[0] 0.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 1.64.38.202.in-addr.arpa. domain name pointer ns.ustc.edu.cn
[3600] 2.64.38.202.in-addr.arpa. domain name pointer www.ustc.edu.cn
[3600] 3.64.38.202.in-addr.arpa. domain name pointer bbs.ustc.edu.cn
[3600] 4.64.38.202.in-addr.arpa. domain name pointer www1.ustc.edu.cn
[0] 5.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 6.64.38.202.in-addr.arpa. domain name pointer sqlsrv.nic.ustc.edu.cn
[3600] 7.64.38.202.in-addr.arpa. domain name pointer netfee.ustc.edu.cn
[3600] 8.64.38.202.in-addr.arpa. domain name pointer email.ustc.edu.cn
[0] 9.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 10.64.38.202.in-addr.arpa. domain name pointer home.ustc.edu.cn
[3600] 11.64.38.202.in-addr.arpa. domain name pointer staff.ustc.edu.cn
[0] 12.64.38.202.in-addr.arpa.: domain name does not exist
[0] 13.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 14.64.38.202.in-addr.arpa. domain name pointer mis.ustc.eud.cn
[3600] 15.64.38.202.in-addr.arpa. domain name pointer iris.nic.ustc.edu.cn
[3600] 16.64.38.202.in-addr.arpa. domain name pointer smtp.ustc.edu.cn
[3600] 17.64.38.202.in-addr.arpa. domain name pointer ipv6dns.ustc.edu.cn
[3600] 18.64.38.202.in-addr.arpa. domain name pointer search.ustc.edu.cn
[0] 19.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 20.64.38.202.in-addr.arpa. domain name pointer chime.nic.ustc.edu.cn scg.ustc.edu.cn bridge.ustc.edu.cn online.ustc.edu.cn
[0] 21.64.38.202.in-addr.arpa.: domain name does not exist
[0] 22.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 23.64.38.202.in-addr.arpa. domain name pointer ipv6www.ustc.edu.cn
[0] 24.64.38.202.in-addr.arpa.: domain name does not exist
[0] 25.64.38.202.in-addr.arpa.: domain name does not exist
[0] 26.64.38.202.in-addr.arpa.: domain name does not exist
[0] 27.64.38.202.in-addr.arpa.: domain name does not exist
[0] 28.64.38.202.in-addr.arpa.: domain name does not exist
[0] 29.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 30.64.38.202.in-addr.arpa. domain name pointer backup.ustc.edu.cn hope.nic.ustc.edu.cn
[0] 31.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 32.64.38.202.in-addr.arpa. domain name pointer ihome.ustc.edu.cn
[0] 33.64.38.202.in-addr.arpa.: domain name does not exist
[0] 34.64.38.202.in-addr.arpa.: domain name does not exist
[0] 35.64.38.202.in-addr.arpa.: domain name does not exist
[0] 36.64.38.202.in-addr.arpa.: domain name does not exist
[0] 37.64.38.202.in-addr.arpa.: domain name does not exist
[0] 38.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 39.64.38.202.in-addr.arpa. domain name pointer iftp.ustc.edu.cn
[3600] 40.64.38.202.in-addr.arpa. domain name pointer linux.ustc.edu.cn
[0] 41.64.38.202.in-addr.arpa.: domain name does not exist
[0] 42.64.38.202.in-addr.arpa.: domain name does not exist
[0] 43.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 44.64.38.202.in-addr.arpa. domain name pointer realcourse.ustc.edu.cn
[0] 45.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 46.64.38.202.in-addr.arpa. domain name pointer smtp2.ustc.edu.cn
[0] 47.64.38.202.in-addr.arpa.: domain name does not exist
[0] 48.64.38.202.in-addr.arpa.: domain name does not exist
[0] 49.64.38.202.in-addr.arpa.: domain name does not exist
[0] 50.64.38.202.in-addr.arpa.: domain name does not exist
[0] 51.64.38.202.in-addr.arpa.: domain name does not exist
[0] 52.64.38.202.in-addr.arpa.: domain name does not exist
[0] 53.64.38.202.in-addr.arpa.: domain name does not exist
[0] 54.64.38.202.in-addr.arpa.: domain name does not exist
[0] 55.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 56.64.38.202.in-addr.arpa. domain name pointer mx.ustc.edu.cn
[3600] 57.64.38.202.in-addr.arpa. domain name pointer antispam.ustc.edu.cn
[0] 58.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 59.64.38.202.in-addr.arpa. domain name pointer wlt.ustc.edu.cn
[0] 60.64.38.202.in-addr.arpa.: domain name does not exist
[0] 61.64.38.202.in-addr.arpa.: domain name does not exist
[0] 62.64.38.202.in-addr.arpa.: domain name does not exist
[0] 63.64.38.202.in-addr.arpa.: domain name does not exist
[0] 64.64.38.202.in-addr.arpa.: domain name does not exist
[0] 65.64.38.202.in-addr.arpa.: domain name does not exist
[0] 66.64.38.202.in-addr.arpa.: domain name does not exist
[0] 67.64.38.202.in-addr.arpa.: domain name does not exist
[0] 68.64.38.202.in-addr.arpa.: domain name does not exist
[0] 69.64.38.202.in-addr.arpa.: domain name does not exist
[0] 70.64.38.202.in-addr.arpa.: domain name does not exist
[0] 71.64.38.202.in-addr.arpa.: domain name does not exist
[0] 72.64.38.202.in-addr.arpa.: domain name does not exist
[0] 73.64.38.202.in-addr.arpa.: domain name does not exist
[0] 74.64.38.202.in-addr.arpa.: domain name does not exist
[0] 75.64.38.202.in-addr.arpa.: domain name does not exist
[0] 76.64.38.202.in-addr.arpa.: domain name does not exist
[0] 77.64.38.202.in-addr.arpa.: domain name does not exist
[0] 78.64.38.202.in-addr.arpa.: domain name does not exist
[0] 79.64.38.202.in-addr.arpa.: domain name does not exist
[0] 80.64.38.202.in-addr.arpa.: domain name does not exist
[0] 81.64.38.202.in-addr.arpa.: domain name does not exist
[0] 82.64.38.202.in-addr.arpa.: domain name does not exist
[0] 83.64.38.202.in-addr.arpa.: domain name does not exist
[0] 84.64.38.202.in-addr.arpa.: domain name does not exist
[0] 85.64.38.202.in-addr.arpa.: domain name does not exist
[0] 86.64.38.202.in-addr.arpa.: domain name does not exist
[0] 87.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 88.64.38.202.in-addr.arpa. domain name pointer nicbbs.ustc.edu.cn
[0] 89.64.38.202.in-addr.arpa.: domain name does not exist
[0] 90.64.38.202.in-addr.arpa.: domain name does not exist
[0] 91.64.38.202.in-addr.arpa.: domain name does not exist
[0] 92.64.38.202.in-addr.arpa.: domain name does not exist
[0] 93.64.38.202.in-addr.arpa.: domain name does not exist
[0] 94.64.38.202.in-addr.arpa.: domain name does not exist
[0] 95.64.38.202.in-addr.arpa.: domain name does not exist
[0] 96.64.38.202.in-addr.arpa.: domain name does not exist
[0] 97.64.38.202.in-addr.arpa.: domain name does not exist
[0] 98.64.38.202.in-addr.arpa.: domain name does not exist
[0] 99.64.38.202.in-addr.arpa.: domain name does not exist
[0] 100.64.38.202.in-addr.arpa.: domain name does not exist
[0] 101.64.38.202.in-addr.arpa.: domain name does not exist
[0] 102.64.38.202.in-addr.arpa.: domain name does not exist
[0] 103.64.38.202.in-addr.arpa.: domain name does not exist
[0] 104.64.38.202.in-addr.arpa.: domain name does not exist
[0] 105.64.38.202.in-addr.arpa.: domain name does not exist
[0] 106.64.38.202.in-addr.arpa.: domain name does not exist
[0] 107.64.38.202.in-addr.arpa.: domain name does not exist
[0] 108.64.38.202.in-addr.arpa.: domain name does not exist
[0] 109.64.38.202.in-addr.arpa.: domain name does not exist
[0] 110.64.38.202.in-addr.arpa.: domain name does not exist
[0] 111.64.38.202.in-addr.arpa.: domain name does not exist
[0] 112.64.38.202.in-addr.arpa.: domain name does not exist
[0] 113.64.38.202.in-addr.arpa.: domain name does not exist
[0] 114.64.38.202.in-addr.arpa.: domain name does not exist
[0] 115.64.38.202.in-addr.arpa.: domain name does not exist
[0] 116.64.38.202.in-addr.arpa.: domain name does not exist
[0] 117.64.38.202.in-addr.arpa.: domain name does not exist
[0] 118.64.38.202.in-addr.arpa.: domain name does not exist
[0] 119.64.38.202.in-addr.arpa.: domain name does not exist
[0] 120.64.38.202.in-addr.arpa.: domain name does not exist
[0] 121.64.38.202.in-addr.arpa.: domain name does not exist
[0] 122.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 123.64.38.202.in-addr.arpa. domain name pointer web.ustc.edu.cn
[0] 124.64.38.202.in-addr.arpa.: domain name does not exist
[0] 125.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 126.64.38.202.in-addr.arpa. domain name pointer local-gw.ustc.edu.cn
[0] 127.64.38.202.in-addr.arpa.: domain name does not exist
[0] 128.64.38.202.in-addr.arpa.: domain name does not exist
[0] 129.64.38.202.in-addr.arpa.: domain name does not exist
[0] 130.64.38.202.in-addr.arpa.: domain name does not exist
[0] 131.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 132.64.38.202.in-addr.arpa. domain name pointer notesrv.nic.ustc.edu.cn register.ustc.edu.cn
[0] 133.64.38.202.in-addr.arpa.: domain name does not exist
[0] 134.64.38.202.in-addr.arpa.: domain name does not exist
[0] 135.64.38.202.in-addr.arpa.: domain name does not exist
[0] 136.64.38.202.in-addr.arpa.: domain name does not exist
[0] 137.64.38.202.in-addr.arpa.: domain name does not exist
[0] 138.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 139.64.38.202.in-addr.arpa. domain name pointer qx.nic.ustc.edu.cn
[0] 140.64.38.202.in-addr.arpa.: domain name does not exist
[0] 141.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 142.64.38.202.in-addr.arpa. domain name pointer spade.ustc.edu.cn
[3600] 143.64.38.202.in-addr.arpa. domain name pointer james.ustc.edu.cn
[0] 144.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 145.64.38.202.in-addr.arpa. domain name pointer visu.nic.ustc.edu.cn
[0] 146.64.38.202.in-addr.arpa.: domain name does not exist
[0] 147.64.38.202.in-addr.arpa.: domain name does not exist
[0] 148.64.38.202.in-addr.arpa.: domain name does not exist
[0] 149.64.38.202.in-addr.arpa.: domain name does not exist
[0] 150.64.38.202.in-addr.arpa.: domain name does not exist
[0] 151.64.38.202.in-addr.arpa.: domain name does not exist
[0] 152.64.38.202.in-addr.arpa.: domain name does not exist
[0] 153.64.38.202.in-addr.arpa.: domain name does not exist
[0] 154.64.38.202.in-addr.arpa.: domain name does not exist
[0] 155.64.38.202.in-addr.arpa.: domain name does not exist
[0] 156.64.38.202.in-addr.arpa.: domain name does not exist
[0] 157.64.38.202.in-addr.arpa.: domain name does not exist
[0] 158.64.38.202.in-addr.arpa.: domain name does not exist
[0] 159.64.38.202.in-addr.arpa.: domain name does not exist
[0] 160.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 161.64.38.202.in-addr.arpa. domain name pointer hellyguo.ustc.edu.cn
[0] 162.64.38.202.in-addr.arpa.: domain name does not exist
[0] 163.64.38.202.in-addr.arpa.: domain name does not exist
[0] 164.64.38.202.in-addr.arpa.: domain name does not exist
[0] 165.64.38.202.in-addr.arpa.: domain name does not exist
[0] 166.64.38.202.in-addr.arpa.: domain name does not exist
[0] 167.64.38.202.in-addr.arpa.: domain name does not exist
[0] 168.64.38.202.in-addr.arpa.: domain name does not exist
[0] 169.64.38.202.in-addr.arpa.: domain name does not exist
[0] 170.64.38.202.in-addr.arpa.: domain name does not exist
[0] 171.64.38.202.in-addr.arpa.: domain name does not exist
[0] 172.64.38.202.in-addr.arpa.: domain name does not exist
[0] 173.64.38.202.in-addr.arpa.: domain name does not exist
[0] 174.64.38.202.in-addr.arpa.: domain name does not exist
[0] 175.64.38.202.in-addr.arpa.: domain name does not exist
[0] 176.64.38.202.in-addr.arpa.: domain name does not exist
[0] 177.64.38.202.in-addr.arpa.: domain name does not exist
[0] 178.64.38.202.in-addr.arpa.: domain name does not exist
[0] 179.64.38.202.in-addr.arpa.: domain name does not exist
[0] 180.64.38.202.in-addr.arpa.: domain name does not exist
[0] 181.64.38.202.in-addr.arpa.: domain name does not exist
[0] 182.64.38.202.in-addr.arpa.: domain name does not exist
[0] 183.64.38.202.in-addr.arpa.: domain name does not exist
[0] 184.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 185.64.38.202.in-addr.arpa. domain name pointer ipv6.ustc.edu.cn
[0] 186.64.38.202.in-addr.arpa.: domain name does not exist
[0] 187.64.38.202.in-addr.arpa.: domain name does not exist
[0] 188.64.38.202.in-addr.arpa.: domain name does not exist
[0] 189.64.38.202.in-addr.arpa.: domain name does not exist
[0] 190.64.38.202.in-addr.arpa.: domain name does not exist
[0] 191.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 192.64.38.202.in-addr.arpa. domain name pointer mis.ustc.edu.cn
[0] 193.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 194.64.38.202.in-addr.arpa. domain name pointer www3.ustc.edu.cn
[0] 195.64.38.202.in-addr.arpa.: domain name does not exist
[0] 196.64.38.202.in-addr.arpa.: domain name does not exist
[0] 197.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 198.64.38.202.in-addr.arpa. domain name pointer test.ipv6.ustc.edu.cn
[0] 199.64.38.202.in-addr.arpa.: domain name does not exist
[0] 200.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 201.64.38.202.in-addr.arpa. domain name pointer simba.nic.ustc.edu.cn
[0] 202.64.38.202.in-addr.arpa.: domain name does not exist
[0] 203.64.38.202.in-addr.arpa.: domain name does not exist
[0] 204.64.38.202.in-addr.arpa.: domain name does not exist
[0] 205.64.38.202.in-addr.arpa.: domain name does not exist
[0] 206.64.38.202.in-addr.arpa.: domain name does not exist
[0] 207.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 208.64.38.202.in-addr.arpa. domain name pointer hmli.ustc.edu.cn
[3600] 209.64.38.202.in-addr.arpa. domain name pointer redhat.ustc.edu.cn
[0] 210.64.38.202.in-addr.arpa.: domain name does not exist
[0] 211.64.38.202.in-addr.arpa.: domain name does not exist
[0] 212.64.38.202.in-addr.arpa.: domain name does not exist
[0] 213.64.38.202.in-addr.arpa.: domain name does not exist
[0] 214.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 215.64.38.202.in-addr.arpa. domain name pointer gatekeeper.grid.ustc.edu.cn
[0] 216.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 217.64.38.202.in-addr.arpa. domain name pointer sat.grid.ustc.edu.cn
[0] 218.64.38.202.in-addr.arpa.: domain name does not exist
[0] 219.64.38.202.in-addr.arpa.: domain name does not exist
[0] 220.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 221.64.38.202.in-addr.arpa. domain name pointer bbs2.ustc.edu.cn
[0] 222.64.38.202.in-addr.arpa.: domain name does not exist
[0] 223.64.38.202.in-addr.arpa.: domain name does not exist
[0] 224.64.38.202.in-addr.arpa.: domain name does not exist
[0] 225.64.38.202.in-addr.arpa.: domain name does not exist
[0] 226.64.38.202.in-addr.arpa.: domain name does not exist
[0] 227.64.38.202.in-addr.arpa.: domain name does not exist
[0] 228.64.38.202.in-addr.arpa.: domain name does not exist
[0] 229.64.38.202.in-addr.arpa.: domain name does not exist
[0] 230.64.38.202.in-addr.arpa.: domain name does not exist
[0] 231.64.38.202.in-addr.arpa.: domain name does not exist
[0] 232.64.38.202.in-addr.arpa.: domain name does not exist
[0] 233.64.38.202.in-addr.arpa.: domain name does not exist
[0] 234.64.38.202.in-addr.arpa.: domain name does not exist
[0] 235.64.38.202.in-addr.arpa.: domain name does not exist
[0] 236.64.38.202.in-addr.arpa.: domain name does not exist
[0] 237.64.38.202.in-addr.arpa.: domain name does not exist
[0] 238.64.38.202.in-addr.arpa.: domain name does not exist
[0] 239.64.38.202.in-addr.arpa.: domain name does not exist
[0] 240.64.38.202.in-addr.arpa.: domain name does not exist
[3600] 241.64.38.202.in-addr.arpa. domain name pointer fbbs2.ustc.edu.cn
[0] 242.64.38.202.in-addr.arpa.: domain name does not exist
[0] 243.64.38.202.in-addr.arpa.: domain name does not exist
[0] 244.64.38.202.in-addr.arpa.: domain name does not exist
[0] 245.64.38.202.in-addr.arpa.: domain name does not exist
[0] 246.64.38.202.in-addr.arpa.: domain name does not exist
[0] 247.64.38.202.in-addr.arpa.: domain name does not exist
[0] 248.64.38.202.in-addr.arpa.: domain name does not exist
[0] 249.64.38.202.in-addr.arpa.: domain name does not exist
[0] 250.64.38.202.in-addr.arpa.: domain name does not exist
[0] 251.64.38.202.in-addr.arpa.: domain name does not exist
[0] 252.64.38.202.in-addr.arpa.: domain name does not exist
[0] 253.64.38.202.in-addr.arpa.: domain name does not exist
[0] 254.64.38.202.in-addr.arpa.: domain name does not exist
[0] 255.64.38.202.in-addr.arpa.: domain name does not exist