[0] 0.231.66.59.in-addr.arpa.: domain name does not exist
[86400] 1.231.66.59.in-addr.arpa. domain name pointer th231001.ip.tsinghua.edu.cn
[86400] 2.231.66.59.in-addr.arpa. domain name pointer th231002.ip.tsinghua.edu.cn
[86400] 3.231.66.59.in-addr.arpa. domain name pointer th231003.ip.tsinghua.edu.cn
[86400] 4.231.66.59.in-addr.arpa. domain name pointer th231004.ip.tsinghua.edu.cn
[86400] 5.231.66.59.in-addr.arpa. domain name pointer th231005.ip.tsinghua.edu.cn
[86400] 6.231.66.59.in-addr.arpa. domain name pointer th231006.ip.tsinghua.edu.cn
[86400] 7.231.66.59.in-addr.arpa. domain name pointer th231007.ip.tsinghua.edu.cn
[86400] 8.231.66.59.in-addr.arpa. domain name pointer th231008.ip.tsinghua.edu.cn
[86400] 9.231.66.59.in-addr.arpa. domain name pointer th231009.ip.tsinghua.edu.cn
[86400] 10.231.66.59.in-addr.arpa. domain name pointer th231010.ip.tsinghua.edu.cn
[86400] 11.231.66.59.in-addr.arpa. domain name pointer th231011.ip.tsinghua.edu.cn
[86400] 12.231.66.59.in-addr.arpa. domain name pointer th231012.ip.tsinghua.edu.cn
[86400] 13.231.66.59.in-addr.arpa. domain name pointer th231013.ip.tsinghua.edu.cn
[86400] 14.231.66.59.in-addr.arpa. domain name pointer th231014.ip.tsinghua.edu.cn
[86400] 15.231.66.59.in-addr.arpa. domain name pointer th231015.ip.tsinghua.edu.cn
[86400] 16.231.66.59.in-addr.arpa. domain name pointer th231016.ip.tsinghua.edu.cn
[86400] 17.231.66.59.in-addr.arpa. domain name pointer th231017.ip.tsinghua.edu.cn
[86400] 18.231.66.59.in-addr.arpa. domain name pointer th231018.ip.tsinghua.edu.cn
[86400] 19.231.66.59.in-addr.arpa. domain name pointer th231019.ip.tsinghua.edu.cn
[86400] 20.231.66.59.in-addr.arpa. domain name pointer th231020.ip.tsinghua.edu.cn
[86400] 21.231.66.59.in-addr.arpa. domain name pointer th231021.ip.tsinghua.edu.cn
[86400] 22.231.66.59.in-addr.arpa. domain name pointer th231022.ip.tsinghua.edu.cn
[86400] 23.231.66.59.in-addr.arpa. domain name pointer th231023.ip.tsinghua.edu.cn
[86400] 24.231.66.59.in-addr.arpa. domain name pointer th231024.ip.tsinghua.edu.cn
[86400] 25.231.66.59.in-addr.arpa. domain name pointer th231025.ip.tsinghua.edu.cn
[86400] 26.231.66.59.in-addr.arpa. domain name pointer th231026.ip.tsinghua.edu.cn
[86400] 27.231.66.59.in-addr.arpa. domain name pointer th231027.ip.tsinghua.edu.cn
[86400] 28.231.66.59.in-addr.arpa. domain name pointer th231028.ip.tsinghua.edu.cn
[86400] 29.231.66.59.in-addr.arpa. domain name pointer th231029.ip.tsinghua.edu.cn
[86400] 30.231.66.59.in-addr.arpa. domain name pointer th231030.ip.tsinghua.edu.cn
[86400] 31.231.66.59.in-addr.arpa. domain name pointer th231031.ip.tsinghua.edu.cn
[86400] 32.231.66.59.in-addr.arpa. domain name pointer th231032.ip.tsinghua.edu.cn
[86400] 33.231.66.59.in-addr.arpa. domain name pointer th231033.ip.tsinghua.edu.cn
[86400] 34.231.66.59.in-addr.arpa. domain name pointer th231034.ip.tsinghua.edu.cn
[86400] 35.231.66.59.in-addr.arpa. domain name pointer th231035.ip.tsinghua.edu.cn
[86400] 36.231.66.59.in-addr.arpa. domain name pointer th231036.ip.tsinghua.edu.cn
[86400] 37.231.66.59.in-addr.arpa. domain name pointer th231037.ip.tsinghua.edu.cn
[86400] 38.231.66.59.in-addr.arpa. domain name pointer th231038.ip.tsinghua.edu.cn
[86400] 39.231.66.59.in-addr.arpa. domain name pointer th231039.ip.tsinghua.edu.cn
[86400] 40.231.66.59.in-addr.arpa. domain name pointer th231040.ip.tsinghua.edu.cn
[86400] 41.231.66.59.in-addr.arpa. domain name pointer th231041.ip.tsinghua.edu.cn
[86400] 42.231.66.59.in-addr.arpa. domain name pointer th231042.ip.tsinghua.edu.cn
[86400] 43.231.66.59.in-addr.arpa. domain name pointer th231043.ip.tsinghua.edu.cn
[86400] 44.231.66.59.in-addr.arpa. domain name pointer th231044.ip.tsinghua.edu.cn
[86400] 45.231.66.59.in-addr.arpa. domain name pointer th231045.ip.tsinghua.edu.cn
[86400] 46.231.66.59.in-addr.arpa. domain name pointer th231046.ip.tsinghua.edu.cn
[86400] 47.231.66.59.in-addr.arpa. domain name pointer th231047.ip.tsinghua.edu.cn
[86400] 48.231.66.59.in-addr.arpa. domain name pointer th231048.ip.tsinghua.edu.cn
[86400] 49.231.66.59.in-addr.arpa. domain name pointer th231049.ip.tsinghua.edu.cn
[86400] 50.231.66.59.in-addr.arpa. domain name pointer th231050.ip.tsinghua.edu.cn
[86400] 51.231.66.59.in-addr.arpa. domain name pointer th231051.ip.tsinghua.edu.cn
[86400] 52.231.66.59.in-addr.arpa. domain name pointer th231052.ip.tsinghua.edu.cn
[86400] 53.231.66.59.in-addr.arpa. domain name pointer th231053.ip.tsinghua.edu.cn
[86400] 54.231.66.59.in-addr.arpa. domain name pointer th231054.ip.tsinghua.edu.cn
[86400] 55.231.66.59.in-addr.arpa. domain name pointer th231055.ip.tsinghua.edu.cn
[86400] 56.231.66.59.in-addr.arpa. domain name pointer th231056.ip.tsinghua.edu.cn
[86400] 57.231.66.59.in-addr.arpa. domain name pointer th231057.ip.tsinghua.edu.cn
[86400] 58.231.66.59.in-addr.arpa. domain name pointer th231058.ip.tsinghua.edu.cn
[86400] 59.231.66.59.in-addr.arpa. domain name pointer th231059.ip.tsinghua.edu.cn
[86400] 60.231.66.59.in-addr.arpa. domain name pointer th231060.ip.tsinghua.edu.cn
[86400] 61.231.66.59.in-addr.arpa. domain name pointer th231061.ip.tsinghua.edu.cn
[86400] 62.231.66.59.in-addr.arpa. domain name pointer th231062.ip.tsinghua.edu.cn
[86400] 63.231.66.59.in-addr.arpa. domain name pointer th231063.ip.tsinghua.edu.cn
[86400] 64.231.66.59.in-addr.arpa. domain name pointer th231064.ip.tsinghua.edu.cn
[86400] 65.231.66.59.in-addr.arpa. domain name pointer th231065.ip.tsinghua.edu.cn
[86400] 66.231.66.59.in-addr.arpa. domain name pointer th231066.ip.tsinghua.edu.cn
[86400] 67.231.66.59.in-addr.arpa. domain name pointer th231067.ip.tsinghua.edu.cn
[86400] 68.231.66.59.in-addr.arpa. domain name pointer th231068.ip.tsinghua.edu.cn
[86400] 69.231.66.59.in-addr.arpa. domain name pointer th231069.ip.tsinghua.edu.cn
[86400] 70.231.66.59.in-addr.arpa. domain name pointer th231070.ip.tsinghua.edu.cn
[86400] 71.231.66.59.in-addr.arpa. domain name pointer th231071.ip.tsinghua.edu.cn
[86400] 72.231.66.59.in-addr.arpa. domain name pointer th231072.ip.tsinghua.edu.cn
[86400] 73.231.66.59.in-addr.arpa. domain name pointer th231073.ip.tsinghua.edu.cn
[86400] 74.231.66.59.in-addr.arpa. domain name pointer th231074.ip.tsinghua.edu.cn
[86400] 75.231.66.59.in-addr.arpa. domain name pointer th231075.ip.tsinghua.edu.cn
[86400] 76.231.66.59.in-addr.arpa. domain name pointer th231076.ip.tsinghua.edu.cn
[86400] 77.231.66.59.in-addr.arpa. domain name pointer th231077.ip.tsinghua.edu.cn
[86400] 78.231.66.59.in-addr.arpa. domain name pointer th231078.ip.tsinghua.edu.cn
[86400] 79.231.66.59.in-addr.arpa. domain name pointer th231079.ip.tsinghua.edu.cn
[86400] 80.231.66.59.in-addr.arpa. domain name pointer th231080.ip.tsinghua.edu.cn
[86400] 81.231.66.59.in-addr.arpa. domain name pointer th231081.ip.tsinghua.edu.cn
[86400] 82.231.66.59.in-addr.arpa. domain name pointer th231082.ip.tsinghua.edu.cn
[86400] 83.231.66.59.in-addr.arpa. domain name pointer th231083.ip.tsinghua.edu.cn
[86400] 84.231.66.59.in-addr.arpa. domain name pointer th231084.ip.tsinghua.edu.cn
[86400] 85.231.66.59.in-addr.arpa. domain name pointer th231085.ip.tsinghua.edu.cn
[86400] 86.231.66.59.in-addr.arpa. domain name pointer th231086.ip.tsinghua.edu.cn
[86400] 87.231.66.59.in-addr.arpa. domain name pointer th231087.ip.tsinghua.edu.cn
[86400] 88.231.66.59.in-addr.arpa. domain name pointer th231088.ip.tsinghua.edu.cn
[86400] 89.231.66.59.in-addr.arpa. domain name pointer th231089.ip.tsinghua.edu.cn
[86400] 90.231.66.59.in-addr.arpa. domain name pointer th231090.ip.tsinghua.edu.cn
[86400] 91.231.66.59.in-addr.arpa. domain name pointer th231091.ip.tsinghua.edu.cn
[86400] 92.231.66.59.in-addr.arpa. domain name pointer th231092.ip.tsinghua.edu.cn
[86400] 93.231.66.59.in-addr.arpa. domain name pointer th231093.ip.tsinghua.edu.cn
[86400] 94.231.66.59.in-addr.arpa. domain name pointer th231094.ip.tsinghua.edu.cn
[86400] 95.231.66.59.in-addr.arpa. domain name pointer th231095.ip.tsinghua.edu.cn
[86400] 96.231.66.59.in-addr.arpa. domain name pointer th231096.ip.tsinghua.edu.cn
[86400] 97.231.66.59.in-addr.arpa. domain name pointer th231097.ip.tsinghua.edu.cn
[86400] 98.231.66.59.in-addr.arpa. domain name pointer th231098.ip.tsinghua.edu.cn
[86400] 99.231.66.59.in-addr.arpa. domain name pointer th231099.ip.tsinghua.edu.cn
[86400] 100.231.66.59.in-addr.arpa. domain name pointer th231100.ip.tsinghua.edu.cn
[86400] 101.231.66.59.in-addr.arpa. domain name pointer th231101.ip.tsinghua.edu.cn
[86400] 102.231.66.59.in-addr.arpa. domain name pointer th231102.ip.tsinghua.edu.cn
[86400] 103.231.66.59.in-addr.arpa. domain name pointer th231103.ip.tsinghua.edu.cn
[86400] 104.231.66.59.in-addr.arpa. domain name pointer th231104.ip.tsinghua.edu.cn
[86400] 105.231.66.59.in-addr.arpa. domain name pointer th231105.ip.tsinghua.edu.cn
[86400] 106.231.66.59.in-addr.arpa. domain name pointer th231106.ip.tsinghua.edu.cn
[86400] 107.231.66.59.in-addr.arpa. domain name pointer th231107.ip.tsinghua.edu.cn
[86400] 108.231.66.59.in-addr.arpa. domain name pointer th231108.ip.tsinghua.edu.cn
[86400] 109.231.66.59.in-addr.arpa. domain name pointer th231109.ip.tsinghua.edu.cn
[86400] 110.231.66.59.in-addr.arpa. domain name pointer th231110.ip.tsinghua.edu.cn
[86400] 111.231.66.59.in-addr.arpa. domain name pointer th231111.ip.tsinghua.edu.cn
[86400] 112.231.66.59.in-addr.arpa. domain name pointer th231112.ip.tsinghua.edu.cn
[86400] 113.231.66.59.in-addr.arpa. domain name pointer th231113.ip.tsinghua.edu.cn
[86400] 114.231.66.59.in-addr.arpa. domain name pointer th231114.ip.tsinghua.edu.cn
[86400] 115.231.66.59.in-addr.arpa. domain name pointer th231115.ip.tsinghua.edu.cn
[86400] 116.231.66.59.in-addr.arpa. domain name pointer th231116.ip.tsinghua.edu.cn
[86400] 117.231.66.59.in-addr.arpa. domain name pointer th231117.ip.tsinghua.edu.cn
[86400] 118.231.66.59.in-addr.arpa. domain name pointer th231118.ip.tsinghua.edu.cn
[86400] 119.231.66.59.in-addr.arpa. domain name pointer th231119.ip.tsinghua.edu.cn
[86400] 120.231.66.59.in-addr.arpa. domain name pointer th231120.ip.tsinghua.edu.cn
[86400] 121.231.66.59.in-addr.arpa. domain name pointer th231121.ip.tsinghua.edu.cn
[86400] 122.231.66.59.in-addr.arpa. domain name pointer th231122.ip.tsinghua.edu.cn
[86400] 123.231.66.59.in-addr.arpa. domain name pointer th231123.ip.tsinghua.edu.cn
[86400] 124.231.66.59.in-addr.arpa. domain name pointer th231124.ip.tsinghua.edu.cn
[86400] 125.231.66.59.in-addr.arpa. domain name pointer th231125.ip.tsinghua.edu.cn
[86400] 126.231.66.59.in-addr.arpa. domain name pointer th231126.ip.tsinghua.edu.cn
[86400] 127.231.66.59.in-addr.arpa. domain name pointer th231127.ip.tsinghua.edu.cn
[86400] 128.231.66.59.in-addr.arpa. domain name pointer th231128.ip.tsinghua.edu.cn
[86400] 129.231.66.59.in-addr.arpa. domain name pointer th231129.ip.tsinghua.edu.cn
[86400] 130.231.66.59.in-addr.arpa. domain name pointer th231130.ip.tsinghua.edu.cn
[86400] 131.231.66.59.in-addr.arpa. domain name pointer th231131.ip.tsinghua.edu.cn
[86400] 132.231.66.59.in-addr.arpa. domain name pointer th231132.ip.tsinghua.edu.cn
[86400] 133.231.66.59.in-addr.arpa. domain name pointer th231133.ip.tsinghua.edu.cn
[86400] 134.231.66.59.in-addr.arpa. domain name pointer th231134.ip.tsinghua.edu.cn
[86400] 135.231.66.59.in-addr.arpa. domain name pointer th231135.ip.tsinghua.edu.cn
[86400] 136.231.66.59.in-addr.arpa. domain name pointer th231136.ip.tsinghua.edu.cn
[86400] 137.231.66.59.in-addr.arpa. domain name pointer th231137.ip.tsinghua.edu.cn
[86400] 138.231.66.59.in-addr.arpa. domain name pointer th231138.ip.tsinghua.edu.cn
[86400] 139.231.66.59.in-addr.arpa. domain name pointer th231139.ip.tsinghua.edu.cn
[86400] 140.231.66.59.in-addr.arpa. domain name pointer th231140.ip.tsinghua.edu.cn
[86400] 141.231.66.59.in-addr.arpa. domain name pointer th231141.ip.tsinghua.edu.cn
[86400] 142.231.66.59.in-addr.arpa. domain name pointer th231142.ip.tsinghua.edu.cn
[86400] 143.231.66.59.in-addr.arpa. domain name pointer th231143.ip.tsinghua.edu.cn
[86400] 144.231.66.59.in-addr.arpa. domain name pointer th231144.ip.tsinghua.edu.cn
[86400] 145.231.66.59.in-addr.arpa. domain name pointer th231145.ip.tsinghua.edu.cn
[86400] 146.231.66.59.in-addr.arpa. domain name pointer th231146.ip.tsinghua.edu.cn
[86400] 147.231.66.59.in-addr.arpa. domain name pointer th231147.ip.tsinghua.edu.cn
[86400] 148.231.66.59.in-addr.arpa. domain name pointer th231148.ip.tsinghua.edu.cn
[86400] 149.231.66.59.in-addr.arpa. domain name pointer th231149.ip.tsinghua.edu.cn
[86400] 150.231.66.59.in-addr.arpa. domain name pointer th231150.ip.tsinghua.edu.cn
[86400] 151.231.66.59.in-addr.arpa. domain name pointer th231151.ip.tsinghua.edu.cn
[86400] 152.231.66.59.in-addr.arpa. domain name pointer th231152.ip.tsinghua.edu.cn
[86400] 153.231.66.59.in-addr.arpa. domain name pointer th231153.ip.tsinghua.edu.cn
[86400] 154.231.66.59.in-addr.arpa. domain name pointer th231154.ip.tsinghua.edu.cn
[86400] 155.231.66.59.in-addr.arpa. domain name pointer th231155.ip.tsinghua.edu.cn
[86400] 156.231.66.59.in-addr.arpa. domain name pointer th231156.ip.tsinghua.edu.cn
[86400] 157.231.66.59.in-addr.arpa. domain name pointer th231157.ip.tsinghua.edu.cn
[86400] 158.231.66.59.in-addr.arpa. domain name pointer th231158.ip.tsinghua.edu.cn
[86400] 159.231.66.59.in-addr.arpa. domain name pointer th231159.ip.tsinghua.edu.cn
[86400] 160.231.66.59.in-addr.arpa. domain name pointer th231160.ip.tsinghua.edu.cn
[86400] 161.231.66.59.in-addr.arpa. domain name pointer th231161.ip.tsinghua.edu.cn
[86400] 162.231.66.59.in-addr.arpa. domain name pointer th231162.ip.tsinghua.edu.cn
[86400] 163.231.66.59.in-addr.arpa. domain name pointer th231163.ip.tsinghua.edu.cn
[86400] 164.231.66.59.in-addr.arpa. domain name pointer th231164.ip.tsinghua.edu.cn
[86400] 165.231.66.59.in-addr.arpa. domain name pointer th231165.ip.tsinghua.edu.cn
[86400] 166.231.66.59.in-addr.arpa. domain name pointer th231166.ip.tsinghua.edu.cn
[86400] 167.231.66.59.in-addr.arpa. domain name pointer th231167.ip.tsinghua.edu.cn
[86400] 168.231.66.59.in-addr.arpa. domain name pointer th231168.ip.tsinghua.edu.cn
[86400] 169.231.66.59.in-addr.arpa. domain name pointer th231169.ip.tsinghua.edu.cn
[86400] 170.231.66.59.in-addr.arpa. domain name pointer th231170.ip.tsinghua.edu.cn
[86400] 171.231.66.59.in-addr.arpa. domain name pointer th231171.ip.tsinghua.edu.cn
[86400] 172.231.66.59.in-addr.arpa. domain name pointer th231172.ip.tsinghua.edu.cn
[86400] 173.231.66.59.in-addr.arpa. domain name pointer th231173.ip.tsinghua.edu.cn
[86400] 174.231.66.59.in-addr.arpa. domain name pointer th231174.ip.tsinghua.edu.cn
[86400] 175.231.66.59.in-addr.arpa. domain name pointer th231175.ip.tsinghua.edu.cn
[86400] 176.231.66.59.in-addr.arpa. domain name pointer th231176.ip.tsinghua.edu.cn
[86400] 177.231.66.59.in-addr.arpa. domain name pointer th231177.ip.tsinghua.edu.cn
[86400] 178.231.66.59.in-addr.arpa. domain name pointer th231178.ip.tsinghua.edu.cn
[86400] 179.231.66.59.in-addr.arpa. domain name pointer th231179.ip.tsinghua.edu.cn
[86400] 180.231.66.59.in-addr.arpa. domain name pointer th231180.ip.tsinghua.edu.cn
[86400] 181.231.66.59.in-addr.arpa. domain name pointer th231181.ip.tsinghua.edu.cn
[86400] 182.231.66.59.in-addr.arpa. domain name pointer th231182.ip.tsinghua.edu.cn
[86400] 183.231.66.59.in-addr.arpa. domain name pointer th231183.ip.tsinghua.edu.cn
[86400] 184.231.66.59.in-addr.arpa. domain name pointer th231184.ip.tsinghua.edu.cn
[86400] 185.231.66.59.in-addr.arpa. domain name pointer th231185.ip.tsinghua.edu.cn
[86400] 186.231.66.59.in-addr.arpa. domain name pointer th231186.ip.tsinghua.edu.cn
[86400] 187.231.66.59.in-addr.arpa. domain name pointer th231187.ip.tsinghua.edu.cn
[86400] 188.231.66.59.in-addr.arpa. domain name pointer th231188.ip.tsinghua.edu.cn
[86400] 189.231.66.59.in-addr.arpa. domain name pointer th231189.ip.tsinghua.edu.cn
[86400] 190.231.66.59.in-addr.arpa. domain name pointer th231190.ip.tsinghua.edu.cn
[86400] 191.231.66.59.in-addr.arpa. domain name pointer th231191.ip.tsinghua.edu.cn
[86400] 192.231.66.59.in-addr.arpa. domain name pointer th231192.ip.tsinghua.edu.cn
[86400] 193.231.66.59.in-addr.arpa. domain name pointer th231193.ip.tsinghua.edu.cn
[86400] 194.231.66.59.in-addr.arpa. domain name pointer th231194.ip.tsinghua.edu.cn
[86400] 195.231.66.59.in-addr.arpa. domain name pointer th231195.ip.tsinghua.edu.cn
[86400] 196.231.66.59.in-addr.arpa. domain name pointer th231196.ip.tsinghua.edu.cn
[86400] 197.231.66.59.in-addr.arpa. domain name pointer th231197.ip.tsinghua.edu.cn
[86400] 198.231.66.59.in-addr.arpa. domain name pointer th231198.ip.tsinghua.edu.cn
[86400] 199.231.66.59.in-addr.arpa. domain name pointer th231199.ip.tsinghua.edu.cn
[86400] 200.231.66.59.in-addr.arpa. domain name pointer th231200.ip.tsinghua.edu.cn
[86400] 201.231.66.59.in-addr.arpa. domain name pointer th231201.ip.tsinghua.edu.cn
[86400] 202.231.66.59.in-addr.arpa. domain name pointer th231202.ip.tsinghua.edu.cn
[86400] 203.231.66.59.in-addr.arpa. domain name pointer th231203.ip.tsinghua.edu.cn
[86400] 204.231.66.59.in-addr.arpa. domain name pointer th231204.ip.tsinghua.edu.cn
[86400] 205.231.66.59.in-addr.arpa. domain name pointer th231205.ip.tsinghua.edu.cn
[86400] 206.231.66.59.in-addr.arpa. domain name pointer th231206.ip.tsinghua.edu.cn
[86400] 207.231.66.59.in-addr.arpa. domain name pointer th231207.ip.tsinghua.edu.cn
[86400] 208.231.66.59.in-addr.arpa. domain name pointer th231208.ip.tsinghua.edu.cn
[86400] 209.231.66.59.in-addr.arpa. domain name pointer th231209.ip.tsinghua.edu.cn
[86400] 210.231.66.59.in-addr.arpa. domain name pointer th231210.ip.tsinghua.edu.cn
[86400] 211.231.66.59.in-addr.arpa. domain name pointer th231211.ip.tsinghua.edu.cn
[86400] 212.231.66.59.in-addr.arpa. domain name pointer th231212.ip.tsinghua.edu.cn
[86400] 213.231.66.59.in-addr.arpa. domain name pointer th231213.ip.tsinghua.edu.cn
[86400] 214.231.66.59.in-addr.arpa. domain name pointer th231214.ip.tsinghua.edu.cn
[86400] 215.231.66.59.in-addr.arpa. domain name pointer th231215.ip.tsinghua.edu.cn
[86400] 216.231.66.59.in-addr.arpa. domain name pointer th231216.ip.tsinghua.edu.cn
[86400] 217.231.66.59.in-addr.arpa. domain name pointer th231217.ip.tsinghua.edu.cn
[86400] 218.231.66.59.in-addr.arpa. domain name pointer th231218.ip.tsinghua.edu.cn
[86400] 219.231.66.59.in-addr.arpa. domain name pointer th231219.ip.tsinghua.edu.cn
[86400] 220.231.66.59.in-addr.arpa. domain name pointer th231220.ip.tsinghua.edu.cn
[86400] 221.231.66.59.in-addr.arpa. domain name pointer th231221.ip.tsinghua.edu.cn
[86400] 222.231.66.59.in-addr.arpa. domain name pointer th231222.ip.tsinghua.edu.cn
[86400] 223.231.66.59.in-addr.arpa. domain name pointer th231223.ip.tsinghua.edu.cn
[86400] 224.231.66.59.in-addr.arpa. domain name pointer th231224.ip.tsinghua.edu.cn
[86400] 225.231.66.59.in-addr.arpa. domain name pointer th231225.ip.tsinghua.edu.cn
[86400] 226.231.66.59.in-addr.arpa. domain name pointer th231226.ip.tsinghua.edu.cn
[86400] 227.231.66.59.in-addr.arpa. domain name pointer th231227.ip.tsinghua.edu.cn
[86400] 228.231.66.59.in-addr.arpa. domain name pointer th231228.ip.tsinghua.edu.cn
[86400] 229.231.66.59.in-addr.arpa. domain name pointer th231229.ip.tsinghua.edu.cn
[86400] 230.231.66.59.in-addr.arpa. domain name pointer th231230.ip.tsinghua.edu.cn
[86400] 231.231.66.59.in-addr.arpa. domain name pointer th231231.ip.tsinghua.edu.cn
[86400] 232.231.66.59.in-addr.arpa. domain name pointer th231232.ip.tsinghua.edu.cn
[86400] 233.231.66.59.in-addr.arpa. domain name pointer th231233.ip.tsinghua.edu.cn
[86400] 234.231.66.59.in-addr.arpa. domain name pointer th231234.ip.tsinghua.edu.cn
[86400] 235.231.66.59.in-addr.arpa. domain name pointer th231235.ip.tsinghua.edu.cn
[86400] 236.231.66.59.in-addr.arpa. domain name pointer th231236.ip.tsinghua.edu.cn
[86400] 237.231.66.59.in-addr.arpa. domain name pointer th231237.ip.tsinghua.edu.cn
[86400] 238.231.66.59.in-addr.arpa. domain name pointer th231238.ip.tsinghua.edu.cn
[86400] 239.231.66.59.in-addr.arpa. domain name pointer th231239.ip.tsinghua.edu.cn
[86400] 240.231.66.59.in-addr.arpa. domain name pointer th231240.ip.tsinghua.edu.cn
[86400] 241.231.66.59.in-addr.arpa. domain name pointer th231241.ip.tsinghua.edu.cn
[86400] 242.231.66.59.in-addr.arpa. domain name pointer th231242.ip.tsinghua.edu.cn
[86400] 243.231.66.59.in-addr.arpa. domain name pointer th231243.ip.tsinghua.edu.cn
[86400] 244.231.66.59.in-addr.arpa. domain name pointer th231244.ip.tsinghua.edu.cn
[86400] 245.231.66.59.in-addr.arpa. domain name pointer th231245.ip.tsinghua.edu.cn
[86400] 246.231.66.59.in-addr.arpa. domain name pointer th231246.ip.tsinghua.edu.cn
[86400] 247.231.66.59.in-addr.arpa. domain name pointer th231247.ip.tsinghua.edu.cn
[86400] 248.231.66.59.in-addr.arpa. domain name pointer th231248.ip.tsinghua.edu.cn
[86400] 249.231.66.59.in-addr.arpa. domain name pointer th231249.ip.tsinghua.edu.cn
[86400] 250.231.66.59.in-addr.arpa. domain name pointer th231250.ip.tsinghua.edu.cn
[86400] 251.231.66.59.in-addr.arpa. domain name pointer th231251.ip.tsinghua.edu.cn
[86400] 252.231.66.59.in-addr.arpa. domain name pointer th231252.ip.tsinghua.edu.cn
[86400] 253.231.66.59.in-addr.arpa. domain name pointer th231253.ip.tsinghua.edu.cn
[86400] 254.231.66.59.in-addr.arpa. domain name pointer th231254.ip.tsinghua.edu.cn
[0] 255.231.66.59.in-addr.arpa.: domain name does not exist