real-time-blackhole-list.html

näiteid
http://netwinsite.com/surgemail/help/rbl.htm
https://www.usenix.org/legacy/publications/library/proceedings/usenix03/tech/freenix03/full_papers/paganini/paganini_html/node8.html

vt ka
- IP-aadresside must nimekiri