The HelioHost staff have been working tirelessly for the last 12 hours, and we're happy to announce that we've already completed the repairs on heliohost.org, and we have both nameservers running again. The next step is getting Tommy back online. We're going to let the backup run through the rest of the night and we should be able to get Tommy powered on sometime tomorrow as long as everything goes well.
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Or did you read this news post that you replied to?
Since you're on Tommy, and the Tommy server is down, it makes sense that you would get no response from the server, and your website can't be reached. When Tommy is back up we'll make a news post to let you know.