Detection method
Daily domain names registration lists are downloaded and analyzed with a homemade tool, which detect some keywords and indicators. All results are checked and hand-validated before submission.
Automatic integration (AdGuard / PiHole / …)
You can automaticaly download data in raw text files here.
There are 2 types of files:
red.flag.domains.txt (all domains from all TLDs)
red.flag.domains_«tld».txt (all domains for this TLD, ie: red.flag.domains_fr.txt)
There are also formatted files for direct integration in some security solutions:
PiHole formatted files folder: https://dl.red.flag.domains/pihole/
AdGuard formatted files folder: https://dl.red.flag.domains/adguard/
Linux code snippets
How to download the full file, with wget or curl:
wget https://dl.red.flag.domains/red.flag.domains.txt
curl -O https://dl.red.flag.domains/red.flag.domains.txt
How to remove the header (last update):
sed -i '1d' red.flag.domains.txt