# File dns/lib/symbiosis/domain/dns.rb, line 54
    def srv_record_for(priority, weight, port, target)
      data =  ([priority, weight, port].pack("nnn").bytes.to_a +
              target.split(".").collect{|x| [x.length, x]} +
              [ 0 ]).flatten
      data.collect{|x| tinydns_encode(x)}.join
    end