[0] 0.249.39.160.in-addr.arpa.: domain name does not exist
[0] 1.249.39.160.in-addr.arpa.: domain name does not exist
[0] 2.249.39.160.in-addr.arpa.: domain name does not exist
[0] 3.249.39.160.in-addr.arpa.: domain name does not exist
[0] 4.249.39.160.in-addr.arpa.: domain name does not exist
[0] 5.249.39.160.in-addr.arpa.: domain name does not exist
[0] 6.249.39.160.in-addr.arpa.: domain name does not exist
[0] 7.249.39.160.in-addr.arpa.: domain name does not exist
[0] 8.249.39.160.in-addr.arpa.: domain name does not exist
[0] 9.249.39.160.in-addr.arpa.: domain name does not exist
[3600] 10.249.39.160.in-addr.arpa. domain name pointer wat-ap-4-1.net.columbia.edu
[3600] 11.249.39.160.in-addr.arpa. domain name pointer wat-ap-4-2.net.columbia.edu
[3600] 12.249.39.160.in-addr.arpa. domain name pointer wat-ap-6-1.net.columbia.edu
[3600] 13.249.39.160.in-addr.arpa. domain name pointer wat-ap-7-1.net.columbia.edu
[3600] 14.249.39.160.in-addr.arpa. domain name pointer wat-ap-7-2.net.columbia.edu
[0] 15.249.39.160.in-addr.arpa.: domain name does not exist
[3600] 16.249.39.160.in-addr.arpa. domain name pointer wat-test-ap-6-1.net.columbia.edu
[3600] 17.249.39.160.in-addr.arpa. domain name pointer et-ap-2-3.net.columbia.edu
[3600] 18.249.39.160.in-addr.arpa. domain name pointer kraft-ap-3-1.net.columbia.edu
[3600] 19.249.39.160.in-addr.arpa. domain name pointer mud-ap-3-4.net.columbia.edu
[3600] 20.249.39.160.in-addr.arpa. domain name pointer mud-ap-3-3.net.columbia.edu
[3600] 21.249.39.160.in-addr.arpa. domain name pointer iab-ap-4-1.net.columbia.edu
[3600] 22.249.39.160.in-addr.arpa. domain name pointer len-ap-g2-1.net.columbia.edu
[3600] 23.249.39.160.in-addr.arpa. domain name pointer len-ap-l-1.net.columbia.edu
[3600] 24.249.39.160.in-addr.arpa. domain name pointer len-ap-g1-1.net.columbia.edu
[3600] 25.249.39.160.in-addr.arpa. domain name pointer jrn-ap-2-1.net.columbia.edu
[3600] 26.249.39.160.in-addr.arpa. domain name pointer avh-ap-2-13.net.columbia.edu
[3600] 27.249.39.160.in-addr.arpa. domain name pointer iab-ap-2-1.net.columbia.edu
[3600] 28.249.39.160.in-addr.arpa. domain name pointer mud-ap-3-1.net.columbia.edu
[3600] 29.249.39.160.in-addr.arpa. domain name pointer mud-ap-3-2.net.columbia.edu
[3600] 30.249.39.160.in-addr.arpa. domain name pointer uri-ap-2-1.net.columbia.edu
[3600] 31.249.39.160.in-addr.arpa. domain name pointer sch-ap-6-2.net.columbia.edu
[3600] 32.249.39.160.in-addr.arpa. domain name pointer ssw-ap-11-1.net.columbia.edu
[3600] 33.249.39.160.in-addr.arpa. domain name pointer ssw-ap-11-2.net.columbia.edu
[3600] 34.249.39.160.in-addr.arpa. domain name pointer ssw-ap-10-1.net.columbia.edu
[3600] 35.249.39.160.in-addr.arpa. domain name pointer ssw-ap-10-2.net.columbia.edu
[3600] 36.249.39.160.in-addr.arpa. domain name pointer ssw-ap-9-1.net.columbia.edu
[3600] 37.249.39.160.in-addr.arpa. domain name pointer ssw-ap-9-2.net.columbia.edu
[3600] 38.249.39.160.in-addr.arpa. domain name pointer ssw-ap-8-1.net.columbia.edu
[3600] 39.249.39.160.in-addr.arpa. domain name pointer ssw-ap-8-2.net.columbia.edu
[3600] 40.249.39.160.in-addr.arpa. domain name pointer ssw-ap-7-1.net.columbia.edu
[3600] 41.249.39.160.in-addr.arpa. domain name pointer ssw-ap-7-2.net.columbia.edu
[3600] 42.249.39.160.in-addr.arpa. domain name pointer ssw-ap-6-1.net.columbia.edu
[3600] 43.249.39.160.in-addr.arpa. domain name pointer ssw-ap-6-2.net.columbia.edu
[3600] 44.249.39.160.in-addr.arpa. domain name pointer ssw-ap-5-1.net.columbia.edu
[3600] 45.249.39.160.in-addr.arpa. domain name pointer ssw-ap-5-2.net.columbia.edu
[3600] 46.249.39.160.in-addr.arpa. domain name pointer ssw-ap-4-1.net.columbia.edu
[3600] 47.249.39.160.in-addr.arpa. domain name pointer ssw-ap-4-2.net.columbia.edu
[3600] 48.249.39.160.in-addr.arpa. domain name pointer ssw-ap-3-1.net.columbia.edu
[3600] 49.249.39.160.in-addr.arpa. domain name pointer ssw-ap-3-2.net.columbia.edu
[3600] 50.249.39.160.in-addr.arpa. domain name pointer ssw-ap-2-1.net.columbia.edu
[3600] 51.249.39.160.in-addr.arpa. domain name pointer ssw-ap-2-2.net.columbia.edu
[3600] 52.249.39.160.in-addr.arpa. domain name pointer ssw-ap-1-1.net.columbia.edu
[3600] 53.249.39.160.in-addr.arpa. domain name pointer ssw-ap-b-3.net.columbia.edu
[3600] 54.249.39.160.in-addr.arpa. domain name pointer ssw-ap-b-1.net.columbia.edu
[3600] 55.249.39.160.in-addr.arpa. domain name pointer ssw-ap-b-2.net.columbia.edu
[3600] 56.249.39.160.in-addr.arpa. domain name pointer ham-ap-3-3.net.columbia.edu
[3600] 57.249.39.160.in-addr.arpa. domain name pointer uts-ap-3-1.net.columbia.edu
[3600] 58.249.39.160.in-addr.arpa. domain name pointer lew-ap-4-1.net.columbia.edu
[3600] 59.249.39.160.in-addr.arpa. domain name pointer kraft-ap-4-1.net.columbia.edu
[3600] 60.249.39.160.in-addr.arpa. domain name pointer kraft-ap-6-1.net.columbia.edu
[3600] 61.249.39.160.in-addr.arpa. domain name pointer schx-ap-1-1.net.columbia.edu
[3600] 62.249.39.160.in-addr.arpa. domain name pointer ssw-ap-4-3.net.columbia.edu
[3600] 63.249.39.160.in-addr.arpa. domain name pointer ssw-ap-3-3.net.columbia.edu
[3600] 64.249.39.160.in-addr.arpa. domain name pointer mud-ap-6-1.net.columbia.edu
[3600] 65.249.39.160.in-addr.arpa. domain name pointer mud-ap-6-2.net.columbia.edu
[3600] 66.249.39.160.in-addr.arpa. domain name pointer mud-ap-6-3.net.columbia.edu
[3600] 67.249.39.160.in-addr.arpa. domain name pointer fac-ap-b-1.net.columbia.edu
[3600] 68.249.39.160.in-addr.arpa. domain name pointer wat-ap-8-1.net.columbia.edu
[0] 69.249.39.160.in-addr.arpa.: domain name does not exist
[0] 70.249.39.160.in-addr.arpa.: domain name does not exist
[0] 71.249.39.160.in-addr.arpa.: domain name does not exist
[0] 72.249.39.160.in-addr.arpa.: domain name does not exist
[0] 73.249.39.160.in-addr.arpa.: domain name does not exist
[0] 74.249.39.160.in-addr.arpa.: domain name does not exist
[0] 75.249.39.160.in-addr.arpa.: domain name does not exist
[0] 76.249.39.160.in-addr.arpa.: domain name does not exist
[0] 77.249.39.160.in-addr.arpa.: domain name does not exist
[0] 78.249.39.160.in-addr.arpa.: domain name does not exist
[0] 79.249.39.160.in-addr.arpa.: domain name does not exist
[0] 80.249.39.160.in-addr.arpa.: domain name does not exist
[0] 81.249.39.160.in-addr.arpa.: domain name does not exist
[0] 82.249.39.160.in-addr.arpa.: domain name does not exist
[0] 83.249.39.160.in-addr.arpa.: domain name does not exist
[0] 84.249.39.160.in-addr.arpa.: domain name does not exist
[0] 85.249.39.160.in-addr.arpa.: domain name does not exist
[0] 86.249.39.160.in-addr.arpa.: domain name does not exist
[0] 87.249.39.160.in-addr.arpa.: domain name does not exist
[0] 88.249.39.160.in-addr.arpa.: domain name does not exist
[0] 89.249.39.160.in-addr.arpa.: domain name does not exist
[0] 90.249.39.160.in-addr.arpa.: domain name does not exist
[0] 91.249.39.160.in-addr.arpa.: domain name does not exist
[0] 92.249.39.160.in-addr.arpa.: domain name does not exist
[0] 93.249.39.160.in-addr.arpa.: domain name does not exist
[0] 94.249.39.160.in-addr.arpa.: domain name does not exist
[0] 95.249.39.160.in-addr.arpa.: domain name does not exist
[0] 96.249.39.160.in-addr.arpa.: domain name does not exist
[0] 97.249.39.160.in-addr.arpa.: domain name does not exist
[0] 98.249.39.160.in-addr.arpa.: domain name does not exist
[0] 99.249.39.160.in-addr.arpa.: domain name does not exist
[3600] 100.249.39.160.in-addr.arpa. domain name pointer cis-reserve.net.columbia.edu
[0] 101.249.39.160.in-addr.arpa.: domain name does not exist
[0] 102.249.39.160.in-addr.arpa.: domain name does not exist
[0] 103.249.39.160.in-addr.arpa.: domain name does not exist
[0] 104.249.39.160.in-addr.arpa.: domain name does not exist
[0] 105.249.39.160.in-addr.arpa.: domain name does not exist
[0] 106.249.39.160.in-addr.arpa.: domain name does not exist
[0] 107.249.39.160.in-addr.arpa.: domain name does not exist
[0] 108.249.39.160.in-addr.arpa.: domain name does not exist
[0] 109.249.39.160.in-addr.arpa.: domain name does not exist
[0] 110.249.39.160.in-addr.arpa.: domain name does not exist
[0] 111.249.39.160.in-addr.arpa.: domain name does not exist
[0] 112.249.39.160.in-addr.arpa.: domain name does not exist
[0] 113.249.39.160.in-addr.arpa.: domain name does not exist
[0] 114.249.39.160.in-addr.arpa.: domain name does not exist
[0] 115.249.39.160.in-addr.arpa.: domain name does not exist
[0] 116.249.39.160.in-addr.arpa.: domain name does not exist
[0] 117.249.39.160.in-addr.arpa.: domain name does not exist
[0] 118.249.39.160.in-addr.arpa.: domain name does not exist
[0] 119.249.39.160.in-addr.arpa.: domain name does not exist
[0] 120.249.39.160.in-addr.arpa.: domain name does not exist
[0] 121.249.39.160.in-addr.arpa.: domain name does not exist
[0] 122.249.39.160.in-addr.arpa.: domain name does not exist
[0] 123.249.39.160.in-addr.arpa.: domain name does not exist
[0] 124.249.39.160.in-addr.arpa.: domain name does not exist
[0] 125.249.39.160.in-addr.arpa.: domain name does not exist
[0] 126.249.39.160.in-addr.arpa.: domain name does not exist
[0] 127.249.39.160.in-addr.arpa.: domain name does not exist
[0] 128.249.39.160.in-addr.arpa.: domain name does not exist
[0] 129.249.39.160.in-addr.arpa.: domain name does not exist
[0] 130.249.39.160.in-addr.arpa.: domain name does not exist
[0] 131.249.39.160.in-addr.arpa.: domain name does not exist
[0] 132.249.39.160.in-addr.arpa.: domain name does not exist
[0] 133.249.39.160.in-addr.arpa.: domain name does not exist
[0] 134.249.39.160.in-addr.arpa.: domain name does not exist
[0] 135.249.39.160.in-addr.arpa.: domain name does not exist
[0] 136.249.39.160.in-addr.arpa.: domain name does not exist
[0] 137.249.39.160.in-addr.arpa.: domain name does not exist
[0] 138.249.39.160.in-addr.arpa.: domain name does not exist
[0] 139.249.39.160.in-addr.arpa.: domain name does not exist
[0] 140.249.39.160.in-addr.arpa.: domain name does not exist
[0] 141.249.39.160.in-addr.arpa.: domain name does not exist
[0] 142.249.39.160.in-addr.arpa.: domain name does not exist
[0] 143.249.39.160.in-addr.arpa.: domain name does not exist
[0] 144.249.39.160.in-addr.arpa.: domain name does not exist
[0] 145.249.39.160.in-addr.arpa.: domain name does not exist
[0] 146.249.39.160.in-addr.arpa.: domain name does not exist
[0] 147.249.39.160.in-addr.arpa.: domain name does not exist
[0] 148.249.39.160.in-addr.arpa.: domain name does not exist
[0] 149.249.39.160.in-addr.arpa.: domain name does not exist
[0] 150.249.39.160.in-addr.arpa.: domain name does not exist
[0] 151.249.39.160.in-addr.arpa.: domain name does not exist
[0] 152.249.39.160.in-addr.arpa.: domain name does not exist
[3600] 153.249.39.160.in-addr.arpa. domain name pointer uri-ap-2-2.net.columbia.edu
[3600] 154.249.39.160.in-addr.arpa. domain name pointer schx-ap-1-3.net.columbia.edu
[3600] 155.249.39.160.in-addr.arpa. domain name pointer schx-ap-1-2.net.columbia.edu
[3600] 156.249.39.160.in-addr.arpa. domain name pointer hav309-ap-3-2.net.columbia.edu
[3600] 157.249.39.160.in-addr.arpa. domain name pointer mud-ap-5-3.net.columbia.edu
[3600] 158.249.39.160.in-addr.arpa. domain name pointer mud-ap-5-2.net.columbia.edu
[3600] 159.249.39.160.in-addr.arpa. domain name pointer mud337-ap-3-6.net.columbia.edu
[3600] 160.249.39.160.in-addr.arpa. domain name pointer mud327-ap-3-5.net.columbia.edu
[3600] 161.249.39.160.in-addr.arpa. domain name pointer mud825-ap-8-3.net.columbia.edu
[3600] 162.249.39.160.in-addr.arpa. domain name pointer mud834-ap-8-2.net.columbia.edu
[3600] 163.249.39.160.in-addr.arpa. domain name pointer mud644-ap-6-2.net.columbia.edu
[3600] 164.249.39.160.in-addr.arpa. domain name pointer cha-ap-8-3.net.columbia.edu
[3600] 165.249.39.160.in-addr.arpa. domain name pointer cha-ap-8-2.net.columbia.edu
[3600] 166.249.39.160.in-addr.arpa. domain name pointer cha-ap-8-1.net.columbia.edu
[3600] 167.249.39.160.in-addr.arpa. domain name pointer cha-ap-7-3.net.columbia.edu
[3600] 168.249.39.160.in-addr.arpa. domain name pointer cha-ap-7-2.net.columbia.edu
[3600] 169.249.39.160.in-addr.arpa. domain name pointer cha-ap-7-1.net.columbia.edu
[3600] 170.249.39.160.in-addr.arpa. domain name pointer wat-ap-6-4.net.columbia.edu
[3600] 171.249.39.160.in-addr.arpa. domain name pointer ipc-ssw-wlan.sas.columbia.edu
[3600] 172.249.39.160.in-addr.arpa. domain name pointer cha-ap-6-1.net.columbia.edu
[3600] 173.249.39.160.in-addr.arpa. domain name pointer earl-ap-2-1.net.columbia.edu
[3600] 174.249.39.160.in-addr.arpa. domain name pointer earl-ap-1-2.net.columbia.edu
[3600] 175.249.39.160.in-addr.arpa. domain name pointer earl-ap-1-1.net.columbia.edu
[3600] 176.249.39.160.in-addr.arpa. domain name pointer earl-ap-3-2.net.columbia.edu
[3600] 177.249.39.160.in-addr.arpa. domain name pointer schx-ap-5-1.net.columbia.edu
[3600] 178.249.39.160.in-addr.arpa. domain name pointer sch-ap-2-1.net.columbia.edu
[3600] 179.249.39.160.in-addr.arpa. domain name pointer sch-ap-2-2.net.columbia.edu
[3600] 180.249.39.160.in-addr.arpa. domain name pointer earl-ap-3-1.net.columbia.edu
[3600] 181.249.39.160.in-addr.arpa. domain name pointer lern-ap-7-1.net.columbia.edu
[3600] 182.249.39.160.in-addr.arpa. domain name pointer ital-ap-2-1.net.columbia.edu
[3600] 183.249.39.160.in-addr.arpa. domain name pointer ital-ap-3-1.net.columbia.edu
[3600] 184.249.39.160.in-addr.arpa. domain name pointer jrn-ap-2-2.net.columbia.edu
[3600] 185.249.39.160.in-addr.arpa. domain name pointer jrn-ap-7-3.net.columbia.edu
[3600] 186.249.39.160.in-addr.arpa. domain name pointer jrn-ap-7-2.net.columbia.edu
[3600] 187.249.39.160.in-addr.arpa. domain name pointer jrn-ap-7-1.net.columbia.edu
[3600] 188.249.39.160.in-addr.arpa. domain name pointer iab-ap-14-3.net.columbia.edu
[3600] 189.249.39.160.in-addr.arpa. domain name pointer iab-ap-14-2.net.columbia.edu
[3600] 190.249.39.160.in-addr.arpa. domain name pointer iab-ap-14-1.net.columbia.edu
[3600] 191.249.39.160.in-addr.arpa. domain name pointer iab-ap-13-3.net.columbia.edu
[3600] 192.249.39.160.in-addr.arpa. domain name pointer iab-ap-13-2.net.columbia.edu
[3600] 193.249.39.160.in-addr.arpa. domain name pointer iab-ap-13-1.net.columbia.edu
[3600] 194.249.39.160.in-addr.arpa. domain name pointer iab-ap-12-3.net.columbia.edu
[3600] 195.249.39.160.in-addr.arpa. domain name pointer iab-ap-12-2.net.columbia.edu
[3600] 196.249.39.160.in-addr.arpa. domain name pointer iab-ap-11-3.net.columbia.edu
[3600] 197.249.39.160.in-addr.arpa. domain name pointer iab-ap-11-2.net.columbia.edu
[3600] 198.249.39.160.in-addr.arpa. domain name pointer iab-ap-11-1.net.columbia.edu
[3600] 199.249.39.160.in-addr.arpa. domain name pointer iab-ap-10-3.net.columbia.edu
[3600] 200.249.39.160.in-addr.arpa. domain name pointer iab-ap-10-2.net.columbia.edu
[3600] 201.249.39.160.in-addr.arpa. domain name pointer iab-ap-10-1.net.columbia.edu
[3600] 202.249.39.160.in-addr.arpa. domain name pointer butl-ap-6-10.net.columbia.edu
[3600] 203.249.39.160.in-addr.arpa. domain name pointer butl-ap-6-9.net.columbia.edu
[3600] 204.249.39.160.in-addr.arpa. domain name pointer mat-ap-3-2.net.columbia.edu
[3600] 205.249.39.160.in-addr.arpa. domain name pointer low-ap-3-3.net.columbia.edu
[3600] 206.249.39.160.in-addr.arpa. domain name pointer lew-ap-6-3.net.columbia.edu
[3600] 207.249.39.160.in-addr.arpa. domain name pointer phi-ap-3-2.net.columbia.edu
[3600] 208.249.39.160.in-addr.arpa. domain name pointer avh-ap-7-1.net.columbia.edu
[3600] 209.249.39.160.in-addr.arpa. domain name pointer et-ap-3-6.net.columbia.edu
[3600] 210.249.39.160.in-addr.arpa. domain name pointer lern-ap-1-1.net.columbia.edu
[3600] 211.249.39.160.in-addr.arpa. domain name pointer hav-ap-5-2.net.columbia.edu
[3600] 212.249.39.160.in-addr.arpa. domain name pointer hav-ap-5-1.net.columbia.edu
[3600] 213.249.39.160.in-addr.arpa. domain name pointer lew-ap-6-2.net.columbia.edu
[3600] 214.249.39.160.in-addr.arpa. domain name pointer lew-ap-6-1.net.columbia.edu
[3600] 215.249.39.160.in-addr.arpa. domain name pointer lew-ap-5-2.net.columbia.edu
[3600] 216.249.39.160.in-addr.arpa. domain name pointer lew-ap-5-1.net.columbia.edu
[3600] 217.249.39.160.in-addr.arpa. domain name pointer lew-ap-3-2.net.columbia.edu
[3600] 218.249.39.160.in-addr.arpa. domain name pointer lew-ap-2-3.net.columbia.edu
[3600] 219.249.39.160.in-addr.arpa. domain name pointer lew-ap-2-2.net.columbia.edu
[3600] 220.249.39.160.in-addr.arpa. domain name pointer lew-ap-2-1.net.columbia.edu
[3600] 221.249.39.160.in-addr.arpa. domain name pointer cepsr-ap-8-3.net.columbia.edu
[3600] 222.249.39.160.in-addr.arpa. domain name pointer butl-ap-2-8.net.columbia.edu
[3600] 223.249.39.160.in-addr.arpa. domain name pointer butl-stk-ap-12-1.net.columbia.edu
[3600] 224.249.39.160.in-addr.arpa. domain name pointer butl-ap-6-8.net.columbia.edu
[3600] 225.249.39.160.in-addr.arpa. domain name pointer butl-ap-6-7.net.columbia.edu
[3600] 226.249.39.160.in-addr.arpa. domain name pointer cepsr-ap-8-2.net.columbia.edu
[3600] 227.249.39.160.in-addr.arpa. domain name pointer cepsr-ap-4-2.net.columbia.edu
[3600] 228.249.39.160.in-addr.arpa. domain name pointer bway-ap-14-2.net.columbia.edu
[3600] 229.249.39.160.in-addr.arpa. domain name pointer jj-ap-1-1.net.columbia.edu
[3600] 230.249.39.160.in-addr.arpa. domain name pointer wien-ap-1-2.net.columbia.edu
[3600] 231.249.39.160.in-addr.arpa. domain name pointer wien-ap-1-1.net.columbia.edu
[3600] 232.249.39.160.in-addr.arpa. domain name pointer bway-ap-14-1.net.columbia.edu
[3600] 233.249.39.160.in-addr.arpa. domain name pointer bway-ap-1-1.net.columbia.edu
[3600] 234.249.39.160.in-addr.arpa. domain name pointer shp-ap-17-1.net.columbia.edu
[3600] 235.249.39.160.in-addr.arpa. domain name pointer car-ap-b-1.net.columbia.edu
[3600] 236.249.39.160.in-addr.arpa. domain name pointer butl-ap-1-1.net.columbia.edu
[3600] 237.249.39.160.in-addr.arpa. domain name pointer et-ap-3-5.net.columbia.edu
[3600] 238.249.39.160.in-addr.arpa. domain name pointer pup-ap-10-3.net.columbia.edu
[3600] 239.249.39.160.in-addr.arpa. domain name pointer dod-ap-3-1.net.columbia.edu
[3600] 240.249.39.160.in-addr.arpa. domain name pointer pres-ap-2-1.net.columbia.edu
[3600] 241.249.39.160.in-addr.arpa. domain name pointer pres-ap-1-1.net.columbia.edu
[3600] 242.249.39.160.in-addr.arpa. domain name pointer pres-ap-5-1.net.columbia.edu
[3600] 243.249.39.160.in-addr.arpa. domain name pointer pres-ap-4-4.net.columbia.edu
[3600] 244.249.39.160.in-addr.arpa. domain name pointer pres-ap-4-3.net.columbia.edu
[3600] 245.249.39.160.in-addr.arpa. domain name pointer pres-ap-4-2.net.columbia.edu
[3600] 246.249.39.160.in-addr.arpa. domain name pointer pres-ap-4-1.net.columbia.edu
[3600] 247.249.39.160.in-addr.arpa. domain name pointer pres-ap-3-4.net.columbia.edu
[3600] 248.249.39.160.in-addr.arpa. domain name pointer pres-ap-3-3.net.columbia.edu
[3600] 249.249.39.160.in-addr.arpa. domain name pointer pres-ap-3-2.net.columbia.edu
[3600] 250.249.39.160.in-addr.arpa. domain name pointer pres-ap-3-1.net.columbia.edu
[3600] 251.249.39.160.in-addr.arpa. domain name pointer pres-ap-2-3.net.columbia.edu
[3600] 252.249.39.160.in-addr.arpa. domain name pointer pres-ap-1-4.net.columbia.edu
[3600] 253.249.39.160.in-addr.arpa. domain name pointer pres-ap-1-3.net.columbia.edu
[3600] 254.249.39.160.in-addr.arpa. domain name pointer pres-ap-1-2.net.columbia.edu
[0] 255.249.39.160.in-addr.arpa.: domain name does not exist