[0] 0.212.39.160.in-addr.arpa.: domain name does not exist
[3600] 1.212.39.160.in-addr.arpa. domain name pointer law-edge-1-vlan813-1.net.columbia.edu
[0] 2.212.39.160.in-addr.arpa.: domain name does not exist
[0] 3.212.39.160.in-addr.arpa.: domain name does not exist
[0] 4.212.39.160.in-addr.arpa.: domain name does not exist
[0] 5.212.39.160.in-addr.arpa.: domain name does not exist
[0] 6.212.39.160.in-addr.arpa.: domain name does not exist
[0] 7.212.39.160.in-addr.arpa.: domain name does not exist
[0] 8.212.39.160.in-addr.arpa.: domain name does not exist
[0] 9.212.39.160.in-addr.arpa.: domain name does not exist
[3600] 10.212.39.160.in-addr.arpa. domain name pointer dp31.gerl.columbia.edu
[3600] 11.212.39.160.in-addr.arpa. domain name pointer dhaus1.gerl.columbia.edu
[3600] 12.212.39.160.in-addr.arpa. domain name pointer dhaus2.gerl.columbia.edu
[3600] 13.212.39.160.in-addr.arpa. domain name pointer ender.ire.columbia.edu
[3600] 14.212.39.160.in-addr.arpa. domain name pointer karavrotos.german.columbia.edu
[3600] 15.212.39.160.in-addr.arpa. domain name pointer b-brandt.gerl.columbia.edu
[3600] 16.212.39.160.in-addr.arpa. domain name pointer b-brandt-printer.gerl.columbia.edu
[3600] 17.212.39.160.in-addr.arpa. domain name pointer revson2.cerc.columbia.edu
[3600] 18.212.39.160.in-addr.arpa. domain name pointer ehh.gerl.columbia.edu
[3600] 19.212.39.160.in-addr.arpa. domain name pointer asda-2.german.columbia.edu
[3600] 20.212.39.160.in-addr.arpa. domain name pointer d5z63q51.ire.columbia.edu
[0] 21.212.39.160.in-addr.arpa.: domain name does not exist
[0] 22.212.39.160.in-addr.arpa.: domain name does not exist
[0] 23.212.39.160.in-addr.arpa.: domain name does not exist
[0] 24.212.39.160.in-addr.arpa.: domain name does not exist
[3600] 25.212.39.160.in-addr.arpa. domain name pointer hang.ire.columbia.edu
[0] 26.212.39.160.in-addr.arpa.: domain name does not exist
[0] 27.212.39.160.in-addr.arpa.: domain name does not exist
[0] 28.212.39.160.in-addr.arpa.: domain name does not exist
[0] 29.212.39.160.in-addr.arpa.: domain name does not exist
[3600] 30.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-30.dyn.columbia.edu
[3600] 31.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-31.dyn.columbia.edu
[3600] 32.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-32.dyn.columbia.edu
[3600] 33.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-33.dyn.columbia.edu
[3600] 34.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-34.dyn.columbia.edu
[3600] 35.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-35.dyn.columbia.edu
[3600] 36.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-36.dyn.columbia.edu
[3600] 37.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-37.dyn.columbia.edu
[3600] 38.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-38.dyn.columbia.edu
[3600] 39.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-39.dyn.columbia.edu
[3600] 40.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-40.dyn.columbia.edu
[3600] 41.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-41.dyn.columbia.edu
[3600] 42.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-42.dyn.columbia.edu
[3600] 43.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-43.dyn.columbia.edu
[3600] 44.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-44.dyn.columbia.edu
[3600] 45.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-45.dyn.columbia.edu
[3600] 46.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-46.dyn.columbia.edu
[3600] 47.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-47.dyn.columbia.edu
[3600] 48.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-48.dyn.columbia.edu
[3600] 49.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-49.dyn.columbia.edu
[3600] 50.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-50.dyn.columbia.edu
[3600] 51.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-51.dyn.columbia.edu
[3600] 52.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-52.dyn.columbia.edu
[3600] 53.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-53.dyn.columbia.edu
[3600] 54.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-54.dyn.columbia.edu
[3600] 55.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-55.dyn.columbia.edu
[3600] 56.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-56.dyn.columbia.edu
[3600] 57.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-57.dyn.columbia.edu
[3600] 58.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-58.dyn.columbia.edu
[3600] 59.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-59.dyn.columbia.edu
[3600] 60.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-60.dyn.columbia.edu
[3600] 61.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-61.dyn.columbia.edu
[3600] 62.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-62.dyn.columbia.edu
[3600] 63.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-63.dyn.columbia.edu
[3600] 64.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-64.dyn.columbia.edu
[3600] 65.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-65.dyn.columbia.edu
[3600] 66.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-66.dyn.columbia.edu
[3600] 67.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-67.dyn.columbia.edu
[3600] 68.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-68.dyn.columbia.edu
[3600] 69.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-69.dyn.columbia.edu
[3600] 70.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-70.dyn.columbia.edu
[3600] 71.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-71.dyn.columbia.edu
[3600] 72.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-72.dyn.columbia.edu
[3600] 73.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-73.dyn.columbia.edu
[3600] 74.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-74.dyn.columbia.edu
[3600] 75.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-75.dyn.columbia.edu
[3600] 76.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-76.dyn.columbia.edu
[3600] 77.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-77.dyn.columbia.edu
[3600] 78.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-78.dyn.columbia.edu
[3600] 79.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-79.dyn.columbia.edu
[3600] 80.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-80.dyn.columbia.edu
[3600] 81.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-81.dyn.columbia.edu
[3600] 82.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-82.dyn.columbia.edu
[3600] 83.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-83.dyn.columbia.edu
[3600] 84.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-84.dyn.columbia.edu
[3600] 85.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-85.dyn.columbia.edu
[3600] 86.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-86.dyn.columbia.edu
[3600] 87.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-87.dyn.columbia.edu
[3600] 88.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-88.dyn.columbia.edu
[3600] 89.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-89.dyn.columbia.edu
[3600] 90.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-90.dyn.columbia.edu
[3600] 91.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-91.dyn.columbia.edu
[3600] 92.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-92.dyn.columbia.edu
[3600] 93.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-93.dyn.columbia.edu
[3600] 94.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-94.dyn.columbia.edu
[3600] 95.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-95.dyn.columbia.edu
[3600] 96.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-96.dyn.columbia.edu
[3600] 97.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-97.dyn.columbia.edu
[3600] 98.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-98.dyn.columbia.edu
[3600] 99.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-99.dyn.columbia.edu
[3600] 100.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-100.dyn.columbia.edu
[3600] 101.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-101.dyn.columbia.edu
[3600] 102.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-102.dyn.columbia.edu
[3600] 103.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-103.dyn.columbia.edu
[3600] 104.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-104.dyn.columbia.edu
[3600] 105.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-105.dyn.columbia.edu
[3600] 106.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-106.dyn.columbia.edu
[3600] 107.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-107.dyn.columbia.edu
[3600] 108.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-108.dyn.columbia.edu
[3600] 109.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-109.dyn.columbia.edu
[3600] 110.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-110.dyn.columbia.edu
[3600] 111.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-111.dyn.columbia.edu
[3600] 112.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-112.dyn.columbia.edu
[3600] 113.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-113.dyn.columbia.edu
[3600] 114.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-114.dyn.columbia.edu
[3600] 115.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-115.dyn.columbia.edu
[3600] 116.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-116.dyn.columbia.edu
[3600] 117.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-117.dyn.columbia.edu
[3600] 118.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-118.dyn.columbia.edu
[3600] 119.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-119.dyn.columbia.edu
[3600] 120.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-120.dyn.columbia.edu
[3600] 121.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-121.dyn.columbia.edu
[3600] 122.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-122.dyn.columbia.edu
[3600] 123.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-123.dyn.columbia.edu
[3600] 124.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-124.dyn.columbia.edu
[3600] 125.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-125.dyn.columbia.edu
[3600] 126.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-126.dyn.columbia.edu
[3600] 127.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-127.dyn.columbia.edu
[3600] 128.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-128.dyn.columbia.edu
[3600] 129.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-129.dyn.columbia.edu
[3600] 130.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-130.dyn.columbia.edu
[3600] 131.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-131.dyn.columbia.edu
[3600] 132.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-132.dyn.columbia.edu
[3600] 133.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-133.dyn.columbia.edu
[3600] 134.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-134.dyn.columbia.edu
[3600] 135.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-135.dyn.columbia.edu
[3600] 136.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-136.dyn.columbia.edu
[3600] 137.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-137.dyn.columbia.edu
[3600] 138.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-138.dyn.columbia.edu
[3600] 139.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-139.dyn.columbia.edu
[3600] 140.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-140.dyn.columbia.edu
[3600] 141.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-141.dyn.columbia.edu
[3600] 142.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-142.dyn.columbia.edu
[3600] 143.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-143.dyn.columbia.edu
[3600] 144.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-144.dyn.columbia.edu
[3600] 145.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-145.dyn.columbia.edu
[3600] 146.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-146.dyn.columbia.edu
[3600] 147.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-147.dyn.columbia.edu
[3600] 148.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-148.dyn.columbia.edu
[3600] 149.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-149.dyn.columbia.edu
[3600] 150.212.39.160.in-addr.arpa. domain name pointer dyn-160-39-212-150.dyn.columbia.edu
[0] 151.212.39.160.in-addr.arpa.: domain name does not exist
[0] 152.212.39.160.in-addr.arpa.: domain name does not exist
[0] 153.212.39.160.in-addr.arpa.: domain name does not exist
[0] 154.212.39.160.in-addr.arpa.: domain name does not exist
[0] 155.212.39.160.in-addr.arpa.: domain name does not exist
[0] 156.212.39.160.in-addr.arpa.: domain name does not exist
[0] 157.212.39.160.in-addr.arpa.: domain name does not exist
[0] 158.212.39.160.in-addr.arpa.: domain name does not exist
[0] 159.212.39.160.in-addr.arpa.: domain name does not exist
[0] 160.212.39.160.in-addr.arpa.: domain name does not exist
[0] 161.212.39.160.in-addr.arpa.: domain name does not exist
[0] 162.212.39.160.in-addr.arpa.: domain name does not exist
[0] 163.212.39.160.in-addr.arpa.: domain name does not exist
[0] 164.212.39.160.in-addr.arpa.: domain name does not exist
[0] 165.212.39.160.in-addr.arpa.: domain name does not exist
[0] 166.212.39.160.in-addr.arpa.: domain name does not exist
[0] 167.212.39.160.in-addr.arpa.: domain name does not exist
[0] 168.212.39.160.in-addr.arpa.: domain name does not exist
[0] 169.212.39.160.in-addr.arpa.: domain name does not exist
[0] 170.212.39.160.in-addr.arpa.: domain name does not exist
[0] 171.212.39.160.in-addr.arpa.: domain name does not exist
[0] 172.212.39.160.in-addr.arpa.: domain name does not exist
[0] 173.212.39.160.in-addr.arpa.: domain name does not exist
[0] 174.212.39.160.in-addr.arpa.: domain name does not exist
[0] 175.212.39.160.in-addr.arpa.: domain name does not exist
[0] 176.212.39.160.in-addr.arpa.: domain name does not exist
[0] 177.212.39.160.in-addr.arpa.: domain name does not exist
[0] 178.212.39.160.in-addr.arpa.: domain name does not exist
[0] 179.212.39.160.in-addr.arpa.: domain name does not exist
[0] 180.212.39.160.in-addr.arpa.: domain name does not exist
[0] 181.212.39.160.in-addr.arpa.: domain name does not exist
[0] 182.212.39.160.in-addr.arpa.: domain name does not exist
[0] 183.212.39.160.in-addr.arpa.: domain name does not exist
[0] 184.212.39.160.in-addr.arpa.: domain name does not exist
[0] 185.212.39.160.in-addr.arpa.: domain name does not exist
[0] 186.212.39.160.in-addr.arpa.: domain name does not exist
[0] 187.212.39.160.in-addr.arpa.: domain name does not exist
[0] 188.212.39.160.in-addr.arpa.: domain name does not exist
[0] 189.212.39.160.in-addr.arpa.: domain name does not exist
[0] 190.212.39.160.in-addr.arpa.: domain name does not exist
[0] 191.212.39.160.in-addr.arpa.: domain name does not exist
[0] 192.212.39.160.in-addr.arpa.: domain name does not exist
[0] 193.212.39.160.in-addr.arpa.: domain name does not exist
[0] 194.212.39.160.in-addr.arpa.: domain name does not exist
[0] 195.212.39.160.in-addr.arpa.: domain name does not exist
[0] 196.212.39.160.in-addr.arpa.: domain name does not exist
[0] 197.212.39.160.in-addr.arpa.: domain name does not exist
[0] 198.212.39.160.in-addr.arpa.: domain name does not exist
[0] 199.212.39.160.in-addr.arpa.: domain name does not exist
[0] 200.212.39.160.in-addr.arpa.: domain name does not exist
[0] 201.212.39.160.in-addr.arpa.: domain name does not exist
[0] 202.212.39.160.in-addr.arpa.: domain name does not exist
[0] 203.212.39.160.in-addr.arpa.: domain name does not exist
[0] 204.212.39.160.in-addr.arpa.: domain name does not exist
[0] 205.212.39.160.in-addr.arpa.: domain name does not exist
[0] 206.212.39.160.in-addr.arpa.: domain name does not exist
[0] 207.212.39.160.in-addr.arpa.: domain name does not exist
[0] 208.212.39.160.in-addr.arpa.: domain name does not exist
[0] 209.212.39.160.in-addr.arpa.: domain name does not exist
[0] 210.212.39.160.in-addr.arpa.: domain name does not exist
[0] 211.212.39.160.in-addr.arpa.: domain name does not exist
[0] 212.212.39.160.in-addr.arpa.: domain name does not exist
[0] 213.212.39.160.in-addr.arpa.: domain name does not exist
[0] 214.212.39.160.in-addr.arpa.: domain name does not exist
[0] 215.212.39.160.in-addr.arpa.: domain name does not exist
[0] 216.212.39.160.in-addr.arpa.: domain name does not exist
[0] 217.212.39.160.in-addr.arpa.: domain name does not exist
[0] 218.212.39.160.in-addr.arpa.: domain name does not exist
[0] 219.212.39.160.in-addr.arpa.: domain name does not exist
[0] 220.212.39.160.in-addr.arpa.: domain name does not exist
[0] 221.212.39.160.in-addr.arpa.: domain name does not exist
[0] 222.212.39.160.in-addr.arpa.: domain name does not exist
[0] 223.212.39.160.in-addr.arpa.: domain name does not exist
[0] 224.212.39.160.in-addr.arpa.: domain name does not exist
[0] 225.212.39.160.in-addr.arpa.: domain name does not exist
[0] 226.212.39.160.in-addr.arpa.: domain name does not exist
[0] 227.212.39.160.in-addr.arpa.: domain name does not exist
[0] 228.212.39.160.in-addr.arpa.: domain name does not exist
[0] 229.212.39.160.in-addr.arpa.: domain name does not exist
[0] 230.212.39.160.in-addr.arpa.: domain name does not exist
[0] 231.212.39.160.in-addr.arpa.: domain name does not exist
[0] 232.212.39.160.in-addr.arpa.: domain name does not exist
[0] 233.212.39.160.in-addr.arpa.: domain name does not exist
[0] 234.212.39.160.in-addr.arpa.: domain name does not exist
[0] 235.212.39.160.in-addr.arpa.: domain name does not exist
[0] 236.212.39.160.in-addr.arpa.: domain name does not exist
[0] 237.212.39.160.in-addr.arpa.: domain name does not exist
[0] 238.212.39.160.in-addr.arpa.: domain name does not exist
[0] 239.212.39.160.in-addr.arpa.: domain name does not exist
[0] 240.212.39.160.in-addr.arpa.: domain name does not exist
[0] 241.212.39.160.in-addr.arpa.: domain name does not exist
[0] 242.212.39.160.in-addr.arpa.: domain name does not exist
[0] 243.212.39.160.in-addr.arpa.: domain name does not exist
[0] 244.212.39.160.in-addr.arpa.: domain name does not exist
[0] 245.212.39.160.in-addr.arpa.: domain name does not exist
[0] 246.212.39.160.in-addr.arpa.: domain name does not exist
[0] 247.212.39.160.in-addr.arpa.: domain name does not exist
[0] 248.212.39.160.in-addr.arpa.: domain name does not exist
[0] 249.212.39.160.in-addr.arpa.: domain name does not exist
[0] 250.212.39.160.in-addr.arpa.: domain name does not exist
[0] 251.212.39.160.in-addr.arpa.: domain name does not exist
[0] 252.212.39.160.in-addr.arpa.: domain name does not exist
[0] 253.212.39.160.in-addr.arpa.: domain name does not exist
[0] 254.212.39.160.in-addr.arpa.: domain name does not exist
[0] 255.212.39.160.in-addr.arpa.: domain name does not exist