[0] 0.72.47.211.in-addr.arpa.: domain name does not exist
[0] 1.72.47.211.in-addr.arpa.: domain name does not exist
[0] 2.72.47.211.in-addr.arpa.: domain name does not exist
[0] 3.72.47.211.in-addr.arpa.: domain name does not exist
[600] 4.72.47.211.in-addr.arpa. domain name pointer cofw.tt.co.kr
[0] 5.72.47.211.in-addr.arpa.: domain name does not exist
[0] 6.72.47.211.in-addr.arpa.: domain name does not exist
[0] 7.72.47.211.in-addr.arpa.: domain name does not exist
[0] 8.72.47.211.in-addr.arpa.: domain name does not exist
[0] 9.72.47.211.in-addr.arpa.: domain name does not exist
[600] 10.72.47.211.in-addr.arpa. domain name pointer mail-10.tt.co.kr
[600] 11.72.47.211.in-addr.arpa. domain name pointer mail-11.tt.co.kr
[600] 12.72.47.211.in-addr.arpa. domain name pointer mail-12.tt.co.kr
[600] 13.72.47.211.in-addr.arpa. domain name pointer mail-13.tt.co.kr
[600] 14.72.47.211.in-addr.arpa. domain name pointer mail-14.tt.co.kr.72.47.211.in-addr.arpa
[600] 15.72.47.211.in-addr.arpa. domain name pointer mail-15.tt.co.kr
[600] 16.72.47.211.in-addr.arpa. domain name pointer mail-16.tt.co.kr
[600] 17.72.47.211.in-addr.arpa. domain name pointer ail-17.tt.co.kr
[600] 18.72.47.211.in-addr.arpa. domain name pointer mail-18.tt.co.kr
[600] 19.72.47.211.in-addr.arpa. domain name pointer mail-19.tt.co.kr
[600] 20.72.47.211.in-addr.arpa. domain name pointer mail-20.tt.co.kr
[600] 21.72.47.211.in-addr.arpa. domain name pointer mailhub-21.tt.co.kr
[600] 22.72.47.211.in-addr.arpa. domain name pointer mailhub-22.tt.co.kr
[600] 23.72.47.211.in-addr.arpa. domain name pointer mailhub-23.tt.co.kr
[600] 24.72.47.211.in-addr.arpa. domain name pointer mailhub-24.tt.co.kr
[600] 25.72.47.211.in-addr.arpa. domain name pointer mailhub-25.tt.co.kr
[600] 26.72.47.211.in-addr.arpa. domain name pointer mailhub-26.tt.co.kr
[600] 27.72.47.211.in-addr.arpa. domain name pointer mailhub-27.tt.co.kr
[600] 28.72.47.211.in-addr.arpa. domain name pointer mailhub-28.tt.co.kr
[600] 29.72.47.211.in-addr.arpa. domain name pointer mailhub-29.tt.co.kr
[0] 30.72.47.211.in-addr.arpa.: domain name does not exist
[0] 31.72.47.211.in-addr.arpa.: domain name does not exist
[0] 32.72.47.211.in-addr.arpa.: domain name does not exist
[600] 33.72.47.211.in-addr.arpa. domain name pointer dns.ttidc.com
[0] 34.72.47.211.in-addr.arpa.: domain name does not exist
[0] 35.72.47.211.in-addr.arpa.: domain name does not exist
[0] 36.72.47.211.in-addr.arpa.: domain name does not exist
[0] 37.72.47.211.in-addr.arpa.: domain name does not exist
[0] 38.72.47.211.in-addr.arpa.: domain name does not exist
[0] 39.72.47.211.in-addr.arpa.: domain name does not exist
[0] 40.72.47.211.in-addr.arpa.: domain name does not exist
[0] 41.72.47.211.in-addr.arpa.: domain name does not exist
[0] 42.72.47.211.in-addr.arpa.: domain name does not exist
[0] 43.72.47.211.in-addr.arpa.: domain name does not exist
[0] 44.72.47.211.in-addr.arpa.: domain name does not exist
[0] 45.72.47.211.in-addr.arpa.: domain name does not exist
[0] 46.72.47.211.in-addr.arpa.: domain name does not exist
[0] 47.72.47.211.in-addr.arpa.: domain name does not exist
[0] 48.72.47.211.in-addr.arpa.: domain name does not exist
[0] 49.72.47.211.in-addr.arpa.: domain name does not exist
[0] 50.72.47.211.in-addr.arpa.: domain name does not exist
[0] 51.72.47.211.in-addr.arpa.: domain name does not exist
[0] 52.72.47.211.in-addr.arpa.: domain name does not exist
[0] 53.72.47.211.in-addr.arpa.: domain name does not exist
[0] 54.72.47.211.in-addr.arpa.: domain name does not exist
[0] 55.72.47.211.in-addr.arpa.: domain name does not exist
[600] 56.72.47.211.in-addr.arpa. domain name pointer queue1.tt.co.kr
[0] 57.72.47.211.in-addr.arpa.: domain name does not exist
[0] 58.72.47.211.in-addr.arpa.: domain name does not exist
[0] 59.72.47.211.in-addr.arpa.: domain name does not exist
[0] 60.72.47.211.in-addr.arpa.: domain name does not exist
[0] 61.72.47.211.in-addr.arpa.: domain name does not exist
[0] 62.72.47.211.in-addr.arpa.: domain name does not exist
[0] 63.72.47.211.in-addr.arpa.: domain name does not exist
[0] 64.72.47.211.in-addr.arpa.: domain name does not exist
[0] 65.72.47.211.in-addr.arpa.: domain name does not exist
[0] 66.72.47.211.in-addr.arpa.: domain name does not exist
[0] 67.72.47.211.in-addr.arpa.: domain name does not exist
[0] 68.72.47.211.in-addr.arpa.: domain name does not exist
[0] 69.72.47.211.in-addr.arpa.: domain name does not exist
[0] 70.72.47.211.in-addr.arpa.: domain name does not exist
[0] 71.72.47.211.in-addr.arpa.: domain name does not exist
[0] 72.72.47.211.in-addr.arpa.: domain name does not exist
[0] 73.72.47.211.in-addr.arpa.: domain name does not exist
[0] 74.72.47.211.in-addr.arpa.: domain name does not exist
[0] 75.72.47.211.in-addr.arpa.: domain name does not exist
[0] 76.72.47.211.in-addr.arpa.: domain name does not exist
[0] 77.72.47.211.in-addr.arpa.: domain name does not exist
[0] 78.72.47.211.in-addr.arpa.: domain name does not exist
[0] 79.72.47.211.in-addr.arpa.: domain name does not exist
[0] 80.72.47.211.in-addr.arpa.: domain name does not exist
[600] 81.72.47.211.in-addr.arpa. domain name pointer mailhub1-81.tt.co.kr
[600] 82.72.47.211.in-addr.arpa. domain name pointer mailproxy2.tt.co.kr
[600] 83.72.47.211.in-addr.arpa. domain name pointer mailhub1-83.tt.co.kr
[600] 84.72.47.211.in-addr.arpa. domain name pointer mailhub1-84.tt.co.kr
[600] 85.72.47.211.in-addr.arpa. domain name pointer smtphub5.tt.co.kr
[600] 86.72.47.211.in-addr.arpa. domain name pointer mailhub1-86.tt.co.kr
[600] 87.72.47.211.in-addr.arpa. domain name pointer mailhub1-87.tt.co.kr
[600] 88.72.47.211.in-addr.arpa. domain name pointer mailhub1-88.tt.co.kr
[600] 89.72.47.211.in-addr.arpa. domain name pointer mailhub1-89.tt.co.kr
[600] 90.72.47.211.in-addr.arpa. domain name pointer mailhub1-90.tt.co.kr
[600] 91.72.47.211.in-addr.arpa. domain name pointer mailhub1-91.tt.co.kr
[0] 92.72.47.211.in-addr.arpa.: domain name does not exist
[0] 93.72.47.211.in-addr.arpa.: domain name does not exist
[0] 94.72.47.211.in-addr.arpa.: domain name does not exist
[0] 95.72.47.211.in-addr.arpa.: domain name does not exist
[0] 96.72.47.211.in-addr.arpa.: domain name does not exist
[0] 97.72.47.211.in-addr.arpa.: domain name does not exist
[0] 98.72.47.211.in-addr.arpa.: domain name does not exist
[0] 99.72.47.211.in-addr.arpa.: domain name does not exist
[0] 100.72.47.211.in-addr.arpa.: domain name does not exist
[0] 101.72.47.211.in-addr.arpa.: domain name does not exist
[0] 102.72.47.211.in-addr.arpa.: domain name does not exist
[0] 103.72.47.211.in-addr.arpa.: domain name does not exist
[0] 104.72.47.211.in-addr.arpa.: domain name does not exist
[0] 105.72.47.211.in-addr.arpa.: domain name does not exist
[0] 106.72.47.211.in-addr.arpa.: domain name does not exist
[0] 107.72.47.211.in-addr.arpa.: domain name does not exist
[0] 108.72.47.211.in-addr.arpa.: domain name does not exist
[0] 109.72.47.211.in-addr.arpa.: domain name does not exist
[0] 110.72.47.211.in-addr.arpa.: domain name does not exist
[600] 111.72.47.211.in-addr.arpa. domain name pointer smtphub1.tt.co.kr
[0] 112.72.47.211.in-addr.arpa.: domain name does not exist
[0] 113.72.47.211.in-addr.arpa.: domain name does not exist
[0] 114.72.47.211.in-addr.arpa.: domain name does not exist
[0] 115.72.47.211.in-addr.arpa.: domain name does not exist
[0] 116.72.47.211.in-addr.arpa.: domain name does not exist
[0] 117.72.47.211.in-addr.arpa.: domain name does not exist
[0] 118.72.47.211.in-addr.arpa.: domain name does not exist
[0] 119.72.47.211.in-addr.arpa.: domain name does not exist
[0] 120.72.47.211.in-addr.arpa.: domain name does not exist
[0] 121.72.47.211.in-addr.arpa.: domain name does not exist
[0] 122.72.47.211.in-addr.arpa.: domain name does not exist
[0] 123.72.47.211.in-addr.arpa.: domain name does not exist
[0] 124.72.47.211.in-addr.arpa.: domain name does not exist
[0] 125.72.47.211.in-addr.arpa.: domain name does not exist
[0] 126.72.47.211.in-addr.arpa.: domain name does not exist
[0] 127.72.47.211.in-addr.arpa.: domain name does not exist
[0] 128.72.47.211.in-addr.arpa.: domain name does not exist
[0] 129.72.47.211.in-addr.arpa.: domain name does not exist
[0] 130.72.47.211.in-addr.arpa.: domain name does not exist
[0] 131.72.47.211.in-addr.arpa.: domain name does not exist
[0] 132.72.47.211.in-addr.arpa.: domain name does not exist
[0] 133.72.47.211.in-addr.arpa.: domain name does not exist
[0] 134.72.47.211.in-addr.arpa.: domain name does not exist
[0] 135.72.47.211.in-addr.arpa.: domain name does not exist
[0] 136.72.47.211.in-addr.arpa.: domain name does not exist
[0] 137.72.47.211.in-addr.arpa.: domain name does not exist
[0] 138.72.47.211.in-addr.arpa.: domain name does not exist
[0] 139.72.47.211.in-addr.arpa.: domain name does not exist
[0] 140.72.47.211.in-addr.arpa.: domain name does not exist
[0] 141.72.47.211.in-addr.arpa.: domain name does not exist
[0] 142.72.47.211.in-addr.arpa.: domain name does not exist
[0] 143.72.47.211.in-addr.arpa.: domain name does not exist
[0] 144.72.47.211.in-addr.arpa.: domain name does not exist
[0] 145.72.47.211.in-addr.arpa.: domain name does not exist
[0] 146.72.47.211.in-addr.arpa.: domain name does not exist
[0] 147.72.47.211.in-addr.arpa.: domain name does not exist
[0] 148.72.47.211.in-addr.arpa.: domain name does not exist
[0] 149.72.47.211.in-addr.arpa.: domain name does not exist
[0] 150.72.47.211.in-addr.arpa.: domain name does not exist
[0] 151.72.47.211.in-addr.arpa.: domain name does not exist
[0] 152.72.47.211.in-addr.arpa.: domain name does not exist
[0] 153.72.47.211.in-addr.arpa.: domain name does not exist
[0] 154.72.47.211.in-addr.arpa.: domain name does not exist
[0] 155.72.47.211.in-addr.arpa.: domain name does not exist
[0] 156.72.47.211.in-addr.arpa.: domain name does not exist
[0] 157.72.47.211.in-addr.arpa.: domain name does not exist
[0] 158.72.47.211.in-addr.arpa.: domain name does not exist
[0] 159.72.47.211.in-addr.arpa.: domain name does not exist
[0] 160.72.47.211.in-addr.arpa.: domain name does not exist
[0] 161.72.47.211.in-addr.arpa.: domain name does not exist
[0] 162.72.47.211.in-addr.arpa.: domain name does not exist
[0] 163.72.47.211.in-addr.arpa.: domain name does not exist
[0] 164.72.47.211.in-addr.arpa.: domain name does not exist
[0] 165.72.47.211.in-addr.arpa.: domain name does not exist
[0] 166.72.47.211.in-addr.arpa.: domain name does not exist
[0] 167.72.47.211.in-addr.arpa.: domain name does not exist
[600] 168.72.47.211.in-addr.arpa. domain name pointer smtphub.tt.co.kr
[0] 169.72.47.211.in-addr.arpa.: domain name does not exist
[0] 170.72.47.211.in-addr.arpa.: domain name does not exist
[0] 171.72.47.211.in-addr.arpa.: domain name does not exist
[0] 172.72.47.211.in-addr.arpa.: domain name does not exist
[0] 173.72.47.211.in-addr.arpa.: domain name does not exist
[0] 174.72.47.211.in-addr.arpa.: domain name does not exist
[0] 175.72.47.211.in-addr.arpa.: domain name does not exist
[0] 176.72.47.211.in-addr.arpa.: domain name does not exist
[0] 177.72.47.211.in-addr.arpa.: domain name does not exist
[0] 178.72.47.211.in-addr.arpa.: domain name does not exist
[0] 179.72.47.211.in-addr.arpa.: domain name does not exist
[0] 180.72.47.211.in-addr.arpa.: domain name does not exist
[0] 181.72.47.211.in-addr.arpa.: domain name does not exist
[0] 182.72.47.211.in-addr.arpa.: domain name does not exist
[0] 183.72.47.211.in-addr.arpa.: domain name does not exist
[0] 184.72.47.211.in-addr.arpa.: domain name does not exist
[0] 185.72.47.211.in-addr.arpa.: domain name does not exist
[0] 186.72.47.211.in-addr.arpa.: domain name does not exist
[0] 187.72.47.211.in-addr.arpa.: domain name does not exist
[0] 188.72.47.211.in-addr.arpa.: domain name does not exist
[0] 189.72.47.211.in-addr.arpa.: domain name does not exist
[0] 190.72.47.211.in-addr.arpa.: domain name does not exist
[0] 191.72.47.211.in-addr.arpa.: domain name does not exist
[0] 192.72.47.211.in-addr.arpa.: domain name does not exist
[0] 193.72.47.211.in-addr.arpa.: domain name does not exist
[0] 194.72.47.211.in-addr.arpa.: domain name does not exist
[0] 195.72.47.211.in-addr.arpa.: domain name does not exist
[0] 196.72.47.211.in-addr.arpa.: domain name does not exist
[0] 197.72.47.211.in-addr.arpa.: domain name does not exist
[0] 198.72.47.211.in-addr.arpa.: domain name does not exist
[0] 199.72.47.211.in-addr.arpa.: domain name does not exist
[0] 200.72.47.211.in-addr.arpa.: domain name does not exist
[0] 201.72.47.211.in-addr.arpa.: domain name does not exist
[0] 202.72.47.211.in-addr.arpa.: domain name does not exist
[0] 203.72.47.211.in-addr.arpa.: domain name does not exist
[0] 204.72.47.211.in-addr.arpa.: domain name does not exist
[0] 205.72.47.211.in-addr.arpa.: domain name does not exist
[0] 206.72.47.211.in-addr.arpa.: domain name does not exist
[0] 207.72.47.211.in-addr.arpa.: domain name does not exist
[0] 208.72.47.211.in-addr.arpa.: domain name does not exist
[0] 209.72.47.211.in-addr.arpa.: domain name does not exist
[0] 210.72.47.211.in-addr.arpa.: domain name does not exist
[0] 211.72.47.211.in-addr.arpa.: domain name does not exist
[0] 212.72.47.211.in-addr.arpa.: domain name does not exist
[0] 213.72.47.211.in-addr.arpa.: domain name does not exist
[0] 214.72.47.211.in-addr.arpa.: domain name does not exist
[0] 215.72.47.211.in-addr.arpa.: domain name does not exist
[0] 216.72.47.211.in-addr.arpa.: domain name does not exist
[0] 217.72.47.211.in-addr.arpa.: domain name does not exist
[0] 218.72.47.211.in-addr.arpa.: domain name does not exist
[0] 219.72.47.211.in-addr.arpa.: domain name does not exist
[600] 220.72.47.211.in-addr.arpa. domain name pointer mailhub2-20.tt.co.kr
[600] 221.72.47.211.in-addr.arpa. domain name pointer mailhub2-21.tt.co.kr
[600] 222.72.47.211.in-addr.arpa. domain name pointer mailhub2-22.tt.co.kr
[600] 223.72.47.211.in-addr.arpa. domain name pointer mailhub2-23.tt.co.kr
[600] 224.72.47.211.in-addr.arpa. domain name pointer mailhub2-24.tt.co.kr
[600] 225.72.47.211.in-addr.arpa. domain name pointer mailhub2-25.tt.co.kr
[600] 226.72.47.211.in-addr.arpa. domain name pointer mailhub2-26.tt.co.kr
[600] 227.72.47.211.in-addr.arpa. domain name pointer mailhub2-27.tt.co.kr
[600] 228.72.47.211.in-addr.arpa. domain name pointer mailhub2-28.tt.co.kr
[600] 229.72.47.211.in-addr.arpa. domain name pointer mailhub2-29.tt.co.kr
[600] 230.72.47.211.in-addr.arpa. domain name pointer mailhub2-30.tt.co.kr
[600] 231.72.47.211.in-addr.arpa. domain name pointer mail-1.tt.co.kr
[600] 232.72.47.211.in-addr.arpa. domain name pointer mail-2.tt.co.kr
[600] 233.72.47.211.in-addr.arpa. domain name pointer mail-3.tt.co.kr
[600] 234.72.47.211.in-addr.arpa. domain name pointer mail-4.tt.co.kr mail-13.tt.co.kr
[600] 235.72.47.211.in-addr.arpa. domain name pointer mail-5.tt.co.kr.72.47.211.in-addr.arpa
[600] 236.72.47.211.in-addr.arpa. domain name pointer mail-6.tt.co.kr.72.47.211.in-addr.arpa
[600] 237.72.47.211.in-addr.arpa. domain name pointer mail-7.tt.co.kr.72.47.211.in-addr.arpa
[600] 238.72.47.211.in-addr.arpa. domain name pointer mail-8.tt.co.kr
[600] 239.72.47.211.in-addr.arpa. domain name pointer mail-9.tt.co.kr
[600] 240.72.47.211.in-addr.arpa. domain name pointer mail-10.tt.co.kr
[600] 241.72.47.211.in-addr.arpa. domain name pointer mail-11.tt.co.kr
[600] 242.72.47.211.in-addr.arpa. domain name pointer mail-12.tt.co.kr
[0] 243.72.47.211.in-addr.arpa.: domain name does not exist
[600] 244.72.47.211.in-addr.arpa. domain name pointer mail-14.tt.co.kr
[600] 245.72.47.211.in-addr.arpa. domain name pointer mail-15.tt.co.kr
[600] 246.72.47.211.in-addr.arpa. domain name pointer mail-16.tt.co.kr
[600] 247.72.47.211.in-addr.arpa. domain name pointer mail-17.tt.co.kr
[600] 248.72.47.211.in-addr.arpa. domain name pointer mail-18.tt.co.kr
[600] 249.72.47.211.in-addr.arpa. domain name pointer mail-19.tt.co.kr
[600] 250.72.47.211.in-addr.arpa. domain name pointer mail-20.tt.co.kr
[600] 251.72.47.211.in-addr.arpa. domain name pointer mail-21.tt.co.kr
[600] 252.72.47.211.in-addr.arpa. domain name pointer mail-22.tt.co.kr
[600] 253.72.47.211.in-addr.arpa. domain name pointer mail-23.tt.co.kr
[600] 254.72.47.211.in-addr.arpa. domain name pointer mail-24.tt.co.kr
[0] 255.72.47.211.in-addr.arpa.: domain name does not exist