The most safe way to accomplish what you want is using postal pigeons, made stealthy with black spray paint.

All jokes aside, an educated guess on what to trust (or not) is necessary. Otherwise you wind up on a slippery slope that goes in circles and always results in 'we need more laws'.

Long way to say that I think 'owning' a domain name and publishing on there is way better than the silos we're accustomed to nowadays. The open web never stopped working as intended, the genie is out of the bottle for 30+ years yet, make use of it if you want.