The namespaces available under .au include:
  • com.au 
  • net.au 
  • id.au 
  • net.au 
  • org.au

You can register any of these with Enetica provided you meet the eligibility criteria set out by the au Domain Administration (auDA.org.au">auDA). Refer to the help question 'Am I eligible for a .audomain name?' for more information on the eligibility criteria.