-- They had a couple of global outages a few weeks ago. Check their Twitter feed for current status.
-- They recently migrated websites to new servers with new IP addresses. They are supposed to have much better security and malware protection.
-- My hosting IPs were 50... and now they are 160... I had to recheck all my manually-entered domain "Record A" IPs and waited for hours before the websites showed up again. It was not a "seamless" migration as promised.
-- I agree with Acorn. Godaddy SSL cert prices are outrageous. You can get them from ssls.com and others for a fraction of the price.
-- Check https://www.whatsmydns.net/ for IPs and propagation status