<ruleset name="Spanair">
  <target host="spanair.com" />
  <target host="*.spanair.com" />
  
  <rule from="^http://spanair\.com/" to="https://spanair.com/"/>
  <rule from="^http://([^/:@\.]+)\.spanair\.com/" to="https://$1.spanair.com/"/>
</ruleset>
