[0] 0.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 1.121.68.4.in-addr.arpa. domain name pointer ae-1-51.bbr1.Washington1.Level3.net
[3600] 2.121.68.4.in-addr.arpa. domain name pointer ge-3-0-0-51.gar1.Washington1.Level3.net
[3600] 3.121.68.4.in-addr.arpa. domain name pointer ge-3-0-0-51.gar2.Washington1.Level3.net
[3600] 4.121.68.4.in-addr.arpa. domain name pointer ge-3-0-0-51.gar3.Washington1.Level3.net
[3600] 5.121.68.4.in-addr.arpa. domain name pointer ge-1-1-51.car1.Washington1.Level3.net
[3600] 6.121.68.4.in-addr.arpa. domain name pointer ge-1-1-51.car2.Washington1.Level3.net
[3600] 7.121.68.4.in-addr.arpa. domain name pointer ge-7-0.core1.Washington1.Level3.net
[3600] 8.121.68.4.in-addr.arpa. domain name pointer ge-7-0.core1.Washington1.Level3.net
[3600] 9.121.68.4.in-addr.arpa. domain name pointer ge-7-0.hsa1.Washington1.Level3.net
[3600] 10.121.68.4.in-addr.arpa. domain name pointer ge-7-0.hsa2.Washington1.Level3.net
[3600] 11.121.68.4.in-addr.arpa. domain name pointer ge-7-0.ipcolo1.Washington1.Level3.net
[3600] 12.121.68.4.in-addr.arpa. domain name pointer ge-7-0.ipcolo2.Washington1.Level3.net
[3600] 13.121.68.4.in-addr.arpa. domain name pointer ge-5-0.hsa1.Washington2.Level3.net
[3600] 14.121.68.4.in-addr.arpa. domain name pointer ge-1-1-51.car3.Washington1.Level3.net
[3600] 15.121.68.4.in-addr.arpa. domain name pointer ge-1-1-51.car4.Washington1.Level3.net
[3600] 16.121.68.4.in-addr.arpa. domain name pointer vlan51.car3.Washington1.Level3.net
[0] 17.121.68.4.in-addr.arpa.: domain name does not exist
[0] 18.121.68.4.in-addr.arpa.: domain name does not exist
[0] 19.121.68.4.in-addr.arpa.: domain name does not exist
[0] 20.121.68.4.in-addr.arpa.: domain name does not exist
[0] 21.121.68.4.in-addr.arpa.: domain name does not exist
[0] 22.121.68.4.in-addr.arpa.: domain name does not exist
[0] 23.121.68.4.in-addr.arpa.: domain name does not exist
[0] 24.121.68.4.in-addr.arpa.: domain name does not exist
[0] 25.121.68.4.in-addr.arpa.: domain name does not exist
[0] 26.121.68.4.in-addr.arpa.: domain name does not exist
[0] 27.121.68.4.in-addr.arpa.: domain name does not exist
[0] 28.121.68.4.in-addr.arpa.: domain name does not exist
[0] 29.121.68.4.in-addr.arpa.: domain name does not exist
[0] 30.121.68.4.in-addr.arpa.: domain name does not exist
[0] 31.121.68.4.in-addr.arpa.: domain name does not exist
[0] 32.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 33.121.68.4.in-addr.arpa. domain name pointer ae-2-52.bbr2.Washington1.Level3.net
[3600] 34.121.68.4.in-addr.arpa. domain name pointer ge-4-0-0-52.gar1.Washington1.Level3.net
[3600] 35.121.68.4.in-addr.arpa. domain name pointer ge-4-0-0-52.gar2.Washington1.Level3.net
[3600] 36.121.68.4.in-addr.arpa. domain name pointer ge-4-0-0-52.gar3.Washington1.Level3.net
[3600] 37.121.68.4.in-addr.arpa. domain name pointer ge-1-2-52.car1.Washington1.Level3.net
[3600] 38.121.68.4.in-addr.arpa. domain name pointer ge-1-2-52.car2.Washington1.Level3.net
[3600] 39.121.68.4.in-addr.arpa. domain name pointer ge-8-0.core1.Washington1.Level3.net
[3600] 40.121.68.4.in-addr.arpa. domain name pointer ge-8-0.core1.Washington1.Level3.net
[3600] 41.121.68.4.in-addr.arpa. domain name pointer ge-8-0.hsa1.Washington1.Level3.net
[3600] 42.121.68.4.in-addr.arpa. domain name pointer ge-8-0.hsa2.Washington1.Level3.net
[3600] 43.121.68.4.in-addr.arpa. domain name pointer ge-9-0.ipcolo1.Washington1.Level3.net
[3600] 44.121.68.4.in-addr.arpa. domain name pointer ge-9-0.ipcolo2.Washington1.Level3.net
[3600] 45.121.68.4.in-addr.arpa. domain name pointer ge-5-0.hsa2.Washington2.Level3.net
[3600] 46.121.68.4.in-addr.arpa. domain name pointer ge-1-2-52.car3.Washington1.Level3.net
[3600] 47.121.68.4.in-addr.arpa. domain name pointer ge-1-2-52.car4.Washington1.Level3.net
[3600] 48.121.68.4.in-addr.arpa. domain name pointer vlan52.car3.Washington1.Level3.net
[0] 49.121.68.4.in-addr.arpa.: domain name does not exist
[0] 50.121.68.4.in-addr.arpa.: domain name does not exist
[0] 51.121.68.4.in-addr.arpa.: domain name does not exist
[0] 52.121.68.4.in-addr.arpa.: domain name does not exist
[0] 53.121.68.4.in-addr.arpa.: domain name does not exist
[0] 54.121.68.4.in-addr.arpa.: domain name does not exist
[0] 55.121.68.4.in-addr.arpa.: domain name does not exist
[0] 56.121.68.4.in-addr.arpa.: domain name does not exist
[0] 57.121.68.4.in-addr.arpa.: domain name does not exist
[0] 58.121.68.4.in-addr.arpa.: domain name does not exist
[0] 59.121.68.4.in-addr.arpa.: domain name does not exist
[0] 60.121.68.4.in-addr.arpa.: domain name does not exist
[0] 61.121.68.4.in-addr.arpa.: domain name does not exist
[0] 62.121.68.4.in-addr.arpa.: domain name does not exist
[0] 63.121.68.4.in-addr.arpa.: domain name does not exist
[0] 64.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 65.121.68.4.in-addr.arpa. domain name pointer ae-1-53.bbr1.Washington1.Level3.net
[3600] 66.121.68.4.in-addr.arpa. domain name pointer ge-3-0-0-53.gar1.Washington1.Level3.net
[3600] 67.121.68.4.in-addr.arpa. domain name pointer ge-3-0-0-53.gar2.Washington1.Level3.net
[3600] 68.121.68.4.in-addr.arpa. domain name pointer ge-3-0-0-53.gar3.Washington1.Level3.net
[3600] 69.121.68.4.in-addr.arpa. domain name pointer ge-1-1-53.car1.Washington1.Level3.net
[3600] 70.121.68.4.in-addr.arpa. domain name pointer ge-1-1-53.car2.Washington1.Level3.net
[3600] 71.121.68.4.in-addr.arpa. domain name pointer ge-7-1.core1.Washington1.Level3.net
[3600] 72.121.68.4.in-addr.arpa. domain name pointer ge-7-1.core1.Washington1.Level3.net
[3600] 73.121.68.4.in-addr.arpa. domain name pointer ge-7-1.hsa1.Washington1.Level3.net
[3600] 74.121.68.4.in-addr.arpa. domain name pointer ge-7-1.hsa2.Washington1.Level3.net
[3600] 75.121.68.4.in-addr.arpa. domain name pointer ge-7-1.ipcolo1.Washington1.Level3.net
[3600] 76.121.68.4.in-addr.arpa. domain name pointer ge-7-1.ipcolo2.Washington1.Level3.net
[3600] 77.121.68.4.in-addr.arpa. domain name pointer ge-5-1.hsa1.Washington2.Level3.net
[3600] 78.121.68.4.in-addr.arpa. domain name pointer ge-1-1-53.car3.Washington1.Level3.net
[3600] 79.121.68.4.in-addr.arpa. domain name pointer ge-1-1-53.car4.Washington1.Level3.net
[3600] 80.121.68.4.in-addr.arpa. domain name pointer vlan53.car3.Washington1.Level3.net
[0] 81.121.68.4.in-addr.arpa.: domain name does not exist
[0] 82.121.68.4.in-addr.arpa.: domain name does not exist
[0] 83.121.68.4.in-addr.arpa.: domain name does not exist
[0] 84.121.68.4.in-addr.arpa.: domain name does not exist
[0] 85.121.68.4.in-addr.arpa.: domain name does not exist
[0] 86.121.68.4.in-addr.arpa.: domain name does not exist
[0] 87.121.68.4.in-addr.arpa.: domain name does not exist
[0] 88.121.68.4.in-addr.arpa.: domain name does not exist
[0] 89.121.68.4.in-addr.arpa.: domain name does not exist
[0] 90.121.68.4.in-addr.arpa.: domain name does not exist
[0] 91.121.68.4.in-addr.arpa.: domain name does not exist
[0] 92.121.68.4.in-addr.arpa.: domain name does not exist
[0] 93.121.68.4.in-addr.arpa.: domain name does not exist
[0] 94.121.68.4.in-addr.arpa.: domain name does not exist
[0] 95.121.68.4.in-addr.arpa.: domain name does not exist
[0] 96.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 97.121.68.4.in-addr.arpa. domain name pointer ae-2-54.bbr2.Washington1.Level3.net
[3600] 98.121.68.4.in-addr.arpa. domain name pointer ge-4-0-0-54.gar1.Washington1.Level3.net
[3600] 99.121.68.4.in-addr.arpa. domain name pointer ge-4-0-0-54.gar2.Washington1.Level3.net
[3600] 100.121.68.4.in-addr.arpa. domain name pointer ge-4-0-0-54.gar3.Washington1.Level3.net
[3600] 101.121.68.4.in-addr.arpa. domain name pointer ge-1-2-54.car1.Washington1.Level3.net
[3600] 102.121.68.4.in-addr.arpa. domain name pointer ge-1-2-54.car2.Washington1.Level3.net
[3600] 103.121.68.4.in-addr.arpa. domain name pointer ge-8-1.core1.Washington1.Level3.net
[3600] 104.121.68.4.in-addr.arpa. domain name pointer ge-8-1.core1.Washington1.Level3.net
[3600] 105.121.68.4.in-addr.arpa. domain name pointer ge-8-1.hsa1.Washington1.Level3.net
[3600] 106.121.68.4.in-addr.arpa. domain name pointer ge-8-1.hsa2.Washington1.Level3.net
[3600] 107.121.68.4.in-addr.arpa. domain name pointer ge-9-1.ipcolo1.Washington1.Level3.net
[3600] 108.121.68.4.in-addr.arpa. domain name pointer ge-9-1.ipcolo2.Washington1.Level3.net
[3600] 109.121.68.4.in-addr.arpa. domain name pointer ge-5-1.hsa2.Washington2.Level3.net
[3600] 110.121.68.4.in-addr.arpa. domain name pointer ge-1-2-54.car3.Washington1.Level3.net
[3600] 111.121.68.4.in-addr.arpa. domain name pointer ge-2-1-52.car4.Washington1.Level3.net
[3600] 112.121.68.4.in-addr.arpa. domain name pointer vlan54.car3.Washington1.Level3.net
[0] 113.121.68.4.in-addr.arpa.: domain name does not exist
[0] 114.121.68.4.in-addr.arpa.: domain name does not exist
[0] 115.121.68.4.in-addr.arpa.: domain name does not exist
[0] 116.121.68.4.in-addr.arpa.: domain name does not exist
[0] 117.121.68.4.in-addr.arpa.: domain name does not exist
[0] 118.121.68.4.in-addr.arpa.: domain name does not exist
[0] 119.121.68.4.in-addr.arpa.: domain name does not exist
[0] 120.121.68.4.in-addr.arpa.: domain name does not exist
[0] 121.121.68.4.in-addr.arpa.: domain name does not exist
[0] 122.121.68.4.in-addr.arpa.: domain name does not exist
[0] 123.121.68.4.in-addr.arpa.: domain name does not exist
[0] 124.121.68.4.in-addr.arpa.: domain name does not exist
[0] 125.121.68.4.in-addr.arpa.: domain name does not exist
[0] 126.121.68.4.in-addr.arpa.: domain name does not exist
[0] 127.121.68.4.in-addr.arpa.: domain name does not exist
[0] 128.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 129.121.68.4.in-addr.arpa. domain name pointer ae-1-55.bbr1.Washington1.Level3.net
[3600] 130.121.68.4.in-addr.arpa. domain name pointer ge-3-0-0-55.gar1.Washington1.Level3.net
[3600] 131.121.68.4.in-addr.arpa. domain name pointer ge-3-0-0-55.gar2.Washington1.Level3.net
[3600] 132.121.68.4.in-addr.arpa. domain name pointer ge-3-0-0-55.gar3.Washington1.Level3.net
[3600] 133.121.68.4.in-addr.arpa. domain name pointer ge-1-1-55.car1.Washington1.Level3.net
[3600] 134.121.68.4.in-addr.arpa. domain name pointer ge-1-1-55.car2.Washington1.Level3.net
[3600] 135.121.68.4.in-addr.arpa. domain name pointer ge-7-2.core1.Washington1.Level3.net
[3600] 136.121.68.4.in-addr.arpa. domain name pointer ge-7-2.core1.Washington1.Level3.net
[3600] 137.121.68.4.in-addr.arpa. domain name pointer ge-7-2.hsa1.Washington1.Level3.net
[3600] 138.121.68.4.in-addr.arpa. domain name pointer ge-7-2.hsa2.Washington1.Level3.net
[3600] 139.121.68.4.in-addr.arpa. domain name pointer ge-7-2.ipcolo1.Washington1.Level3.net
[3600] 140.121.68.4.in-addr.arpa. domain name pointer ge-7-2.ipcolo2.Washington1.Level3.net
[3600] 141.121.68.4.in-addr.arpa. domain name pointer ge-5-2.hsa1.Washington2.Level3.net
[3600] 142.121.68.4.in-addr.arpa. domain name pointer ge-1-1-55.car3.Washington1.Level3.net
[3600] 143.121.68.4.in-addr.arpa. domain name pointer ge-1-1-55.car4.Washington1.Level3.net
[3600] 144.121.68.4.in-addr.arpa. domain name pointer vlan55.car3.Washington1.Level3.net
[0] 145.121.68.4.in-addr.arpa.: domain name does not exist
[0] 146.121.68.4.in-addr.arpa.: domain name does not exist
[0] 147.121.68.4.in-addr.arpa.: domain name does not exist
[0] 148.121.68.4.in-addr.arpa.: domain name does not exist
[0] 149.121.68.4.in-addr.arpa.: domain name does not exist
[0] 150.121.68.4.in-addr.arpa.: domain name does not exist
[0] 151.121.68.4.in-addr.arpa.: domain name does not exist
[0] 152.121.68.4.in-addr.arpa.: domain name does not exist
[0] 153.121.68.4.in-addr.arpa.: domain name does not exist
[0] 154.121.68.4.in-addr.arpa.: domain name does not exist
[0] 155.121.68.4.in-addr.arpa.: domain name does not exist
[0] 156.121.68.4.in-addr.arpa.: domain name does not exist
[0] 157.121.68.4.in-addr.arpa.: domain name does not exist
[0] 158.121.68.4.in-addr.arpa.: domain name does not exist
[0] 159.121.68.4.in-addr.arpa.: domain name does not exist
[0] 160.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 161.121.68.4.in-addr.arpa. domain name pointer ae-2-56.bbr2.Washington1.Level3.net
[3600] 162.121.68.4.in-addr.arpa. domain name pointer ge-4-0-0-56.gar1.Washington1.Level3.net
[3600] 163.121.68.4.in-addr.arpa. domain name pointer ge-4-0-0-56.gar2.Washington1.Level3.net
[3600] 164.121.68.4.in-addr.arpa. domain name pointer ge-4-0-0-56.gar3.Washington1.Level3.net
[3600] 165.121.68.4.in-addr.arpa. domain name pointer ge-1-2-56.car1.Washington1.Level3.net
[3600] 166.121.68.4.in-addr.arpa. domain name pointer ge-1-2-56.car2.Washington1.Level3.net
[3600] 167.121.68.4.in-addr.arpa. domain name pointer ge-8-2.core1.Washington1.Level3.net
[3600] 168.121.68.4.in-addr.arpa. domain name pointer ge-8-2.core1.Washington1.Level3.net
[3600] 169.121.68.4.in-addr.arpa. domain name pointer ge-8-2.hsa1.Washington1.Level3.net
[3600] 170.121.68.4.in-addr.arpa. domain name pointer ge-8-2.hsa2.Washington1.Level3.net
[3600] 171.121.68.4.in-addr.arpa. domain name pointer ge-9-2.ipcolo1.Washington1.Level3.net
[3600] 172.121.68.4.in-addr.arpa. domain name pointer ge-9-2.ipcolo2.Washington1.Level3.net
[3600] 173.121.68.4.in-addr.arpa. domain name pointer ge-5-2.hsa2.Washington2.Level3.net
[3600] 174.121.68.4.in-addr.arpa. domain name pointer ge-1-2-56.car3.Washington1.Level3.net
[3600] 175.121.68.4.in-addr.arpa. domain name pointer ge-2-1-56.car4.Washington1.Level3.net
[3600] 176.121.68.4.in-addr.arpa. domain name pointer vlan56.car3.Washington1.Level3.net
[0] 177.121.68.4.in-addr.arpa.: domain name does not exist
[0] 178.121.68.4.in-addr.arpa.: domain name does not exist
[0] 179.121.68.4.in-addr.arpa.: domain name does not exist
[0] 180.121.68.4.in-addr.arpa.: domain name does not exist
[0] 181.121.68.4.in-addr.arpa.: domain name does not exist
[0] 182.121.68.4.in-addr.arpa.: domain name does not exist
[0] 183.121.68.4.in-addr.arpa.: domain name does not exist
[0] 184.121.68.4.in-addr.arpa.: domain name does not exist
[0] 185.121.68.4.in-addr.arpa.: domain name does not exist
[0] 186.121.68.4.in-addr.arpa.: domain name does not exist
[0] 187.121.68.4.in-addr.arpa.: domain name does not exist
[0] 188.121.68.4.in-addr.arpa.: domain name does not exist
[0] 189.121.68.4.in-addr.arpa.: domain name does not exist
[0] 190.121.68.4.in-addr.arpa.: domain name does not exist
[0] 191.121.68.4.in-addr.arpa.: domain name does not exist
[0] 192.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 193.121.68.4.in-addr.arpa. domain name pointer so-2-2-0.bbr1.SanJose1.Level3.net
[3600] 194.121.68.4.in-addr.arpa. domain name pointer so-6-0-0.edge2.SanJose1.Level3.net
[0] 195.121.68.4.in-addr.arpa.: domain name does not exist
[0] 196.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 197.121.68.4.in-addr.arpa. domain name pointer so-3-2-0.bbr2.SanJose1.Level3.net
[3600] 198.121.68.4.in-addr.arpa. domain name pointer so-7-0-0.edge2.SanJose1.Level3.net
[0] 199.121.68.4.in-addr.arpa.: domain name does not exist
[0] 200.121.68.4.in-addr.arpa.: domain name does not exist
[0] 201.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 202.121.68.4.in-addr.arpa. domain name pointer so-10-0.hsa1.Newark1.Level3.net
[0] 203.121.68.4.in-addr.arpa.: domain name does not exist
[0] 204.121.68.4.in-addr.arpa.: domain name does not exist
[0] 205.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 206.121.68.4.in-addr.arpa. domain name pointer so-10-0.hsa2.Newark1.Level3.net
[0] 207.121.68.4.in-addr.arpa.: domain name does not exist
[0] 208.121.68.4.in-addr.arpa.: domain name does not exist
[0] 209.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 210.121.68.4.in-addr.arpa. domain name pointer so-11-0.hsa1.Newark1.Level3.net
[0] 211.121.68.4.in-addr.arpa.: domain name does not exist
[0] 212.121.68.4.in-addr.arpa.: domain name does not exist
[0] 213.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 214.121.68.4.in-addr.arpa. domain name pointer so-11-0.hsa2.Newark1.Level3.net
[0] 215.121.68.4.in-addr.arpa.: domain name does not exist
[0] 216.121.68.4.in-addr.arpa.: domain name does not exist
[0] 217.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 218.121.68.4.in-addr.arpa. domain name pointer ge-6-0-0.gar1.Newark1.Level3.net
[0] 219.121.68.4.in-addr.arpa.: domain name does not exist
[0] 220.121.68.4.in-addr.arpa.: domain name does not exist
[0] 221.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 222.121.68.4.in-addr.arpa. domain name pointer ge-7-0-0.gar1.Newark1.Level3.net
[0] 223.121.68.4.in-addr.arpa.: domain name does not exist
[0] 224.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 225.121.68.4.in-addr.arpa. domain name pointer so-2-3-0.bbr1.SanJose1.Level3.net
[3600] 226.121.68.4.in-addr.arpa. domain name pointer so-13-0.hsa3.SanJose1.Level3.net
[0] 227.121.68.4.in-addr.arpa.: domain name does not exist
[0] 228.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 229.121.68.4.in-addr.arpa. domain name pointer so-12-0.hsa3.SanJose1.Level3.net
[3600] 230.121.68.4.in-addr.arpa. domain name pointer so-12-0.hsa4.SanJose1.Level3.net
[0] 231.121.68.4.in-addr.arpa.: domain name does not exist
[0] 232.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 233.121.68.4.in-addr.arpa. domain name pointer so-2-3-0.bbr2.SanJose1.Level3.net
[3600] 234.121.68.4.in-addr.arpa. domain name pointer so-13-0.hsa4.SanJose1.Level3.net
[0] 235.121.68.4.in-addr.arpa.: domain name does not exist
[0] 236.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 237.121.68.4.in-addr.arpa. domain name pointer so-5-0-0.bbr1.Washington1.Level3.net
[3600] 238.121.68.4.in-addr.arpa. domain name pointer so-48-u3-0-1.mac1.Washington1.Level3.net
[0] 239.121.68.4.in-addr.arpa.: domain name does not exist
[0] 240.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 241.121.68.4.in-addr.arpa. domain name pointer so-6-0-0.bbr2.Washington1.Level3.net
[3600] 242.121.68.4.in-addr.arpa. domain name pointer so-48-u3-1-1.mac1.Washington1.Level3.net
[0] 243.121.68.4.in-addr.arpa.: domain name does not exist
[0] 244.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 245.121.68.4.in-addr.arpa. domain name pointer so-4-1-0.bbr1.Washington1.Level3.net
[3600] 246.121.68.4.in-addr.arpa. domain name pointer so-48-u3-1-1.mac2.Washington1.Level3.net
[0] 247.121.68.4.in-addr.arpa.: domain name does not exist
[0] 248.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 249.121.68.4.in-addr.arpa. domain name pointer so-5-0-0.bbr2.Washington1.Level3.net
[3600] 250.121.68.4.in-addr.arpa. domain name pointer so-48-u3-0-1.mac2.Washington1.Level3.net
[0] 251.121.68.4.in-addr.arpa.: domain name does not exist
[0] 252.121.68.4.in-addr.arpa.: domain name does not exist
[3600] 253.121.68.4.in-addr.arpa. domain name pointer so-5-2-0.mp1.Seattle1.Level3.net
[3600] 254.121.68.4.in-addr.arpa. domain name pointer so-48-u3-0-1.mac1.Seattle1.Level3.net
[0] 255.121.68.4.in-addr.arpa.: domain name does not exist