At least according to the US State Department website. The site was most likely hacked, as the time of Trump’s departure continues to change.
If the site was indeed hacked, issue should be taken with how secure such US government websites are. Twitter users are quick to point out that Mike Pence’s page has the exact same issue.
As it turns out, the White House updated the public at 13:30 MST, stating the website was breached by an angry staffer. Mike Pompeo has called for an investigation. The employee’s term ended today.