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There were a lot of complaints about Google doing that with .dev given the number of other companies and developers that use .dev for random LAN things, but an HSTS Preload for random LAN things isn't a bad idea in that it can prevent some types of mistakes going to production like bad HTTPS->HTTP redirects in an application. Obviously, Google themselves thought it a good idea to test that in their development environments.

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The people doing random things with fake .dev domains were going to get bit in the ass one way or another. You can't just make up your own domain and hope no one ever does anything conflicting with it.

> You can't just make up your own domain and hope no one ever does anything conflicting with it.

Actually you can! You just need to use one reserved for that purpose:

> In 1999, the Internet Engineering Task Force reserved the DNS labels example, invalid, localhost, and test so that they may not be installed into the root zone of the Domain Name System.

https://en.wikipedia.org/wiki/.test

Sure, but you should NEVER use a domain that isn’t delegated to you or explicitly reserved by the IANA for local purposes. Plenty of people used .int as well which is now a gTLD, you can’t complain about a name you don’t own breaking down the line.

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