[0] 0.56.66.59.in-addr.arpa.: domain name does not exist
[86400] 1.56.66.59.in-addr.arpa. domain name pointer th056001.ip.tsinghua.edu.cn
[86400] 2.56.66.59.in-addr.arpa. domain name pointer th056002.ip.tsinghua.edu.cn
[0] 3.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 4.56.66.59.in-addr.arpa. domain name pointer th056004.ip.tsinghua.edu.cn
[0] 5.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 6.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 7.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 8.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 9.56.66.59.in-addr.arpa. domain name pointer th056009.ip.tsinghua.edu.cn
[86400] 10.56.66.59.in-addr.arpa. domain name pointer th056010.ip.tsinghua.edu.cn
[86400] 11.56.66.59.in-addr.arpa. domain name pointer th056011.ip.tsinghua.edu.cn
[86400] 12.56.66.59.in-addr.arpa. domain name pointer th056012.ip.tsinghua.edu.cn
[86400] 13.56.66.59.in-addr.arpa. domain name pointer th056013.ip.tsinghua.edu.cn
[86400] 14.56.66.59.in-addr.arpa. domain name pointer th056014.ip.tsinghua.edu.cn
[86400] 15.56.66.59.in-addr.arpa. domain name pointer th056015.ip.tsinghua.edu.cn
[86400] 16.56.66.59.in-addr.arpa. domain name pointer th056016.ip.tsinghua.edu.cn
[86400] 17.56.66.59.in-addr.arpa. domain name pointer th056017.ip.tsinghua.edu.cn
[86400] 18.56.66.59.in-addr.arpa. domain name pointer th056018.ip.tsinghua.edu.cn
[86400] 19.56.66.59.in-addr.arpa. domain name pointer th056019.ip.tsinghua.edu.cn
[86400] 20.56.66.59.in-addr.arpa. domain name pointer th056020.ip.tsinghua.edu.cn
[86400] 21.56.66.59.in-addr.arpa. domain name pointer th056021.ip.tsinghua.edu.cn
[0] 22.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 23.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 24.56.66.59.in-addr.arpa. domain name pointer th056024.ip.tsinghua.edu.cn
[86400] 25.56.66.59.in-addr.arpa. domain name pointer th056025.ip.tsinghua.edu.cn
[86400] 26.56.66.59.in-addr.arpa. domain name pointer th056026.ip.tsinghua.edu.cn
[86400] 27.56.66.59.in-addr.arpa. domain name pointer th056027.ip.tsinghua.edu.cn
[0] 28.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 29.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 30.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 31.56.66.59.in-addr.arpa. domain name pointer th056031.ip.tsinghua.edu.cn
[86400] 32.56.66.59.in-addr.arpa. domain name pointer th056032.ip.tsinghua.edu.cn
[86400] 33.56.66.59.in-addr.arpa. domain name pointer th056033.ip.tsinghua.edu.cn
[86400] 34.56.66.59.in-addr.arpa. domain name pointer th056034.ip.tsinghua.edu.cn
[86400] 35.56.66.59.in-addr.arpa. domain name pointer th056035.ip.tsinghua.edu.cn
[86400] 36.56.66.59.in-addr.arpa. domain name pointer th056036.ip.tsinghua.edu.cn
[86400] 37.56.66.59.in-addr.arpa. domain name pointer th056037.ip.tsinghua.edu.cn
[86400] 38.56.66.59.in-addr.arpa. domain name pointer th056038.ip.tsinghua.edu.cn
[0] 39.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 40.56.66.59.in-addr.arpa. domain name pointer th056040.ip.tsinghua.edu.cn
[86400] 41.56.66.59.in-addr.arpa. domain name pointer th056041.ip.tsinghua.edu.cn
[86400] 42.56.66.59.in-addr.arpa. domain name pointer th056042.ip.tsinghua.edu.cn
[86400] 43.56.66.59.in-addr.arpa. domain name pointer th056043.ip.tsinghua.edu.cn
[86400] 44.56.66.59.in-addr.arpa. domain name pointer th056044.ip.tsinghua.edu.cn
[0] 45.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 46.56.66.59.in-addr.arpa. domain name pointer th056046.ip.tsinghua.edu.cn
[86400] 47.56.66.59.in-addr.arpa. domain name pointer th056047.ip.tsinghua.edu.cn
[86400] 48.56.66.59.in-addr.arpa. domain name pointer th056048.ip.tsinghua.edu.cn
[86400] 49.56.66.59.in-addr.arpa. domain name pointer th056049.ip.tsinghua.edu.cn
[86400] 50.56.66.59.in-addr.arpa. domain name pointer th056050.ip.tsinghua.edu.cn
[86400] 51.56.66.59.in-addr.arpa. domain name pointer th056051.ip.tsinghua.edu.cn
[86400] 52.56.66.59.in-addr.arpa. domain name pointer th056052.ip.tsinghua.edu.cn
[86400] 53.56.66.59.in-addr.arpa. domain name pointer th056053.ip.tsinghua.edu.cn
[86400] 54.56.66.59.in-addr.arpa. domain name pointer th056054.ip.tsinghua.edu.cn
[86400] 55.56.66.59.in-addr.arpa. domain name pointer th056055.ip.tsinghua.edu.cn
[86400] 56.56.66.59.in-addr.arpa. domain name pointer th056056.ip.tsinghua.edu.cn
[86400] 57.56.66.59.in-addr.arpa. domain name pointer th056057.ip.tsinghua.edu.cn
[86400] 58.56.66.59.in-addr.arpa. domain name pointer th056058.ip.tsinghua.edu.cn
[86400] 59.56.66.59.in-addr.arpa. domain name pointer th056059.ip.tsinghua.edu.cn
[86400] 60.56.66.59.in-addr.arpa. domain name pointer th056060.ip.tsinghua.edu.cn
[86400] 61.56.66.59.in-addr.arpa. domain name pointer th056061.ip.tsinghua.edu.cn
[86400] 62.56.66.59.in-addr.arpa. domain name pointer th056062.ip.tsinghua.edu.cn
[86400] 63.56.66.59.in-addr.arpa. domain name pointer th056063.ip.tsinghua.edu.cn
[86400] 64.56.66.59.in-addr.arpa. domain name pointer th056064.ip.tsinghua.edu.cn
[86400] 65.56.66.59.in-addr.arpa. domain name pointer th056065.ip.tsinghua.edu.cn
[86400] 66.56.66.59.in-addr.arpa. domain name pointer th056066.ip.tsinghua.edu.cn
[86400] 67.56.66.59.in-addr.arpa. domain name pointer th056067.ip.tsinghua.edu.cn
[86400] 68.56.66.59.in-addr.arpa. domain name pointer th056068.ip.tsinghua.edu.cn
[86400] 69.56.66.59.in-addr.arpa. domain name pointer th056069.ip.tsinghua.edu.cn
[86400] 70.56.66.59.in-addr.arpa. domain name pointer th056070.ip.tsinghua.edu.cn
[86400] 71.56.66.59.in-addr.arpa. domain name pointer th056071.ip.tsinghua.edu.cn
[86400] 72.56.66.59.in-addr.arpa. domain name pointer th056072.ip.tsinghua.edu.cn
[86400] 73.56.66.59.in-addr.arpa. domain name pointer th056073.ip.tsinghua.edu.cn
[86400] 74.56.66.59.in-addr.arpa. domain name pointer th056074.ip.tsinghua.edu.cn
[86400] 75.56.66.59.in-addr.arpa. domain name pointer th056075.ip.tsinghua.edu.cn
[86400] 76.56.66.59.in-addr.arpa. domain name pointer th056076.ip.tsinghua.edu.cn
[86400] 77.56.66.59.in-addr.arpa. domain name pointer th056077.ip.tsinghua.edu.cn
[86400] 78.56.66.59.in-addr.arpa. domain name pointer th056078.ip.tsinghua.edu.cn
[86400] 79.56.66.59.in-addr.arpa. domain name pointer th056079.ip.tsinghua.edu.cn
[86400] 80.56.66.59.in-addr.arpa. domain name pointer th056080.ip.tsinghua.edu.cn
[86400] 81.56.66.59.in-addr.arpa. domain name pointer th056081.ip.tsinghua.edu.cn
[86400] 82.56.66.59.in-addr.arpa. domain name pointer th056082.ip.tsinghua.edu.cn
[0] 83.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 84.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 85.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 86.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 87.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 88.56.66.59.in-addr.arpa. domain name pointer th056088.ip.tsinghua.edu.cn
[86400] 89.56.66.59.in-addr.arpa. domain name pointer th056089.ip.tsinghua.edu.cn
[0] 90.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 91.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 92.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 93.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 94.56.66.59.in-addr.arpa. domain name pointer th056094.ip.tsinghua.edu.cn
[86400] 95.56.66.59.in-addr.arpa. domain name pointer th056095.ip.tsinghua.edu.cn
[86400] 96.56.66.59.in-addr.arpa. domain name pointer th056096.ip.tsinghua.edu.cn
[86400] 97.56.66.59.in-addr.arpa. domain name pointer th056097.ip.tsinghua.edu.cn
[86400] 98.56.66.59.in-addr.arpa. domain name pointer th056098.ip.tsinghua.edu.cn
[86400] 99.56.66.59.in-addr.arpa. domain name pointer th056099.ip.tsinghua.edu.cn
[86400] 100.56.66.59.in-addr.arpa. domain name pointer th056100.ip.tsinghua.edu.cn
[86400] 101.56.66.59.in-addr.arpa. domain name pointer th056101.ip.tsinghua.edu.cn
[86400] 102.56.66.59.in-addr.arpa. domain name pointer th056102.ip.tsinghua.edu.cn
[86400] 103.56.66.59.in-addr.arpa. domain name pointer th056103.ip.tsinghua.edu.cn
[86400] 104.56.66.59.in-addr.arpa. domain name pointer th056104.ip.tsinghua.edu.cn
[86400] 105.56.66.59.in-addr.arpa. domain name pointer th056105.ip.tsinghua.edu.cn
[86400] 106.56.66.59.in-addr.arpa. domain name pointer th056106.ip.tsinghua.edu.cn
[86400] 107.56.66.59.in-addr.arpa. domain name pointer th056107.ip.tsinghua.edu.cn
[86400] 108.56.66.59.in-addr.arpa. domain name pointer th056108.ip.tsinghua.edu.cn
[0] 109.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 110.56.66.59.in-addr.arpa. domain name pointer th056110.ip.tsinghua.edu.cn
[86400] 111.56.66.59.in-addr.arpa. domain name pointer th056111.ip.tsinghua.edu.cn
[86400] 112.56.66.59.in-addr.arpa. domain name pointer th056112.ip.tsinghua.edu.cn
[0] 113.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 114.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 115.56.66.59.in-addr.arpa. domain name pointer th056115.ip.tsinghua.edu.cn
[86400] 116.56.66.59.in-addr.arpa. domain name pointer th056116.ip.tsinghua.edu.cn
[86400] 117.56.66.59.in-addr.arpa. domain name pointer th056117.ip.tsinghua.edu.cn
[86400] 118.56.66.59.in-addr.arpa. domain name pointer th056118.ip.tsinghua.edu.cn
[86400] 119.56.66.59.in-addr.arpa. domain name pointer th056119.ip.tsinghua.edu.cn
[86400] 120.56.66.59.in-addr.arpa. domain name pointer th056120.ip.tsinghua.edu.cn
[86400] 121.56.66.59.in-addr.arpa. domain name pointer th056121.ip.tsinghua.edu.cn
[86400] 122.56.66.59.in-addr.arpa. domain name pointer th056122.ip.tsinghua.edu.cn
[86400] 123.56.66.59.in-addr.arpa. domain name pointer th056123.ip.tsinghua.edu.cn
[86400] 124.56.66.59.in-addr.arpa. domain name pointer th056124.ip.tsinghua.edu.cn
[86400] 125.56.66.59.in-addr.arpa. domain name pointer th056125.ip.tsinghua.edu.cn
[86400] 126.56.66.59.in-addr.arpa. domain name pointer th056126.ip.tsinghua.edu.cn
[86400] 127.56.66.59.in-addr.arpa. domain name pointer th056127.ip.tsinghua.edu.cn
[86400] 128.56.66.59.in-addr.arpa. domain name pointer th056128.ip.tsinghua.edu.cn
[86400] 129.56.66.59.in-addr.arpa. domain name pointer th056129.ip.tsinghua.edu.cn
[86400] 130.56.66.59.in-addr.arpa. domain name pointer th056130.ip.tsinghua.edu.cn
[0] 131.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 132.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 133.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 134.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 135.56.66.59.in-addr.arpa. domain name pointer th056135.ip.tsinghua.edu.cn
[86400] 136.56.66.59.in-addr.arpa. domain name pointer th056136.ip.tsinghua.edu.cn
[86400] 137.56.66.59.in-addr.arpa. domain name pointer th056137.ip.tsinghua.edu.cn
[86400] 138.56.66.59.in-addr.arpa. domain name pointer th056138.ip.tsinghua.edu.cn
[86400] 139.56.66.59.in-addr.arpa. domain name pointer th056139.ip.tsinghua.edu.cn
[86400] 140.56.66.59.in-addr.arpa. domain name pointer th056140.ip.tsinghua.edu.cn
[86400] 141.56.66.59.in-addr.arpa. domain name pointer th056141.ip.tsinghua.edu.cn
[86400] 142.56.66.59.in-addr.arpa. domain name pointer th056142.ip.tsinghua.edu.cn
[86400] 143.56.66.59.in-addr.arpa. domain name pointer th056143.ip.tsinghua.edu.cn
[86400] 144.56.66.59.in-addr.arpa. domain name pointer th056144.ip.tsinghua.edu.cn
[86400] 145.56.66.59.in-addr.arpa. domain name pointer th056145.ip.tsinghua.edu.cn
[86400] 146.56.66.59.in-addr.arpa. domain name pointer th056146.ip.tsinghua.edu.cn
[86400] 147.56.66.59.in-addr.arpa. domain name pointer th056147.ip.tsinghua.edu.cn
[86400] 148.56.66.59.in-addr.arpa. domain name pointer th056148.ip.tsinghua.edu.cn
[86400] 149.56.66.59.in-addr.arpa. domain name pointer th056149.ip.tsinghua.edu.cn
[86400] 150.56.66.59.in-addr.arpa. domain name pointer th056150.ip.tsinghua.edu.cn
[86400] 151.56.66.59.in-addr.arpa. domain name pointer th056151.ip.tsinghua.edu.cn
[0] 152.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 153.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 154.56.66.59.in-addr.arpa. domain name pointer th056154.ip.tsinghua.edu.cn
[86400] 155.56.66.59.in-addr.arpa. domain name pointer th056155.ip.tsinghua.edu.cn
[86400] 156.56.66.59.in-addr.arpa. domain name pointer th056156.ip.tsinghua.edu.cn
[0] 157.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 158.56.66.59.in-addr.arpa. domain name pointer th056158.ip.tsinghua.edu.cn
[0] 159.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 160.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 161.56.66.59.in-addr.arpa. domain name pointer th056161.ip.tsinghua.edu.cn
[86400] 162.56.66.59.in-addr.arpa. domain name pointer th056162.ip.tsinghua.edu.cn
[86400] 163.56.66.59.in-addr.arpa. domain name pointer th056163.ip.tsinghua.edu.cn
[0] 164.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 165.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 166.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 167.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 168.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 169.56.66.59.in-addr.arpa. domain name pointer th056169.ip.tsinghua.edu.cn
[86400] 170.56.66.59.in-addr.arpa. domain name pointer th056170.ip.tsinghua.edu.cn
[86400] 171.56.66.59.in-addr.arpa. domain name pointer th056171.ip.tsinghua.edu.cn
[86400] 172.56.66.59.in-addr.arpa. domain name pointer th056172.ip.tsinghua.edu.cn
[86400] 173.56.66.59.in-addr.arpa. domain name pointer th056173.ip.tsinghua.edu.cn
[86400] 174.56.66.59.in-addr.arpa. domain name pointer th056174.ip.tsinghua.edu.cn
[86400] 175.56.66.59.in-addr.arpa. domain name pointer th056175.ip.tsinghua.edu.cn
[86400] 176.56.66.59.in-addr.arpa. domain name pointer th056176.ip.tsinghua.edu.cn
[86400] 177.56.66.59.in-addr.arpa. domain name pointer th056177.ip.tsinghua.edu.cn
[86400] 178.56.66.59.in-addr.arpa. domain name pointer th056178.ip.tsinghua.edu.cn
[86400] 179.56.66.59.in-addr.arpa. domain name pointer th056179.ip.tsinghua.edu.cn
[86400] 180.56.66.59.in-addr.arpa. domain name pointer th056180.ip.tsinghua.edu.cn
[86400] 181.56.66.59.in-addr.arpa. domain name pointer th056181.ip.tsinghua.edu.cn
[86400] 182.56.66.59.in-addr.arpa. domain name pointer th056182.ip.tsinghua.edu.cn
[86400] 183.56.66.59.in-addr.arpa. domain name pointer th056183.ip.tsinghua.edu.cn
[86400] 184.56.66.59.in-addr.arpa. domain name pointer th056184.ip.tsinghua.edu.cn
[86400] 185.56.66.59.in-addr.arpa. domain name pointer th056185.ip.tsinghua.edu.cn
[86400] 186.56.66.59.in-addr.arpa. domain name pointer th056186.ip.tsinghua.edu.cn
[86400] 187.56.66.59.in-addr.arpa. domain name pointer th056187.ip.tsinghua.edu.cn
[86400] 188.56.66.59.in-addr.arpa. domain name pointer th056188.ip.tsinghua.edu.cn
[86400] 189.56.66.59.in-addr.arpa. domain name pointer th056189.ip.tsinghua.edu.cn
[0] 190.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 191.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 192.56.66.59.in-addr.arpa. domain name pointer th056192.ip.tsinghua.edu.cn
[86400] 193.56.66.59.in-addr.arpa. domain name pointer th056193.ip.tsinghua.edu.cn
[86400] 194.56.66.59.in-addr.arpa. domain name pointer th056194.ip.tsinghua.edu.cn
[86400] 195.56.66.59.in-addr.arpa. domain name pointer th056195.ip.tsinghua.edu.cn
[86400] 196.56.66.59.in-addr.arpa. domain name pointer th056196.ip.tsinghua.edu.cn
[86400] 197.56.66.59.in-addr.arpa. domain name pointer th056197.ip.tsinghua.edu.cn
[86400] 198.56.66.59.in-addr.arpa. domain name pointer th056198.ip.tsinghua.edu.cn
[86400] 199.56.66.59.in-addr.arpa. domain name pointer th056199.ip.tsinghua.edu.cn
[86400] 200.56.66.59.in-addr.arpa. domain name pointer th056200.ip.tsinghua.edu.cn
[86400] 201.56.66.59.in-addr.arpa. domain name pointer th056201.ip.tsinghua.edu.cn
[86400] 202.56.66.59.in-addr.arpa. domain name pointer th056202.ip.tsinghua.edu.cn
[86400] 203.56.66.59.in-addr.arpa. domain name pointer th056203.ip.tsinghua.edu.cn
[86400] 204.56.66.59.in-addr.arpa. domain name pointer th056204.ip.tsinghua.edu.cn
[86400] 205.56.66.59.in-addr.arpa. domain name pointer th056205.ip.tsinghua.edu.cn
[0] 206.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 207.56.66.59.in-addr.arpa. domain name pointer th056207.ip.tsinghua.edu.cn
[86400] 208.56.66.59.in-addr.arpa. domain name pointer th056208.ip.tsinghua.edu.cn
[86400] 209.56.66.59.in-addr.arpa. domain name pointer th056209.ip.tsinghua.edu.cn
[0] 210.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 211.56.66.59.in-addr.arpa. domain name pointer th056211.ip.tsinghua.edu.cn
[86400] 212.56.66.59.in-addr.arpa. domain name pointer th056212.ip.tsinghua.edu.cn
[86400] 213.56.66.59.in-addr.arpa. domain name pointer th056213.ip.tsinghua.edu.cn
[0] 214.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 215.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 216.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 217.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 218.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 219.56.66.59.in-addr.arpa. domain name pointer th056219.ip.tsinghua.edu.cn
[86400] 220.56.66.59.in-addr.arpa. domain name pointer th056220.ip.tsinghua.edu.cn
[86400] 221.56.66.59.in-addr.arpa. domain name pointer th056221.ip.tsinghua.edu.cn
[86400] 222.56.66.59.in-addr.arpa. domain name pointer th056222.ip.tsinghua.edu.cn
[86400] 223.56.66.59.in-addr.arpa. domain name pointer th056223.ip.tsinghua.edu.cn
[86400] 224.56.66.59.in-addr.arpa. domain name pointer th056224.ip.tsinghua.edu.cn
[86400] 225.56.66.59.in-addr.arpa. domain name pointer th056225.ip.tsinghua.edu.cn
[0] 226.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 227.56.66.59.in-addr.arpa. domain name pointer th056227.ip.tsinghua.edu.cn
[86400] 228.56.66.59.in-addr.arpa. domain name pointer th056228.ip.tsinghua.edu.cn
[0] 229.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 230.56.66.59.in-addr.arpa. domain name pointer th056230.ip.tsinghua.edu.cn
[86400] 231.56.66.59.in-addr.arpa. domain name pointer th056231.ip.tsinghua.edu.cn
[86400] 232.56.66.59.in-addr.arpa. domain name pointer th056232.ip.tsinghua.edu.cn
[0] 233.56.66.59.in-addr.arpa.: temporary failure in name resolution
[0] 234.56.66.59.in-addr.arpa.: temporary failure in name resolution
[86400] 235.56.66.59.in-addr.arpa. domain name pointer th056235.ip.tsinghua.edu.cn
[86400] 236.56.66.59.in-addr.arpa. domain name pointer th056236.ip.tsinghua.edu.cn
[86400] 237.56.66.59.in-addr.arpa. domain name pointer th056237.ip.tsinghua.edu.cn
[86400] 238.56.66.59.in-addr.arpa. domain name pointer th056238.ip.tsinghua.edu.cn
[86400] 239.56.66.59.in-addr.arpa. domain name pointer th056239.ip.tsinghua.edu.cn
[86400] 240.56.66.59.in-addr.arpa. domain name pointer th056240.ip.tsinghua.edu.cn
[86400] 241.56.66.59.in-addr.arpa. domain name pointer th056241.ip.tsinghua.edu.cn
[86400] 242.56.66.59.in-addr.arpa. domain name pointer th056242.ip.tsinghua.edu.cn
[86400] 243.56.66.59.in-addr.arpa. domain name pointer th056243.ip.tsinghua.edu.cn
[86400] 244.56.66.59.in-addr.arpa. domain name pointer th056244.ip.tsinghua.edu.cn
[86400] 245.56.66.59.in-addr.arpa. domain name pointer th056245.ip.tsinghua.edu.cn
[86400] 246.56.66.59.in-addr.arpa. domain name pointer th056246.ip.tsinghua.edu.cn
[86400] 247.56.66.59.in-addr.arpa. domain name pointer th056247.ip.tsinghua.edu.cn
[86400] 248.56.66.59.in-addr.arpa. domain name pointer th056248.ip.tsinghua.edu.cn
[86400] 249.56.66.59.in-addr.arpa. domain name pointer th056249.ip.tsinghua.edu.cn
[86400] 250.56.66.59.in-addr.arpa. domain name pointer th056250.ip.tsinghua.edu.cn
[86400] 251.56.66.59.in-addr.arpa. domain name pointer th056251.ip.tsinghua.edu.cn
[86400] 252.56.66.59.in-addr.arpa. domain name pointer th056252.ip.tsinghua.edu.cn
[86400] 253.56.66.59.in-addr.arpa. domain name pointer th056253.ip.tsinghua.edu.cn
[86400] 254.56.66.59.in-addr.arpa. domain name pointer th056254.ip.tsinghua.edu.cn
[0] 255.56.66.59.in-addr.arpa.: domain name does not exist