[0] 0.53.39.160.in-addr.arpa.: domain name does not exist
[0] 1.53.39.160.in-addr.arpa.: domain name does not exist
[0] 2.53.39.160.in-addr.arpa.: domain name does not exist
[0] 3.53.39.160.in-addr.arpa.: domain name does not exist
[0] 4.53.39.160.in-addr.arpa.: domain name does not exist
[3600] 5.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-5.dyn.columbia.edu
[3600] 6.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-6.dyn.columbia.edu
[3600] 7.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-7.dyn.columbia.edu
[3600] 8.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-8.dyn.columbia.edu
[3600] 9.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-9.dyn.columbia.edu
[3600] 10.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-10.dyn.columbia.edu
[3600] 11.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-11.dyn.columbia.edu
[3600] 12.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-12.dyn.columbia.edu
[3600] 13.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-13.dyn.columbia.edu
[3600] 14.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-14.dyn.columbia.edu
[3600] 15.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-15.dyn.columbia.edu
[3600] 16.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-16.dyn.columbia.edu
[3600] 17.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-17.dyn.columbia.edu
[3600] 18.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-18.dyn.columbia.edu
[3600] 19.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-19.dyn.columbia.edu
[3600] 20.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-20.dyn.columbia.edu
[3600] 21.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-21.dyn.columbia.edu
[3600] 22.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-22.dyn.columbia.edu
[3600] 23.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-23.dyn.columbia.edu
[3600] 24.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-24.dyn.columbia.edu
[3600] 25.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-25.dyn.columbia.edu
[3600] 26.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-26.dyn.columbia.edu
[3600] 27.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-27.dyn.columbia.edu
[3600] 28.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-28.dyn.columbia.edu
[3600] 29.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-29.dyn.columbia.edu
[3600] 30.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-30.dyn.columbia.edu
[3600] 31.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-31.dyn.columbia.edu
[3600] 32.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-32.dyn.columbia.edu
[3600] 33.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-33.dyn.columbia.edu
[3600] 34.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-34.dyn.columbia.edu
[3600] 35.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-35.dyn.columbia.edu
[3600] 36.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-36.dyn.columbia.edu
[3600] 37.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-37.dyn.columbia.edu
[3600] 38.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-38.dyn.columbia.edu
[3600] 39.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-39.dyn.columbia.edu
[3600] 40.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-40.dyn.columbia.edu
[3600] 41.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-41.dyn.columbia.edu
[3600] 42.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-42.dyn.columbia.edu
[3600] 43.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-43.dyn.columbia.edu
[3600] 44.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-44.dyn.columbia.edu
[3600] 45.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-45.dyn.columbia.edu
[3600] 46.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-46.dyn.columbia.edu
[3600] 47.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-47.dyn.columbia.edu
[3600] 48.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-48.dyn.columbia.edu
[3600] 49.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-49.dyn.columbia.edu
[3600] 50.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-50.dyn.columbia.edu
[3600] 51.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-51.dyn.columbia.edu
[3600] 52.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-52.dyn.columbia.edu
[3600] 53.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-53.dyn.columbia.edu
[3600] 54.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-54.dyn.columbia.edu
[3600] 55.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-55.dyn.columbia.edu
[3600] 56.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-56.dyn.columbia.edu
[3600] 57.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-57.dyn.columbia.edu
[3600] 58.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-58.dyn.columbia.edu
[3600] 59.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-59.dyn.columbia.edu
[3600] 60.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-60.dyn.columbia.edu
[3600] 61.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-61.dyn.columbia.edu
[3600] 62.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-62.dyn.columbia.edu
[3600] 63.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-63.dyn.columbia.edu
[3600] 64.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-64.dyn.columbia.edu
[3600] 65.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-65.dyn.columbia.edu
[3600] 66.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-66.dyn.columbia.edu
[3600] 67.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-67.dyn.columbia.edu
[3600] 68.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-68.dyn.columbia.edu
[3600] 69.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-69.dyn.columbia.edu
[3600] 70.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-70.dyn.columbia.edu
[3600] 71.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-71.dyn.columbia.edu
[3600] 72.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-72.dyn.columbia.edu
[3600] 73.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-73.dyn.columbia.edu
[3600] 74.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-74.dyn.columbia.edu
[3600] 75.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-75.dyn.columbia.edu
[3600] 76.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-76.dyn.columbia.edu
[3600] 77.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-77.dyn.columbia.edu
[3600] 78.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-78.dyn.columbia.edu
[3600] 79.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-79.dyn.columbia.edu
[3600] 80.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-80.dyn.columbia.edu
[3600] 81.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-81.dyn.columbia.edu
[3600] 82.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-82.dyn.columbia.edu
[3600] 83.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-83.dyn.columbia.edu
[3600] 84.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-84.dyn.columbia.edu
[3600] 85.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-85.dyn.columbia.edu
[3600] 86.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-86.dyn.columbia.edu
[3600] 87.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-87.dyn.columbia.edu
[3600] 88.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-88.dyn.columbia.edu
[3600] 89.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-89.dyn.columbia.edu
[3600] 90.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-90.dyn.columbia.edu
[3600] 91.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-91.dyn.columbia.edu
[3600] 92.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-92.dyn.columbia.edu
[3600] 93.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-93.dyn.columbia.edu
[3600] 94.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-94.dyn.columbia.edu
[3600] 95.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-95.dyn.columbia.edu
[3600] 96.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-96.dyn.columbia.edu
[3600] 97.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-97.dyn.columbia.edu
[3600] 98.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-98.dyn.columbia.edu
[3600] 99.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-99.dyn.columbia.edu
[3600] 100.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-100.dyn.columbia.edu
[3600] 101.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-101.dyn.columbia.edu
[3600] 102.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-102.dyn.columbia.edu
[3600] 103.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-103.dyn.columbia.edu
[3600] 104.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-104.dyn.columbia.edu
[3600] 105.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-105.dyn.columbia.edu
[3600] 106.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-106.dyn.columbia.edu
[3600] 107.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-107.dyn.columbia.edu
[3600] 108.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-108.dyn.columbia.edu
[3600] 109.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-109.dyn.columbia.edu
[3600] 110.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-110.dyn.columbia.edu
[3600] 111.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-111.dyn.columbia.edu
[3600] 112.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-112.dyn.columbia.edu
[3600] 113.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-113.dyn.columbia.edu
[3600] 114.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-114.dyn.columbia.edu
[3600] 115.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-115.dyn.columbia.edu
[3600] 116.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-116.dyn.columbia.edu
[3600] 117.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-117.dyn.columbia.edu
[3600] 118.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-118.dyn.columbia.edu
[3600] 119.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-119.dyn.columbia.edu
[3600] 120.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-120.dyn.columbia.edu
[3600] 121.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-121.dyn.columbia.edu
[3600] 122.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-122.dyn.columbia.edu
[3600] 123.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-123.dyn.columbia.edu
[3600] 124.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-124.dyn.columbia.edu
[3600] 125.53.39.160.in-addr.arpa. domain name pointer dyn-160-39-53-125.dyn.columbia.edu
[0] 126.53.39.160.in-addr.arpa.: domain name does not exist
[0] 127.53.39.160.in-addr.arpa.: domain name does not exist
[0] 128.53.39.160.in-addr.arpa.: domain name does not exist
[3600] 129.53.39.160.in-addr.arpa. domain name pointer law-edge-1-vlan920-1.net.columbia.edu
[0] 130.53.39.160.in-addr.arpa.: domain name does not exist
[0] 131.53.39.160.in-addr.arpa.: domain name does not exist
[0] 132.53.39.160.in-addr.arpa.: domain name does not exist
[0] 133.53.39.160.in-addr.arpa.: domain name does not exist
[0] 134.53.39.160.in-addr.arpa.: domain name does not exist
[0] 135.53.39.160.in-addr.arpa.: domain name does not exist
[0] 136.53.39.160.in-addr.arpa.: domain name does not exist
[0] 137.53.39.160.in-addr.arpa.: domain name does not exist
[0] 138.53.39.160.in-addr.arpa.: domain name does not exist
[0] 139.53.39.160.in-addr.arpa.: domain name does not exist
[0] 140.53.39.160.in-addr.arpa.: domain name does not exist
[0] 141.53.39.160.in-addr.arpa.: domain name does not exist
[0] 142.53.39.160.in-addr.arpa.: domain name does not exist
[0] 143.53.39.160.in-addr.arpa.: domain name does not exist
[0] 144.53.39.160.in-addr.arpa.: domain name does not exist
[0] 145.53.39.160.in-addr.arpa.: domain name does not exist
[0] 146.53.39.160.in-addr.arpa.: domain name does not exist
[0] 147.53.39.160.in-addr.arpa.: domain name does not exist
[0] 148.53.39.160.in-addr.arpa.: domain name does not exist
[0] 149.53.39.160.in-addr.arpa.: domain name does not exist
[0] 150.53.39.160.in-addr.arpa.: domain name does not exist
[0] 151.53.39.160.in-addr.arpa.: domain name does not exist
[0] 152.53.39.160.in-addr.arpa.: domain name does not exist
[0] 153.53.39.160.in-addr.arpa.: domain name does not exist
[0] 154.53.39.160.in-addr.arpa.: domain name does not exist
[0] 155.53.39.160.in-addr.arpa.: domain name does not exist
[0] 156.53.39.160.in-addr.arpa.: domain name does not exist
[0] 157.53.39.160.in-addr.arpa.: domain name does not exist
[0] 158.53.39.160.in-addr.arpa.: domain name does not exist
[0] 159.53.39.160.in-addr.arpa.: domain name does not exist
[0] 160.53.39.160.in-addr.arpa.: domain name does not exist
[0] 161.53.39.160.in-addr.arpa.: domain name does not exist
[0] 162.53.39.160.in-addr.arpa.: domain name does not exist
[0] 163.53.39.160.in-addr.arpa.: domain name does not exist
[0] 164.53.39.160.in-addr.arpa.: domain name does not exist
[0] 165.53.39.160.in-addr.arpa.: domain name does not exist
[0] 166.53.39.160.in-addr.arpa.: domain name does not exist
[0] 167.53.39.160.in-addr.arpa.: domain name does not exist
[0] 168.53.39.160.in-addr.arpa.: domain name does not exist
[0] 169.53.39.160.in-addr.arpa.: domain name does not exist
[0] 170.53.39.160.in-addr.arpa.: domain name does not exist
[0] 171.53.39.160.in-addr.arpa.: domain name does not exist
[0] 172.53.39.160.in-addr.arpa.: domain name does not exist
[0] 173.53.39.160.in-addr.arpa.: domain name does not exist
[0] 174.53.39.160.in-addr.arpa.: domain name does not exist
[0] 175.53.39.160.in-addr.arpa.: domain name does not exist
[0] 176.53.39.160.in-addr.arpa.: domain name does not exist
[0] 177.53.39.160.in-addr.arpa.: domain name does not exist
[0] 178.53.39.160.in-addr.arpa.: domain name does not exist
[0] 179.53.39.160.in-addr.arpa.: domain name does not exist
[0] 180.53.39.160.in-addr.arpa.: domain name does not exist
[0] 181.53.39.160.in-addr.arpa.: domain name does not exist
[0] 182.53.39.160.in-addr.arpa.: domain name does not exist
[0] 183.53.39.160.in-addr.arpa.: domain name does not exist
[0] 184.53.39.160.in-addr.arpa.: domain name does not exist
[0] 185.53.39.160.in-addr.arpa.: domain name does not exist
[0] 186.53.39.160.in-addr.arpa.: domain name does not exist
[0] 187.53.39.160.in-addr.arpa.: domain name does not exist
[0] 188.53.39.160.in-addr.arpa.: domain name does not exist
[0] 189.53.39.160.in-addr.arpa.: domain name does not exist
[0] 190.53.39.160.in-addr.arpa.: domain name does not exist
[0] 191.53.39.160.in-addr.arpa.: domain name does not exist
[3600] 192.53.39.160.in-addr.arpa. domain name pointer ire-404w116-b-1-ups.net.columbia.edu
[3600] 193.53.39.160.in-addr.arpa. domain name pointer ire-404w116-b-1.net.columbia.edu
[3600] 194.53.39.160.in-addr.arpa. domain name pointer ire-435w119-b-1.net.columbia.edu
[3600] 195.53.39.160.in-addr.arpa. domain name pointer ire-435w119-b-2.net.columbia.edu
[3600] 196.53.39.160.in-addr.arpa. domain name pointer ire-434w120-1-1.net.columbia.edu
[3600] 197.53.39.160.in-addr.arpa. domain name pointer ire-434w120-1-2.net.columbia.edu
[3600] 198.53.39.160.in-addr.arpa. domain name pointer ire-419w119-b-1.net.columbia.edu
[3600] 199.53.39.160.in-addr.arpa. domain name pointer ire-419w119-b-3.net.columbia.edu
[3600] 200.53.39.160.in-addr.arpa. domain name pointer ire-414w120-b-1.net.columbia.edu
[3600] 201.53.39.160.in-addr.arpa. domain name pointer ire-435w119-b-1-ups.net.columbia.edu
[3600] 202.53.39.160.in-addr.arpa. domain name pointer ire-414w120-b-1-ups.net.columbia.edu
[3600] 203.53.39.160.in-addr.arpa. domain name pointer ire-434w120-1-1-ups.net.columbia.edu
[3600] 204.53.39.160.in-addr.arpa. domain name pointer ire-419w119-b-1-ups.net.columbia.edu
[3600] 205.53.39.160.in-addr.arpa. domain name pointer ire-90morn-b-2.net.columbia.edu
[3600] 206.53.39.160.in-addr.arpa. domain name pointer ire-90morn-b-2-ups.net.columbia.edu
[3600] 207.53.39.160.in-addr.arpa. domain name pointer ire-405w118-b-1.net.columbia.edu
[3600] 208.53.39.160.in-addr.arpa. domain name pointer ire-415w118-b-1.net.columbia.edu
[3600] 209.53.39.160.in-addr.arpa. domain name pointer ire-417w118-b-1.net.columbia.edu
[3600] 210.53.39.160.in-addr.arpa. domain name pointer ire-419w118-b-1.net.columbia.edu
[3600] 211.53.39.160.in-addr.arpa. domain name pointer ire-421w118-b-1.net.columbia.edu
[3600] 212.53.39.160.in-addr.arpa. domain name pointer ire-423w118-b-1.net.columbia.edu
[3600] 213.53.39.160.in-addr.arpa. domain name pointer ire-424w119-b-1.net.columbia.edu
[3600] 214.53.39.160.in-addr.arpa. domain name pointer ire-405w118-b-1-ups.net.columbia.edu
[3600] 215.53.39.160.in-addr.arpa. domain name pointer ire-415w118-b-1-ups.net.columbia.edu
[3600] 216.53.39.160.in-addr.arpa. domain name pointer ire-417w118-b-1-ups.net.columbia.edu
[3600] 217.53.39.160.in-addr.arpa. domain name pointer ire-419w118-b-1-ups.net.columbia.edu
[3600] 218.53.39.160.in-addr.arpa. domain name pointer ire-421w118-b-1-ups.net.columbia.edu
[3600] 219.53.39.160.in-addr.arpa. domain name pointer ire-423w118-b-1-ups.net.columbia.edu
[3600] 220.53.39.160.in-addr.arpa. domain name pointer ire-424w119-b-1-ups.net.columbia.edu
[3600] 221.53.39.160.in-addr.arpa. domain name pointer ire-401w118-b-1.net.columbia.edu
[3600] 222.53.39.160.in-addr.arpa. domain name pointer ire-100morn-b-1.net.columbia.edu
[3600] 223.53.39.160.in-addr.arpa. domain name pointer ire-100morn-b-1-ups.net.columbia.edu
[3600] 224.53.39.160.in-addr.arpa. domain name pointer ire-430w116-b-2.net.columbia.edu
[3600] 225.53.39.160.in-addr.arpa. domain name pointer ire-430w116-b-2-ups.net.columbia.edu
[3600] 226.53.39.160.in-addr.arpa. domain name pointer ire-438w116-b-1.net.columbia.edu
[3600] 227.53.39.160.in-addr.arpa. domain name pointer ire-400w119-9-1-ups.net.columbia.edu
[3600] 228.53.39.160.in-addr.arpa. domain name pointer ire-400w119-3-1-ups.net.columbia.edu
[3600] 229.53.39.160.in-addr.arpa. domain name pointer ire-400w119-6-1-ups.net.columbia.edu
[3600] 230.53.39.160.in-addr.arpa. domain name pointer ire-400w119-12-1-ups.net.columbia.edu
[3600] 231.53.39.160.in-addr.arpa. domain name pointer ire-400w119-14-1-ups.net.columbia.edu
[3600] 232.53.39.160.in-addr.arpa. domain name pointer ire-400w119-3-1.net.columbia.edu
[3600] 233.53.39.160.in-addr.arpa. domain name pointer ire-400w119-6-1.net.columbia.edu
[3600] 234.53.39.160.in-addr.arpa. domain name pointer ire-400w119-9-1.net.columbia.edu
[3600] 235.53.39.160.in-addr.arpa. domain name pointer ire-400w119-12-1.net.columbia.edu
[3600] 236.53.39.160.in-addr.arpa. domain name pointer ire-400w119-14-1.net.columbia.edu
[3600] 237.53.39.160.in-addr.arpa. domain name pointer ire-400w119-b-2.net.columbia.edu
[3600] 238.53.39.160.in-addr.arpa. domain name pointer ire-438w116-b-1-ups.net.columbia.edu
[0] 239.53.39.160.in-addr.arpa.: domain name does not exist
[0] 240.53.39.160.in-addr.arpa.: domain name does not exist
[0] 241.53.39.160.in-addr.arpa.: domain name does not exist
[0] 242.53.39.160.in-addr.arpa.: domain name does not exist
[0] 243.53.39.160.in-addr.arpa.: domain name does not exist
[0] 244.53.39.160.in-addr.arpa.: domain name does not exist
[0] 245.53.39.160.in-addr.arpa.: domain name does not exist
[0] 246.53.39.160.in-addr.arpa.: domain name does not exist
[0] 247.53.39.160.in-addr.arpa.: domain name does not exist
[0] 248.53.39.160.in-addr.arpa.: domain name does not exist
[0] 249.53.39.160.in-addr.arpa.: domain name does not exist
[0] 250.53.39.160.in-addr.arpa.: domain name does not exist
[0] 251.53.39.160.in-addr.arpa.: domain name does not exist
[0] 252.53.39.160.in-addr.arpa.: domain name does not exist
[0] 253.53.39.160.in-addr.arpa.: domain name does not exist
[0] 254.53.39.160.in-addr.arpa.: domain name does not exist
[0] 255.53.39.160.in-addr.arpa.: domain name does not exist