code: func NewDefaultConfig() *Config {
  	return &Config{
  		PropagationTimeout: env.GetOrDefaultSecond("EASYDNS_PROPAGATION_TIMEOUT", dns01.DefaultPropagationTimeout),
  		SequenceInterval:   env.GetOrDefaultSecond("EASYDNS_SEQUENCE_INTERVAL", dns01.DefaultPropagationTimeout),
  		PollingInterval:    env.GetOrDefaultSecond("EASYDNS_POLLING_INTERVAL", dns01.DefaultPollingInterval),
  		TTL:                env.GetOrDefaultInt("EASYDNS_TTL", dns01.DefaultTTL),
  		HTTPClient: &http.Client{
  			Timeout: env.GetOrDefaultSecond("EASYDNS_HTTP_TIMEOUT", 30*time.Second),
  		},
  	}
  }
docs: // NewDefaultConfig returns a default configuration for the DNSProvider