[0] 0.182.122.168.in-addr.arpa.: domain name does not exist [86400] 1.182.122.168.in-addr.arpa. domain name pointer comm1019-0401net-gw01.bu.edu [0] 2.182.122.168.in-addr.arpa.: domain name does not exist [0] 3.182.122.168.in-addr.arpa.: domain name does not exist [0] 4.182.122.168.in-addr.arpa.: domain name does not exist [0] 5.182.122.168.in-addr.arpa.: domain name does not exist [0] 6.182.122.168.in-addr.arpa.: domain name does not exist [0] 7.182.122.168.in-addr.arpa.: domain name does not exist [0] 8.182.122.168.in-addr.arpa.: domain name does not exist [0] 9.182.122.168.in-addr.arpa.: domain name does not exist [0] 10.182.122.168.in-addr.arpa.: domain name does not exist [0] 11.182.122.168.in-addr.arpa.: domain name does not exist [0] 12.182.122.168.in-addr.arpa.: domain name does not exist [0] 13.182.122.168.in-addr.arpa.: domain name does not exist [0] 14.182.122.168.in-addr.arpa.: domain name does not exist [0] 15.182.122.168.in-addr.arpa.: domain name does not exist [0] 16.182.122.168.in-addr.arpa.: domain name does not exist [0] 17.182.122.168.in-addr.arpa.: domain name does not exist [0] 18.182.122.168.in-addr.arpa.: domain name does not exist [0] 19.182.122.168.in-addr.arpa.: domain name does not exist [0] 20.182.122.168.in-addr.arpa.: domain name does not exist [0] 21.182.122.168.in-addr.arpa.: domain name does not exist [0] 22.182.122.168.in-addr.arpa.: domain name does not exist [0] 23.182.122.168.in-addr.arpa.: domain name does not exist [0] 24.182.122.168.in-addr.arpa.: domain name does not exist [0] 25.182.122.168.in-addr.arpa.: domain name does not exist [0] 26.182.122.168.in-addr.arpa.: domain name does not exist [0] 27.182.122.168.in-addr.arpa.: domain name does not exist [0] 28.182.122.168.in-addr.arpa.: domain name does not exist [0] 29.182.122.168.in-addr.arpa.: domain name does not exist [0] 30.182.122.168.in-addr.arpa.: domain name does not exist [0] 31.182.122.168.in-addr.arpa.: domain name does not exist [0] 32.182.122.168.in-addr.arpa.: domain name does not exist [0] 33.182.122.168.in-addr.arpa.: domain name does not exist [0] 34.182.122.168.in-addr.arpa.: domain name does not exist [0] 35.182.122.168.in-addr.arpa.: domain name does not exist [0] 36.182.122.168.in-addr.arpa.: domain name does not exist [0] 37.182.122.168.in-addr.arpa.: domain name does not exist [0] 38.182.122.168.in-addr.arpa.: domain name does not exist [0] 39.182.122.168.in-addr.arpa.: domain name does not exist [0] 40.182.122.168.in-addr.arpa.: domain name does not exist [0] 41.182.122.168.in-addr.arpa.: domain name does not exist [0] 42.182.122.168.in-addr.arpa.: domain name does not exist [0] 43.182.122.168.in-addr.arpa.: domain name does not exist [0] 44.182.122.168.in-addr.arpa.: domain name does not exist [0] 45.182.122.168.in-addr.arpa.: domain name does not exist [0] 46.182.122.168.in-addr.arpa.: domain name does not exist [86400] 47.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp47.bu.edu [86400] 48.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp48.bu.edu [86400] 49.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp49.bu.edu [86400] 50.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp50.bu.edu [86400] 51.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp51.bu.edu [86400] 52.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp52.bu.edu [86400] 53.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp53.bu.edu [86400] 54.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp54.bu.edu [86400] 55.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp55.bu.edu [86400] 56.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp56.bu.edu [86400] 57.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp57.bu.edu [86400] 58.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp58.bu.edu [86400] 59.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp59.bu.edu [86400] 60.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp60.bu.edu [86400] 61.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp61.bu.edu [86400] 62.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp62.bu.edu [86400] 63.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp63.bu.edu [86400] 64.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp64.bu.edu [86400] 65.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp65.bu.edu [86400] 66.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp66.bu.edu [86400] 67.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp67.bu.edu [86400] 68.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp68.bu.edu [86400] 69.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp69.bu.edu [86400] 70.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp70.bu.edu [86400] 71.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp71.bu.edu [86400] 72.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp72.bu.edu [86400] 73.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp73.bu.edu [86400] 74.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp74.bu.edu [86400] 75.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp75.bu.edu [86400] 76.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp76.bu.edu [86400] 77.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp77.bu.edu [86400] 78.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp78.bu.edu [86400] 79.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp79.bu.edu [86400] 80.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp80.bu.edu [86400] 81.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp81.bu.edu [86400] 82.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp82.bu.edu [86400] 83.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp83.bu.edu [86400] 84.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp84.bu.edu [86400] 85.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp85.bu.edu [86400] 86.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp86.bu.edu [86400] 87.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp87.bu.edu [86400] 88.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp88.bu.edu [86400] 89.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp89.bu.edu [86400] 90.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp90.bu.edu [86400] 91.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp91.bu.edu [86400] 92.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp92.bu.edu [86400] 93.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp93.bu.edu [86400] 94.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp94.bu.edu [86400] 95.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp95.bu.edu [86400] 96.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp96.bu.edu [86400] 97.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp97.bu.edu [86400] 98.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp98.bu.edu [86400] 99.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp99.bu.edu [86400] 100.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp100.bu.edu [86400] 101.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp101.bu.edu [86400] 102.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp102.bu.edu [86400] 103.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp103.bu.edu [86400] 104.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp104.bu.edu [86400] 105.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp105.bu.edu [86400] 106.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp106.bu.edu [86400] 107.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp107.bu.edu [86400] 108.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp108.bu.edu [86400] 109.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp109.bu.edu [86400] 110.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp110.bu.edu [86400] 111.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp111.bu.edu [86400] 112.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp112.bu.edu [86400] 113.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp113.bu.edu [86400] 114.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp114.bu.edu [86400] 115.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp115.bu.edu [86400] 116.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp116.bu.edu [86400] 117.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp117.bu.edu [86400] 118.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp118.bu.edu [86400] 119.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp119.bu.edu [86400] 120.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp120.bu.edu [86400] 121.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp121.bu.edu [86400] 122.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp122.bu.edu [86400] 123.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp123.bu.edu [86400] 124.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp124.bu.edu [86400] 125.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp125.bu.edu [86400] 126.182.122.168.in-addr.arpa. domain name pointer comm1019-0401-dhcp126.bu.edu [0] 127.182.122.168.in-addr.arpa.: domain name does not exist [0] 128.182.122.168.in-addr.arpa.: domain name does not exist [86400] 129.182.122.168.in-addr.arpa. domain name pointer comm1019-0501net-gw01.bu.edu [0] 130.182.122.168.in-addr.arpa.: domain name does not exist [0] 131.182.122.168.in-addr.arpa.: domain name does not exist [0] 132.182.122.168.in-addr.arpa.: domain name does not exist [0] 133.182.122.168.in-addr.arpa.: domain name does not exist [0] 134.182.122.168.in-addr.arpa.: domain name does not exist [0] 135.182.122.168.in-addr.arpa.: domain name does not exist [0] 136.182.122.168.in-addr.arpa.: domain name does not exist [0] 137.182.122.168.in-addr.arpa.: domain name does not exist [0] 138.182.122.168.in-addr.arpa.: domain name does not exist [0] 139.182.122.168.in-addr.arpa.: domain name does not exist [0] 140.182.122.168.in-addr.arpa.: domain name does not exist [0] 141.182.122.168.in-addr.arpa.: domain name does not exist [0] 142.182.122.168.in-addr.arpa.: domain name does not exist [0] 143.182.122.168.in-addr.arpa.: domain name does not exist [0] 144.182.122.168.in-addr.arpa.: domain name does not exist [0] 145.182.122.168.in-addr.arpa.: domain name does not exist [0] 146.182.122.168.in-addr.arpa.: domain name does not exist [0] 147.182.122.168.in-addr.arpa.: domain name does not exist [0] 148.182.122.168.in-addr.arpa.: domain name does not exist [0] 149.182.122.168.in-addr.arpa.: domain name does not exist [0] 150.182.122.168.in-addr.arpa.: domain name does not exist [0] 151.182.122.168.in-addr.arpa.: domain name does not exist [0] 152.182.122.168.in-addr.arpa.: domain name does not exist [0] 153.182.122.168.in-addr.arpa.: domain name does not exist [0] 154.182.122.168.in-addr.arpa.: domain name does not exist [0] 155.182.122.168.in-addr.arpa.: domain name does not exist [0] 156.182.122.168.in-addr.arpa.: domain name does not exist [0] 157.182.122.168.in-addr.arpa.: domain name does not exist [0] 158.182.122.168.in-addr.arpa.: domain name does not exist [0] 159.182.122.168.in-addr.arpa.: domain name does not exist [0] 160.182.122.168.in-addr.arpa.: domain name does not exist [0] 161.182.122.168.in-addr.arpa.: domain name does not exist [0] 162.182.122.168.in-addr.arpa.: domain name does not exist [0] 163.182.122.168.in-addr.arpa.: domain name does not exist [0] 164.182.122.168.in-addr.arpa.: domain name does not exist [0] 165.182.122.168.in-addr.arpa.: domain name does not exist [0] 166.182.122.168.in-addr.arpa.: domain name does not exist [0] 167.182.122.168.in-addr.arpa.: domain name does not exist [0] 168.182.122.168.in-addr.arpa.: domain name does not exist [0] 169.182.122.168.in-addr.arpa.: domain name does not exist [0] 170.182.122.168.in-addr.arpa.: domain name does not exist [0] 171.182.122.168.in-addr.arpa.: domain name does not exist [0] 172.182.122.168.in-addr.arpa.: domain name does not exist [0] 173.182.122.168.in-addr.arpa.: domain name does not exist [0] 174.182.122.168.in-addr.arpa.: domain name does not exist [86400] 175.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp175.bu.edu [86400] 176.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp176.bu.edu [86400] 177.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp177.bu.edu [86400] 178.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp178.bu.edu [86400] 179.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp179.bu.edu [86400] 180.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp180.bu.edu [86400] 181.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp181.bu.edu [86400] 182.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp182.bu.edu [86400] 183.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp183.bu.edu [86400] 184.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp184.bu.edu [86400] 185.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp185.bu.edu [86400] 186.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp186.bu.edu [86400] 187.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp187.bu.edu [86400] 188.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp188.bu.edu [86400] 189.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp189.bu.edu [86400] 190.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp190.bu.edu [86400] 191.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp191.bu.edu [86400] 192.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp192.bu.edu [86400] 193.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp193.bu.edu [86400] 194.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp194.bu.edu [86400] 195.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp195.bu.edu [86400] 196.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp196.bu.edu [86400] 197.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp197.bu.edu [86400] 198.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp198.bu.edu [86400] 199.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp199.bu.edu [86400] 200.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp200.bu.edu [86400] 201.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp201.bu.edu [86400] 202.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp202.bu.edu [86400] 203.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp203.bu.edu [86400] 204.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp204.bu.edu [86400] 205.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp205.bu.edu [86400] 206.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp206.bu.edu [86400] 207.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp207.bu.edu [86400] 208.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp208.bu.edu [86400] 209.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp209.bu.edu [86400] 210.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp210.bu.edu [86400] 211.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp211.bu.edu [86400] 212.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp212.bu.edu [86400] 213.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp213.bu.edu [86400] 214.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp214.bu.edu [86400] 215.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp215.bu.edu [86400] 216.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp216.bu.edu [86400] 217.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp217.bu.edu [86400] 218.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp218.bu.edu [86400] 219.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp219.bu.edu [86400] 220.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp220.bu.edu [86400] 221.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp221.bu.edu [86400] 222.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp222.bu.edu [86400] 223.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp223.bu.edu [86400] 224.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp224.bu.edu [86400] 225.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp225.bu.edu [86400] 226.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp226.bu.edu [86400] 227.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp227.bu.edu [86400] 228.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp228.bu.edu [86400] 229.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp229.bu.edu [86400] 230.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp230.bu.edu [86400] 231.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp231.bu.edu [86400] 232.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp232.bu.edu [86400] 233.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp233.bu.edu [86400] 234.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp234.bu.edu [86400] 235.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp235.bu.edu [86400] 236.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp236.bu.edu [86400] 237.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp237.bu.edu [86400] 238.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp238.bu.edu [86400] 239.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp239.bu.edu [86400] 240.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp240.bu.edu [86400] 241.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp241.bu.edu [86400] 242.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp242.bu.edu [86400] 243.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp243.bu.edu [86400] 244.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp244.bu.edu [86400] 245.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp245.bu.edu [86400] 246.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp246.bu.edu [86400] 247.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp247.bu.edu [86400] 248.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp248.bu.edu [86400] 249.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp249.bu.edu [86400] 250.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp250.bu.edu [86400] 251.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp251.bu.edu [86400] 252.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp252.bu.edu [86400] 253.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp253.bu.edu [86400] 254.182.122.168.in-addr.arpa. domain name pointer comm1019-0501-dhcp254.bu.edu [0] 255.182.122.168.in-addr.arpa.: domain name does not exist