Feed Troubles

Hi,

I’m having some problems with the Feed of my blog that are affecting some functions as publish a post in Meneame.net or show the MetaData (intro and picture) of the post when I link it in Facebook.

Also I’ve tried to publish my feed in feedburner and said me
“Timeout while fetching the feed.
We could not find a valid feed at that address.”

Also I’ve tried a Feed Validator and it shows me this problem ( http://feedvalidator.org/ )
Server returned timed out

Blog
MenteZurda.com
Active Plugins


Facebook Like

New Twitter Button

NoSpamNX

Post-to-Facebook

S3Slider

SexyBookmarks

WP to Twitter
I’m using WP3
And
theTheme is Mystique ( http://digitalnature.ro/ )

Regards
Jacobo