[0] 0.216.122.168.in-addr.arpa.: domain name does not exist [86400] 1.216.122.168.in-addr.arpa. domain name pointer babc277-1101net-gw01.bu.edu [0] 2.216.122.168.in-addr.arpa.: domain name does not exist [0] 3.216.122.168.in-addr.arpa.: domain name does not exist [0] 4.216.122.168.in-addr.arpa.: domain name does not exist [0] 5.216.122.168.in-addr.arpa.: domain name does not exist [0] 6.216.122.168.in-addr.arpa.: domain name does not exist [0] 7.216.122.168.in-addr.arpa.: domain name does not exist [0] 8.216.122.168.in-addr.arpa.: domain name does not exist [0] 9.216.122.168.in-addr.arpa.: domain name does not exist [0] 10.216.122.168.in-addr.arpa.: domain name does not exist [86400] 11.216.122.168.in-addr.arpa. domain name pointer babc277-1132es01.bu.edu [86400] 12.216.122.168.in-addr.arpa. domain name pointer babc277-1132es02.bu.edu [86400] 13.216.122.168.in-addr.arpa. domain name pointer babc277-1132es03.bu.edu [86400] 14.216.122.168.in-addr.arpa. domain name pointer babc277-1132es04.bu.edu [0] 15.216.122.168.in-addr.arpa.: domain name does not exist [0] 16.216.122.168.in-addr.arpa.: domain name does not exist [0] 17.216.122.168.in-addr.arpa.: domain name does not exist [0] 18.216.122.168.in-addr.arpa.: domain name does not exist [0] 19.216.122.168.in-addr.arpa.: domain name does not exist [0] 20.216.122.168.in-addr.arpa.: domain name does not exist [0] 21.216.122.168.in-addr.arpa.: domain name does not exist [0] 22.216.122.168.in-addr.arpa.: domain name does not exist [0] 23.216.122.168.in-addr.arpa.: domain name does not exist [0] 24.216.122.168.in-addr.arpa.: domain name does not exist [0] 25.216.122.168.in-addr.arpa.: domain name does not exist [0] 26.216.122.168.in-addr.arpa.: domain name does not exist [0] 27.216.122.168.in-addr.arpa.: domain name does not exist [0] 28.216.122.168.in-addr.arpa.: domain name does not exist [0] 29.216.122.168.in-addr.arpa.: domain name does not exist [0] 30.216.122.168.in-addr.arpa.: domain name does not exist [0] 31.216.122.168.in-addr.arpa.: domain name does not exist [0] 32.216.122.168.in-addr.arpa.: domain name does not exist [0] 33.216.122.168.in-addr.arpa.: domain name does not exist [0] 34.216.122.168.in-addr.arpa.: domain name does not exist [0] 35.216.122.168.in-addr.arpa.: domain name does not exist [0] 36.216.122.168.in-addr.arpa.: domain name does not exist [0] 37.216.122.168.in-addr.arpa.: domain name does not exist [0] 38.216.122.168.in-addr.arpa.: domain name does not exist [0] 39.216.122.168.in-addr.arpa.: domain name does not exist [0] 40.216.122.168.in-addr.arpa.: domain name does not exist [0] 41.216.122.168.in-addr.arpa.: domain name does not exist [0] 42.216.122.168.in-addr.arpa.: domain name does not exist [0] 43.216.122.168.in-addr.arpa.: domain name does not exist [0] 44.216.122.168.in-addr.arpa.: domain name does not exist [0] 45.216.122.168.in-addr.arpa.: domain name does not exist [0] 46.216.122.168.in-addr.arpa.: domain name does not exist [86400] 47.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp47.bu.edu [86400] 48.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp48.bu.edu [86400] 49.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp49.bu.edu [86400] 50.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp50.bu.edu [86400] 51.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp51.bu.edu [86400] 52.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp52.bu.edu [86400] 53.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp53.bu.edu [86400] 54.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp54.bu.edu [86400] 55.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp55.bu.edu [86400] 56.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp56.bu.edu [86400] 57.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp57.bu.edu [86400] 58.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp58.bu.edu [86400] 59.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp59.bu.edu [86400] 60.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp60.bu.edu [86400] 61.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp61.bu.edu [86400] 62.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp62.bu.edu [86400] 63.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp63.bu.edu [86400] 64.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp64.bu.edu [86400] 65.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp65.bu.edu [86400] 66.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp66.bu.edu [86400] 67.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp67.bu.edu [86400] 68.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp68.bu.edu [86400] 69.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp69.bu.edu [86400] 70.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp70.bu.edu [86400] 71.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp71.bu.edu [86400] 72.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp72.bu.edu [86400] 73.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp73.bu.edu [86400] 74.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp74.bu.edu [86400] 75.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp75.bu.edu [86400] 76.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp76.bu.edu [86400] 77.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp77.bu.edu [86400] 78.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp78.bu.edu [86400] 79.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp79.bu.edu [86400] 80.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp80.bu.edu [86400] 81.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp81.bu.edu [86400] 82.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp82.bu.edu [86400] 83.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp83.bu.edu [86400] 84.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp84.bu.edu [86400] 85.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp85.bu.edu [86400] 86.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp86.bu.edu [86400] 87.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp87.bu.edu [86400] 88.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp88.bu.edu [86400] 89.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp89.bu.edu [86400] 90.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp90.bu.edu [86400] 91.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp91.bu.edu [86400] 92.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp92.bu.edu [86400] 93.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp93.bu.edu [86400] 94.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp94.bu.edu [86400] 95.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp95.bu.edu [86400] 96.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp96.bu.edu [86400] 97.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp97.bu.edu [86400] 98.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp98.bu.edu [86400] 99.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp99.bu.edu [86400] 100.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp100.bu.edu [86400] 101.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp101.bu.edu [86400] 102.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp102.bu.edu [86400] 103.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp103.bu.edu [86400] 104.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp104.bu.edu [86400] 105.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp105.bu.edu [86400] 106.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp106.bu.edu [86400] 107.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp107.bu.edu [86400] 108.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp108.bu.edu [86400] 109.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp109.bu.edu [86400] 110.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp110.bu.edu [86400] 111.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp111.bu.edu [86400] 112.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp112.bu.edu [86400] 113.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp113.bu.edu [86400] 114.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp114.bu.edu [86400] 115.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp115.bu.edu [86400] 116.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp116.bu.edu [86400] 117.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp117.bu.edu [86400] 118.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp118.bu.edu [86400] 119.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp119.bu.edu [86400] 120.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp120.bu.edu [86400] 121.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp121.bu.edu [86400] 122.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp122.bu.edu [86400] 123.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp123.bu.edu [86400] 124.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp124.bu.edu [86400] 125.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp125.bu.edu [86400] 126.216.122.168.in-addr.arpa. domain name pointer babc277-1101-dhcp126.bu.edu [0] 127.216.122.168.in-addr.arpa.: domain name does not exist [0] 128.216.122.168.in-addr.arpa.: domain name does not exist [86400] 129.216.122.168.in-addr.arpa. domain name pointer babc277-1301net-gw01.bu.edu [0] 130.216.122.168.in-addr.arpa.: domain name does not exist [0] 131.216.122.168.in-addr.arpa.: domain name does not exist [0] 132.216.122.168.in-addr.arpa.: domain name does not exist [0] 133.216.122.168.in-addr.arpa.: domain name does not exist [0] 134.216.122.168.in-addr.arpa.: domain name does not exist [0] 135.216.122.168.in-addr.arpa.: domain name does not exist [0] 136.216.122.168.in-addr.arpa.: domain name does not exist [0] 137.216.122.168.in-addr.arpa.: domain name does not exist [0] 138.216.122.168.in-addr.arpa.: domain name does not exist [0] 139.216.122.168.in-addr.arpa.: domain name does not exist [86400] 140.216.122.168.in-addr.arpa. domain name pointer babc277-1332es01.bu.edu [86400] 141.216.122.168.in-addr.arpa. domain name pointer babc277-1332es02.bu.edu [86400] 142.216.122.168.in-addr.arpa. domain name pointer babc277-1332es03.bu.edu [86400] 143.216.122.168.in-addr.arpa. domain name pointer babc277-1332es04.bu.edu [0] 144.216.122.168.in-addr.arpa.: domain name does not exist [0] 145.216.122.168.in-addr.arpa.: domain name does not exist [0] 146.216.122.168.in-addr.arpa.: domain name does not exist [0] 147.216.122.168.in-addr.arpa.: domain name does not exist [0] 148.216.122.168.in-addr.arpa.: domain name does not exist [0] 149.216.122.168.in-addr.arpa.: domain name does not exist [0] 150.216.122.168.in-addr.arpa.: domain name does not exist [0] 151.216.122.168.in-addr.arpa.: domain name does not exist [0] 152.216.122.168.in-addr.arpa.: domain name does not exist [0] 153.216.122.168.in-addr.arpa.: domain name does not exist [0] 154.216.122.168.in-addr.arpa.: domain name does not exist [0] 155.216.122.168.in-addr.arpa.: domain name does not exist [0] 156.216.122.168.in-addr.arpa.: domain name does not exist [0] 157.216.122.168.in-addr.arpa.: domain name does not exist [0] 158.216.122.168.in-addr.arpa.: domain name does not exist [0] 159.216.122.168.in-addr.arpa.: domain name does not exist [0] 160.216.122.168.in-addr.arpa.: domain name does not exist [0] 161.216.122.168.in-addr.arpa.: domain name does not exist [0] 162.216.122.168.in-addr.arpa.: domain name does not exist [0] 163.216.122.168.in-addr.arpa.: domain name does not exist [0] 164.216.122.168.in-addr.arpa.: domain name does not exist [0] 165.216.122.168.in-addr.arpa.: domain name does not exist [0] 166.216.122.168.in-addr.arpa.: domain name does not exist [0] 167.216.122.168.in-addr.arpa.: domain name does not exist [0] 168.216.122.168.in-addr.arpa.: domain name does not exist [0] 169.216.122.168.in-addr.arpa.: domain name does not exist [0] 170.216.122.168.in-addr.arpa.: domain name does not exist [0] 171.216.122.168.in-addr.arpa.: domain name does not exist [0] 172.216.122.168.in-addr.arpa.: domain name does not exist [0] 173.216.122.168.in-addr.arpa.: domain name does not exist [0] 174.216.122.168.in-addr.arpa.: domain name does not exist [86400] 175.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp175.bu.edu [86400] 176.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp176.bu.edu [86400] 177.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp177.bu.edu [86400] 178.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp178.bu.edu [86400] 179.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp179.bu.edu [86400] 180.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp180.bu.edu [86400] 181.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp181.bu.edu [86400] 182.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp182.bu.edu [86400] 183.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp183.bu.edu [86400] 184.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp184.bu.edu [86400] 185.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp185.bu.edu [86400] 186.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp186.bu.edu [86400] 187.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp187.bu.edu [86400] 188.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp188.bu.edu [86400] 189.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp189.bu.edu [86400] 190.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp190.bu.edu [86400] 191.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp191.bu.edu [86400] 192.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp192.bu.edu [86400] 193.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp193.bu.edu [86400] 194.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp194.bu.edu [86400] 195.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp195.bu.edu [86400] 196.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp196.bu.edu [86400] 197.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp197.bu.edu [86400] 198.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp198.bu.edu [86400] 199.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp199.bu.edu [86400] 200.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp200.bu.edu [86400] 201.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp201.bu.edu [86400] 202.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp202.bu.edu [86400] 203.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp203.bu.edu [86400] 204.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp204.bu.edu [86400] 205.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp205.bu.edu [86400] 206.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp206.bu.edu [86400] 207.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp207.bu.edu [86400] 208.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp208.bu.edu [86400] 209.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp209.bu.edu [86400] 210.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp210.bu.edu [86400] 211.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp211.bu.edu [86400] 212.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp212.bu.edu [86400] 213.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp213.bu.edu [86400] 214.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp214.bu.edu [86400] 215.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp215.bu.edu [86400] 216.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp216.bu.edu [86400] 217.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp217.bu.edu [86400] 218.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp218.bu.edu [86400] 219.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp219.bu.edu [86400] 220.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp220.bu.edu [86400] 221.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp221.bu.edu [86400] 222.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp222.bu.edu [86400] 223.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp223.bu.edu [86400] 224.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp224.bu.edu [86400] 225.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp225.bu.edu [86400] 226.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp226.bu.edu [86400] 227.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp227.bu.edu [86400] 228.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp228.bu.edu [86400] 229.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp229.bu.edu [86400] 230.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp230.bu.edu [86400] 231.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp231.bu.edu [86400] 232.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp232.bu.edu [86400] 233.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp233.bu.edu [86400] 234.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp234.bu.edu [86400] 235.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp235.bu.edu [86400] 236.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp236.bu.edu [86400] 237.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp237.bu.edu [86400] 238.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp238.bu.edu [86400] 239.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp239.bu.edu [86400] 240.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp240.bu.edu [86400] 241.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp241.bu.edu [86400] 242.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp242.bu.edu [86400] 243.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp243.bu.edu [86400] 244.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp244.bu.edu [86400] 245.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp245.bu.edu [86400] 246.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp246.bu.edu [86400] 247.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp247.bu.edu [86400] 248.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp248.bu.edu [86400] 249.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp249.bu.edu [86400] 250.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp250.bu.edu [86400] 251.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp251.bu.edu [86400] 252.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp252.bu.edu [86400] 253.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp253.bu.edu [86400] 254.216.122.168.in-addr.arpa. domain name pointer babc277-1301-dhcp254.bu.edu [0] 255.216.122.168.in-addr.arpa.: domain name does not exist