**WARNING:**
  - Only sub domain can use this method, not root domain
  - Firstly need https set to XXXXX.vps.confiared.com o XXXXXX.saas.confiared.com and changed only after https certificate validated by confiared
  - Have to be CNAME, the IP list will changes

== How do this ==
  * CNAME sub-domain on XXXXX.vps.confiared.com o XXXXXX.saas.confiared.com
  * request certificate via letsencrypt
  * send certificate to api confiared
  * Go to you manager
  * Open your VPS/Hosting
  * Check the http rproxy
  * Do CNAME on the value, should be like httprproxyd99r99.confiared.com