syntax:

  --filter-duplicate-soa | --filter-duplicate-soa=yes | --filter-duplicate-soa=no
	Filter second SOA in zone
  --gmysql | --gmysql=yes | --gmysql=no
	Output in format suitable for default gmysqlbackend
  --gpgsql | --gpgsql=yes | --gpgsql=no
	Output in format suitable for default gpgsqlbackend
  --gsqlite | --gsqlite=yes | --gsqlite=no
	Output in format suitable for default gsqlitebackend
  --help
	Provide a helpful message
  --ignore-unknown-settings=...
	Configuration settings to ignore if they are unknown
  --json-comments | --json-comments=yes | --json-comments=no
	Parse json={} field for disabled & comments
  --max-generate-steps=...
	Maximum number of $GENERATE steps when loading a zone from a file
  --max-include-depth=...
	Maximum nested $INCLUDE depth when loading a zone from a file
  --named-conf=...
	Bind 8/9 named.conf to parse
  --on-error-resume-next | --on-error-resume-next=yes | --on-error-resume-next=no
	Continue after errors
  --secondary | --secondary=yes | --secondary=no
	Keep BIND secondaries as secondaries. Only works with named-conf.
  --transactions | --transactions=yes | --transactions=no
	If target SQL supports it, use transactions
  --verbose | --verbose=yes | --verbose=no
	Verbose comments on operation
  --version
	Print the version
  --zone=...
	Zonefile to parse
  --zone-name=...
	Specify an $ORIGIN in case it is not present