code: func (c *PDNSAPIClient) ListZone(zoneID string) (zone pgo.Zone, resp *http.Response, err error) {
  	for i := 0; i < retryLimit; i++ {
  		zone, resp, err = c.client.ZonesApi.ListZone(c.authCtx, defaultServerID, zoneID)
  		if err != nil {
  			log.Debugf("Unable to fetch zone %v", err)
  			log.Debugf("Retrying ListZone() ... %d", i)
  			time.Sleep(retryAfterTime * (1 << uint(i)))
  			continue
  
  		}
  		return zone, resp, err
  	}
  
  	log.Errorf("Unable to list zone. %v", err)
  	return zone, resp, err
  
  }
docs: // ListZone : Method returns the details of a specific zone from PowerDNS
  // ref: https://doc.powerdns.com/authoritative/http-api/zone.html#get--servers-server_id-zones-zone_id