dnsbl
Query DNS-based blackhole lists
Query DNS-based blackhole lists
Node.js multi DNSBL/URIBL Lookup
DroneBL IP Address Lookup
SpamCop IP Address Lookup
BarracudaCentral IP Address Lookup
Doorkeeper middleware with custom filters and DNSBL lookup.
IPv4 reputation toolkit, developed for use on Node.JS / IO.JS infosec related projects.
Query DNS-based blackhole lists