async function confirmDomain (key) {
  // DISABLED
  // hyper: does not currently use DNS
  // -prf

  // // fetch the current domain from the manifest
  // try {
  //   var drive = await getOrLoadDrive(key)
  //   var datJson = await drive.pda.readManifest()
  // } catch (e) {
  //   return false
  // }
  // if (!datJson.domain) {
  //   await hyperDnsDb.unset(key)
  //   return false
  // }

  // // confirm match with current DNS
  // var dnsKey = await hyperDns.resolveName(datJson.domain)
  // if (key !== dnsKey) {
  //   await hyperDnsDb.unset(key)
  //   return false
  // }

  // // update mapping
  // await hyperDnsDb.update({name: datJson.domain, key})
  // return true
}
@desc
Check that the drive's index.json `domain` matches the current DNS
If yes, write the confirmed entry to the dat_dns table

@param {string} key
@returns {Promise<boolean>}