check_rbl is a Nagios plugin to check if an SMTP server is blacklisted

Async dnsbl spam lists checker based on asyncio/aiodns.

Prometheus compatible exporter to query DNSBLs/RBLs.

Lookup file hashes, domain names and IP addresses using various vendors to assist with triaging potential threats.

Go library for RBL (Real-time Blackhole List) lookups

A complete, more than an RBL Management System

Query DNS-based blackhole lists

collection of scripts for harvesting & testing proxies

DNSBL checker written in Go

Protect your IP addresses from blacklists and abuse

Hackjob of a script to block packets going to UCEProtect "protected" mail servers.

RBL check script is use to check IP is blacklisted on the list of DNSBL Servers...

Bash script that validates an IP or domain's standing against a list of known Realtime Blackhole List (RBL)

v1.2-BETA

Mikrotik IP Reputation Threats Firewall

rblcheck

Blacklist (RBL) and IP / domain checker and details scraper

Quick-and-dirty(tm) Python script to check a set of IPv4 addresses against known RBLs

Watches journal and drops IP packets using regexp, dnsrbl, nftables, and sqlite. Similar to fail2ban.