I have been building several GoApp sites with GoLang backend and a lightweight html5/css3/javascript (usually AngularJS) front end. Most of these were for practice, but I have recently created my own personal site with this same pattern and decided that I wanted my own custom domain for it.
I followed the steps outlined here: Google App Custom Domains and everything seemed great. People were able to hit my site (with and without the www) and I was seeing traffic come through Google Analytics.
Now for the problem... as I was looking at various search engines and attempting to submit my site to the index, I am getting "Site Not Found" errors from the Search Engines. For Google and Bing I went into webmaster tools and everything looked fine on the diagnostics (Robots.txt and SiteMap.xml). However after a few days, I am still showing the site is not being indexed.
So the question is, does anyone know why I might be having issues? Nothing I have found seems to point to what the cause might be.
Some of the other SO pages I looked at first: