text: 
  require('thenify-all').withCallback(
    require('dns'),
    exports, [
      'lookup',
      'resolve',
      'resolve4',
      'resolve6',
      'resolveMx',
      'resolveTxt',
      'resolveSrv',
      'resolveNs',
      'resolveCname',
      'reverse',
    ]
  )
  