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Configuring DNS4ACME

DNS4ACME supports configuration using the command line or from environment variables. All options can be passed either way, the command line always takes precedence.

CLI option Environment variable Default Description
--backend DNS4ACME_BACKEND - Which backend to use for information storage. (required)
--nameservers DNS4ACME_NAMESERVERS - Comma-separated list of nameservers to include in SOA and NS responses. (required)
--listen DNS4ACME_LISTEN 0.0.0.0:5353 Listen address for both UDP and TCP requests.
--log-level DNS4ACME_LOG_LEVEL INFO Level to log at. Must be DEBUG, INFO, WARN, or ERROR.

Further, each backend has its own configuration options.