Relating to: http://www.directadmin.com/features.php?id=579 You can now specify a specific domain, eg: CMD_API_DOMAIN_OWNERS?domain=domain.com which will make the CMD_API_DOMAIN_OWNERS filter out all other domains, giving you just: domain.com=username Both Admin and Resellers can run this, but the Reseller can only do lookups on domains under their control (including their Users) If a domain does not exist, an error is returned, eg: error=1&text=Cannot find that domain&details=