[0] 0.243.161.81.in-addr.arpa.: domain name does not exist
[86400] 1.243.161.81.in-addr.arpa. domain name pointer gate243-1.tu-sofia.bg
[0] 2.243.161.81.in-addr.arpa.: domain name does not exist
[86400] 3.243.161.81.in-addr.arpa. domain name pointer FKSU1322a.tu-sofia.bg
[86400] 4.243.161.81.in-addr.arpa. domain name pointer FKSU1300-1.tu-sofia.bg
[86400] 5.243.161.81.in-addr.arpa. domain name pointer FKSU1300-2.tu-sofia.bg
[86400] 6.243.161.81.in-addr.arpa. domain name pointer PKT1300A-1.tu-sofia.bg
[86400] 7.243.161.81.in-addr.arpa. domain name pointer PKT1300A-2.tu-sofia.bg
[86400] 8.243.161.81.in-addr.arpa. domain name pointer PKT1300A-3.tu-sofia.bg
[86400] 9.243.161.81.in-addr.arpa. domain name pointer FKSU1311-1.tu-sofia.bg
[86400] 10.243.161.81.in-addr.arpa. domain name pointer FKSU1311-2.tu-sofia.bg
[86400] 11.243.161.81.in-addr.arpa. domain name pointer FKSU1311-3.tu-sofia.bg
[86400] 12.243.161.81.in-addr.arpa. domain name pointer FKSU1311-4.tu-sofia.bg
[86400] 13.243.161.81.in-addr.arpa. domain name pointer FKSU1311-5.tu-sofia.bg
[86400] 14.243.161.81.in-addr.arpa. domain name pointer FKSU1311-6.tu-sofia.bg
[86400] 15.243.161.81.in-addr.arpa. domain name pointer FKSU1311-7.tu-sofia.bg
[86400] 16.243.161.81.in-addr.arpa. domain name pointer FKSU1311-8.tu-sofia.bg
[86400] 17.243.161.81.in-addr.arpa. domain name pointer FKSU1311-9.tu-sofia.bg
[86400] 18.243.161.81.in-addr.arpa. domain name pointer FKSU1311-10.tu-sofia.bg
[86400] 19.243.161.81.in-addr.arpa. domain name pointer FKSU1311-11.tu-sofia.bg
[86400] 20.243.161.81.in-addr.arpa. domain name pointer FKSU1311-12.tu-sofia.bg
[86400] 21.243.161.81.in-addr.arpa. domain name pointer FKSU1311-13.tu-sofia.bg
[86400] 22.243.161.81.in-addr.arpa. domain name pointer FETT1325.tu-sofia.bg
[86400] 23.243.161.81.in-addr.arpa. domain name pointer FKTT1310-1.tu-sofia.bg
[86400] 24.243.161.81.in-addr.arpa. domain name pointer FKTT1310-2.tu-sofia.bg
[86400] 25.243.161.81.in-addr.arpa. domain name pointer FETT1314-1.tu-sofia.bg
[86400] 26.243.161.81.in-addr.arpa. domain name pointer FETT1314-2.tu-sofia.bg
[86400] 27.243.161.81.in-addr.arpa. domain name pointer FETT1314-3.tu-sofia.bg
[86400] 28.243.161.81.in-addr.arpa. domain name pointer FETT1314-4.tu-sofia.bg
[86400] 29.243.161.81.in-addr.arpa. domain name pointer FETT1314-5.tu-sofia.bg
[86400] 30.243.161.81.in-addr.arpa. domain name pointer FETT1312.tu-sofia.bg
[86400] 31.243.161.81.in-addr.arpa. domain name pointer FETT1321.tu-sofia.bg
[86400] 32.243.161.81.in-addr.arpa. domain name pointer FETT1102-2.tu-sofia.bg
[86400] 33.243.161.81.in-addr.arpa. domain name pointer FETT1329.tu-sofia.bg
[86400] 34.243.161.81.in-addr.arpa. domain name pointer FS1103.tu-sofia.bg
[86400] 35.243.161.81.in-addr.arpa. domain name pointer FS1104.tu-sofia.bg
[86400] 36.243.161.81.in-addr.arpa. domain name pointer FKTT1302.tu-sofia.bg
[86400] 37.243.161.81.in-addr.arpa. domain name pointer FS1103-2.tu-sofia.bg
[86400] 38.243.161.81.in-addr.arpa. domain name pointer FKSU1316-1.tu-sofia.bg
[86400] 39.243.161.81.in-addr.arpa. domain name pointer FKSU1316-2.tu-sofia.bg
[86400] 40.243.161.81.in-addr.arpa. domain name pointer FKSU1316-3.tu-sofia.bg
[86400] 41.243.161.81.in-addr.arpa. domain name pointer FKSU1316-4.tu-sofia.bg
[86400] 42.243.161.81.in-addr.arpa. domain name pointer FKSU1316-5.tu-sofia.bg
[86400] 43.243.161.81.in-addr.arpa. domain name pointer FKSU1316-6.tu-sofia.bg
[86400] 44.243.161.81.in-addr.arpa. domain name pointer FKSU1316-7.tu-sofia.bg
[86400] 45.243.161.81.in-addr.arpa. domain name pointer FKSU1316-8.tu-sofia.bg
[86400] 46.243.161.81.in-addr.arpa. domain name pointer FETT1313-1.tu-sofia.bg
[86400] 47.243.161.81.in-addr.arpa. domain name pointer PRO1317-1.tu-sofia.bg
[86400] 48.243.161.81.in-addr.arpa. domain name pointer PRO1317-2.tu-sofia.bg
[86400] 49.243.161.81.in-addr.arpa. domain name pointer PRO1317-3.tu-sofia.bg
[86400] 50.243.161.81.in-addr.arpa. domain name pointer PRO1317-4.tu-sofia.bg
[86400] 51.243.161.81.in-addr.arpa. domain name pointer DACO1333.tu-sofia.bg
[86400] 52.243.161.81.in-addr.arpa. domain name pointer FETT1325-2.tu-sofia.bg
[86400] 53.243.161.81.in-addr.arpa. domain name pointer FETT1105.tu-sofia.bg
[86400] 54.243.161.81.in-addr.arpa. domain name pointer FKSU1316.tu-sofia.bg
[86400] 55.243.161.81.in-addr.arpa. domain name pointer FKTT1304.tu-sofia.bg
[86400] 56.243.161.81.in-addr.arpa. domain name pointer FKTT1315.tu-sofia.bg
[86400] 57.243.161.81.in-addr.arpa. domain name pointer FKTT1306.tu-sofia.bg
[86400] 58.243.161.81.in-addr.arpa. domain name pointer FETT1313.tu-sofia.bg
[86400] 59.243.161.81.in-addr.arpa. domain name pointer FKSU1114.tu-sofia.bg
[86400] 60.243.161.81.in-addr.arpa. domain name pointer RECTORAT1120.tu-sofia.bg
[86400] 61.243.161.81.in-addr.arpa. domain name pointer FKTT1305.tu-sofia.bg
[86400] 62.243.161.81.in-addr.arpa. domain name pointer FETT1324.tu-sofia.bg
[86400] 63.243.161.81.in-addr.arpa. domain name pointer FKSU1323.tu-sofia.bg
[86400] 64.243.161.81.in-addr.arpa. domain name pointer PRO1317-5.tu-sofia.bg
[86400] 65.243.161.81.in-addr.arpa. domain name pointer FKTT1307.tu-sofia.bg
[86400] 66.243.161.81.in-addr.arpa. domain name pointer FKTT1305-2.tu-sofia.bg
[86400] 67.243.161.81.in-addr.arpa. domain name pointer FKSU1316-9.tu-sofia.bg
[86400] 68.243.161.81.in-addr.arpa. domain name pointer FKSU1308-1.tu-sofia.bg
[86400] 69.243.161.81.in-addr.arpa. domain name pointer FKSU1326.tu-sofia.bg
[86400] 70.243.161.81.in-addr.arpa. domain name pointer FKSU1328.tu-sofia.bg
[86400] 71.243.161.81.in-addr.arpa. domain name pointer FKSU1114-2.tu-sofia.bg
[86400] 72.243.161.81.in-addr.arpa. domain name pointer FKTT1310-3.tu-sofia.bg
[86400] 73.243.161.81.in-addr.arpa. domain name pointer FKTT1310-4.tu-sofia.bg
[86400] 74.243.161.81.in-addr.arpa. domain name pointer FETT1103.tu-sofia.bg
[0] 75.243.161.81.in-addr.arpa.: domain name does not exist
[0] 76.243.161.81.in-addr.arpa.: domain name does not exist
[0] 77.243.161.81.in-addr.arpa.: domain name does not exist
[0] 78.243.161.81.in-addr.arpa.: domain name does not exist
[0] 79.243.161.81.in-addr.arpa.: domain name does not exist
[0] 80.243.161.81.in-addr.arpa.: domain name does not exist
[0] 81.243.161.81.in-addr.arpa.: domain name does not exist
[0] 82.243.161.81.in-addr.arpa.: domain name does not exist
[0] 83.243.161.81.in-addr.arpa.: domain name does not exist
[0] 84.243.161.81.in-addr.arpa.: domain name does not exist
[0] 85.243.161.81.in-addr.arpa.: domain name does not exist
[0] 86.243.161.81.in-addr.arpa.: domain name does not exist
[0] 87.243.161.81.in-addr.arpa.: domain name does not exist
[0] 88.243.161.81.in-addr.arpa.: domain name does not exist
[0] 89.243.161.81.in-addr.arpa.: domain name does not exist
[0] 90.243.161.81.in-addr.arpa.: domain name does not exist
[0] 91.243.161.81.in-addr.arpa.: domain name does not exist
[0] 92.243.161.81.in-addr.arpa.: domain name does not exist
[0] 93.243.161.81.in-addr.arpa.: domain name does not exist
[0] 94.243.161.81.in-addr.arpa.: domain name does not exist
[0] 95.243.161.81.in-addr.arpa.: domain name does not exist
[0] 96.243.161.81.in-addr.arpa.: domain name does not exist
[0] 97.243.161.81.in-addr.arpa.: domain name does not exist
[0] 98.243.161.81.in-addr.arpa.: domain name does not exist
[0] 99.243.161.81.in-addr.arpa.: domain name does not exist
[0] 100.243.161.81.in-addr.arpa.: domain name does not exist
[0] 101.243.161.81.in-addr.arpa.: domain name does not exist
[0] 102.243.161.81.in-addr.arpa.: domain name does not exist
[0] 103.243.161.81.in-addr.arpa.: domain name does not exist
[0] 104.243.161.81.in-addr.arpa.: domain name does not exist
[0] 105.243.161.81.in-addr.arpa.: domain name does not exist
[0] 106.243.161.81.in-addr.arpa.: domain name does not exist
[0] 107.243.161.81.in-addr.arpa.: domain name does not exist
[0] 108.243.161.81.in-addr.arpa.: domain name does not exist
[0] 109.243.161.81.in-addr.arpa.: domain name does not exist
[0] 110.243.161.81.in-addr.arpa.: domain name does not exist
[0] 111.243.161.81.in-addr.arpa.: domain name does not exist
[0] 112.243.161.81.in-addr.arpa.: domain name does not exist
[0] 113.243.161.81.in-addr.arpa.: domain name does not exist
[0] 114.243.161.81.in-addr.arpa.: domain name does not exist
[0] 115.243.161.81.in-addr.arpa.: domain name does not exist
[0] 116.243.161.81.in-addr.arpa.: domain name does not exist
[0] 117.243.161.81.in-addr.arpa.: domain name does not exist
[0] 118.243.161.81.in-addr.arpa.: domain name does not exist
[0] 119.243.161.81.in-addr.arpa.: domain name does not exist
[0] 120.243.161.81.in-addr.arpa.: domain name does not exist
[0] 121.243.161.81.in-addr.arpa.: domain name does not exist
[0] 122.243.161.81.in-addr.arpa.: domain name does not exist
[0] 123.243.161.81.in-addr.arpa.: domain name does not exist
[0] 124.243.161.81.in-addr.arpa.: domain name does not exist
[0] 125.243.161.81.in-addr.arpa.: domain name does not exist
[0] 126.243.161.81.in-addr.arpa.: domain name does not exist
[0] 127.243.161.81.in-addr.arpa.: domain name does not exist
[0] 128.243.161.81.in-addr.arpa.: domain name does not exist
[0] 129.243.161.81.in-addr.arpa.: domain name does not exist
[0] 130.243.161.81.in-addr.arpa.: domain name does not exist
[86400] 131.243.161.81.in-addr.arpa. domain name pointer FKSU1414.tu-sofia.bg
[86400] 132.243.161.81.in-addr.arpa. domain name pointer FKSU1212-1.tu-sofia.bg
[86400] 133.243.161.81.in-addr.arpa. domain name pointer FKSU1212-2.tu-sofia.bg
[86400] 134.243.161.81.in-addr.arpa. domain name pointer SM1224.tu-sofia.bg
[86400] 135.243.161.81.in-addr.arpa. domain name pointer SM1221.tu-sofia.bg
[86400] 136.243.161.81.in-addr.arpa. domain name pointer CIR1409-1.tu-sofia.bg
[86400] 137.243.161.81.in-addr.arpa. domain name pointer CIR1409-2.tu-sofia.bg
[86400] 138.243.161.81.in-addr.arpa. domain name pointer CIR1409-3.tu-sofia.bg
[86400] 139.243.161.81.in-addr.arpa. domain name pointer CIR1409-4.tu-sofia.bg
[86400] 140.243.161.81.in-addr.arpa. domain name pointer CIR1409-5.tu-sofia.bg
[86400] 141.243.161.81.in-addr.arpa. domain name pointer CIR1409-6.tu-sofia.bg
[86400] 142.243.161.81.in-addr.arpa. domain name pointer FKSU1212-3.tu-sofia.bg
[86400] 143.243.161.81.in-addr.arpa. domain name pointer FKSU1212-4.tu-sofia.bg
[86400] 144.243.161.81.in-addr.arpa. domain name pointer FKSU1212-5.tu-sofia.bg
[86400] 145.243.161.81.in-addr.arpa. domain name pointer FKSU1212-6.tu-sofia.bg
[86400] 146.243.161.81.in-addr.arpa. domain name pointer FKSU1212-7.tu-sofia.bg
[86400] 147.243.161.81.in-addr.arpa. domain name pointer FKSU1212-8.tu-sofia.bg
[86400] 148.243.161.81.in-addr.arpa. domain name pointer FKSU1212-9.tu-sofia.bg
[86400] 149.243.161.81.in-addr.arpa. domain name pointer FKSU1203.tu-sofia.bg
[86400] 150.243.161.81.in-addr.arpa. domain name pointer SM1226-1.tu-sofia.bg
[86400] 151.243.161.81.in-addr.arpa. domain name pointer SM1215.tu-sofia.bg
[86400] 152.243.161.81.in-addr.arpa. domain name pointer FKSU1202-1.tu-sofia.bg
[86400] 153.243.161.81.in-addr.arpa. domain name pointer FKSU1202-2.tu-sofia.bg
[86400] 154.243.161.81.in-addr.arpa. domain name pointer FETT1442A.tu-sofia.bg
[86400] 155.243.161.81.in-addr.arpa. domain name pointer FKTT1207.tu-sofia.bg
[86400] 156.243.161.81.in-addr.arpa. domain name pointer FKSU1413-1.tu-sofia.bg
[86400] 157.243.161.81.in-addr.arpa. domain name pointer FKSU1413-2.tu-sofia.bg
[86400] 158.243.161.81.in-addr.arpa. domain name pointer FKSU1413-3.tu-sofia.bg
[86400] 159.243.161.81.in-addr.arpa. domain name pointer FKSU1413-4.tu-sofia.bg
[86400] 160.243.161.81.in-addr.arpa. domain name pointer CIR1409-7.tu-sofia.bg
[86400] 161.243.161.81.in-addr.arpa. domain name pointer FETT1403.tu-sofia.bg
[86400] 162.243.161.81.in-addr.arpa. domain name pointer SM1110.tu-sofia.bg
[86400] 163.243.161.81.in-addr.arpa. domain name pointer SM1226-3.tu-sofia.bg
[86400] 164.243.161.81.in-addr.arpa. domain name pointer SM1226-4.tu-sofia.bg
[86400] 165.243.161.81.in-addr.arpa. domain name pointer SM1222.tu-sofia.bg
[86400] 166.243.161.81.in-addr.arpa. domain name pointer SM1218.tu-sofia.bg
[86400] 167.243.161.81.in-addr.arpa. domain name pointer SM1223.tu-sofia.bg
[86400] 168.243.161.81.in-addr.arpa. domain name pointer SM1226-2.tu-sofia.bg
[86400] 169.243.161.81.in-addr.arpa. domain name pointer SM1220.tu-sofia.bg
[86400] 170.243.161.81.in-addr.arpa. domain name pointer SM1214.tu-sofia.bg
[86400] 171.243.161.81.in-addr.arpa. domain name pointer FKTT1427.tu-sofia.bg
[86400] 172.243.161.81.in-addr.arpa. domain name pointer FKTT1227.tu-sofia.bg
[86400] 173.243.161.81.in-addr.arpa. domain name pointer FKSU1213-1.tu-sofia.bg
[86400] 174.243.161.81.in-addr.arpa. domain name pointer FKSU1213-2.tu-sofia.bg
[86400] 175.243.161.81.in-addr.arpa. domain name pointer FKSU1213-3.tu-sofia.bg
[86400] 176.243.161.81.in-addr.arpa. domain name pointer FKSU1213-4.tu-sofia.bg
[86400] 177.243.161.81.in-addr.arpa. domain name pointer FKSU1213-5.tu-sofia.bg
[86400] 178.243.161.81.in-addr.arpa. domain name pointer FKSU1213-6.tu-sofia.bg
[86400] 179.243.161.81.in-addr.arpa. domain name pointer FKSU1213-7.tu-sofia.bg
[86400] 180.243.161.81.in-addr.arpa. domain name pointer FETT1400.tu-sofia.bg
[86400] 181.243.161.81.in-addr.arpa. domain name pointer FKSU1213-8.tu-sofia.bg
[86400] 182.243.161.81.in-addr.arpa. domain name pointer FKSU1213-9.tu-sofia.bg
[86400] 183.243.161.81.in-addr.arpa. domain name pointer FKSU1213-10.tu-sofia.bg
[86400] 184.243.161.81.in-addr.arpa. domain name pointer FKSU1211.tu-sofia.bg
[86400] 185.243.161.81.in-addr.arpa. domain name pointer FETT1208.tu-sofia.bg
[86400] 186.243.161.81.in-addr.arpa. domain name pointer FETT1401.tu-sofia.bg
[86400] 187.243.161.81.in-addr.arpa. domain name pointer FKSU1406-1.tu-sofia.bg
[86400] 188.243.161.81.in-addr.arpa. domain name pointer FKSU1406-2.tu-sofia.bg
[86400] 189.243.161.81.in-addr.arpa. domain name pointer FKSU1407-1.tu-sofia.bg
[86400] 190.243.161.81.in-addr.arpa. domain name pointer FKSU1407-2.tu-sofia.bg
[86400] 191.243.161.81.in-addr.arpa. domain name pointer FKSU1407-3.tu-sofia.bg
[86400] 192.243.161.81.in-addr.arpa. domain name pointer FKSU1407-4.tu-sofia.bg
[86400] 193.243.161.81.in-addr.arpa. domain name pointer FKTT1229.tu-sofia.bg
[86400] 194.243.161.81.in-addr.arpa. domain name pointer FKSU1217.tu-sofia.bg
[86400] 195.243.161.81.in-addr.arpa. domain name pointer TF1426.tu-sofia.bg
[86400] 196.243.161.81.in-addr.arpa. domain name pointer FKTT1228.tu-sofia.bg
[86400] 197.243.161.81.in-addr.arpa. domain name pointer TF1416.tu-sofia.bg
[86400] 198.243.161.81.in-addr.arpa. domain name pointer TF1417-1.tu-sofia.bg
[86400] 199.243.161.81.in-addr.arpa. domain name pointer TF1418.tu-sofia.bg
[86400] 200.243.161.81.in-addr.arpa. domain name pointer TF1419-1.tu-sofia.bg
[86400] 201.243.161.81.in-addr.arpa. domain name pointer TF1419-2.tu-sofia.bg
[86400] 202.243.161.81.in-addr.arpa. domain name pointer TF1422.tu-sofia.bg
[86400] 203.243.161.81.in-addr.arpa. domain name pointer TF1423-1.tu-sofia.bg
[86400] 204.243.161.81.in-addr.arpa. domain name pointer TF1423-2.tu-sofia.bg
[86400] 205.243.161.81.in-addr.arpa. domain name pointer TF1423-3.tu-sofia.bg
[86400] 206.243.161.81.in-addr.arpa. domain name pointer TF1423-4.tu-sofia.bg
[86400] 207.243.161.81.in-addr.arpa. domain name pointer TF1423-5.tu-sofia.bg
[86400] 208.243.161.81.in-addr.arpa. domain name pointer TF1423-6.tu-sofia.bg
[86400] 209.243.161.81.in-addr.arpa. domain name pointer TF1429.tu-sofia.bg
[86400] 210.243.161.81.in-addr.arpa. domain name pointer TF1412-1.tu-sofia.bg
[86400] 211.243.161.81.in-addr.arpa. domain name pointer TF1412-2.tu-sofia.bg
[86400] 212.243.161.81.in-addr.arpa. domain name pointer TF1412-3.tu-sofia.bg
[86400] 213.243.161.81.in-addr.arpa. domain name pointer TF1412-4.tu-sofia.bg
[86400] 214.243.161.81.in-addr.arpa. domain name pointer TF1412-5.tu-sofia.bg
[86400] 215.243.161.81.in-addr.arpa. domain name pointer TF1412-6.tu-sofia.bg
[86400] 216.243.161.81.in-addr.arpa. domain name pointer TF1424.tu-sofia.bg
[86400] 217.243.161.81.in-addr.arpa. domain name pointer SM1226-5.tu-sofia.bg
[86400] 218.243.161.81.in-addr.arpa. domain name pointer TF1410.tu-sofia.bg
[86400] 219.243.161.81.in-addr.arpa. domain name pointer FKSU1407-5.tu-sofia.bg
[86400] 220.243.161.81.in-addr.arpa. domain name pointer FKSU1413-5.tu-sofia.bg
[86400] 221.243.161.81.in-addr.arpa. domain name pointer FKSU1413-6.tu-sofia.bg
[86400] 222.243.161.81.in-addr.arpa. domain name pointer FETT1403-2.tu-sofia.bg
[86400] 223.243.161.81.in-addr.arpa. domain name pointer FKSU1201-1.tu-sofia.bg
[86400] 224.243.161.81.in-addr.arpa. domain name pointer TF1222-2.tu-sofia.bg
[86400] 225.243.161.81.in-addr.arpa. domain name pointer FETT1400A-1.tu-sofia.bg
[86400] 226.243.161.81.in-addr.arpa. domain name pointer FETT1402.tu-sofia.bg
[86400] 227.243.161.81.in-addr.arpa. domain name pointer FETT1400A-2.tu-sofia.bg
[86400] 228.243.161.81.in-addr.arpa. domain name pointer FETT1404.tu-sofia.bg
[86400] 229.243.161.81.in-addr.arpa. domain name pointer FETT1405.tu-sofia.bg
[0] 230.243.161.81.in-addr.arpa.: domain name does not exist
[0] 231.243.161.81.in-addr.arpa.: domain name does not exist
[0] 232.243.161.81.in-addr.arpa.: domain name does not exist
[0] 233.243.161.81.in-addr.arpa.: domain name does not exist
[0] 234.243.161.81.in-addr.arpa.: domain name does not exist
[0] 235.243.161.81.in-addr.arpa.: domain name does not exist
[0] 236.243.161.81.in-addr.arpa.: domain name does not exist
[0] 237.243.161.81.in-addr.arpa.: domain name does not exist
[0] 238.243.161.81.in-addr.arpa.: domain name does not exist
[0] 239.243.161.81.in-addr.arpa.: domain name does not exist
[0] 240.243.161.81.in-addr.arpa.: domain name does not exist
[0] 241.243.161.81.in-addr.arpa.: domain name does not exist
[0] 242.243.161.81.in-addr.arpa.: domain name does not exist
[0] 243.243.161.81.in-addr.arpa.: domain name does not exist
[0] 244.243.161.81.in-addr.arpa.: domain name does not exist
[0] 245.243.161.81.in-addr.arpa.: domain name does not exist
[0] 246.243.161.81.in-addr.arpa.: domain name does not exist
[0] 247.243.161.81.in-addr.arpa.: domain name does not exist
[0] 248.243.161.81.in-addr.arpa.: domain name does not exist
[0] 249.243.161.81.in-addr.arpa.: domain name does not exist
[0] 250.243.161.81.in-addr.arpa.: domain name does not exist
[0] 251.243.161.81.in-addr.arpa.: domain name does not exist
[0] 252.243.161.81.in-addr.arpa.: domain name does not exist
[0] 253.243.161.81.in-addr.arpa.: domain name does not exist
[0] 254.243.161.81.in-addr.arpa.: domain name does not exist
[0] 255.243.161.81.in-addr.arpa.: domain name does not exist