class Handler {
  // 1. resolve dns entries
  // 2. pick an ip for entry list
  // 3. const origin = new URL(opts.origin)
  // 4. origin.hostname = ip
  // 3. call dispatch({ ...opts, origin }, handler)
}

export const dnsInterceptor = dispatch => (opts, handler) => isDNSName(opts.origin.hostname)
  ? dispatch(opts, new Handler(opts, { dispatch, handler }))
  : dispatch(opts, handler)