[0] 0.238.39.160.in-addr.arpa.: domain name does not exist
[3600] 1.238.39.160.in-addr.arpa. domain name pointer wat-edge-1-vlan838-1.net.columbia.edu
[0] 2.238.39.160.in-addr.arpa.: domain name does not exist
[0] 3.238.39.160.in-addr.arpa.: domain name does not exist
[0] 4.238.39.160.in-addr.arpa.: domain name does not exist
[0] 5.238.39.160.in-addr.arpa.: domain name does not exist
[0] 6.238.39.160.in-addr.arpa.: domain name does not exist
[0] 7.238.39.160.in-addr.arpa.: domain name does not exist
[0] 8.238.39.160.in-addr.arpa.: domain name does not exist
[0] 9.238.39.160.in-addr.arpa.: domain name does not exist
[3600] 10.238.39.160.in-addr.arpa. domain name pointer martino.ire.columbia.edu
[3600] 11.238.39.160.in-addr.arpa. domain name pointer mkerman.ire.columbia.edu
[3600] 12.238.39.160.in-addr.arpa. domain name pointer dean.jrn.columbia.edu
[3600] 13.238.39.160.in-addr.arpa. domain name pointer deansoffice18.college.columbia.edu
[3600] 14.238.39.160.in-addr.arpa. domain name pointer ire-martha-lj2200.ire.columbia.edu
[0] 15.238.39.160.in-addr.arpa.: domain name does not exist
[0] 16.238.39.160.in-addr.arpa.: domain name does not exist
[0] 17.238.39.160.in-addr.arpa.: domain name does not exist
[0] 18.238.39.160.in-addr.arpa.: domain name does not exist
[0] 19.238.39.160.in-addr.arpa.: domain name does not exist
[0] 20.238.39.160.in-addr.arpa.: domain name does not exist
[0] 21.238.39.160.in-addr.arpa.: domain name does not exist
[0] 22.238.39.160.in-addr.arpa.: domain name does not exist
[0] 23.238.39.160.in-addr.arpa.: domain name does not exist
[0] 24.238.39.160.in-addr.arpa.: domain name does not exist
[0] 25.238.39.160.in-addr.arpa.: domain name does not exist
[0] 26.238.39.160.in-addr.arpa.: domain name does not exist
[0] 27.238.39.160.in-addr.arpa.: domain name does not exist
[0] 28.238.39.160.in-addr.arpa.: domain name does not exist
[0] 29.238.39.160.in-addr.arpa.: domain name does not exist
[0] 30.238.39.160.in-addr.arpa.: domain name does not exist
[0] 31.238.39.160.in-addr.arpa.: domain name does not exist
[0] 32.238.39.160.in-addr.arpa.: domain name does not exist
[0] 33.238.39.160.in-addr.arpa.: domain name does not exist
[0] 34.238.39.160.in-addr.arpa.: domain name does not exist
[0] 35.238.39.160.in-addr.arpa.: domain name does not exist
[0] 36.238.39.160.in-addr.arpa.: domain name does not exist
[0] 37.238.39.160.in-addr.arpa.: domain name does not exist
[0] 38.238.39.160.in-addr.arpa.: domain name does not exist
[0] 39.238.39.160.in-addr.arpa.: domain name does not exist
[0] 40.238.39.160.in-addr.arpa.: domain name does not exist
[0] 41.238.39.160.in-addr.arpa.: domain name does not exist
[0] 42.238.39.160.in-addr.arpa.: domain name does not exist
[0] 43.238.39.160.in-addr.arpa.: domain name does not exist
[0] 44.238.39.160.in-addr.arpa.: domain name does not exist
[0] 45.238.39.160.in-addr.arpa.: domain name does not exist
[0] 46.238.39.160.in-addr.arpa.: domain name does not exist
[0] 47.238.39.160.in-addr.arpa.: domain name does not exist
[0] 48.238.39.160.in-addr.arpa.: domain name does not exist
[0] 49.238.39.160.in-addr.arpa.: domain name does not exist
[0] 50.238.39.160.in-addr.arpa.: domain name does not exist
[3600] 51.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-51.dyn.columbia.edu
[3600] 52.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-52.dyn.columbia.edu
[3600] 53.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-53.dyn.columbia.edu
[3600] 54.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-54.dyn.columbia.edu
[3600] 55.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-55.dyn.columbia.edu
[3600] 56.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-56.dyn.columbia.edu
[3600] 57.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-57.dyn.columbia.edu
[3600] 58.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-58.dyn.columbia.edu
[3600] 59.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-59.dyn.columbia.edu
[3600] 60.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-60.dyn.columbia.edu
[3600] 61.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-61.dyn.columbia.edu
[3600] 62.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-62.dyn.columbia.edu
[3600] 63.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-63.dyn.columbia.edu
[3600] 64.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-64.dyn.columbia.edu
[3600] 65.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-65.dyn.columbia.edu
[3600] 66.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-66.dyn.columbia.edu
[3600] 67.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-67.dyn.columbia.edu
[3600] 68.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-68.dyn.columbia.edu
[3600] 69.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-69.dyn.columbia.edu
[3600] 70.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-70.dyn.columbia.edu
[3600] 71.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-71.dyn.columbia.edu
[3600] 72.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-72.dyn.columbia.edu
[3600] 73.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-73.dyn.columbia.edu
[3600] 74.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-74.dyn.columbia.edu
[3600] 75.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-75.dyn.columbia.edu
[3600] 76.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-76.dyn.columbia.edu
[3600] 77.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-77.dyn.columbia.edu
[3600] 78.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-78.dyn.columbia.edu
[3600] 79.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-79.dyn.columbia.edu
[3600] 80.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-80.dyn.columbia.edu
[3600] 81.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-81.dyn.columbia.edu
[3600] 82.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-82.dyn.columbia.edu
[3600] 83.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-83.dyn.columbia.edu
[3600] 84.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-84.dyn.columbia.edu
[3600] 85.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-85.dyn.columbia.edu
[3600] 86.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-86.dyn.columbia.edu
[3600] 87.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-87.dyn.columbia.edu
[3600] 88.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-88.dyn.columbia.edu
[3600] 89.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-89.dyn.columbia.edu
[3600] 90.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-90.dyn.columbia.edu
[3600] 91.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-91.dyn.columbia.edu
[3600] 92.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-92.dyn.columbia.edu
[3600] 93.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-93.dyn.columbia.edu
[3600] 94.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-94.dyn.columbia.edu
[3600] 95.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-95.dyn.columbia.edu
[3600] 96.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-96.dyn.columbia.edu
[3600] 97.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-97.dyn.columbia.edu
[3600] 98.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-98.dyn.columbia.edu
[3600] 99.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-99.dyn.columbia.edu
[3600] 100.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-100.dyn.columbia.edu
[3600] 101.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-101.dyn.columbia.edu
[3600] 102.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-102.dyn.columbia.edu
[3600] 103.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-103.dyn.columbia.edu
[3600] 104.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-104.dyn.columbia.edu
[3600] 105.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-105.dyn.columbia.edu
[3600] 106.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-106.dyn.columbia.edu
[3600] 107.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-107.dyn.columbia.edu
[3600] 108.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-108.dyn.columbia.edu
[3600] 109.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-109.dyn.columbia.edu
[3600] 110.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-110.dyn.columbia.edu
[3600] 111.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-111.dyn.columbia.edu
[3600] 112.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-112.dyn.columbia.edu
[3600] 113.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-113.dyn.columbia.edu
[3600] 114.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-114.dyn.columbia.edu
[3600] 115.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-115.dyn.columbia.edu
[3600] 116.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-116.dyn.columbia.edu
[3600] 117.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-117.dyn.columbia.edu
[3600] 118.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-118.dyn.columbia.edu
[3600] 119.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-119.dyn.columbia.edu
[3600] 120.238.39.160.in-addr.arpa. domain name pointer dyn-ire-238-120.dyn.columbia.edu
[0] 121.238.39.160.in-addr.arpa.: domain name does not exist
[0] 122.238.39.160.in-addr.arpa.: domain name does not exist
[0] 123.238.39.160.in-addr.arpa.: domain name does not exist
[3600] 124.238.39.160.in-addr.arpa. domain name pointer ire-601w115-6-1-ups.net.columbia.edu
[3600] 125.238.39.160.in-addr.arpa. domain name pointer senelson.apt.columbia.edu
[3600] 126.238.39.160.in-addr.arpa. domain name pointer ire-601w115-6-1.net.columbia.edu
[0] 127.238.39.160.in-addr.arpa.: domain name does not exist
[0] 128.238.39.160.in-addr.arpa.: domain name does not exist
[0] 129.238.39.160.in-addr.arpa.: domain name does not exist
[0] 130.238.39.160.in-addr.arpa.: domain name does not exist
[0] 131.238.39.160.in-addr.arpa.: domain name does not exist
[0] 132.238.39.160.in-addr.arpa.: domain name does not exist
[0] 133.238.39.160.in-addr.arpa.: domain name does not exist
[0] 134.238.39.160.in-addr.arpa.: domain name does not exist
[3600] 135.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-135.dyn.columbia.edu
[3600] 136.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-136.dyn.columbia.edu
[3600] 137.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-137.dyn.columbia.edu
[3600] 138.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-138.dyn.columbia.edu
[3600] 139.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-139.dyn.columbia.edu
[3600] 140.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-140.dyn.columbia.edu
[3600] 141.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-141.dyn.columbia.edu
[3600] 142.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-142.dyn.columbia.edu
[3600] 143.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-143.dyn.columbia.edu
[3600] 144.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-144.dyn.columbia.edu
[3600] 145.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-145.dyn.columbia.edu
[3600] 146.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-146.dyn.columbia.edu
[3600] 147.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-147.dyn.columbia.edu
[3600] 148.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-148.dyn.columbia.edu
[3600] 149.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-149.dyn.columbia.edu
[3600] 150.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-150.dyn.columbia.edu
[3600] 151.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-151.dyn.columbia.edu
[3600] 152.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-152.dyn.columbia.edu
[3600] 153.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-153.dyn.columbia.edu
[3600] 154.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-154.dyn.columbia.edu
[3600] 155.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-155.dyn.columbia.edu
[3600] 156.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-156.dyn.columbia.edu
[3600] 157.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-157.dyn.columbia.edu
[3600] 158.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-158.dyn.columbia.edu
[3600] 159.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-159.dyn.columbia.edu
[3600] 160.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-160.dyn.columbia.edu
[3600] 161.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-161.dyn.columbia.edu
[3600] 162.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-162.dyn.columbia.edu
[3600] 163.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-163.dyn.columbia.edu
[3600] 164.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-164.dyn.columbia.edu
[3600] 165.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-165.dyn.columbia.edu
[3600] 166.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-166.dyn.columbia.edu
[3600] 167.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-167.dyn.columbia.edu
[3600] 168.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-168.dyn.columbia.edu
[3600] 169.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-169.dyn.columbia.edu
[3600] 170.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-170.dyn.columbia.edu
[3600] 171.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-171.dyn.columbia.edu
[3600] 172.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-172.dyn.columbia.edu
[3600] 173.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-173.dyn.columbia.edu
[3600] 174.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-174.dyn.columbia.edu
[3600] 175.238.39.160.in-addr.arpa. domain name pointer dyn-160-39-238-175.dyn.columbia.edu
[0] 176.238.39.160.in-addr.arpa.: domain name does not exist
[0] 177.238.39.160.in-addr.arpa.: domain name does not exist
[0] 178.238.39.160.in-addr.arpa.: domain name does not exist
[0] 179.238.39.160.in-addr.arpa.: domain name does not exist
[0] 180.238.39.160.in-addr.arpa.: domain name does not exist
[0] 181.238.39.160.in-addr.arpa.: domain name does not exist
[0] 182.238.39.160.in-addr.arpa.: domain name does not exist
[0] 183.238.39.160.in-addr.arpa.: domain name does not exist
[0] 184.238.39.160.in-addr.arpa.: domain name does not exist
[0] 185.238.39.160.in-addr.arpa.: domain name does not exist
[0] 186.238.39.160.in-addr.arpa.: domain name does not exist
[0] 187.238.39.160.in-addr.arpa.: domain name does not exist
[0] 188.238.39.160.in-addr.arpa.: domain name does not exist
[0] 189.238.39.160.in-addr.arpa.: domain name does not exist
[0] 190.238.39.160.in-addr.arpa.: domain name does not exist
[0] 191.238.39.160.in-addr.arpa.: domain name does not exist
[0] 192.238.39.160.in-addr.arpa.: domain name does not exist
[0] 193.238.39.160.in-addr.arpa.: domain name does not exist
[0] 194.238.39.160.in-addr.arpa.: domain name does not exist
[0] 195.238.39.160.in-addr.arpa.: domain name does not exist
[0] 196.238.39.160.in-addr.arpa.: domain name does not exist
[0] 197.238.39.160.in-addr.arpa.: domain name does not exist
[0] 198.238.39.160.in-addr.arpa.: domain name does not exist
[0] 199.238.39.160.in-addr.arpa.: domain name does not exist
[0] 200.238.39.160.in-addr.arpa.: domain name does not exist
[0] 201.238.39.160.in-addr.arpa.: domain name does not exist
[0] 202.238.39.160.in-addr.arpa.: domain name does not exist
[0] 203.238.39.160.in-addr.arpa.: domain name does not exist
[0] 204.238.39.160.in-addr.arpa.: domain name does not exist
[0] 205.238.39.160.in-addr.arpa.: domain name does not exist
[0] 206.238.39.160.in-addr.arpa.: domain name does not exist
[0] 207.238.39.160.in-addr.arpa.: domain name does not exist
[0] 208.238.39.160.in-addr.arpa.: domain name does not exist
[0] 209.238.39.160.in-addr.arpa.: domain name does not exist
[0] 210.238.39.160.in-addr.arpa.: domain name does not exist
[0] 211.238.39.160.in-addr.arpa.: domain name does not exist
[0] 212.238.39.160.in-addr.arpa.: domain name does not exist
[0] 213.238.39.160.in-addr.arpa.: domain name does not exist
[0] 214.238.39.160.in-addr.arpa.: domain name does not exist
[0] 215.238.39.160.in-addr.arpa.: domain name does not exist
[0] 216.238.39.160.in-addr.arpa.: domain name does not exist
[0] 217.238.39.160.in-addr.arpa.: domain name does not exist
[0] 218.238.39.160.in-addr.arpa.: domain name does not exist
[0] 219.238.39.160.in-addr.arpa.: domain name does not exist
[0] 220.238.39.160.in-addr.arpa.: domain name does not exist
[0] 221.238.39.160.in-addr.arpa.: domain name does not exist
[0] 222.238.39.160.in-addr.arpa.: domain name does not exist
[0] 223.238.39.160.in-addr.arpa.: domain name does not exist
[0] 224.238.39.160.in-addr.arpa.: domain name does not exist
[0] 225.238.39.160.in-addr.arpa.: domain name does not exist
[0] 226.238.39.160.in-addr.arpa.: domain name does not exist
[0] 227.238.39.160.in-addr.arpa.: domain name does not exist
[0] 228.238.39.160.in-addr.arpa.: domain name does not exist
[0] 229.238.39.160.in-addr.arpa.: domain name does not exist
[0] 230.238.39.160.in-addr.arpa.: domain name does not exist
[0] 231.238.39.160.in-addr.arpa.: domain name does not exist
[0] 232.238.39.160.in-addr.arpa.: domain name does not exist
[0] 233.238.39.160.in-addr.arpa.: domain name does not exist
[0] 234.238.39.160.in-addr.arpa.: domain name does not exist
[0] 235.238.39.160.in-addr.arpa.: domain name does not exist
[0] 236.238.39.160.in-addr.arpa.: domain name does not exist
[0] 237.238.39.160.in-addr.arpa.: domain name does not exist
[0] 238.238.39.160.in-addr.arpa.: domain name does not exist
[0] 239.238.39.160.in-addr.arpa.: domain name does not exist
[0] 240.238.39.160.in-addr.arpa.: domain name does not exist
[0] 241.238.39.160.in-addr.arpa.: domain name does not exist
[0] 242.238.39.160.in-addr.arpa.: domain name does not exist
[0] 243.238.39.160.in-addr.arpa.: domain name does not exist
[0] 244.238.39.160.in-addr.arpa.: domain name does not exist
[0] 245.238.39.160.in-addr.arpa.: domain name does not exist
[0] 246.238.39.160.in-addr.arpa.: domain name does not exist
[0] 247.238.39.160.in-addr.arpa.: domain name does not exist
[0] 248.238.39.160.in-addr.arpa.: domain name does not exist
[0] 249.238.39.160.in-addr.arpa.: domain name does not exist
[0] 250.238.39.160.in-addr.arpa.: domain name does not exist
[0] 251.238.39.160.in-addr.arpa.: domain name does not exist
[0] 252.238.39.160.in-addr.arpa.: domain name does not exist
[0] 253.238.39.160.in-addr.arpa.: domain name does not exist
[0] 254.238.39.160.in-addr.arpa.: domain name does not exist
[0] 255.238.39.160.in-addr.arpa.: domain name does not exist