Works randomly at best.
Some sites I just get the same 'please disable your adblocker' message after the change. Some let me continue.
The internet is a lazy thing.
This is from a tech savvy person and won't change how things work but...
A correct domain name (FQDN=fully qualified domain name) will end with the dot at the end.
For whatever reason, it gets left out, probably just the browsers doing what they were told. Some of the sites it works on aren't savvy to the trick.
If you need something to help you sleep, here is a stimulating description.