[86400] 0.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 1.191.195.222.in-addr.arpa. domain name pointer fvpngw.link.upc.edu.cn [86400] 2.191.195.222.in-addr.arpa. domain name pointer fvpnsrv.link.upc.edu.cn [86400] 3.191.195.222.in-addr.arpa. domain name pointer finance.upc.edu.cn [86400] 4.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 5.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 6.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 7.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 8.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 9.191.195.222.in-addr.arpa. domain name pointer mrouter-core1.link.upc.edu.cn [86400] 10.191.195.222.in-addr.arpa. domain name pointer core1-mrouter.link.upc.edu.cn [86400] 11.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 12.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 13.191.195.222.in-addr.arpa. domain name pointer cisco12404-qdcollege.link.upc.edu.cn [86400] 14.191.195.222.in-addr.arpa. domain name pointer qdcollege-cisco12404.link.upc.edu.cn [86400] 15.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 16.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 17.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 18.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 19.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 20.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 21.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 22.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 23.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 24.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 25.191.195.222.in-addr.arpa. domain name pointer cncnat-mrouter.link.upc.edu.cn [86400] 26.191.195.222.in-addr.arpa. domain name pointer mrouter-cncnat.link.upc.edu.cn [86400] 27.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 28.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 29.191.195.222.in-addr.arpa. domain name pointer cisco12404-binhaicollege.link.upc.edu.cn [86400] 30.191.195.222.in-addr.arpa. domain name pointer binhaicollege-cisco12404.link.upc.edu.cn [86400] 31.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 32.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 33.191.195.222.in-addr.arpa. domain name pointer cisco12404-gwcollege.link.upc.edu.cn [86400] 34.191.195.222.in-addr.arpa. domain name pointer gwcollege-cisco12404.link.upc.edu.cn [86400] 35.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 36.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 37.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 38.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 39.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 40.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 41.191.195.222.in-addr.arpa. domain name pointer cisco12404-mrouter.link.upc.edu.cn [86400] 42.191.195.222.in-addr.arpa. domain name pointer mrouter-cicso12404.link.upc.edu.cn [86400] 43.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 44.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 45.191.195.222.in-addr.arpa. domain name pointer stucore-yktcore.link.upc.edu.cn [86400] 46.191.195.222.in-addr.arpa. domain name pointer yktcore-stucore.link.upc.edu.cn [86400] 47.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 48.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 49.191.195.222.in-addr.arpa. domain name pointer mrouter-stucore.link.upc.edu.cn [86400] 50.191.195.222.in-addr.arpa. domain name pointer stucore-mrouter.link.upc.edu.cn [86400] 51.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 52.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 53.191.195.222.in-addr.arpa. domain name pointer collegebld-yifubld.link.upc.edu.cn [86400] 54.191.195.222.in-addr.arpa. domain name pointer yifubld-collegebld.link.upc.edu.cn [86400] 55.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 56.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 57.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 58.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 59.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 60.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 61.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 62.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 63.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 64.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 65.191.195.222.in-addr.arpa. domain name pointer core1-stucore.link.upc.edu.cn [86400] 66.191.195.222.in-addr.arpa. domain name pointer core2-stucore.link.upc.edu.cn [86400] 67.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 68.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 69.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 70.191.195.222.in-addr.arpa. domain name pointer stucore-core.link.upc.edu.cn [86400] 71.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 72.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 73.191.195.222.in-addr.arpa. domain name pointer core1-officebld.link.upc.edu.cn [86400] 74.191.195.222.in-addr.arpa. domain name pointer core2-officebld.link.upc.edu.cn [86400] 75.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 76.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 77.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 78.191.195.222.in-addr.arpa. domain name pointer officebld-core.link.upc.edu.cn [86400] 79.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 80.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 81.191.195.222.in-addr.arpa. domain name pointer core1-collegebld.link.upc.edu.cn [86400] 82.191.195.222.in-addr.arpa. domain name pointer core2-collegebld.link.upc.edu.cn [86400] 83.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 84.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 85.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 86.191.195.222.in-addr.arpa. domain name pointer collegebld-core.link.upc.edu.cn [86400] 87.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 88.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 89.191.195.222.in-addr.arpa. domain name pointer core1-yifubld.link.upc.edu.cn [86400] 90.191.195.222.in-addr.arpa. domain name pointer core2-yifubld.link.upc.edu.cn [86400] 91.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 92.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 93.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 94.191.195.222.in-addr.arpa. domain name pointer yifubld-core.link.upc.edu.cn [86400] 95.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 96.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 97.191.195.222.in-addr.arpa. domain name pointer core1-dmt.link.upc.edu.cn [86400] 98.191.195.222.in-addr.arpa. domain name pointer core2-dmt.link.upc.edu.cn [86400] 99.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 100.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 101.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 102.191.195.222.in-addr.arpa. domain name pointer dmt-core.link.upc.edu.cn [86400] 103.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 104.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 105.191.195.222.in-addr.arpa. domain name pointer core1-dgn.link.upc.edu.cn [86400] 106.191.195.222.in-addr.arpa. domain name pointer core2-dgn.link.upc.edu.cn [86400] 107.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 108.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 109.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 110.191.195.222.in-addr.arpa. domain name pointer dgn-core.link.upc.edu.cn [86400] 111.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 112.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 113.191.195.222.in-addr.arpa. domain name pointer core1-core2.link.upc.edu.cn [86400] 114.191.195.222.in-addr.arpa. domain name pointer core2-core1.link.upc.edu.cn [86400] 115.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 116.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 117.191.195.222.in-addr.arpa. domain name pointer ouctunnelsrv-upctunnelsrv.link.upc.edu.cn [86400] 118.191.195.222.in-addr.arpa. domain name pointer upctunnelsrv-ouctunnelsrv.link.upc.edu.cn [86400] 119.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 120.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 121.191.195.222.in-addr.arpa. domain name pointer cmnat-mrouter.link.upc.edu.cn [86400] 122.191.195.222.in-addr.arpa. domain name pointer mrouter-cmnat.link.upc.edu.cn [86400] 123.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 124.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 125.191.195.222.in-addr.arpa. domain name pointer upctunnelsrv-cisco12404.link.upc.edu.cn [86400] 126.191.195.222.in-addr.arpa. domain name pointer cisco12404-upctunnelsrv.link.upc.edu.cn [86400] 127.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 128.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 129.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 130.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 131.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 132.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 133.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 134.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 135.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 136.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 137.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 138.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 139.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 140.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 141.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 142.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 143.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 144.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 145.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 146.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 147.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 148.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 149.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 150.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 151.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 152.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 153.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 154.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 155.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 156.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 157.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 158.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 159.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 160.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 161.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 162.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 163.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 164.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 165.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 166.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 167.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 168.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 169.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 170.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 171.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 172.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 173.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 174.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 175.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 176.191.195.222.in-addr.arpa. domain name pointer stunatpool1.link.upc.edu.cn [86400] 177.191.195.222.in-addr.arpa. domain name pointer stunatpool2.link.upc.edu.cn [86400] 178.191.195.222.in-addr.arpa. domain name pointer stunatpool3.link.upc.edu.cn [86400] 179.191.195.222.in-addr.arpa. domain name pointer stunatpool4.link.upc.edu.cn [86400] 180.191.195.222.in-addr.arpa. domain name pointer stunatpool5.link.upc.edu.cn [86400] 181.191.195.222.in-addr.arpa. domain name pointer stunatpool6.link.upc.edu.cn [86400] 182.191.195.222.in-addr.arpa. domain name pointer stunatpool7.link.upc.edu.cn [86400] 183.191.195.222.in-addr.arpa. domain name pointer stunatpool8.link.upc.edu.cn [86400] 184.191.195.222.in-addr.arpa. domain name pointer stuofficenatpool1.link.upc.edu.cn [86400] 185.191.195.222.in-addr.arpa. domain name pointer stuofficenatpool2.link.upc.edu.cn [86400] 186.191.195.222.in-addr.arpa. domain name pointer stuofficenatpool3.link.upc.edu.cn [86400] 187.191.195.222.in-addr.arpa. domain name pointer stuofficenatpool4.link.upc.edu.cn [86400] 188.191.195.222.in-addr.arpa. domain name pointer stuofficenatpool5.link.upc.edu.cn [86400] 189.191.195.222.in-addr.arpa. domain name pointer stuofficenatpool6.link.upc.edu.cn [86400] 190.191.195.222.in-addr.arpa. domain name pointer stuofficenatpool7.link.upc.edu.cn [86400] 191.191.195.222.in-addr.arpa. domain name pointer stuofficenatpool8.link.upc.edu.cn [86400] 192.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 193.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 194.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 195.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 196.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 197.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 198.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 199.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 200.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 201.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 202.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 203.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 204.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 205.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 206.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 207.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 208.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 209.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 210.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 211.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 212.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 213.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 214.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 215.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 216.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 217.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 218.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 219.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 220.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 221.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 222.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 223.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 224.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 225.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 226.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 227.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 228.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 229.191.195.222.in-addr.arpa. domain name pointer cam1.upc.edu.cn [86400] 230.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 231.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 232.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 233.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 234.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 235.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 236.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 237.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 238.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 239.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 240.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 241.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 242.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 243.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 244.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 245.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 246.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 247.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 248.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 249.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 250.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 251.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 252.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 253.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 254.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn [86400] 255.191.195.222.in-addr.arpa. domain name pointer link.upc.edu.cn