8 lists, ~820k domains in total (checked 2026-10-21). technitium keeps them in RAM, ~250 MB plus headroom while it updates, so a 1 GB vm works and 1.5 GB is comfier. set the update interval to 24h.
settings > blocking > allow / block list urls. paste the block as-is, lines starting with # are comments.
# oisd big: ads, trackers, malware, phishing. ~233k. "block. don't break."