Backends¶

The following table describes the supported backends and some of their capabilities.

Name	Native	Primary	Secondary	Producer	Consumer	Autosecondary	DNS Update	DNSSEC	Launch
BIND	Yes	Yes	Yes	No	No	Experimental	No	Yes	`bind`
Generic Mysql/Mariadb	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	`gmysql`
Generic ODBC	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	`godbc`
Generic Postgresql	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	`gpgsql`
Generic SQLite3	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	`gsqlite3`
GeoIP	Yes	No	No	No	No	No	No	Yes	`geoip`
LDAP	Yes	Yes	No	No	No	No	No	No	`ldap`
LMDB	Yes	Yes	Yes	Yes	Yes	No	Yes*	Yes	`lmdb`
Lua2	Yes	Yes	No	No	No	No	No	Yes	`lua2`
Pipe	Yes	No	No	No	No	No	No	No	`pipe`
Random	Yes	No	No	No	No	No	No	No	`random`
Remote	Yes	Yes*	Yes*	No	No	Yes*	No	Yes*	`remote`
TinyDNS	Yes	Yes	No	No	No	No	No	No	`tinydns`

All the generic SQL backends have similar functionality, apart from the database they communicate with. These backends have features unique to the generic SQL backends.