this post was submitted on 05 Sep 2023
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How does this work? How do you host pixelfed.domain.com and mastodon.domain.com together in the same domain, with queries for "@[email protected]" to the webfinger host path?

I'm other words, how does the querying application know which resource it needs? How do you know that a pixelfed instance will get the pixelfed resource versus the mastodon resource?

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[–] [email protected] 3 points 1 year ago (1 children)

I can't speak for those two services in particular, but I know that Matrix will check https://domain.com/.well-known/matrix/server to see what (sub)domain is responsible for domain.com. I suspect other services also use .well-known too.

[–] thisisawayoflife 1 points 1 year ago

Yes, they use a webfinger on the .well-known path.