code: func (ds *DNSServer) SetSRV(service, protocol string, srvs []SRVRecord) {
  	ds.srvMutex.Lock()
  	ds.srvRecords[ds.qualifySrv(service, protocol)] = ds.qualifySrvHosts(srvs)
  	ds.srvMutex.Unlock()
  }
docs: // Sets a SRV with a service and protocol. See SRVRecord for more information
  // on what that requires.