I migrated my store successfully. I use a third party domain host. Last night Shopify showed in the domain area the correct domain host name and everything worked on mobile devices and computers. This morning Shopify changed the name of the domain host (I adjusted nothing in my sleep) to GoDaddy which is not our domain host. Now the site only works on mobile devices and gives an error message on Safari and Chrome (Load cannot follow more than 20 redirections).