If anyone's wondering which are the "High-risk TLDs" blocked in the "zero" filter: CF, CG, GA, GQ, ML, TK, TOP, WIN (right now, i guess it may change any time) The "kids" filter blocks the same TLDs, so it allows XXX or PORN, i guess they just block individual 2nd level domains. I just looped through IANA's TLD list with a simple script to get this. The resolver returns NXDOMAIN with "negative-caching.dns0.eu." SOA f…
They've blocked UNICEF's link shortener: https://uni.cf