Looks like @SDF 's rss reader is down: Exception while creating PDO object:SQLSTATE  could not connect to server: Connection refused Is the server running on host "ol.sdf.org" (188.8.131.52) and accepting TCP/IP connections on port 5432?
Why is this step necessary? mastodon.sdf.org might not be the server where you are registered, so we need to redirect you to your home server first.
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