🛡️ Make your web services secure by default !

A comprehensive, high-quality URL shorteners domain list for whitelist/allowlist or blacklist/blocklist purposes, utilized by NextDNS, ControlD, RethinkDNS, dnslow.me, and other OSINT projects.

Async dnsbl spam lists checker based on asyncio/aiodns.

Malicious URLs identified by scanning various public URL sources using the Google Safe Browsing API (over 6 billion URLs scanned daily)

ThunderSec is a security plugin for Mozilla Thunderbird that creates several pieces of additional security functionality, including DNSBL, RBL, SURBL, DKIM and SPF.

YOURLS plugin: antispam plugin. Checks URL against major DNS black lists and removes all crap.

Prometheus compatible exporter to query DNSBLs/RBLs.

Machine-readable .txt blocklist of scam URLs and IP Addresses from the Global Anti Scam Organization (https://www.globalantiscam.org) website, updated once a day.

Archive copy of Stan Hoeppner's Postfix PCRE bot spam killer (fqrdns.pcre)

A complete, more than an RBL Management System

Query DNS-based blackhole lists

Checks if the given IP address(es) are listed at the given dnsrbl provider(s).

Generate malicious URL blocklists for DNSBL applications like pfBlockerNG or Pi-hole by scanning various public URL sources using the Safe Browsing API from Google and/or Yandex.

collection of scripts for harvesting & testing proxies

URL feed for blocking spamdexing websites. Let's banish them to the rubbish bin where they belong!

DNSBL checker written in Go

Protect your IP addresses from blacklists and abuse

gaw.sh url shortener

DNSBL Lookup

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