[0] 0.203.105.162.in-addr.arpa.: domain name does not exist
[0] 1.203.105.162.in-addr.arpa.: domain name does not exist
[0] 2.203.105.162.in-addr.arpa.: domain name does not exist
[0] 3.203.105.162.in-addr.arpa.: domain name does not exist
[0] 4.203.105.162.in-addr.arpa.: domain name does not exist
[0] 5.203.105.162.in-addr.arpa.: domain name does not exist
[0] 6.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 7.203.105.162.in-addr.arpa. domain name pointer cs.pku.edu.cn
[0] 8.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 9.203.105.162.in-addr.arpa. domain name pointer mprc.pku.edu.cn
[0] 10.203.105.162.in-addr.arpa.: domain name does not exist
[0] 11.203.105.162.in-addr.arpa.: domain name does not exist
[0] 12.203.105.162.in-addr.arpa.: domain name does not exist
[0] 13.203.105.162.in-addr.arpa.: domain name does not exist
[0] 14.203.105.162.in-addr.arpa.: domain name does not exist
[0] 15.203.105.162.in-addr.arpa.: domain name does not exist
[0] 16.203.105.162.in-addr.arpa.: domain name does not exist
[0] 17.203.105.162.in-addr.arpa.: domain name does not exist
[0] 18.203.105.162.in-addr.arpa.: domain name does not exist
[0] 19.203.105.162.in-addr.arpa.: domain name does not exist
[0] 20.203.105.162.in-addr.arpa.: domain name does not exist
[0] 21.203.105.162.in-addr.arpa.: domain name does not exist
[0] 22.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 23.203.105.162.in-addr.arpa. domain name pointer wec.pku.edu.cn
[3600] 24.203.105.162.in-addr.arpa. domain name pointer csnetlib.pku.edu.cn
[3600] 25.203.105.162.in-addr.arpa. domain name pointer net.pku.edu.cn
[3600] 26.203.105.162.in-addr.arpa. domain name pointer map.pku.edu.cn gis.pku.edu.cn
[0] 27.203.105.162.in-addr.arpa.: domain name does not exist
[0] 28.203.105.162.in-addr.arpa.: domain name does not exist
[0] 29.203.105.162.in-addr.arpa.: domain name does not exist
[0] 30.203.105.162.in-addr.arpa.: domain name does not exist
[0] 31.203.105.162.in-addr.arpa.: domain name does not exist
[0] 32.203.105.162.in-addr.arpa.: domain name does not exist
[0] 33.203.105.162.in-addr.arpa.: domain name does not exist
[0] 34.203.105.162.in-addr.arpa.: domain name does not exist
[0] 35.203.105.162.in-addr.arpa.: domain name does not exist
[0] 36.203.105.162.in-addr.arpa.: domain name does not exist
[0] 37.203.105.162.in-addr.arpa.: domain name does not exist
[0] 38.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 39.203.105.162.in-addr.arpa. domain name pointer ailib.pku.edu.cn ailab.pku.edu.cn
[3600] 40.203.105.162.in-addr.arpa. domain name pointer ebusiness.pku.edu.cn
[0] 41.203.105.162.in-addr.arpa.: domain name does not exist
[0] 42.203.105.162.in-addr.arpa.: domain name does not exist
[0] 43.203.105.162.in-addr.arpa.: domain name does not exist
[0] 44.203.105.162.in-addr.arpa.: domain name does not exist
[0] 45.203.105.162.in-addr.arpa.: domain name does not exist
[0] 46.203.105.162.in-addr.arpa.: domain name does not exist
[0] 47.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 48.203.105.162.in-addr.arpa. domain name pointer os.pku.edu.cn
[0] 49.203.105.162.in-addr.arpa.: domain name does not exist
[0] 50.203.105.162.in-addr.arpa.: domain name does not exist
[0] 51.203.105.162.in-addr.arpa.: domain name does not exist
[0] 52.203.105.162.in-addr.arpa.: domain name does not exist
[0] 53.203.105.162.in-addr.arpa.: domain name does not exist
[0] 54.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 55.203.105.162.in-addr.arpa. domain name pointer ssw.pku.edu.cn sei.pku.edu.cn
[0] 56.203.105.162.in-addr.arpa.: domain name does not exist
[0] 57.203.105.162.in-addr.arpa.: domain name does not exist
[0] 58.203.105.162.in-addr.arpa.: domain name does not exist
[0] 59.203.105.162.in-addr.arpa.: domain name does not exist
[0] 60.203.105.162.in-addr.arpa.: domain name does not exist
[0] 61.203.105.162.in-addr.arpa.: domain name does not exist
[0] 62.203.105.162.in-addr.arpa.: domain name does not exist
[0] 63.203.105.162.in-addr.arpa.: domain name does not exist
[0] 64.203.105.162.in-addr.arpa.: domain name does not exist
[0] 65.203.105.162.in-addr.arpa.: domain name does not exist
[0] 66.203.105.162.in-addr.arpa.: domain name does not exist
[0] 67.203.105.162.in-addr.arpa.: domain name does not exist
[0] 68.203.105.162.in-addr.arpa.: domain name does not exist
[0] 69.203.105.162.in-addr.arpa.: domain name does not exist
[0] 70.203.105.162.in-addr.arpa.: domain name does not exist
[0] 71.203.105.162.in-addr.arpa.: domain name does not exist
[0] 72.203.105.162.in-addr.arpa.: domain name does not exist
[0] 73.203.105.162.in-addr.arpa.: domain name does not exist
[0] 74.203.105.162.in-addr.arpa.: domain name does not exist
[0] 75.203.105.162.in-addr.arpa.: domain name does not exist
[0] 76.203.105.162.in-addr.arpa.: domain name does not exist
[0] 77.203.105.162.in-addr.arpa.: domain name does not exist
[0] 78.203.105.162.in-addr.arpa.: domain name does not exist
[0] 79.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 80.203.105.162.in-addr.arpa. domain name pointer graphics.pku.edu.cn
[0] 81.203.105.162.in-addr.arpa.: domain name does not exist
[0] 82.203.105.162.in-addr.arpa.: domain name does not exist
[0] 83.203.105.162.in-addr.arpa.: domain name does not exist
[0] 84.203.105.162.in-addr.arpa.: domain name does not exist
[0] 85.203.105.162.in-addr.arpa.: domain name does not exist
[0] 86.203.105.162.in-addr.arpa.: domain name does not exist
[0] 87.203.105.162.in-addr.arpa.: domain name does not exist
[0] 88.203.105.162.in-addr.arpa.: domain name does not exist
[0] 89.203.105.162.in-addr.arpa.: domain name does not exist
[0] 90.203.105.162.in-addr.arpa.: domain name does not exist
[0] 91.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 92.203.105.162.in-addr.arpa. domain name pointer sttp.pku.edu.cn
[0] 93.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 94.203.105.162.in-addr.arpa. domain name pointer cstu.pku.edu.cn
[0] 95.203.105.162.in-addr.arpa.: domain name does not exist
[0] 96.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 97.203.105.162.in-addr.arpa. domain name pointer jsch.pku.edu.cn
[3600] 98.203.105.162.in-addr.arpa. domain name pointer db.pku.edu.cn
[3600] 99.203.105.162.in-addr.arpa. domain name pointer rdb01.pku.edu.cn
[0] 100.203.105.162.in-addr.arpa.: domain name does not exist
[0] 101.203.105.162.in-addr.arpa.: domain name does not exist
[0] 102.203.105.162.in-addr.arpa.: domain name does not exist
[0] 103.203.105.162.in-addr.arpa.: domain name does not exist
[0] 104.203.105.162.in-addr.arpa.: domain name does not exist
[0] 105.203.105.162.in-addr.arpa.: domain name does not exist
[0] 106.203.105.162.in-addr.arpa.: domain name does not exist
[0] 107.203.105.162.in-addr.arpa.: domain name does not exist
[0] 108.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 109.203.105.162.in-addr.arpa. domain name pointer csycjx.pku.edu.cn
[3600] 110.203.105.162.in-addr.arpa. domain name pointer conference.pku.edu.cn
[0] 111.203.105.162.in-addr.arpa.: domain name does not exist
[0] 112.203.105.162.in-addr.arpa.: domain name does not exist
[0] 113.203.105.162.in-addr.arpa.: domain name does not exist
[0] 114.203.105.162.in-addr.arpa.: domain name does not exist
[0] 115.203.105.162.in-addr.arpa.: domain name does not exist
[0] 116.203.105.162.in-addr.arpa.: domain name does not exist
[0] 117.203.105.162.in-addr.arpa.: domain name does not exist
[0] 118.203.105.162.in-addr.arpa.: domain name does not exist
[0] 119.203.105.162.in-addr.arpa.: domain name does not exist
[0] 120.203.105.162.in-addr.arpa.: domain name does not exist
[0] 121.203.105.162.in-addr.arpa.: domain name does not exist
[0] 122.203.105.162.in-addr.arpa.: domain name does not exist
[0] 123.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 124.203.105.162.in-addr.arpa. domain name pointer grid.pku.edu.cn
[3600] 125.203.105.162.in-addr.arpa. domain name pointer gridlab.pku.edu.cn
[3600] 126.203.105.162.in-addr.arpa. domain name pointer hpc.pku.edu.cn
[0] 127.203.105.162.in-addr.arpa.: domain name does not exist
[0] 128.203.105.162.in-addr.arpa.: domain name does not exist
[0] 129.203.105.162.in-addr.arpa.: domain name does not exist
[0] 130.203.105.162.in-addr.arpa.: domain name does not exist
[0] 131.203.105.162.in-addr.arpa.: domain name does not exist
[0] 132.203.105.162.in-addr.arpa.: domain name does not exist
[0] 133.203.105.162.in-addr.arpa.: domain name does not exist
[0] 134.203.105.162.in-addr.arpa.: domain name does not exist
[0] 135.203.105.162.in-addr.arpa.: domain name does not exist
[0] 136.203.105.162.in-addr.arpa.: domain name does not exist
[0] 137.203.105.162.in-addr.arpa.: domain name does not exist
[0] 138.203.105.162.in-addr.arpa.: domain name does not exist
[0] 139.203.105.162.in-addr.arpa.: domain name does not exist
[0] 140.203.105.162.in-addr.arpa.: domain name does not exist
[0] 141.203.105.162.in-addr.arpa.: domain name does not exist
[0] 142.203.105.162.in-addr.arpa.: domain name does not exist
[0] 143.203.105.162.in-addr.arpa.: domain name does not exist
[0] 144.203.105.162.in-addr.arpa.: domain name does not exist
[0] 145.203.105.162.in-addr.arpa.: domain name does not exist
[0] 146.203.105.162.in-addr.arpa.: domain name does not exist
[0] 147.203.105.162.in-addr.arpa.: domain name does not exist
[0] 148.203.105.162.in-addr.arpa.: domain name does not exist
[0] 149.203.105.162.in-addr.arpa.: domain name does not exist
[0] 150.203.105.162.in-addr.arpa.: domain name does not exist
[0] 151.203.105.162.in-addr.arpa.: domain name does not exist
[0] 152.203.105.162.in-addr.arpa.: domain name does not exist
[0] 153.203.105.162.in-addr.arpa.: domain name does not exist
[0] 154.203.105.162.in-addr.arpa.: domain name does not exist
[0] 155.203.105.162.in-addr.arpa.: domain name does not exist
[0] 156.203.105.162.in-addr.arpa.: domain name does not exist
[0] 157.203.105.162.in-addr.arpa.: domain name does not exist
[0] 158.203.105.162.in-addr.arpa.: domain name does not exist
[0] 159.203.105.162.in-addr.arpa.: domain name does not exist
[0] 160.203.105.162.in-addr.arpa.: domain name does not exist
[0] 161.203.105.162.in-addr.arpa.: domain name does not exist
[0] 162.203.105.162.in-addr.arpa.: domain name does not exist
[0] 163.203.105.162.in-addr.arpa.: domain name does not exist
[0] 164.203.105.162.in-addr.arpa.: domain name does not exist
[0] 165.203.105.162.in-addr.arpa.: domain name does not exist
[0] 166.203.105.162.in-addr.arpa.: domain name does not exist
[0] 167.203.105.162.in-addr.arpa.: domain name does not exist
[0] 168.203.105.162.in-addr.arpa.: domain name does not exist
[0] 169.203.105.162.in-addr.arpa.: domain name does not exist
[0] 170.203.105.162.in-addr.arpa.: domain name does not exist
[0] 171.203.105.162.in-addr.arpa.: domain name does not exist
[0] 172.203.105.162.in-addr.arpa.: domain name does not exist
[0] 173.203.105.162.in-addr.arpa.: domain name does not exist
[0] 174.203.105.162.in-addr.arpa.: domain name does not exist
[0] 175.203.105.162.in-addr.arpa.: domain name does not exist
[0] 176.203.105.162.in-addr.arpa.: domain name does not exist
[0] 177.203.105.162.in-addr.arpa.: domain name does not exist
[0] 178.203.105.162.in-addr.arpa.: domain name does not exist
[0] 179.203.105.162.in-addr.arpa.: domain name does not exist
[0] 180.203.105.162.in-addr.arpa.: domain name does not exist
[0] 181.203.105.162.in-addr.arpa.: domain name does not exist
[0] 182.203.105.162.in-addr.arpa.: domain name does not exist
[0] 183.203.105.162.in-addr.arpa.: domain name does not exist
[0] 184.203.105.162.in-addr.arpa.: domain name does not exist
[0] 185.203.105.162.in-addr.arpa.: domain name does not exist
[0] 186.203.105.162.in-addr.arpa.: domain name does not exist
[0] 187.203.105.162.in-addr.arpa.: domain name does not exist
[0] 188.203.105.162.in-addr.arpa.: domain name does not exist
[0] 189.203.105.162.in-addr.arpa.: domain name does not exist
[0] 190.203.105.162.in-addr.arpa.: domain name does not exist
[0] 191.203.105.162.in-addr.arpa.: domain name does not exist
[0] 192.203.105.162.in-addr.arpa.: domain name does not exist
[0] 193.203.105.162.in-addr.arpa.: domain name does not exist
[0] 194.203.105.162.in-addr.arpa.: domain name does not exist
[0] 195.203.105.162.in-addr.arpa.: domain name does not exist
[0] 196.203.105.162.in-addr.arpa.: domain name does not exist
[0] 197.203.105.162.in-addr.arpa.: domain name does not exist
[0] 198.203.105.162.in-addr.arpa.: domain name does not exist
[0] 199.203.105.162.in-addr.arpa.: domain name does not exist
[0] 200.203.105.162.in-addr.arpa.: domain name does not exist
[0] 201.203.105.162.in-addr.arpa.: domain name does not exist
[0] 202.203.105.162.in-addr.arpa.: domain name does not exist
[0] 203.203.105.162.in-addr.arpa.: domain name does not exist
[0] 204.203.105.162.in-addr.arpa.: domain name does not exist
[0] 205.203.105.162.in-addr.arpa.: domain name does not exist
[0] 206.203.105.162.in-addr.arpa.: domain name does not exist
[0] 207.203.105.162.in-addr.arpa.: domain name does not exist
[0] 208.203.105.162.in-addr.arpa.: domain name does not exist
[0] 209.203.105.162.in-addr.arpa.: domain name does not exist
[0] 210.203.105.162.in-addr.arpa.: domain name does not exist
[0] 211.203.105.162.in-addr.arpa.: domain name does not exist
[0] 212.203.105.162.in-addr.arpa.: domain name does not exist
[0] 213.203.105.162.in-addr.arpa.: domain name does not exist
[0] 214.203.105.162.in-addr.arpa.: domain name does not exist
[0] 215.203.105.162.in-addr.arpa.: domain name does not exist
[0] 216.203.105.162.in-addr.arpa.: domain name does not exist
[0] 217.203.105.162.in-addr.arpa.: domain name does not exist
[0] 218.203.105.162.in-addr.arpa.: domain name does not exist
[0] 219.203.105.162.in-addr.arpa.: domain name does not exist
[0] 220.203.105.162.in-addr.arpa.: domain name does not exist
[0] 221.203.105.162.in-addr.arpa.: domain name does not exist
[0] 222.203.105.162.in-addr.arpa.: domain name does not exist
[0] 223.203.105.162.in-addr.arpa.: domain name does not exist
[0] 224.203.105.162.in-addr.arpa.: domain name does not exist
[0] 225.203.105.162.in-addr.arpa.: domain name does not exist
[0] 226.203.105.162.in-addr.arpa.: domain name does not exist
[0] 227.203.105.162.in-addr.arpa.: domain name does not exist
[0] 228.203.105.162.in-addr.arpa.: domain name does not exist
[0] 229.203.105.162.in-addr.arpa.: domain name does not exist
[0] 230.203.105.162.in-addr.arpa.: domain name does not exist
[0] 231.203.105.162.in-addr.arpa.: domain name does not exist
[0] 232.203.105.162.in-addr.arpa.: domain name does not exist
[0] 233.203.105.162.in-addr.arpa.: domain name does not exist
[0] 234.203.105.162.in-addr.arpa.: domain name does not exist
[0] 235.203.105.162.in-addr.arpa.: domain name does not exist
[0] 236.203.105.162.in-addr.arpa.: domain name does not exist
[0] 237.203.105.162.in-addr.arpa.: domain name does not exist
[0] 238.203.105.162.in-addr.arpa.: domain name does not exist
[0] 239.203.105.162.in-addr.arpa.: domain name does not exist
[0] 240.203.105.162.in-addr.arpa.: domain name does not exist
[0] 241.203.105.162.in-addr.arpa.: domain name does not exist
[0] 242.203.105.162.in-addr.arpa.: domain name does not exist
[0] 243.203.105.162.in-addr.arpa.: domain name does not exist
[0] 244.203.105.162.in-addr.arpa.: domain name does not exist
[0] 245.203.105.162.in-addr.arpa.: domain name does not exist
[0] 246.203.105.162.in-addr.arpa.: domain name does not exist
[0] 247.203.105.162.in-addr.arpa.: domain name does not exist
[0] 248.203.105.162.in-addr.arpa.: domain name does not exist
[0] 249.203.105.162.in-addr.arpa.: domain name does not exist
[0] 250.203.105.162.in-addr.arpa.: domain name does not exist
[3600] 251.203.105.162.in-addr.arpa. domain name pointer zhpnt.pku.edu.cn
[0] 252.203.105.162.in-addr.arpa.: domain name does not exist
[0] 253.203.105.162.in-addr.arpa.: domain name does not exist
[0] 254.203.105.162.in-addr.arpa.: domain name does not exist
[0] 255.203.105.162.in-addr.arpa.: domain name does not exist