[0] 0.204.122.168.in-addr.arpa.: domain name does not exist [86400] 1.204.122.168.in-addr.arpa. domain name pointer babc273-0401net-gw01.bu.edu [0] 2.204.122.168.in-addr.arpa.: domain name does not exist [0] 3.204.122.168.in-addr.arpa.: domain name does not exist [0] 4.204.122.168.in-addr.arpa.: domain name does not exist [0] 5.204.122.168.in-addr.arpa.: domain name does not exist [0] 6.204.122.168.in-addr.arpa.: domain name does not exist [0] 7.204.122.168.in-addr.arpa.: domain name does not exist [0] 8.204.122.168.in-addr.arpa.: domain name does not exist [0] 9.204.122.168.in-addr.arpa.: domain name does not exist [0] 10.204.122.168.in-addr.arpa.: domain name does not exist [86400] 11.204.122.168.in-addr.arpa. domain name pointer babc273-432es01.bu.edu [86400] 12.204.122.168.in-addr.arpa. domain name pointer babc273-432es02.bu.edu [86400] 13.204.122.168.in-addr.arpa. domain name pointer babc273-432es03.bu.edu [86400] 14.204.122.168.in-addr.arpa. domain name pointer babc273-432es04.bu.edu [0] 15.204.122.168.in-addr.arpa.: domain name does not exist [0] 16.204.122.168.in-addr.arpa.: domain name does not exist [0] 17.204.122.168.in-addr.arpa.: domain name does not exist [0] 18.204.122.168.in-addr.arpa.: domain name does not exist [0] 19.204.122.168.in-addr.arpa.: domain name does not exist [0] 20.204.122.168.in-addr.arpa.: domain name does not exist [0] 21.204.122.168.in-addr.arpa.: domain name does not exist [0] 22.204.122.168.in-addr.arpa.: domain name does not exist [0] 23.204.122.168.in-addr.arpa.: domain name does not exist [0] 24.204.122.168.in-addr.arpa.: domain name does not exist [0] 25.204.122.168.in-addr.arpa.: domain name does not exist [0] 26.204.122.168.in-addr.arpa.: domain name does not exist [0] 27.204.122.168.in-addr.arpa.: domain name does not exist [0] 28.204.122.168.in-addr.arpa.: domain name does not exist [0] 29.204.122.168.in-addr.arpa.: domain name does not exist [0] 30.204.122.168.in-addr.arpa.: domain name does not exist [0] 31.204.122.168.in-addr.arpa.: domain name does not exist [0] 32.204.122.168.in-addr.arpa.: domain name does not exist [0] 33.204.122.168.in-addr.arpa.: domain name does not exist [0] 34.204.122.168.in-addr.arpa.: domain name does not exist [0] 35.204.122.168.in-addr.arpa.: domain name does not exist [0] 36.204.122.168.in-addr.arpa.: domain name does not exist [0] 37.204.122.168.in-addr.arpa.: domain name does not exist [0] 38.204.122.168.in-addr.arpa.: domain name does not exist [0] 39.204.122.168.in-addr.arpa.: domain name does not exist [0] 40.204.122.168.in-addr.arpa.: domain name does not exist [0] 41.204.122.168.in-addr.arpa.: domain name does not exist [0] 42.204.122.168.in-addr.arpa.: domain name does not exist [0] 43.204.122.168.in-addr.arpa.: domain name does not exist [0] 44.204.122.168.in-addr.arpa.: domain name does not exist [0] 45.204.122.168.in-addr.arpa.: domain name does not exist [0] 46.204.122.168.in-addr.arpa.: domain name does not exist [86400] 47.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp47.bu.edu [86400] 48.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp48.bu.edu [86400] 49.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp49.bu.edu [86400] 50.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp50.bu.edu [86400] 51.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp51.bu.edu [86400] 52.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp52.bu.edu [86400] 53.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp53.bu.edu [86400] 54.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp54.bu.edu [86400] 55.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp55.bu.edu [86400] 56.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp56.bu.edu [86400] 57.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp57.bu.edu [86400] 58.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp58.bu.edu [86400] 59.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp59.bu.edu [86400] 60.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp60.bu.edu [86400] 61.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp61.bu.edu [86400] 62.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp62.bu.edu [86400] 63.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp63.bu.edu [86400] 64.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp64.bu.edu [86400] 65.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp65.bu.edu [86400] 66.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp66.bu.edu [86400] 67.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp67.bu.edu [86400] 68.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp68.bu.edu [86400] 69.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp69.bu.edu [86400] 70.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp70.bu.edu [86400] 71.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp71.bu.edu [86400] 72.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp72.bu.edu [86400] 73.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp73.bu.edu [86400] 74.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp74.bu.edu [86400] 75.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp75.bu.edu [86400] 76.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp76.bu.edu [86400] 77.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp77.bu.edu [86400] 78.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp78.bu.edu [86400] 79.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp79.bu.edu [86400] 80.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp80.bu.edu [86400] 81.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp81.bu.edu [86400] 82.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp82.bu.edu [86400] 83.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp83.bu.edu [86400] 84.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp84.bu.edu [86400] 85.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp85.bu.edu [86400] 86.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp86.bu.edu [86400] 87.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp87.bu.edu [86400] 88.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp88.bu.edu [86400] 89.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp89.bu.edu [86400] 90.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp90.bu.edu [86400] 91.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp91.bu.edu [86400] 92.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp92.bu.edu [86400] 93.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp93.bu.edu [86400] 94.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp94.bu.edu [86400] 95.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp95.bu.edu [86400] 96.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp96.bu.edu [86400] 97.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp97.bu.edu [86400] 98.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp98.bu.edu [86400] 99.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp99.bu.edu [86400] 100.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp100.bu.edu [86400] 101.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp101.bu.edu [86400] 102.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp102.bu.edu [86400] 103.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp103.bu.edu [86400] 104.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp104.bu.edu [86400] 105.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp105.bu.edu [86400] 106.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp106.bu.edu [86400] 107.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp107.bu.edu [86400] 108.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp108.bu.edu [86400] 109.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp109.bu.edu [86400] 110.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp110.bu.edu [86400] 111.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp111.bu.edu [86400] 112.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp112.bu.edu [86400] 113.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp113.bu.edu [86400] 114.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp114.bu.edu [86400] 115.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp115.bu.edu [86400] 116.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp116.bu.edu [86400] 117.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp117.bu.edu [86400] 118.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp118.bu.edu [86400] 119.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp119.bu.edu [86400] 120.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp120.bu.edu [86400] 121.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp121.bu.edu [86400] 122.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp122.bu.edu [86400] 123.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp123.bu.edu [86400] 124.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp124.bu.edu [86400] 125.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp125.bu.edu [86400] 126.204.122.168.in-addr.arpa. domain name pointer babc273-0401-dhcp126.bu.edu [0] 127.204.122.168.in-addr.arpa.: domain name does not exist [0] 128.204.122.168.in-addr.arpa.: domain name does not exist [86400] 129.204.122.168.in-addr.arpa. domain name pointer babc273-0701net-gw01.bu.edu [0] 130.204.122.168.in-addr.arpa.: domain name does not exist [0] 131.204.122.168.in-addr.arpa.: domain name does not exist [0] 132.204.122.168.in-addr.arpa.: domain name does not exist [0] 133.204.122.168.in-addr.arpa.: domain name does not exist [0] 134.204.122.168.in-addr.arpa.: domain name does not exist [0] 135.204.122.168.in-addr.arpa.: domain name does not exist [0] 136.204.122.168.in-addr.arpa.: domain name does not exist [0] 137.204.122.168.in-addr.arpa.: domain name does not exist [0] 138.204.122.168.in-addr.arpa.: domain name does not exist [0] 139.204.122.168.in-addr.arpa.: domain name does not exist [86400] 140.204.122.168.in-addr.arpa. domain name pointer babc273-732es01.bu.edu [86400] 141.204.122.168.in-addr.arpa. domain name pointer babc273-732es02.bu.edu [86400] 142.204.122.168.in-addr.arpa. domain name pointer babc273-732es03.bu.edu [86400] 143.204.122.168.in-addr.arpa. domain name pointer babc273-732es04.bu.edu [0] 144.204.122.168.in-addr.arpa.: domain name does not exist [0] 145.204.122.168.in-addr.arpa.: domain name does not exist [0] 146.204.122.168.in-addr.arpa.: domain name does not exist [0] 147.204.122.168.in-addr.arpa.: domain name does not exist [0] 148.204.122.168.in-addr.arpa.: domain name does not exist [0] 149.204.122.168.in-addr.arpa.: domain name does not exist [0] 150.204.122.168.in-addr.arpa.: domain name does not exist [0] 151.204.122.168.in-addr.arpa.: domain name does not exist [0] 152.204.122.168.in-addr.arpa.: domain name does not exist [0] 153.204.122.168.in-addr.arpa.: domain name does not exist [0] 154.204.122.168.in-addr.arpa.: domain name does not exist [0] 155.204.122.168.in-addr.arpa.: domain name does not exist [0] 156.204.122.168.in-addr.arpa.: domain name does not exist [0] 157.204.122.168.in-addr.arpa.: domain name does not exist [0] 158.204.122.168.in-addr.arpa.: domain name does not exist [0] 159.204.122.168.in-addr.arpa.: domain name does not exist [0] 160.204.122.168.in-addr.arpa.: domain name does not exist [0] 161.204.122.168.in-addr.arpa.: domain name does not exist [0] 162.204.122.168.in-addr.arpa.: domain name does not exist [0] 163.204.122.168.in-addr.arpa.: domain name does not exist [0] 164.204.122.168.in-addr.arpa.: domain name does not exist [0] 165.204.122.168.in-addr.arpa.: domain name does not exist [0] 166.204.122.168.in-addr.arpa.: domain name does not exist [0] 167.204.122.168.in-addr.arpa.: domain name does not exist [0] 168.204.122.168.in-addr.arpa.: domain name does not exist [0] 169.204.122.168.in-addr.arpa.: domain name does not exist [0] 170.204.122.168.in-addr.arpa.: domain name does not exist [0] 171.204.122.168.in-addr.arpa.: domain name does not exist [0] 172.204.122.168.in-addr.arpa.: domain name does not exist [0] 173.204.122.168.in-addr.arpa.: domain name does not exist [0] 174.204.122.168.in-addr.arpa.: domain name does not exist [86400] 175.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp175.bu.edu [86400] 176.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp176.bu.edu [86400] 177.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp177.bu.edu [86400] 178.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp178.bu.edu [86400] 179.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp179.bu.edu [86400] 180.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp180.bu.edu [86400] 181.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp181.bu.edu [86400] 182.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp182.bu.edu [86400] 183.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp183.bu.edu [86400] 184.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp184.bu.edu [86400] 185.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp185.bu.edu [86400] 186.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp186.bu.edu [86400] 187.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp187.bu.edu [86400] 188.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp188.bu.edu [86400] 189.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp189.bu.edu [86400] 190.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp190.bu.edu [86400] 191.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp191.bu.edu [86400] 192.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp192.bu.edu [86400] 193.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp193.bu.edu [86400] 194.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp194.bu.edu [86400] 195.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp195.bu.edu [86400] 196.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp196.bu.edu [86400] 197.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp197.bu.edu [86400] 198.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp198.bu.edu [86400] 199.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp199.bu.edu [86400] 200.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp200.bu.edu [86400] 201.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp201.bu.edu [86400] 202.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp202.bu.edu [86400] 203.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp203.bu.edu [86400] 204.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp204.bu.edu [86400] 205.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp205.bu.edu [86400] 206.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp206.bu.edu [86400] 207.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp207.bu.edu [86400] 208.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp208.bu.edu [86400] 209.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp209.bu.edu [86400] 210.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp210.bu.edu [86400] 211.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp211.bu.edu [86400] 212.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp212.bu.edu [86400] 213.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp213.bu.edu [86400] 214.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp214.bu.edu [86400] 215.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp215.bu.edu [86400] 216.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp216.bu.edu [86400] 217.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp217.bu.edu [86400] 218.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp218.bu.edu [86400] 219.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp219.bu.edu [86400] 220.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp220.bu.edu [86400] 221.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp221.bu.edu [86400] 222.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp222.bu.edu [86400] 223.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp223.bu.edu [86400] 224.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp224.bu.edu [86400] 225.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp225.bu.edu [86400] 226.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp226.bu.edu [86400] 227.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp227.bu.edu [86400] 228.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp228.bu.edu [86400] 229.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp229.bu.edu [86400] 230.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp230.bu.edu [86400] 231.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp231.bu.edu [86400] 232.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp232.bu.edu [86400] 233.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp233.bu.edu [86400] 234.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp234.bu.edu [86400] 235.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp235.bu.edu [86400] 236.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp236.bu.edu [86400] 237.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp237.bu.edu [86400] 238.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp238.bu.edu [86400] 239.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp239.bu.edu [86400] 240.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp240.bu.edu [86400] 241.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp241.bu.edu [86400] 242.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp242.bu.edu [86400] 243.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp243.bu.edu [86400] 244.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp244.bu.edu [86400] 245.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp245.bu.edu [86400] 246.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp246.bu.edu [86400] 247.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp247.bu.edu [86400] 248.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp248.bu.edu [86400] 249.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp249.bu.edu [86400] 250.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp250.bu.edu [86400] 251.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp251.bu.edu [86400] 252.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp252.bu.edu [86400] 253.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp253.bu.edu [86400] 254.204.122.168.in-addr.arpa. domain name pointer babc273-0701-dhcp254.bu.edu [0] 255.204.122.168.in-addr.arpa.: domain name does not exist