Imports github.com/Azure/azure-sdk-for-go/services/dns/mgmt/2017-09-01/dns github.com/Azure/go-autorest/autorest github.com/Azure/go-autorest/autorest/adal github.com/Azure/go-autorest/autorest/azure github.com/Azure/go-autorest/autorest/to github.com/xenolf/lego/acme Standard library imports context fmt os strings time