code: func NewServerTLS(addr string, group []*Config) (*ServerTLS, error) {
  	s, err := NewServer(addr, group)
  	if err != nil {
  		return nil, err
  	}
  
  	return &ServerTLS{Server: s}, nil
  }
docs: // NewServerTLS returns a new CoreDNS TLS server and compiles all plugin in to it.