[plt-scheme] planet down?

Hi -

getting the following error when trying to connect to
http://planet.plt-scheme.org for a while - Is it down for maintenance?

Thanks,
yc
Proxy Error The proxy server received an invalid response from an upstream
server.

The proxy server could not handle the request *GET
/display.ss<http://planet.plt-scheme.org/display.ss>
*.

Reason: *Could not connect to remote machine: Connection refused*
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