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/azure/auth
- github.com/Azure/go-autorest/autorest/to
- github.com/xenolf/lego/challenge/dns01
- github.com/xenolf/lego/platform/config/env