it's all open source.
you can edit the hosts file and the cold turkey config yourself.
if you open them in a notepad you will see what they block and allow.
the DNS client is on Github and it's been developed actively for like 5+ years, based on the best anti-pron DNS on the internet.
also it's all free. you're free to try it or to ignore.
but remember: innocent until proven guilty.
it's all open source. you can edit the hosts file and the cold turkey config yourself. if you open them in a notepad you will see what they block and allow. the DNS client is on Github and it's been developed actively for like 5+ years, based on the best anti-pron DNS on the internet.
also it's all free. you're free to try it or to ignore. but remember: innocent until proven guilty.
https://rentry.org/FreeLife
all the best!