[0] 0.6.251.18.in-addr.arpa.: domain name does not exist [1800] 1.6.251.18.in-addr.arpa. domain name pointer tang-two-fifty-six.mit.edu [1800] 2.6.251.18.in-addr.arpa. domain name pointer tang-two-fifty-seven.mit.edu [1800] 3.6.251.18.in-addr.arpa. domain name pointer tang-two-fifty-eight.mit.edu [1800] 4.6.251.18.in-addr.arpa. domain name pointer tang-two-fifty-nine.mit.edu [1800] 5.6.251.18.in-addr.arpa. domain name pointer tang-two-sixty.mit.edu [1800] 6.6.251.18.in-addr.arpa. domain name pointer tang-two-sixty-one.mit.edu [1800] 7.6.251.18.in-addr.arpa. domain name pointer tang-two-sixty-two.mit.edu [1800] 8.6.251.18.in-addr.arpa. domain name pointer tang-two-sixty-three.mit.edu [1800] 9.6.251.18.in-addr.arpa. domain name pointer tang-two-sixty-four.mit.edu [1800] 10.6.251.18.in-addr.arpa. domain name pointer tang-two-sixty-five.mit.edu [1800] 11.6.251.18.in-addr.arpa. domain name pointer tang-two-sixty-six.mit.edu [1800] 12.6.251.18.in-addr.arpa. domain name pointer tang-two-sixty-seven.mit.edu [1800] 13.6.251.18.in-addr.arpa. domain name pointer tang-two-sixty-eight.mit.edu [1800] 14.6.251.18.in-addr.arpa. domain name pointer tang-two-sixty-nine.mit.edu [1800] 15.6.251.18.in-addr.arpa. domain name pointer tang-two-seventy.mit.edu [1800] 16.6.251.18.in-addr.arpa. domain name pointer tang-two-seventy-one.mit.edu [1800] 17.6.251.18.in-addr.arpa. domain name pointer tang-two-seventy-two.mit.edu [1800] 18.6.251.18.in-addr.arpa. domain name pointer tang-two-seventy-three.mit.edu [1800] 19.6.251.18.in-addr.arpa. domain name pointer tang-two-seventy-four.mit.edu [1800] 20.6.251.18.in-addr.arpa. domain name pointer tang-two-seventy-five.mit.edu [1800] 21.6.251.18.in-addr.arpa. domain name pointer tang-two-seventy-six.mit.edu [1800] 22.6.251.18.in-addr.arpa. domain name pointer tang-two-seventy-seven.mit.edu [1800] 23.6.251.18.in-addr.arpa. domain name pointer tang-two-seventy-eight.mit.edu [1800] 24.6.251.18.in-addr.arpa. domain name pointer tang-two-seventy-nine.mit.edu [1800] 25.6.251.18.in-addr.arpa. domain name pointer tang-two-eighty.mit.edu [1800] 26.6.251.18.in-addr.arpa. domain name pointer tang-two-eighty-one.mit.edu [1800] 27.6.251.18.in-addr.arpa. domain name pointer tang-two-eighty-two.mit.edu [1800] 28.6.251.18.in-addr.arpa. domain name pointer tang-two-eighty-three.mit.edu [1800] 29.6.251.18.in-addr.arpa. domain name pointer tang-two-eighty-four.mit.edu [1800] 30.6.251.18.in-addr.arpa. domain name pointer tang-two-eighty-five.mit.edu [1800] 31.6.251.18.in-addr.arpa. domain name pointer tang-two-eighty-six.mit.edu [1800] 32.6.251.18.in-addr.arpa. domain name pointer tang-two-eighty-seven.mit.edu [1800] 33.6.251.18.in-addr.arpa. domain name pointer tang-two-eighty-eight.mit.edu [1800] 34.6.251.18.in-addr.arpa. domain name pointer tang-two-eighty-nine.mit.edu [1800] 35.6.251.18.in-addr.arpa. domain name pointer tang-two-ninety.mit.edu [1800] 36.6.251.18.in-addr.arpa. domain name pointer tang-two-ninety-one.mit.edu [1800] 37.6.251.18.in-addr.arpa. domain name pointer tang-two-ninety-two.mit.edu [1800] 38.6.251.18.in-addr.arpa. domain name pointer tang-two-ninety-three.mit.edu [1800] 39.6.251.18.in-addr.arpa. domain name pointer tang-two-ninety-four.mit.edu [1800] 40.6.251.18.in-addr.arpa. domain name pointer tang-two-ninety-five.mit.edu [1800] 41.6.251.18.in-addr.arpa. domain name pointer tang-two-ninety-six.mit.edu [1800] 42.6.251.18.in-addr.arpa. domain name pointer tang-two-ninety-seven.mit.edu [1800] 43.6.251.18.in-addr.arpa. domain name pointer tang-two-ninety-eight.mit.edu [1800] 44.6.251.18.in-addr.arpa. domain name pointer tang-two-ninety-nine.mit.edu [1800] 45.6.251.18.in-addr.arpa. domain name pointer tang-three-hundred.mit.edu [1800] 46.6.251.18.in-addr.arpa. domain name pointer tang-three-o-one.mit.edu [1800] 47.6.251.18.in-addr.arpa. domain name pointer tang-three-o-two.mit.edu [1800] 48.6.251.18.in-addr.arpa. domain name pointer tang-three-o-three.mit.edu [1800] 49.6.251.18.in-addr.arpa. domain name pointer tang-three-o-four.mit.edu [1800] 50.6.251.18.in-addr.arpa. domain name pointer tang-three-o-five.mit.edu [1800] 51.6.251.18.in-addr.arpa. domain name pointer tang-three-o-six.mit.edu [1800] 52.6.251.18.in-addr.arpa. domain name pointer tang-three-o-seven.mit.edu [1800] 53.6.251.18.in-addr.arpa. domain name pointer tang-three-o-eight.mit.edu [1800] 54.6.251.18.in-addr.arpa. domain name pointer tang-three-o-nine.mit.edu [1800] 55.6.251.18.in-addr.arpa. domain name pointer tang-three-ten.mit.edu [1800] 56.6.251.18.in-addr.arpa. domain name pointer tang-three-eleven.mit.edu [1800] 57.6.251.18.in-addr.arpa. domain name pointer tang-three-twelve.mit.edu [1800] 58.6.251.18.in-addr.arpa. domain name pointer tang-three-thirteen.mit.edu [1800] 59.6.251.18.in-addr.arpa. domain name pointer tang-three-fourteen.mit.edu [1800] 60.6.251.18.in-addr.arpa. domain name pointer tang-three-fifteen.mit.edu [1800] 61.6.251.18.in-addr.arpa. domain name pointer tang-three-sixteen.mit.edu [1800] 62.6.251.18.in-addr.arpa. domain name pointer tang-three-seventeen.mit.edu [1800] 63.6.251.18.in-addr.arpa. domain name pointer tang-three-eighteen.mit.edu [1800] 64.6.251.18.in-addr.arpa. domain name pointer tang-three-nineteen.mit.edu [1800] 65.6.251.18.in-addr.arpa. domain name pointer tang-three-twenty.mit.edu [1800] 66.6.251.18.in-addr.arpa. domain name pointer tang-three-twenty-one.mit.edu [1800] 67.6.251.18.in-addr.arpa. domain name pointer tang-three-twenty-two.mit.edu [1800] 68.6.251.18.in-addr.arpa. domain name pointer tang-three-twenty-three.mit.edu [1800] 69.6.251.18.in-addr.arpa. domain name pointer tang-three-twenty-four.mit.edu [1800] 70.6.251.18.in-addr.arpa. domain name pointer tang-three-twenty-five.mit.edu [1800] 71.6.251.18.in-addr.arpa. domain name pointer tang-three-twenty-six.mit.edu [1800] 72.6.251.18.in-addr.arpa. domain name pointer tang-three-twenty-seven.mit.edu [1800] 73.6.251.18.in-addr.arpa. domain name pointer tang-three-twenty-eight.mit.edu [1800] 74.6.251.18.in-addr.arpa. domain name pointer tang-three-twenty-nine.mit.edu [1800] 75.6.251.18.in-addr.arpa. domain name pointer tang-three-thirty.mit.edu [1800] 76.6.251.18.in-addr.arpa. domain name pointer tang-three-thirty-one.mit.edu [1800] 77.6.251.18.in-addr.arpa. domain name pointer tang-three-thirty-two.mit.edu [1800] 78.6.251.18.in-addr.arpa. domain name pointer tang-three-thirty-three.mit.edu [1800] 79.6.251.18.in-addr.arpa. domain name pointer tang-three-thirty-four.mit.edu [1800] 80.6.251.18.in-addr.arpa. domain name pointer tang-three-thirty-five.mit.edu [1800] 81.6.251.18.in-addr.arpa. domain name pointer tang-three-thirty-six.mit.edu [1800] 82.6.251.18.in-addr.arpa. domain name pointer tang-three-thirty-seven.mit.edu [1800] 83.6.251.18.in-addr.arpa. domain name pointer tang-three-thirty-eight.mit.edu [1800] 84.6.251.18.in-addr.arpa. domain name pointer tang-three-thirty-nine.mit.edu [1800] 85.6.251.18.in-addr.arpa. domain name pointer tang-three-forty.mit.edu [1800] 86.6.251.18.in-addr.arpa. domain name pointer tang-three-forty-one.mit.edu [1800] 87.6.251.18.in-addr.arpa. domain name pointer tang-three-forty-two.mit.edu [1800] 88.6.251.18.in-addr.arpa. domain name pointer tang-three-forty-three.mit.edu [1800] 89.6.251.18.in-addr.arpa. domain name pointer tang-three-forty-four.mit.edu [1800] 90.6.251.18.in-addr.arpa. domain name pointer tang-three-forty-five.mit.edu [1800] 91.6.251.18.in-addr.arpa. domain name pointer tang-three-forty-six.mit.edu [1800] 92.6.251.18.in-addr.arpa. domain name pointer tang-three-forty-seven.mit.edu [1800] 93.6.251.18.in-addr.arpa. domain name pointer tang-three-forty-eight.mit.edu [1800] 94.6.251.18.in-addr.arpa. domain name pointer tang-three-forty-nine.mit.edu [1800] 95.6.251.18.in-addr.arpa. domain name pointer tang-three-fifty.mit.edu [1800] 96.6.251.18.in-addr.arpa. domain name pointer tang-three-fifty-one.mit.edu [1800] 97.6.251.18.in-addr.arpa. domain name pointer tang-three-fifty-two.mit.edu [1800] 98.6.251.18.in-addr.arpa. domain name pointer tang-three-fifty-three.mit.edu [1800] 99.6.251.18.in-addr.arpa. domain name pointer tang-three-fifty-four.mit.edu [1800] 100.6.251.18.in-addr.arpa. domain name pointer tang-three-fifty-five.mit.edu [1800] 101.6.251.18.in-addr.arpa. domain name pointer tang-three-fifty-six.mit.edu [1800] 102.6.251.18.in-addr.arpa. domain name pointer tang-three-fifty-seven.mit.edu [1800] 103.6.251.18.in-addr.arpa. domain name pointer tang-three-fifty-eight.mit.edu [1800] 104.6.251.18.in-addr.arpa. domain name pointer tang-three-fifty-nine.mit.edu [1800] 105.6.251.18.in-addr.arpa. domain name pointer tang-three-sixty.mit.edu [1800] 106.6.251.18.in-addr.arpa. domain name pointer tang-three-sixty-one.mit.edu [1800] 107.6.251.18.in-addr.arpa. domain name pointer tang-three-sixty-two.mit.edu [1800] 108.6.251.18.in-addr.arpa. domain name pointer tang-three-sixty-three.mit.edu [1800] 109.6.251.18.in-addr.arpa. domain name pointer tang-three-sixty-four.mit.edu [1800] 110.6.251.18.in-addr.arpa. domain name pointer tang-three-sixty-five.mit.edu [1800] 111.6.251.18.in-addr.arpa. domain name pointer tang-three-sixty-six.mit.edu [1800] 112.6.251.18.in-addr.arpa. domain name pointer tang-three-sixty-seven.mit.edu [1800] 113.6.251.18.in-addr.arpa. domain name pointer tang-three-sixty-eight.mit.edu [1800] 114.6.251.18.in-addr.arpa. domain name pointer tang-three-sixty-nine.mit.edu [1800] 115.6.251.18.in-addr.arpa. domain name pointer tang-three-seventy.mit.edu [1800] 116.6.251.18.in-addr.arpa. domain name pointer tang-three-seventy-one.mit.edu [1800] 117.6.251.18.in-addr.arpa. domain name pointer tang-three-seventy-two.mit.edu [1800] 118.6.251.18.in-addr.arpa. domain name pointer tang-three-seventy-three.mit.edu [1800] 119.6.251.18.in-addr.arpa. domain name pointer tang-three-seventy-four.mit.edu [1800] 120.6.251.18.in-addr.arpa. domain name pointer tang-three-seventy-five.mit.edu [1800] 121.6.251.18.in-addr.arpa. domain name pointer tang-three-seventy-six.mit.edu [1800] 122.6.251.18.in-addr.arpa. domain name pointer tang-three-seventy-seven.mit.edu [1800] 123.6.251.18.in-addr.arpa. domain name pointer tang-three-seventy-eight.mit.edu [1800] 124.6.251.18.in-addr.arpa. domain name pointer tang-three-seventy-nine.mit.edu [1800] 125.6.251.18.in-addr.arpa. domain name pointer tang-three-eighty.mit.edu [1800] 126.6.251.18.in-addr.arpa. domain name pointer tang-three-eighty-one.mit.edu [1800] 127.6.251.18.in-addr.arpa. domain name pointer tang-three-eighty-two.mit.edu [1800] 128.6.251.18.in-addr.arpa. domain name pointer tang-three-eighty-three.mit.edu [1800] 129.6.251.18.in-addr.arpa. domain name pointer tang-three-eighty-four.mit.edu [1800] 130.6.251.18.in-addr.arpa. domain name pointer tang-three-eighty-five.mit.edu [1800] 131.6.251.18.in-addr.arpa. domain name pointer tang-three-eighty-six.mit.edu [1800] 132.6.251.18.in-addr.arpa. domain name pointer tang-three-eighty-seven.mit.edu [1800] 133.6.251.18.in-addr.arpa. domain name pointer tang-three-eighty-eight.mit.edu [1800] 134.6.251.18.in-addr.arpa. domain name pointer tang-three-eighty-nine.mit.edu [1800] 135.6.251.18.in-addr.arpa. domain name pointer tang-three-ninety.mit.edu [1800] 136.6.251.18.in-addr.arpa. domain name pointer tang-three-ninety-one.mit.edu [1800] 137.6.251.18.in-addr.arpa. domain name pointer tang-three-ninety-two.mit.edu [1800] 138.6.251.18.in-addr.arpa. domain name pointer tang-three-ninety-three.mit.edu [1800] 139.6.251.18.in-addr.arpa. domain name pointer tang-three-ninety-four.mit.edu [1800] 140.6.251.18.in-addr.arpa. domain name pointer tang-three-ninety-five.mit.edu [1800] 141.6.251.18.in-addr.arpa. domain name pointer tang-three-ninety-six.mit.edu [1800] 142.6.251.18.in-addr.arpa. domain name pointer tang-three-ninety-seven.mit.edu [1800] 143.6.251.18.in-addr.arpa. domain name pointer tang-three-ninety-eight.mit.edu [1800] 144.6.251.18.in-addr.arpa. domain name pointer tang-three-ninety-nine.mit.edu [1800] 145.6.251.18.in-addr.arpa. domain name pointer tang-four-hundred.mit.edu [1800] 146.6.251.18.in-addr.arpa. domain name pointer tang-four-o-one.mit.edu [1800] 147.6.251.18.in-addr.arpa. domain name pointer tang-four-o-two.mit.edu [1800] 148.6.251.18.in-addr.arpa. domain name pointer tang-four-o-three.mit.edu [1800] 149.6.251.18.in-addr.arpa. domain name pointer tang-four-o-four.mit.edu [1800] 150.6.251.18.in-addr.arpa. domain name pointer tang-four-o-five.mit.edu [1800] 151.6.251.18.in-addr.arpa. domain name pointer tang-four-o-six.mit.edu [1800] 152.6.251.18.in-addr.arpa. domain name pointer tang-four-o-seven.mit.edu [1800] 153.6.251.18.in-addr.arpa. domain name pointer tang-four-o-eight.mit.edu [1800] 154.6.251.18.in-addr.arpa. domain name pointer tang-four-o-nine.mit.edu [1800] 155.6.251.18.in-addr.arpa. domain name pointer tang-four-ten.mit.edu [1800] 156.6.251.18.in-addr.arpa. domain name pointer tang-four-eleven.mit.edu [1800] 157.6.251.18.in-addr.arpa. domain name pointer tang-four-twelve.mit.edu [1800] 158.6.251.18.in-addr.arpa. domain name pointer tang-four-thirteen.mit.edu [1800] 159.6.251.18.in-addr.arpa. domain name pointer tang-four-fourteen.mit.edu [1800] 160.6.251.18.in-addr.arpa. domain name pointer tang-four-fifteen.mit.edu [1800] 161.6.251.18.in-addr.arpa. domain name pointer tang-four-sixteen.mit.edu [1800] 162.6.251.18.in-addr.arpa. domain name pointer tang-four-seventeen.mit.edu [1800] 163.6.251.18.in-addr.arpa. domain name pointer tang-four-eighteen.mit.edu [1800] 164.6.251.18.in-addr.arpa. domain name pointer tang-four-nineteen.mit.edu [1800] 165.6.251.18.in-addr.arpa. domain name pointer tang-four-twenty.mit.edu [1800] 166.6.251.18.in-addr.arpa. domain name pointer tang-four-twenty-one.mit.edu [1800] 167.6.251.18.in-addr.arpa. domain name pointer tang-four-twenty-two.mit.edu [1800] 168.6.251.18.in-addr.arpa. domain name pointer tang-four-twenty-three.mit.edu [1800] 169.6.251.18.in-addr.arpa. domain name pointer tang-four-twenty-four.mit.edu [1800] 170.6.251.18.in-addr.arpa. domain name pointer tang-four-twenty-five.mit.edu [1800] 171.6.251.18.in-addr.arpa. domain name pointer tang-four-twenty-six.mit.edu [1800] 172.6.251.18.in-addr.arpa. domain name pointer tang-four-twenty-seven.mit.edu [1800] 173.6.251.18.in-addr.arpa. domain name pointer tang-four-twenty-eight.mit.edu [1800] 174.6.251.18.in-addr.arpa. domain name pointer tang-four-twenty-nine.mit.edu [1800] 175.6.251.18.in-addr.arpa. domain name pointer tang-four-thirty.mit.edu [1800] 176.6.251.18.in-addr.arpa. domain name pointer tang-four-thirty-one.mit.edu [1800] 177.6.251.18.in-addr.arpa. domain name pointer tang-four-thirty-two.mit.edu [1800] 178.6.251.18.in-addr.arpa. domain name pointer tang-four-thirty-three.mit.edu [1800] 179.6.251.18.in-addr.arpa. domain name pointer tang-four-thirty-four.mit.edu [1800] 180.6.251.18.in-addr.arpa. domain name pointer tang-four-thirty-five.mit.edu [1800] 181.6.251.18.in-addr.arpa. domain name pointer tang-four-thirty-six.mit.edu [1800] 182.6.251.18.in-addr.arpa. domain name pointer tang-four-thirty-seven.mit.edu [1800] 183.6.251.18.in-addr.arpa. domain name pointer tang-four-thirty-eight.mit.edu [1800] 184.6.251.18.in-addr.arpa. domain name pointer tang-four-thirty-nine.mit.edu [1800] 185.6.251.18.in-addr.arpa. domain name pointer tang-four-forty.mit.edu [1800] 186.6.251.18.in-addr.arpa. domain name pointer tang-four-forty-one.mit.edu [1800] 187.6.251.18.in-addr.arpa. domain name pointer tang-four-forty-two.mit.edu [1800] 188.6.251.18.in-addr.arpa. domain name pointer tang-four-forty-three.mit.edu [1800] 189.6.251.18.in-addr.arpa. domain name pointer tang-four-forty-four.mit.edu [1800] 190.6.251.18.in-addr.arpa. domain name pointer tang-four-forty-five.mit.edu [1800] 191.6.251.18.in-addr.arpa. domain name pointer tang-four-forty-six.mit.edu [1800] 192.6.251.18.in-addr.arpa. domain name pointer tang-four-forty-seven.mit.edu [1800] 193.6.251.18.in-addr.arpa. domain name pointer tang-four-forty-eight.mit.edu [1800] 194.6.251.18.in-addr.arpa. domain name pointer tang-four-forty-nine.mit.edu [1800] 195.6.251.18.in-addr.arpa. domain name pointer tang-four-fifty.mit.edu [1800] 196.6.251.18.in-addr.arpa. domain name pointer tang-four-fifty-one.mit.edu [1800] 197.6.251.18.in-addr.arpa. domain name pointer tang-four-fifty-two.mit.edu [1800] 198.6.251.18.in-addr.arpa. domain name pointer tang-four-fifty-three.mit.edu [1800] 199.6.251.18.in-addr.arpa. domain name pointer tang-four-fifty-four.mit.edu [1800] 200.6.251.18.in-addr.arpa. domain name pointer tang-four-fifty-five.mit.edu [1800] 201.6.251.18.in-addr.arpa. domain name pointer tang-four-fifty-six.mit.edu [1800] 202.6.251.18.in-addr.arpa. domain name pointer tang-four-fifty-seven.mit.edu [1800] 203.6.251.18.in-addr.arpa. domain name pointer tang-four-fifty-eight.mit.edu [1800] 204.6.251.18.in-addr.arpa. domain name pointer tang-four-fifty-nine.mit.edu [1800] 205.6.251.18.in-addr.arpa. domain name pointer tang-four-sixty.mit.edu [1800] 206.6.251.18.in-addr.arpa. domain name pointer tang-four-sixty-one.mit.edu [1800] 207.6.251.18.in-addr.arpa. domain name pointer tang-four-sixty-two.mit.edu [1800] 208.6.251.18.in-addr.arpa. domain name pointer tang-four-sixty-three.mit.edu [1800] 209.6.251.18.in-addr.arpa. domain name pointer tang-four-sixty-four.mit.edu [1800] 210.6.251.18.in-addr.arpa. domain name pointer tang-four-sixty-five.mit.edu [1800] 211.6.251.18.in-addr.arpa. domain name pointer tang-four-sixty-six.mit.edu [1800] 212.6.251.18.in-addr.arpa. domain name pointer tang-four-sixty-seven.mit.edu [1800] 213.6.251.18.in-addr.arpa. domain name pointer tang-four-sixty-eight.mit.edu [1800] 214.6.251.18.in-addr.arpa. domain name pointer tang-four-sixty-nine.mit.edu [1800] 215.6.251.18.in-addr.arpa. domain name pointer tang-four-seventy.mit.edu [1800] 216.6.251.18.in-addr.arpa. domain name pointer tang-four-seventy-one.mit.edu [1800] 217.6.251.18.in-addr.arpa. domain name pointer tang-four-seventy-two.mit.edu [1800] 218.6.251.18.in-addr.arpa. domain name pointer tang-four-seventy-three.mit.edu [1800] 219.6.251.18.in-addr.arpa. domain name pointer tang-four-seventy-four.mit.edu [1800] 220.6.251.18.in-addr.arpa. domain name pointer tang-four-seventy-five.mit.edu [1800] 221.6.251.18.in-addr.arpa. domain name pointer tang-four-seventy-six.mit.edu [1800] 222.6.251.18.in-addr.arpa. domain name pointer tang-four-seventy-seven.mit.edu [1800] 223.6.251.18.in-addr.arpa. domain name pointer tang-four-seventy-eight.mit.edu [1800] 224.6.251.18.in-addr.arpa. domain name pointer tang-four-seventy-nine.mit.edu [1800] 225.6.251.18.in-addr.arpa. domain name pointer tang-four-eighty.mit.edu [1800] 226.6.251.18.in-addr.arpa. domain name pointer tang-four-eighty-one.mit.edu [1800] 227.6.251.18.in-addr.arpa. domain name pointer tang-four-eighty-two.mit.edu [1800] 228.6.251.18.in-addr.arpa. domain name pointer tang-four-eighty-three.mit.edu [1800] 229.6.251.18.in-addr.arpa. domain name pointer tang-four-eighty-four.mit.edu [1800] 230.6.251.18.in-addr.arpa. domain name pointer tang-four-eighty-five.mit.edu [1800] 231.6.251.18.in-addr.arpa. domain name pointer tang-four-eighty-six.mit.edu [1800] 232.6.251.18.in-addr.arpa. domain name pointer tang-four-eighty-seven.mit.edu [1800] 233.6.251.18.in-addr.arpa. domain name pointer tang-four-eighty-eight.mit.edu [1800] 234.6.251.18.in-addr.arpa. domain name pointer tang-four-eighty-nine.mit.edu [1800] 235.6.251.18.in-addr.arpa. domain name pointer tang-four-ninety.mit.edu [1800] 236.6.251.18.in-addr.arpa. domain name pointer tang-four-ninety-one.mit.edu [1800] 237.6.251.18.in-addr.arpa. domain name pointer tang-four-ninety-two.mit.edu [1800] 238.6.251.18.in-addr.arpa. domain name pointer tang-four-ninety-three.mit.edu [1800] 239.6.251.18.in-addr.arpa. domain name pointer tang-four-ninety-four.mit.edu [1800] 240.6.251.18.in-addr.arpa. domain name pointer tang-four-ninety-five.mit.edu [1800] 241.6.251.18.in-addr.arpa. domain name pointer tang-four-ninety-six.mit.edu [1800] 242.6.251.18.in-addr.arpa. domain name pointer tang-four-ninety-seven.mit.edu [1800] 243.6.251.18.in-addr.arpa. domain name pointer tang-four-ninety-eight.mit.edu [1800] 244.6.251.18.in-addr.arpa. domain name pointer tang-four-ninety-nine.mit.edu [1800] 245.6.251.18.in-addr.arpa. domain name pointer tang-five-hundred.mit.edu [1800] 246.6.251.18.in-addr.arpa. domain name pointer tang-five-o-one.mit.edu [1800] 247.6.251.18.in-addr.arpa. domain name pointer tang-five-o-two.mit.edu [1800] 248.6.251.18.in-addr.arpa. domain name pointer tang-five-o-three.mit.edu [1800] 249.6.251.18.in-addr.arpa. domain name pointer tang-five-o-four.mit.edu [1800] 250.6.251.18.in-addr.arpa. domain name pointer tang-five-o-five.mit.edu [0] 251.6.251.18.in-addr.arpa.: domain name does not exist [0] 252.6.251.18.in-addr.arpa.: domain name does not exist [0] 253.6.251.18.in-addr.arpa.: domain name does not exist [0] 254.6.251.18.in-addr.arpa.: domain name does not exist [0] 255.6.251.18.in-addr.arpa.: domain name does not exist