Daniel Vaughn's site at danielvaughn.dev is what it looks like: a personal portfolio and blog from an experienced design engineer. He introduces himself on the homepage, links to his real LinkedIn and GitHub accounts, and provides a direct email. That's a lot more transparency than most anonymous hobby sites.
Technically, the site is solid. It uses a valid SSL certificate, enforces HTTPS, and hasn't shown up on any blacklists or threat databases. The domain has been around for at least two years based on Wayback Machine records. There are no privacy or terms pages, but that's standard for a portfolio that doesn't collect payments or personal data.
If you're wondering whether danielvaughn.dev is safe to visit or interact with, the answer is yes. It's a straightforward personal site with no signs of scammy behavior. The only thing to keep in mind is that it's not a commercial business, so don't expect a formal company structure — that's by design. For a portfolio and blog, this checks all the right boxes.