3.1 Database configuration
- mysql-host
- (string) The hostname where your MySQL server is located. May be overridden by the
`-h' (`--host') option.
- mysql-user
- (string) The username to provide to the MySQL server during authentication. May be
overridden by the `-u' (`--user') option.
- mysql-password
- (string) The password to provide to the MySQL server during authentication. May be
overridden by the `-p' (`--password') option.
- database
- (string) The name of the database containing DNS data.