GoDaddy acknowledges issues with sites, is 'working on it' (Update: DNS switched to VeriSign, 'most' customers back online)

GoDaddy looks to be having a rough one today. Users are complaining of issues with sites and email addresses tied to the popular and oft-controversial domain registrar. For the moment, GoDaddy's own site appears to be working just fine, though the company has acknowledge its woes via Twitter, noting, "we're aware of the trouble people are having with our site. We're working on it." According to TechCrunch, the outage has affected "millions of sites."

Update: The company still hasn't commented on the source of the outage, but a tweet indicates "most customer hosted sites back online...no customer data compromised" Meanwhile, Wired notes GoDaddy has switched from self hosting DNS servers to those of its competitor, VeriSign.

[Thanks to everyone who sent this in]