From a DNS perspective, it looks fine.
I noticed there are mixed content error, visible using Google Chrome developer tools:
Lots of good #Tutorials (Mixed Content) and #CommunityTip (Community Tip - Fixing mixed content errors) on mixed content on this site.
And, there seems to be some issue with the universal ssl certificate, on the SSL/TLS app, edge certificate tab, you may see a pending notice. That should go away in a day once the certificate is issued. If it does not, at the bottom of that page can you please turn off universal ssl, leave it off for 15 minutes and then turn it back on?