[0] 0.23.189.137.in-addr.arpa.: domain name does not exist
[0] 1.23.189.137.in-addr.arpa.: domain name does not exist
[0] 2.23.189.137.in-addr.arpa.: domain name does not exist
[0] 3.23.189.137.in-addr.arpa.: domain name does not exist
[0] 4.23.189.137.in-addr.arpa.: domain name does not exist
[0] 5.23.189.137.in-addr.arpa.: domain name does not exist
[0] 6.23.189.137.in-addr.arpa.: domain name does not exist
[0] 7.23.189.137.in-addr.arpa.: domain name does not exist
[0] 8.23.189.137.in-addr.arpa.: domain name does not exist
[0] 9.23.189.137.in-addr.arpa.: domain name does not exist
[0] 10.23.189.137.in-addr.arpa.: domain name does not exist
[0] 11.23.189.137.in-addr.arpa.: domain name does not exist
[0] 12.23.189.137.in-addr.arpa.: domain name does not exist
[0] 13.23.189.137.in-addr.arpa.: domain name does not exist
[0] 14.23.189.137.in-addr.arpa.: domain name does not exist
[0] 15.23.189.137.in-addr.arpa.: domain name does not exist
[0] 16.23.189.137.in-addr.arpa.: domain name does not exist
[0] 17.23.189.137.in-addr.arpa.: domain name does not exist
[0] 18.23.189.137.in-addr.arpa.: domain name does not exist
[0] 19.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 20.23.189.137.in-addr.arpa. domain name pointer sysclient.itsc.cuhk.edu.hk
[86400] 21.23.189.137.in-addr.arpa. domain name pointer aqua.itsc.cuhk.edu.hk
[0] 22.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 23.23.189.137.in-addr.arpa. domain name pointer athena.itsc.cuhk.edu.hk
[86400] 24.23.189.137.in-addr.arpa. domain name pointer printer-admin.itsc.cuhk.edu.hk
[86400] 25.23.189.137.in-addr.arpa. domain name pointer webjetadmin.itsc.cuhk.edu.hk
[0] 26.23.189.137.in-addr.arpa.: domain name does not exist
[0] 27.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 28.23.189.137.in-addr.arpa. domain name pointer nw60sp3.itsc.cuhk.edu.hk
[0] 29.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 30.23.189.137.in-addr.arpa. domain name pointer server3.itsc.cuhk.edu.hk
[86400] 31.23.189.137.in-addr.arpa. domain name pointer c1apps1.itsc.cuhk.edu.hk
[86400] 32.23.189.137.in-addr.arpa. domain name pointer c1apps2.itsc.cuhk.edu.hk
[86400] 33.23.189.137.in-addr.arpa. domain name pointer c1home1.itsc.cuhk.edu.hk
[86400] 34.23.189.137.in-addr.arpa. domain name pointer c1home2.itsc.cuhk.edu.hk
[86400] 35.23.189.137.in-addr.arpa. domain name pointer c1common.itsc.cuhk.edu.hk
[0] 36.23.189.137.in-addr.arpa.: domain name does not exist
[0] 37.23.189.137.in-addr.arpa.: domain name does not exist
[0] 38.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 39.23.189.137.in-addr.arpa. domain name pointer cluster1.itsc.cuhk.edu.hk
[86400] 40.23.189.137.in-addr.arpa. domain name pointer server4.itsc.cuhk.edu.hk
[86400] 41.23.189.137.in-addr.arpa. domain name pointer radix.itsc.cuhk.edu.hk
[0] 42.23.189.137.in-addr.arpa.: domain name does not exist
[0] 43.23.189.137.in-addr.arpa.: domain name does not exist
[0] 44.23.189.137.in-addr.arpa.: domain name does not exist
[0] 45.23.189.137.in-addr.arpa.: domain name does not exist
[0] 46.23.189.137.in-addr.arpa.: domain name does not exist
[0] 47.23.189.137.in-addr.arpa.: domain name does not exist
[0] 48.23.189.137.in-addr.arpa.: domain name does not exist
[0] 49.23.189.137.in-addr.arpa.: domain name does not exist
[0] 50.23.189.137.in-addr.arpa.: domain name does not exist
[0] 51.23.189.137.in-addr.arpa.: domain name does not exist
[0] 52.23.189.137.in-addr.arpa.: domain name does not exist
[0] 53.23.189.137.in-addr.arpa.: domain name does not exist
[0] 54.23.189.137.in-addr.arpa.: domain name does not exist
[0] 55.23.189.137.in-addr.arpa.: domain name does not exist
[0] 56.23.189.137.in-addr.arpa.: domain name does not exist
[0] 57.23.189.137.in-addr.arpa.: domain name does not exist
[0] 58.23.189.137.in-addr.arpa.: domain name does not exist
[0] 59.23.189.137.in-addr.arpa.: domain name does not exist
[0] 60.23.189.137.in-addr.arpa.: domain name does not exist
[0] 61.23.189.137.in-addr.arpa.: domain name does not exist
[0] 62.23.189.137.in-addr.arpa.: domain name does not exist
[0] 63.23.189.137.in-addr.arpa.: domain name does not exist
[0] 64.23.189.137.in-addr.arpa.: domain name does not exist
[0] 65.23.189.137.in-addr.arpa.: domain name does not exist
[0] 66.23.189.137.in-addr.arpa.: domain name does not exist
[0] 67.23.189.137.in-addr.arpa.: domain name does not exist
[0] 68.23.189.137.in-addr.arpa.: domain name does not exist
[0] 69.23.189.137.in-addr.arpa.: domain name does not exist
[0] 70.23.189.137.in-addr.arpa.: domain name does not exist
[0] 71.23.189.137.in-addr.arpa.: domain name does not exist
[0] 72.23.189.137.in-addr.arpa.: domain name does not exist
[0] 73.23.189.137.in-addr.arpa.: domain name does not exist
[0] 74.23.189.137.in-addr.arpa.: domain name does not exist
[0] 75.23.189.137.in-addr.arpa.: domain name does not exist
[0] 76.23.189.137.in-addr.arpa.: domain name does not exist
[0] 77.23.189.137.in-addr.arpa.: domain name does not exist
[0] 78.23.189.137.in-addr.arpa.: domain name does not exist
[0] 79.23.189.137.in-addr.arpa.: domain name does not exist
[0] 80.23.189.137.in-addr.arpa.: domain name does not exist
[0] 81.23.189.137.in-addr.arpa.: domain name does not exist
[0] 82.23.189.137.in-addr.arpa.: domain name does not exist
[0] 83.23.189.137.in-addr.arpa.: domain name does not exist
[0] 84.23.189.137.in-addr.arpa.: domain name does not exist
[0] 85.23.189.137.in-addr.arpa.: domain name does not exist
[0] 86.23.189.137.in-addr.arpa.: domain name does not exist
[0] 87.23.189.137.in-addr.arpa.: domain name does not exist
[0] 88.23.189.137.in-addr.arpa.: domain name does not exist
[0] 89.23.189.137.in-addr.arpa.: domain name does not exist
[0] 90.23.189.137.in-addr.arpa.: domain name does not exist
[0] 91.23.189.137.in-addr.arpa.: domain name does not exist
[0] 92.23.189.137.in-addr.arpa.: domain name does not exist
[0] 93.23.189.137.in-addr.arpa.: domain name does not exist
[0] 94.23.189.137.in-addr.arpa.: domain name does not exist
[0] 95.23.189.137.in-addr.arpa.: domain name does not exist
[0] 96.23.189.137.in-addr.arpa.: domain name does not exist
[0] 97.23.189.137.in-addr.arpa.: domain name does not exist
[0] 98.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 99.23.189.137.in-addr.arpa. domain name pointer itsc23099.itsc.cuhk.edu.hk
[86400] 100.23.189.137.in-addr.arpa. domain name pointer itsc-xern32.itsc.cuhk.edu.hk
[86400] 101.23.189.137.in-addr.arpa. domain name pointer itsc-lext620.itsc.cuhk.edu.hk
[86400] 102.23.189.137.in-addr.arpa. domain name pointer itschp4350dtn1.itsc.cuhk.edu.hk
[86400] 103.23.189.137.in-addr.arpa. domain name pointer itschp4350dtn2.itsc.cuhk.edu.hk
[86400] 104.23.189.137.in-addr.arpa. domain name pointer itschp4600dn.itsc.cuhk.edu.hk
[86400] 105.23.189.137.in-addr.arpa. domain name pointer schplj5.itsc.cuhk.edu.hk
[86400] 106.23.189.137.in-addr.arpa. domain name pointer itschplj5m.itsc.cuhk.edu.hk
[86400] 107.23.189.137.in-addr.arpa. domain name pointer cchp4600dn.itsc.cuhk.edu.hk
[86400] 108.23.189.137.in-addr.arpa. domain name pointer sch2hp4000n.itsc.cuhk.edu.hk
[86400] 109.23.189.137.in-addr.arpa. domain name pointer itsccxhplj4.itsc.cuhk.edu.hk
[86400] 110.23.189.137.in-addr.arpa. domain name pointer schhp4050n.itsc.cuhk.edu.hk
[86400] 111.23.189.137.in-addr.arpa. domain name pointer cchp4350dtn.itsc.cuhk.edu.hk
[86400] 112.23.189.137.in-addr.arpa. domain name pointer schp4500n.itsc.cuhk.edu.hk
[86400] 113.23.189.137.in-addr.arpa. domain name pointer itscxhp4550n.itsc.cuhk.edu.hk
[86400] 114.23.189.137.in-addr.arpa. domain name pointer itsclexsc1275.itsc.cuhk.edu.hk
[86400] 115.23.189.137.in-addr.arpa. domain name pointer itscxhp4650dn.itsc.cuhk.edu.hk
[86400] 116.23.189.137.in-addr.arpa. domain name pointer fedhp4650n.itsc.cuhk.edu.hk
[0] 117.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 118.23.189.137.in-addr.arpa. domain name pointer itschp8500n.itsc.cuhk.edu.hk
[86400] 119.23.189.137.in-addr.arpa. domain name pointer fedhp4100n.itsc.cuhk.edu.hk
[86400] 120.23.189.137.in-addr.arpa. domain name pointer itsc4550dn.itsc.cuhk.edu.hk
[86400] 121.23.189.137.in-addr.arpa. domain name pointer itscx4100dtn.itsc.cuhk.edu.hk
[86400] 122.23.189.137.in-addr.arpa. domain name pointer itsclext522.itsc.cuhk.edu.hk
[86400] 123.23.189.137.in-addr.arpa. domain name pointer fedc720.itsc.cuhk.edu.hk
[86400] 124.23.189.137.in-addr.arpa. domain name pointer cchp4100n.itsc.cuhk.edu.hk
[86400] 125.23.189.137.in-addr.arpa. domain name pointer schp4100dtn.itsc.cuhk.edu.hk
[0] 126.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 127.23.189.137.in-addr.arpa. domain name pointer itschp9100c.itsc.cuhk.edu.hk
[0] 128.23.189.137.in-addr.arpa.: domain name does not exist
[0] 129.23.189.137.in-addr.arpa.: domain name does not exist
[0] 130.23.189.137.in-addr.arpa.: domain name does not exist
[0] 131.23.189.137.in-addr.arpa.: domain name does not exist
[0] 132.23.189.137.in-addr.arpa.: domain name does not exist
[0] 133.23.189.137.in-addr.arpa.: domain name does not exist
[0] 134.23.189.137.in-addr.arpa.: domain name does not exist
[0] 135.23.189.137.in-addr.arpa.: domain name does not exist
[0] 136.23.189.137.in-addr.arpa.: domain name does not exist
[0] 137.23.189.137.in-addr.arpa.: domain name does not exist
[0] 138.23.189.137.in-addr.arpa.: domain name does not exist
[0] 139.23.189.137.in-addr.arpa.: domain name does not exist
[0] 140.23.189.137.in-addr.arpa.: domain name does not exist
[0] 141.23.189.137.in-addr.arpa.: domain name does not exist
[0] 142.23.189.137.in-addr.arpa.: domain name does not exist
[0] 143.23.189.137.in-addr.arpa.: domain name does not exist
[0] 144.23.189.137.in-addr.arpa.: domain name does not exist
[0] 145.23.189.137.in-addr.arpa.: domain name does not exist
[0] 146.23.189.137.in-addr.arpa.: domain name does not exist
[0] 147.23.189.137.in-addr.arpa.: domain name does not exist
[0] 148.23.189.137.in-addr.arpa.: domain name does not exist
[0] 149.23.189.137.in-addr.arpa.: domain name does not exist
[0] 150.23.189.137.in-addr.arpa.: domain name does not exist
[0] 151.23.189.137.in-addr.arpa.: domain name does not exist
[0] 152.23.189.137.in-addr.arpa.: domain name does not exist
[0] 153.23.189.137.in-addr.arpa.: domain name does not exist
[0] 154.23.189.137.in-addr.arpa.: domain name does not exist
[0] 155.23.189.137.in-addr.arpa.: domain name does not exist
[0] 156.23.189.137.in-addr.arpa.: domain name does not exist
[0] 157.23.189.137.in-addr.arpa.: domain name does not exist
[0] 158.23.189.137.in-addr.arpa.: domain name does not exist
[0] 159.23.189.137.in-addr.arpa.: domain name does not exist
[0] 160.23.189.137.in-addr.arpa.: domain name does not exist
[0] 161.23.189.137.in-addr.arpa.: domain name does not exist
[0] 162.23.189.137.in-addr.arpa.: domain name does not exist
[0] 163.23.189.137.in-addr.arpa.: domain name does not exist
[0] 164.23.189.137.in-addr.arpa.: domain name does not exist
[0] 165.23.189.137.in-addr.arpa.: domain name does not exist
[0] 166.23.189.137.in-addr.arpa.: domain name does not exist
[0] 167.23.189.137.in-addr.arpa.: domain name does not exist
[0] 168.23.189.137.in-addr.arpa.: domain name does not exist
[0] 169.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 170.23.189.137.in-addr.arpa. domain name pointer server5.itsc.cuhk.edu.hk
[86400] 171.23.189.137.in-addr.arpa. domain name pointer server6.itsc.cuhk.edu.hk
[86400] 172.23.189.137.in-addr.arpa. domain name pointer cluster2.itsc.cuhk.edu.hk
[0] 173.23.189.137.in-addr.arpa.: domain name does not exist
[0] 174.23.189.137.in-addr.arpa.: domain name does not exist
[0] 175.23.189.137.in-addr.arpa.: domain name does not exist
[0] 176.23.189.137.in-addr.arpa.: domain name does not exist
[0] 177.23.189.137.in-addr.arpa.: domain name does not exist
[0] 178.23.189.137.in-addr.arpa.: domain name does not exist
[0] 179.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 180.23.189.137.in-addr.arpa. domain name pointer boolean.itsc.cuhk.edu.hk
[0] 181.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 182.23.189.137.in-addr.arpa. domain name pointer itsc23182.itsc.cuhk.edu.hk
[86400] 183.23.189.137.in-addr.arpa. domain name pointer itsc23183.itsc.cuhk.edu.hk
[0] 184.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 185.23.189.137.in-addr.arpa. domain name pointer resnetsca.itsc.cuhk.edu.hk
[0] 186.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 187.23.189.137.in-addr.arpa. domain name pointer itsc23187.itsc.cuhk.edu.hk
[0] 188.23.189.137.in-addr.arpa.: domain name does not exist
[0] 189.23.189.137.in-addr.arpa.: domain name does not exist
[0] 190.23.189.137.in-addr.arpa.: domain name does not exist
[0] 191.23.189.137.in-addr.arpa.: domain name does not exist
[0] 192.23.189.137.in-addr.arpa.: domain name does not exist
[0] 193.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 194.23.189.137.in-addr.arpa. domain name pointer splendor.itsc.cuhk.edu.hk
[86400] 195.23.189.137.in-addr.arpa. domain name pointer scais.sca.uss.itsc.cuhk.edu.hk
[86400] 196.23.189.137.in-addr.arpa. domain name pointer pc23196.itsc.cuhk.edu.hk
[0] 197.23.189.137.in-addr.arpa.: domain name does not exist
[0] 198.23.189.137.in-addr.arpa.: domain name does not exist
[0] 199.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 200.23.189.137.in-addr.arpa. domain name pointer itsc23200.itsc.cuhk.edu.hk
[86400] 201.23.189.137.in-addr.arpa. domain name pointer itsc23201.itsc.cuhk.edu.hk
[86400] 202.23.189.137.in-addr.arpa. domain name pointer itsc23202.itsc.cuhk.edu.hk
[86400] 203.23.189.137.in-addr.arpa. domain name pointer itsc23203.itsc.cuhk.edu.hk
[86400] 204.23.189.137.in-addr.arpa. domain name pointer itsc23204.itsc.cuhk.edu.hk
[86400] 205.23.189.137.in-addr.arpa. domain name pointer itsc23205.itsc.cuhk.edu.hk
[86400] 206.23.189.137.in-addr.arpa. domain name pointer sca.itsc.cuhk.edu.hk
[86400] 207.23.189.137.in-addr.arpa. domain name pointer itsc23207.itsc.cuhk.edu.hk
[86400] 208.23.189.137.in-addr.arpa. domain name pointer itsc23208.itsc.cuhk.edu.hk
[0] 209.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 210.23.189.137.in-addr.arpa. domain name pointer itsc23210.itsc.cuhk.edu.hk
[86400] 211.23.189.137.in-addr.arpa. domain name pointer itsc23211.itsc.cuhk.edu.hk
[86400] 212.23.189.137.in-addr.arpa. domain name pointer itsc23212.itsc.cuhk.edu.hk
[86400] 213.23.189.137.in-addr.arpa. domain name pointer itsc23213.itsc.cuhk.edu.hk
[0] 214.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 215.23.189.137.in-addr.arpa. domain name pointer itsc23215.itsc.cuhk.edu.hk
[0] 216.23.189.137.in-addr.arpa.: domain name does not exist
[0] 217.23.189.137.in-addr.arpa.: domain name does not exist
[0] 218.23.189.137.in-addr.arpa.: domain name does not exist
[0] 219.23.189.137.in-addr.arpa.: domain name does not exist
[0] 220.23.189.137.in-addr.arpa.: domain name does not exist
[0] 221.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 222.23.189.137.in-addr.arpa. domain name pointer itsc23222.itsc.cuhk.edu.hk
[86400] 223.23.189.137.in-addr.arpa. domain name pointer itsc23223.itsc.cuhk.edu.hk
[86400] 224.23.189.137.in-addr.arpa. domain name pointer itsc23224.itsc.cuhk.edu.hk
[86400] 225.23.189.137.in-addr.arpa. domain name pointer itsc23225.itsc.cuhk.edu.hk
[86400] 226.23.189.137.in-addr.arpa. domain name pointer itsc23226.itsc.cuhk.edu.hk
[86400] 227.23.189.137.in-addr.arpa. domain name pointer itsc23227.itsc.cuhk.edu.hk
[86400] 228.23.189.137.in-addr.arpa. domain name pointer itsc23228.itsc.cuhk.edu.hk
[86400] 229.23.189.137.in-addr.arpa. domain name pointer dopey.csc.cuhk.edu.hk
[0] 230.23.189.137.in-addr.arpa.: domain name does not exist
[0] 231.23.189.137.in-addr.arpa.: domain name does not exist
[0] 232.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 233.23.189.137.in-addr.arpa. domain name pointer boolean.itsc.cuhk.edu.hk
[0] 234.23.189.137.in-addr.arpa.: domain name does not exist
[0] 235.23.189.137.in-addr.arpa.: domain name does not exist
[0] 236.23.189.137.in-addr.arpa.: domain name does not exist
[0] 237.23.189.137.in-addr.arpa.: domain name does not exist
[0] 238.23.189.137.in-addr.arpa.: domain name does not exist
[0] 239.23.189.137.in-addr.arpa.: domain name does not exist
[0] 240.23.189.137.in-addr.arpa.: domain name does not exist
[0] 241.23.189.137.in-addr.arpa.: domain name does not exist
[0] 242.23.189.137.in-addr.arpa.: domain name does not exist
[0] 243.23.189.137.in-addr.arpa.: domain name does not exist
[0] 244.23.189.137.in-addr.arpa.: domain name does not exist
[0] 245.23.189.137.in-addr.arpa.: domain name does not exist
[0] 246.23.189.137.in-addr.arpa.: domain name does not exist
[0] 247.23.189.137.in-addr.arpa.: domain name does not exist
[0] 248.23.189.137.in-addr.arpa.: domain name does not exist
[86400] 249.23.189.137.in-addr.arpa. domain name pointer itsc23249.itsc.cuhk.edu.hk
[0] 250.23.189.137.in-addr.arpa.: domain name does not exist
[0] 251.23.189.137.in-addr.arpa.: domain name does not exist
[0] 252.23.189.137.in-addr.arpa.: domain name does not exist
[0] 253.23.189.137.in-addr.arpa.: domain name does not exist
[0] 254.23.189.137.in-addr.arpa.: domain name does not exist
[0] 255.23.189.137.in-addr.arpa.: domain name does not exist