# File lib/dnstraverse/referral.rb, line 33
    def txt_ips_verbose
      return '' unless @serverips
      a = @serverips.map do |ip|
        sprintf("%.1f%%=", 100 * @serverweights[ip]).concat(ip =~ /^key:([^:]+(:[^:]*)?)/ ? $1 : ip)
      end
      a.sort.join(',')
    end