}
	if lastUpdated.After(time.Unix(0, 0)) { // if a timestamp was obtained from a drc
		return &lastUpdated, nil
	}
	return nil, nil
}

// GetDynamicRouteDump retrieves a route dump with just dynamic active routes in it
func (w *Wrapper) GetDynamicRouteDump(stripVersions bool) (*admin.RoutesConfigDump, error) {
	routeDump, err := w.GetRouteConfigDump()
	if err != nil {
		return nil, err
	}
	drc := routeDump.GetDynamicRouteConfigs()

			// if the domain contains IPv6, such as [fd00:10:96::7fc7] and [fd00:10:96::7fc7]:8090
		} else if strings.Count(d, ":") > 2 {
			// if the domain is only a IPv6 address, such as [fd00:10:96::7fc7], append it
			if strings.HasSuffix(d, "]") {
				withoutPort = append(withoutPort, d)
			}
		}
	}
	withoutPort = unexpandDomains(withoutPort)
	if len(withoutPort) > max {
		ret := strings.Join(withoutPort[:max], ", ")