code: func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
  	fqdn, _ := dns01.GetRecord(domain, keyAuth)
  
  	d.recordIDsMu.Lock()
  	recordID, ok := d.recordIDs[fqdn]
  	d.recordIDsMu.Unlock()
  
  	if !ok {
  		return fmt.Errorf("unknown recordID for %q", fqdn)
  	}
  
  	authZone, err := dns01.FindZoneByFqdn(dns01.ToFqdn(domain))
  	if err != nil {
  		return fmt.Errorf("could not determine zone for domain: %q. %v", domain, err)
  	}
  
  	authZone = dns01.UnFqdn(authZone)
  
  	zone, err := d.getZoneInformationByName(authZone)
  	if err != nil {
  		return err
  	}
  
  	_, _, err = d.client.DeleteRecord(zone.ID, recordID)
  	if err != nil {
  		return err
  	}
  
  	d.recordIDsMu.Lock()
  	delete(d.recordIDs, fqdn)
  	d.recordIDsMu.Unlock()
  
  	return nil
  }
docs: // CleanUp removes a given record that was generated by Present