I needed a way to redirect charm.catskull.net to an absolute URL path such as https://subdomain.site.com/path/to/page/index.html. I am a DNS noob and was surprised to learn this isn’t possible through DNS alone. You can set a CNAME record to point the subdomain to another (sub)domain, but it’s not an arbitrary URL value. I don’t know why.
Last March, I released my first experiment in post-centralized social media called “Likes”. The idea was simple: an image you can click to leave a Like on the page: