Imports golang.org/x/oauth2/google google.golang.org/api/dns/v1 github.com/huin/goupnp/dcps/internetgateway1 golang.org/x/crypto/acme github.com/huin/goupnp/scpd golang.org/x/net/context Standard library imports crypto/x509/pkix crypto/elliptic encoding/pem os/user crypto crypto/ecdsa crypto/rand crypto/x509 encoding/json errors fmt io/ioutil log net os path/filepath reflect time