[0] 0.68.143.219.in-addr.arpa.: domain name does not exist
[0] 1.68.143.219.in-addr.arpa.: domain name does not exist
[3600] 2.68.143.219.in-addr.arpa. domain name pointer mx1.petrochina.com.cn
[3600] 3.68.143.219.in-addr.arpa. domain name pointer smtp.petrochina.com.cn
[0] 4.68.143.219.in-addr.arpa.: domain name does not exist
[0] 5.68.143.219.in-addr.arpa.: domain name does not exist
[0] 6.68.143.219.in-addr.arpa.: domain name does not exist
[0] 7.68.143.219.in-addr.arpa.: domain name does not exist
[0] 8.68.143.219.in-addr.arpa.: domain name does not exist
[0] 9.68.143.219.in-addr.arpa.: domain name does not exist
[0] 10.68.143.219.in-addr.arpa.: domain name does not exist
[0] 11.68.143.219.in-addr.arpa.: domain name does not exist
[0] 12.68.143.219.in-addr.arpa.: domain name does not exist
[0] 13.68.143.219.in-addr.arpa.: domain name does not exist
[0] 14.68.143.219.in-addr.arpa.: domain name does not exist
[0] 15.68.143.219.in-addr.arpa.: domain name does not exist
[0] 16.68.143.219.in-addr.arpa.: domain name does not exist
[0] 17.68.143.219.in-addr.arpa.: domain name does not exist
[0] 18.68.143.219.in-addr.arpa.: domain name does not exist
[0] 19.68.143.219.in-addr.arpa.: domain name does not exist
[0] 20.68.143.219.in-addr.arpa.: domain name does not exist
[0] 21.68.143.219.in-addr.arpa.: domain name does not exist
[0] 22.68.143.219.in-addr.arpa.: domain name does not exist
[0] 23.68.143.219.in-addr.arpa.: domain name does not exist
[0] 24.68.143.219.in-addr.arpa.: domain name does not exist
[0] 25.68.143.219.in-addr.arpa.: domain name does not exist
[0] 26.68.143.219.in-addr.arpa.: domain name does not exist
[0] 27.68.143.219.in-addr.arpa.: domain name does not exist
[0] 28.68.143.219.in-addr.arpa.: domain name does not exist
[0] 29.68.143.219.in-addr.arpa.: domain name does not exist
[0] 30.68.143.219.in-addr.arpa.: domain name does not exist
[0] 31.68.143.219.in-addr.arpa.: domain name does not exist
[0] 32.68.143.219.in-addr.arpa.: domain name does not exist
[0] 33.68.143.219.in-addr.arpa.: domain name does not exist
[0] 34.68.143.219.in-addr.arpa.: domain name does not exist
[0] 35.68.143.219.in-addr.arpa.: domain name does not exist
[0] 36.68.143.219.in-addr.arpa.: domain name does not exist
[0] 37.68.143.219.in-addr.arpa.: domain name does not exist
[0] 38.68.143.219.in-addr.arpa.: domain name does not exist
[0] 39.68.143.219.in-addr.arpa.: domain name does not exist
[0] 40.68.143.219.in-addr.arpa.: domain name does not exist
[0] 41.68.143.219.in-addr.arpa.: domain name does not exist
[0] 42.68.143.219.in-addr.arpa.: domain name does not exist
[0] 43.68.143.219.in-addr.arpa.: domain name does not exist
[0] 44.68.143.219.in-addr.arpa.: domain name does not exist
[0] 45.68.143.219.in-addr.arpa.: domain name does not exist
[0] 46.68.143.219.in-addr.arpa.: domain name does not exist
[0] 47.68.143.219.in-addr.arpa.: domain name does not exist
[0] 48.68.143.219.in-addr.arpa.: domain name does not exist
[0] 49.68.143.219.in-addr.arpa.: domain name does not exist
[0] 50.68.143.219.in-addr.arpa.: domain name does not exist
[0] 51.68.143.219.in-addr.arpa.: domain name does not exist
[0] 52.68.143.219.in-addr.arpa.: domain name does not exist
[0] 53.68.143.219.in-addr.arpa.: domain name does not exist
[0] 54.68.143.219.in-addr.arpa.: domain name does not exist
[0] 55.68.143.219.in-addr.arpa.: domain name does not exist
[0] 56.68.143.219.in-addr.arpa.: domain name does not exist
[0] 57.68.143.219.in-addr.arpa.: domain name does not exist
[0] 58.68.143.219.in-addr.arpa.: domain name does not exist
[0] 59.68.143.219.in-addr.arpa.: domain name does not exist
[0] 60.68.143.219.in-addr.arpa.: domain name does not exist
[0] 61.68.143.219.in-addr.arpa.: domain name does not exist
[0] 62.68.143.219.in-addr.arpa.: domain name does not exist
[0] 63.68.143.219.in-addr.arpa.: domain name does not exist
[0] 64.68.143.219.in-addr.arpa.: domain name does not exist
[0] 65.68.143.219.in-addr.arpa.: domain name does not exist
[0] 66.68.143.219.in-addr.arpa.: domain name does not exist
[0] 67.68.143.219.in-addr.arpa.: domain name does not exist
[0] 68.68.143.219.in-addr.arpa.: domain name does not exist
[0] 69.68.143.219.in-addr.arpa.: domain name does not exist
[0] 70.68.143.219.in-addr.arpa.: domain name does not exist
[0] 71.68.143.219.in-addr.arpa.: domain name does not exist
[0] 72.68.143.219.in-addr.arpa.: domain name does not exist
[0] 73.68.143.219.in-addr.arpa.: domain name does not exist
[0] 74.68.143.219.in-addr.arpa.: domain name does not exist
[0] 75.68.143.219.in-addr.arpa.: domain name does not exist
[0] 76.68.143.219.in-addr.arpa.: domain name does not exist
[0] 77.68.143.219.in-addr.arpa.: domain name does not exist
[0] 78.68.143.219.in-addr.arpa.: domain name does not exist
[0] 79.68.143.219.in-addr.arpa.: domain name does not exist
[0] 80.68.143.219.in-addr.arpa.: domain name does not exist
[0] 81.68.143.219.in-addr.arpa.: domain name does not exist
[0] 82.68.143.219.in-addr.arpa.: domain name does not exist
[0] 83.68.143.219.in-addr.arpa.: domain name does not exist
[0] 84.68.143.219.in-addr.arpa.: domain name does not exist
[0] 85.68.143.219.in-addr.arpa.: domain name does not exist
[0] 86.68.143.219.in-addr.arpa.: domain name does not exist
[0] 87.68.143.219.in-addr.arpa.: domain name does not exist
[0] 88.68.143.219.in-addr.arpa.: domain name does not exist
[0] 89.68.143.219.in-addr.arpa.: domain name does not exist
[0] 90.68.143.219.in-addr.arpa.: domain name does not exist
[0] 91.68.143.219.in-addr.arpa.: domain name does not exist
[0] 92.68.143.219.in-addr.arpa.: domain name does not exist
[0] 93.68.143.219.in-addr.arpa.: domain name does not exist
[0] 94.68.143.219.in-addr.arpa.: domain name does not exist
[0] 95.68.143.219.in-addr.arpa.: domain name does not exist
[0] 96.68.143.219.in-addr.arpa.: domain name does not exist
[0] 97.68.143.219.in-addr.arpa.: domain name does not exist
[0] 98.68.143.219.in-addr.arpa.: domain name does not exist
[0] 99.68.143.219.in-addr.arpa.: domain name does not exist
[0] 100.68.143.219.in-addr.arpa.: domain name does not exist
[0] 101.68.143.219.in-addr.arpa.: domain name does not exist
[0] 102.68.143.219.in-addr.arpa.: domain name does not exist
[0] 103.68.143.219.in-addr.arpa.: domain name does not exist
[0] 104.68.143.219.in-addr.arpa.: domain name does not exist
[0] 105.68.143.219.in-addr.arpa.: domain name does not exist
[0] 106.68.143.219.in-addr.arpa.: domain name does not exist
[0] 107.68.143.219.in-addr.arpa.: domain name does not exist
[0] 108.68.143.219.in-addr.arpa.: domain name does not exist
[0] 109.68.143.219.in-addr.arpa.: domain name does not exist
[0] 110.68.143.219.in-addr.arpa.: domain name does not exist
[0] 111.68.143.219.in-addr.arpa.: domain name does not exist
[0] 112.68.143.219.in-addr.arpa.: domain name does not exist
[0] 113.68.143.219.in-addr.arpa.: domain name does not exist
[0] 114.68.143.219.in-addr.arpa.: domain name does not exist
[0] 115.68.143.219.in-addr.arpa.: domain name does not exist
[0] 116.68.143.219.in-addr.arpa.: domain name does not exist
[0] 117.68.143.219.in-addr.arpa.: domain name does not exist
[0] 118.68.143.219.in-addr.arpa.: domain name does not exist
[0] 119.68.143.219.in-addr.arpa.: domain name does not exist
[0] 120.68.143.219.in-addr.arpa.: domain name does not exist
[0] 121.68.143.219.in-addr.arpa.: domain name does not exist
[0] 122.68.143.219.in-addr.arpa.: domain name does not exist
[0] 123.68.143.219.in-addr.arpa.: domain name does not exist
[0] 124.68.143.219.in-addr.arpa.: domain name does not exist
[0] 125.68.143.219.in-addr.arpa.: domain name does not exist
[0] 126.68.143.219.in-addr.arpa.: domain name does not exist
[0] 127.68.143.219.in-addr.arpa.: domain name does not exist
[0] 128.68.143.219.in-addr.arpa.: domain name does not exist
[0] 129.68.143.219.in-addr.arpa.: domain name does not exist
[0] 130.68.143.219.in-addr.arpa.: domain name does not exist
[0] 131.68.143.219.in-addr.arpa.: domain name does not exist
[0] 132.68.143.219.in-addr.arpa.: domain name does not exist
[0] 133.68.143.219.in-addr.arpa.: domain name does not exist
[0] 134.68.143.219.in-addr.arpa.: domain name does not exist
[0] 135.68.143.219.in-addr.arpa.: domain name does not exist
[0] 136.68.143.219.in-addr.arpa.: domain name does not exist
[0] 137.68.143.219.in-addr.arpa.: domain name does not exist
[0] 138.68.143.219.in-addr.arpa.: domain name does not exist
[0] 139.68.143.219.in-addr.arpa.: domain name does not exist
[0] 140.68.143.219.in-addr.arpa.: domain name does not exist
[0] 141.68.143.219.in-addr.arpa.: domain name does not exist
[0] 142.68.143.219.in-addr.arpa.: domain name does not exist
[0] 143.68.143.219.in-addr.arpa.: domain name does not exist
[0] 144.68.143.219.in-addr.arpa.: domain name does not exist
[0] 145.68.143.219.in-addr.arpa.: domain name does not exist
[0] 146.68.143.219.in-addr.arpa.: domain name does not exist
[0] 147.68.143.219.in-addr.arpa.: domain name does not exist
[0] 148.68.143.219.in-addr.arpa.: domain name does not exist
[0] 149.68.143.219.in-addr.arpa.: domain name does not exist
[0] 150.68.143.219.in-addr.arpa.: domain name does not exist
[0] 151.68.143.219.in-addr.arpa.: domain name does not exist
[0] 152.68.143.219.in-addr.arpa.: domain name does not exist
[0] 153.68.143.219.in-addr.arpa.: domain name does not exist
[0] 154.68.143.219.in-addr.arpa.: domain name does not exist
[0] 155.68.143.219.in-addr.arpa.: domain name does not exist
[0] 156.68.143.219.in-addr.arpa.: domain name does not exist
[0] 157.68.143.219.in-addr.arpa.: domain name does not exist
[0] 158.68.143.219.in-addr.arpa.: domain name does not exist
[0] 159.68.143.219.in-addr.arpa.: domain name does not exist
[0] 160.68.143.219.in-addr.arpa.: domain name does not exist
[0] 161.68.143.219.in-addr.arpa.: domain name does not exist
[0] 162.68.143.219.in-addr.arpa.: domain name does not exist
[0] 163.68.143.219.in-addr.arpa.: domain name does not exist
[0] 164.68.143.219.in-addr.arpa.: domain name does not exist
[0] 165.68.143.219.in-addr.arpa.: domain name does not exist
[0] 166.68.143.219.in-addr.arpa.: domain name does not exist
[0] 167.68.143.219.in-addr.arpa.: domain name does not exist
[0] 168.68.143.219.in-addr.arpa.: domain name does not exist
[0] 169.68.143.219.in-addr.arpa.: domain name does not exist
[0] 170.68.143.219.in-addr.arpa.: domain name does not exist
[0] 171.68.143.219.in-addr.arpa.: domain name does not exist
[0] 172.68.143.219.in-addr.arpa.: domain name does not exist
[0] 173.68.143.219.in-addr.arpa.: domain name does not exist
[0] 174.68.143.219.in-addr.arpa.: domain name does not exist
[0] 175.68.143.219.in-addr.arpa.: domain name does not exist
[0] 176.68.143.219.in-addr.arpa.: domain name does not exist
[0] 177.68.143.219.in-addr.arpa.: domain name does not exist
[0] 178.68.143.219.in-addr.arpa.: domain name does not exist
[0] 179.68.143.219.in-addr.arpa.: domain name does not exist
[0] 180.68.143.219.in-addr.arpa.: domain name does not exist
[0] 181.68.143.219.in-addr.arpa.: domain name does not exist
[0] 182.68.143.219.in-addr.arpa.: domain name does not exist
[0] 183.68.143.219.in-addr.arpa.: domain name does not exist
[0] 184.68.143.219.in-addr.arpa.: domain name does not exist
[0] 185.68.143.219.in-addr.arpa.: domain name does not exist
[0] 186.68.143.219.in-addr.arpa.: domain name does not exist
[0] 187.68.143.219.in-addr.arpa.: domain name does not exist
[0] 188.68.143.219.in-addr.arpa.: domain name does not exist
[0] 189.68.143.219.in-addr.arpa.: domain name does not exist
[0] 190.68.143.219.in-addr.arpa.: domain name does not exist
[0] 191.68.143.219.in-addr.arpa.: domain name does not exist
[0] 192.68.143.219.in-addr.arpa.: domain name does not exist
[0] 193.68.143.219.in-addr.arpa.: domain name does not exist
[0] 194.68.143.219.in-addr.arpa.: domain name does not exist
[0] 195.68.143.219.in-addr.arpa.: domain name does not exist
[0] 196.68.143.219.in-addr.arpa.: domain name does not exist
[0] 197.68.143.219.in-addr.arpa.: domain name does not exist
[0] 198.68.143.219.in-addr.arpa.: domain name does not exist
[0] 199.68.143.219.in-addr.arpa.: domain name does not exist
[0] 200.68.143.219.in-addr.arpa.: domain name does not exist
[0] 201.68.143.219.in-addr.arpa.: domain name does not exist
[0] 202.68.143.219.in-addr.arpa.: domain name does not exist
[0] 203.68.143.219.in-addr.arpa.: domain name does not exist
[0] 204.68.143.219.in-addr.arpa.: domain name does not exist
[0] 205.68.143.219.in-addr.arpa.: domain name does not exist
[0] 206.68.143.219.in-addr.arpa.: domain name does not exist
[0] 207.68.143.219.in-addr.arpa.: domain name does not exist
[0] 208.68.143.219.in-addr.arpa.: domain name does not exist
[0] 209.68.143.219.in-addr.arpa.: domain name does not exist
[0] 210.68.143.219.in-addr.arpa.: domain name does not exist
[0] 211.68.143.219.in-addr.arpa.: domain name does not exist
[0] 212.68.143.219.in-addr.arpa.: domain name does not exist
[0] 213.68.143.219.in-addr.arpa.: domain name does not exist
[0] 214.68.143.219.in-addr.arpa.: domain name does not exist
[0] 215.68.143.219.in-addr.arpa.: domain name does not exist
[0] 216.68.143.219.in-addr.arpa.: domain name does not exist
[0] 217.68.143.219.in-addr.arpa.: domain name does not exist
[0] 218.68.143.219.in-addr.arpa.: domain name does not exist
[0] 219.68.143.219.in-addr.arpa.: domain name does not exist
[0] 220.68.143.219.in-addr.arpa.: domain name does not exist
[0] 221.68.143.219.in-addr.arpa.: domain name does not exist
[0] 222.68.143.219.in-addr.arpa.: domain name does not exist
[0] 223.68.143.219.in-addr.arpa.: domain name does not exist
[0] 224.68.143.219.in-addr.arpa.: domain name does not exist
[0] 225.68.143.219.in-addr.arpa.: domain name does not exist
[0] 226.68.143.219.in-addr.arpa.: domain name does not exist
[0] 227.68.143.219.in-addr.arpa.: domain name does not exist
[0] 228.68.143.219.in-addr.arpa.: domain name does not exist
[0] 229.68.143.219.in-addr.arpa.: domain name does not exist
[0] 230.68.143.219.in-addr.arpa.: domain name does not exist
[0] 231.68.143.219.in-addr.arpa.: domain name does not exist
[0] 232.68.143.219.in-addr.arpa.: domain name does not exist
[0] 233.68.143.219.in-addr.arpa.: domain name does not exist
[0] 234.68.143.219.in-addr.arpa.: domain name does not exist
[0] 235.68.143.219.in-addr.arpa.: domain name does not exist
[0] 236.68.143.219.in-addr.arpa.: domain name does not exist
[0] 237.68.143.219.in-addr.arpa.: domain name does not exist
[0] 238.68.143.219.in-addr.arpa.: domain name does not exist
[0] 239.68.143.219.in-addr.arpa.: domain name does not exist
[0] 240.68.143.219.in-addr.arpa.: domain name does not exist
[0] 241.68.143.219.in-addr.arpa.: domain name does not exist
[0] 242.68.143.219.in-addr.arpa.: domain name does not exist
[0] 243.68.143.219.in-addr.arpa.: domain name does not exist
[0] 244.68.143.219.in-addr.arpa.: domain name does not exist
[0] 245.68.143.219.in-addr.arpa.: domain name does not exist
[0] 246.68.143.219.in-addr.arpa.: domain name does not exist
[0] 247.68.143.219.in-addr.arpa.: domain name does not exist
[0] 248.68.143.219.in-addr.arpa.: domain name does not exist
[0] 249.68.143.219.in-addr.arpa.: domain name does not exist
[0] 250.68.143.219.in-addr.arpa.: domain name does not exist
[0] 251.68.143.219.in-addr.arpa.: domain name does not exist
[0] 252.68.143.219.in-addr.arpa.: domain name does not exist
[0] 253.68.143.219.in-addr.arpa.: domain name does not exist
[0] 254.68.143.219.in-addr.arpa.: domain name does not exist
[0] 255.68.143.219.in-addr.arpa.: domain name does not exist