[0] 0.225.81.61.in-addr.arpa.: domain name does not exist
[0] 1.225.81.61.in-addr.arpa.: domain name does not exist
[0] 2.225.81.61.in-addr.arpa.: domain name does not exist
[43200] 3.225.81.61.in-addr.arpa. domain name pointer mail.duksung21.com
[0] 4.225.81.61.in-addr.arpa.: domain name does not exist
[0] 5.225.81.61.in-addr.arpa.: domain name does not exist
[0] 6.225.81.61.in-addr.arpa.: domain name does not exist
[0] 7.225.81.61.in-addr.arpa.: domain name does not exist
[0] 8.225.81.61.in-addr.arpa.: domain name does not exist
[0] 9.225.81.61.in-addr.arpa.: domain name does not exist
[0] 10.225.81.61.in-addr.arpa.: domain name does not exist
[0] 11.225.81.61.in-addr.arpa.: domain name does not exist
[0] 12.225.81.61.in-addr.arpa.: domain name does not exist
[0] 13.225.81.61.in-addr.arpa.: domain name does not exist
[0] 14.225.81.61.in-addr.arpa.: domain name does not exist
[0] 15.225.81.61.in-addr.arpa.: domain name does not exist
[0] 16.225.81.61.in-addr.arpa.: domain name does not exist
[0] 17.225.81.61.in-addr.arpa.: domain name does not exist
[0] 18.225.81.61.in-addr.arpa.: domain name does not exist
[0] 19.225.81.61.in-addr.arpa.: domain name does not exist
[0] 20.225.81.61.in-addr.arpa.: domain name does not exist
[0] 21.225.81.61.in-addr.arpa.: domain name does not exist
[0] 22.225.81.61.in-addr.arpa.: domain name does not exist
[0] 23.225.81.61.in-addr.arpa.: domain name does not exist
[0] 24.225.81.61.in-addr.arpa.: domain name does not exist
[0] 25.225.81.61.in-addr.arpa.: domain name does not exist
[0] 26.225.81.61.in-addr.arpa.: domain name does not exist
[0] 27.225.81.61.in-addr.arpa.: domain name does not exist
[0] 28.225.81.61.in-addr.arpa.: domain name does not exist
[0] 29.225.81.61.in-addr.arpa.: domain name does not exist
[0] 30.225.81.61.in-addr.arpa.: domain name does not exist
[0] 31.225.81.61.in-addr.arpa.: domain name does not exist
[0] 32.225.81.61.in-addr.arpa.: domain name does not exist
[0] 33.225.81.61.in-addr.arpa.: domain name does not exist
[0] 34.225.81.61.in-addr.arpa.: domain name does not exist
[0] 35.225.81.61.in-addr.arpa.: domain name does not exist
[0] 36.225.81.61.in-addr.arpa.: domain name does not exist
[0] 37.225.81.61.in-addr.arpa.: domain name does not exist
[0] 38.225.81.61.in-addr.arpa.: domain name does not exist
[0] 39.225.81.61.in-addr.arpa.: domain name does not exist
[0] 40.225.81.61.in-addr.arpa.: domain name does not exist
[0] 41.225.81.61.in-addr.arpa.: domain name does not exist
[0] 42.225.81.61.in-addr.arpa.: domain name does not exist
[0] 43.225.81.61.in-addr.arpa.: domain name does not exist
[0] 44.225.81.61.in-addr.arpa.: domain name does not exist
[0] 45.225.81.61.in-addr.arpa.: domain name does not exist
[0] 46.225.81.61.in-addr.arpa.: domain name does not exist
[0] 47.225.81.61.in-addr.arpa.: domain name does not exist
[0] 48.225.81.61.in-addr.arpa.: domain name does not exist
[0] 49.225.81.61.in-addr.arpa.: domain name does not exist
[0] 50.225.81.61.in-addr.arpa.: domain name does not exist
[0] 51.225.81.61.in-addr.arpa.: domain name does not exist
[0] 52.225.81.61.in-addr.arpa.: domain name does not exist
[0] 53.225.81.61.in-addr.arpa.: domain name does not exist
[0] 54.225.81.61.in-addr.arpa.: domain name does not exist
[0] 55.225.81.61.in-addr.arpa.: domain name does not exist
[0] 56.225.81.61.in-addr.arpa.: domain name does not exist
[0] 57.225.81.61.in-addr.arpa.: domain name does not exist
[0] 58.225.81.61.in-addr.arpa.: domain name does not exist
[0] 59.225.81.61.in-addr.arpa.: domain name does not exist
[0] 60.225.81.61.in-addr.arpa.: domain name does not exist
[0] 61.225.81.61.in-addr.arpa.: domain name does not exist
[0] 62.225.81.61.in-addr.arpa.: domain name does not exist
[0] 63.225.81.61.in-addr.arpa.: domain name does not exist
[0] 64.225.81.61.in-addr.arpa.: domain name does not exist
[0] 65.225.81.61.in-addr.arpa.: domain name does not exist
[0] 66.225.81.61.in-addr.arpa.: domain name does not exist
[0] 67.225.81.61.in-addr.arpa.: domain name does not exist
[0] 68.225.81.61.in-addr.arpa.: domain name does not exist
[0] 69.225.81.61.in-addr.arpa.: domain name does not exist
[0] 70.225.81.61.in-addr.arpa.: domain name does not exist
[0] 71.225.81.61.in-addr.arpa.: domain name does not exist
[0] 72.225.81.61.in-addr.arpa.: domain name does not exist
[0] 73.225.81.61.in-addr.arpa.: domain name does not exist
[0] 74.225.81.61.in-addr.arpa.: domain name does not exist
[0] 75.225.81.61.in-addr.arpa.: domain name does not exist
[0] 76.225.81.61.in-addr.arpa.: domain name does not exist
[0] 77.225.81.61.in-addr.arpa.: domain name does not exist
[0] 78.225.81.61.in-addr.arpa.: domain name does not exist
[0] 79.225.81.61.in-addr.arpa.: domain name does not exist
[0] 80.225.81.61.in-addr.arpa.: domain name does not exist
[0] 81.225.81.61.in-addr.arpa.: domain name does not exist
[0] 82.225.81.61.in-addr.arpa.: domain name does not exist
[0] 83.225.81.61.in-addr.arpa.: domain name does not exist
[0] 84.225.81.61.in-addr.arpa.: domain name does not exist
[0] 85.225.81.61.in-addr.arpa.: domain name does not exist
[0] 86.225.81.61.in-addr.arpa.: domain name does not exist
[0] 87.225.81.61.in-addr.arpa.: domain name does not exist
[0] 88.225.81.61.in-addr.arpa.: domain name does not exist
[0] 89.225.81.61.in-addr.arpa.: domain name does not exist
[0] 90.225.81.61.in-addr.arpa.: domain name does not exist
[0] 91.225.81.61.in-addr.arpa.: domain name does not exist
[0] 92.225.81.61.in-addr.arpa.: domain name does not exist
[0] 93.225.81.61.in-addr.arpa.: domain name does not exist
[0] 94.225.81.61.in-addr.arpa.: domain name does not exist
[0] 95.225.81.61.in-addr.arpa.: domain name does not exist
[0] 96.225.81.61.in-addr.arpa.: domain name does not exist
[0] 97.225.81.61.in-addr.arpa.: domain name does not exist
[0] 98.225.81.61.in-addr.arpa.: domain name does not exist
[0] 99.225.81.61.in-addr.arpa.: domain name does not exist
[0] 100.225.81.61.in-addr.arpa.: domain name does not exist
[0] 101.225.81.61.in-addr.arpa.: domain name does not exist
[0] 102.225.81.61.in-addr.arpa.: domain name does not exist
[0] 103.225.81.61.in-addr.arpa.: domain name does not exist
[0] 104.225.81.61.in-addr.arpa.: domain name does not exist
[0] 105.225.81.61.in-addr.arpa.: domain name does not exist
[0] 106.225.81.61.in-addr.arpa.: domain name does not exist
[0] 107.225.81.61.in-addr.arpa.: domain name does not exist
[0] 108.225.81.61.in-addr.arpa.: domain name does not exist
[0] 109.225.81.61.in-addr.arpa.: domain name does not exist
[0] 110.225.81.61.in-addr.arpa.: domain name does not exist
[0] 111.225.81.61.in-addr.arpa.: domain name does not exist
[0] 112.225.81.61.in-addr.arpa.: domain name does not exist
[0] 113.225.81.61.in-addr.arpa.: domain name does not exist
[0] 114.225.81.61.in-addr.arpa.: domain name does not exist
[0] 115.225.81.61.in-addr.arpa.: domain name does not exist
[0] 116.225.81.61.in-addr.arpa.: domain name does not exist
[0] 117.225.81.61.in-addr.arpa.: domain name does not exist
[0] 118.225.81.61.in-addr.arpa.: domain name does not exist
[0] 119.225.81.61.in-addr.arpa.: domain name does not exist
[0] 120.225.81.61.in-addr.arpa.: domain name does not exist
[0] 121.225.81.61.in-addr.arpa.: domain name does not exist
[0] 122.225.81.61.in-addr.arpa.: domain name does not exist
[0] 123.225.81.61.in-addr.arpa.: domain name does not exist
[0] 124.225.81.61.in-addr.arpa.: domain name does not exist
[0] 125.225.81.61.in-addr.arpa.: domain name does not exist
[0] 126.225.81.61.in-addr.arpa.: domain name does not exist
[0] 127.225.81.61.in-addr.arpa.: domain name does not exist
[0] 128.225.81.61.in-addr.arpa.: domain name does not exist
[0] 129.225.81.61.in-addr.arpa.: domain name does not exist
[0] 130.225.81.61.in-addr.arpa.: domain name does not exist
[0] 131.225.81.61.in-addr.arpa.: domain name does not exist
[0] 132.225.81.61.in-addr.arpa.: domain name does not exist
[0] 133.225.81.61.in-addr.arpa.: domain name does not exist
[0] 134.225.81.61.in-addr.arpa.: domain name does not exist
[0] 135.225.81.61.in-addr.arpa.: domain name does not exist
[0] 136.225.81.61.in-addr.arpa.: domain name does not exist
[0] 137.225.81.61.in-addr.arpa.: domain name does not exist
[0] 138.225.81.61.in-addr.arpa.: domain name does not exist
[0] 139.225.81.61.in-addr.arpa.: domain name does not exist
[0] 140.225.81.61.in-addr.arpa.: domain name does not exist
[0] 141.225.81.61.in-addr.arpa.: domain name does not exist
[0] 142.225.81.61.in-addr.arpa.: domain name does not exist
[0] 143.225.81.61.in-addr.arpa.: domain name does not exist
[0] 144.225.81.61.in-addr.arpa.: domain name does not exist
[0] 145.225.81.61.in-addr.arpa.: domain name does not exist
[0] 146.225.81.61.in-addr.arpa.: domain name does not exist
[0] 147.225.81.61.in-addr.arpa.: domain name does not exist
[0] 148.225.81.61.in-addr.arpa.: domain name does not exist
[0] 149.225.81.61.in-addr.arpa.: domain name does not exist
[0] 150.225.81.61.in-addr.arpa.: domain name does not exist
[0] 151.225.81.61.in-addr.arpa.: domain name does not exist
[0] 152.225.81.61.in-addr.arpa.: domain name does not exist
[0] 153.225.81.61.in-addr.arpa.: domain name does not exist
[0] 154.225.81.61.in-addr.arpa.: domain name does not exist
[0] 155.225.81.61.in-addr.arpa.: domain name does not exist
[0] 156.225.81.61.in-addr.arpa.: domain name does not exist
[0] 157.225.81.61.in-addr.arpa.: domain name does not exist
[0] 158.225.81.61.in-addr.arpa.: domain name does not exist
[0] 159.225.81.61.in-addr.arpa.: domain name does not exist
[0] 160.225.81.61.in-addr.arpa.: domain name does not exist
[0] 161.225.81.61.in-addr.arpa.: domain name does not exist
[0] 162.225.81.61.in-addr.arpa.: domain name does not exist
[0] 163.225.81.61.in-addr.arpa.: domain name does not exist
[0] 164.225.81.61.in-addr.arpa.: domain name does not exist
[0] 165.225.81.61.in-addr.arpa.: domain name does not exist
[0] 166.225.81.61.in-addr.arpa.: domain name does not exist
[0] 167.225.81.61.in-addr.arpa.: domain name does not exist
[0] 168.225.81.61.in-addr.arpa.: domain name does not exist
[0] 169.225.81.61.in-addr.arpa.: domain name does not exist
[0] 170.225.81.61.in-addr.arpa.: domain name does not exist
[0] 171.225.81.61.in-addr.arpa.: domain name does not exist
[0] 172.225.81.61.in-addr.arpa.: domain name does not exist
[0] 173.225.81.61.in-addr.arpa.: domain name does not exist
[0] 174.225.81.61.in-addr.arpa.: domain name does not exist
[0] 175.225.81.61.in-addr.arpa.: domain name does not exist
[0] 176.225.81.61.in-addr.arpa.: domain name does not exist
[0] 177.225.81.61.in-addr.arpa.: domain name does not exist
[0] 178.225.81.61.in-addr.arpa.: domain name does not exist
[0] 179.225.81.61.in-addr.arpa.: domain name does not exist
[0] 180.225.81.61.in-addr.arpa.: domain name does not exist
[0] 181.225.81.61.in-addr.arpa.: domain name does not exist
[0] 182.225.81.61.in-addr.arpa.: domain name does not exist
[0] 183.225.81.61.in-addr.arpa.: domain name does not exist
[0] 184.225.81.61.in-addr.arpa.: domain name does not exist
[0] 185.225.81.61.in-addr.arpa.: domain name does not exist
[0] 186.225.81.61.in-addr.arpa.: domain name does not exist
[0] 187.225.81.61.in-addr.arpa.: domain name does not exist
[0] 188.225.81.61.in-addr.arpa.: domain name does not exist
[0] 189.225.81.61.in-addr.arpa.: domain name does not exist
[0] 190.225.81.61.in-addr.arpa.: domain name does not exist
[0] 191.225.81.61.in-addr.arpa.: domain name does not exist
[0] 192.225.81.61.in-addr.arpa.: domain name does not exist
[0] 193.225.81.61.in-addr.arpa.: domain name does not exist
[0] 194.225.81.61.in-addr.arpa.: domain name does not exist
[0] 195.225.81.61.in-addr.arpa.: domain name does not exist
[0] 196.225.81.61.in-addr.arpa.: domain name does not exist
[0] 197.225.81.61.in-addr.arpa.: domain name does not exist
[0] 198.225.81.61.in-addr.arpa.: domain name does not exist
[0] 199.225.81.61.in-addr.arpa.: domain name does not exist
[0] 200.225.81.61.in-addr.arpa.: domain name does not exist
[0] 201.225.81.61.in-addr.arpa.: domain name does not exist
[0] 202.225.81.61.in-addr.arpa.: domain name does not exist
[0] 203.225.81.61.in-addr.arpa.: domain name does not exist
[0] 204.225.81.61.in-addr.arpa.: domain name does not exist
[0] 205.225.81.61.in-addr.arpa.: domain name does not exist
[0] 206.225.81.61.in-addr.arpa.: domain name does not exist
[0] 207.225.81.61.in-addr.arpa.: domain name does not exist
[0] 208.225.81.61.in-addr.arpa.: domain name does not exist
[0] 209.225.81.61.in-addr.arpa.: domain name does not exist
[0] 210.225.81.61.in-addr.arpa.: domain name does not exist
[0] 211.225.81.61.in-addr.arpa.: domain name does not exist
[0] 212.225.81.61.in-addr.arpa.: domain name does not exist
[0] 213.225.81.61.in-addr.arpa.: domain name does not exist
[0] 214.225.81.61.in-addr.arpa.: domain name does not exist
[0] 215.225.81.61.in-addr.arpa.: domain name does not exist
[0] 216.225.81.61.in-addr.arpa.: domain name does not exist
[0] 217.225.81.61.in-addr.arpa.: domain name does not exist
[0] 218.225.81.61.in-addr.arpa.: domain name does not exist
[0] 219.225.81.61.in-addr.arpa.: domain name does not exist
[0] 220.225.81.61.in-addr.arpa.: domain name does not exist
[0] 221.225.81.61.in-addr.arpa.: domain name does not exist
[0] 222.225.81.61.in-addr.arpa.: domain name does not exist
[0] 223.225.81.61.in-addr.arpa.: domain name does not exist
[0] 224.225.81.61.in-addr.arpa.: domain name does not exist
[0] 225.225.81.61.in-addr.arpa.: domain name does not exist
[0] 226.225.81.61.in-addr.arpa.: domain name does not exist
[0] 227.225.81.61.in-addr.arpa.: domain name does not exist
[0] 228.225.81.61.in-addr.arpa.: domain name does not exist
[0] 229.225.81.61.in-addr.arpa.: domain name does not exist
[0] 230.225.81.61.in-addr.arpa.: domain name does not exist
[0] 231.225.81.61.in-addr.arpa.: domain name does not exist
[0] 232.225.81.61.in-addr.arpa.: domain name does not exist
[0] 233.225.81.61.in-addr.arpa.: domain name does not exist
[0] 234.225.81.61.in-addr.arpa.: domain name does not exist
[0] 235.225.81.61.in-addr.arpa.: domain name does not exist
[0] 236.225.81.61.in-addr.arpa.: domain name does not exist
[0] 237.225.81.61.in-addr.arpa.: domain name does not exist
[0] 238.225.81.61.in-addr.arpa.: domain name does not exist
[0] 239.225.81.61.in-addr.arpa.: domain name does not exist
[0] 240.225.81.61.in-addr.arpa.: domain name does not exist
[0] 241.225.81.61.in-addr.arpa.: domain name does not exist
[0] 242.225.81.61.in-addr.arpa.: domain name does not exist
[0] 243.225.81.61.in-addr.arpa.: domain name does not exist
[0] 244.225.81.61.in-addr.arpa.: domain name does not exist
[0] 245.225.81.61.in-addr.arpa.: domain name does not exist
[0] 246.225.81.61.in-addr.arpa.: domain name does not exist
[0] 247.225.81.61.in-addr.arpa.: domain name does not exist
[0] 248.225.81.61.in-addr.arpa.: domain name does not exist
[0] 249.225.81.61.in-addr.arpa.: domain name does not exist
[0] 250.225.81.61.in-addr.arpa.: domain name does not exist
[0] 251.225.81.61.in-addr.arpa.: domain name does not exist
[0] 252.225.81.61.in-addr.arpa.: domain name does not exist
[0] 253.225.81.61.in-addr.arpa.: domain name does not exist
[0] 254.225.81.61.in-addr.arpa.: domain name does not exist
[0] 255.225.81.61.in-addr.arpa.: domain name does not exist