[0] 0.192.39.160.in-addr.arpa.: domain name does not exist
[3600] 1.192.39.160.in-addr.arpa. domain name pointer law-edge-1-vlan119-1.net.columbia.edu
[0] 2.192.39.160.in-addr.arpa.: domain name does not exist
[0] 3.192.39.160.in-addr.arpa.: domain name does not exist
[0] 4.192.39.160.in-addr.arpa.: domain name does not exist
[0] 5.192.39.160.in-addr.arpa.: domain name does not exist
[0] 6.192.39.160.in-addr.arpa.: domain name does not exist
[0] 7.192.39.160.in-addr.arpa.: domain name does not exist
[0] 8.192.39.160.in-addr.arpa.: domain name does not exist
[0] 9.192.39.160.in-addr.arpa.: domain name does not exist
[3600] 10.192.39.160.in-addr.arpa. domain name pointer ec10a-ninja.atg.columbia.edu
[3600] 11.192.39.160.in-addr.arpa. domain name pointer ec10a-printer.atg.columbia.edu
[3600] 12.192.39.160.in-addr.arpa. domain name pointer ec10pc01.atg.columbia.edu
[3600] 13.192.39.160.in-addr.arpa. domain name pointer ec10pc02.atg.columbia.edu
[3600] 14.192.39.160.in-addr.arpa. domain name pointer ec10pc03.atg.columbia.edu
[3600] 15.192.39.160.in-addr.arpa. domain name pointer ec10pc04.atg.columbia.edu
[3600] 16.192.39.160.in-addr.arpa. domain name pointer ec200cnet01.atg.columbia.edu
[3600] 17.192.39.160.in-addr.arpa. domain name pointer ec200cnet02.atg.columbia.edu
[3600] 18.192.39.160.in-addr.arpa. domain name pointer ec18pc04.atg.columbia.edu
[3600] 19.192.39.160.in-addr.arpa. domain name pointer ec18pc01.atg.columbia.edu
[3600] 20.192.39.160.in-addr.arpa. domain name pointer ec18pc02.atg.columbia.edu
[3600] 21.192.39.160.in-addr.arpa. domain name pointer ec18pc03.atg.columbia.edu
[3600] 22.192.39.160.in-addr.arpa. domain name pointer ec10pc05.atg.columbia.edu
[3600] 23.192.39.160.in-addr.arpa. domain name pointer ec10pc06.atg.columbia.edu
[3600] 24.192.39.160.in-addr.arpa. domain name pointer ec600cnet02.atg.columbia.edu
[3600] 25.192.39.160.in-addr.arpa. domain name pointer ec-2-1-ups.net.columbia.edu
[3600] 26.192.39.160.in-addr.arpa. domain name pointer kuo.ec.rhno.columbia.edu
[3600] 27.192.39.160.in-addr.arpa. domain name pointer turbonium.ec.rhno.columbia.edu
[3600] 28.192.39.160.in-addr.arpa. domain name pointer marcus.ec.resnet.columbia.edu
[3600] 29.192.39.160.in-addr.arpa. domain name pointer mish.ec.rhno.columbia.edu
[3600] 30.192.39.160.in-addr.arpa. domain name pointer smelzer.ec.rhno.columbia.edu
[3600] 31.192.39.160.in-addr.arpa. domain name pointer elie.ec.rhno.columbia.edu
[3600] 32.192.39.160.in-addr.arpa. domain name pointer berk.ec.rhno.columbia.edu
[3600] 33.192.39.160.in-addr.arpa. domain name pointer yume.ec.rhno.columbia.edu
[3600] 34.192.39.160.in-addr.arpa. domain name pointer stits.ec.rhno.columbia.edu
[3600] 35.192.39.160.in-addr.arpa. domain name pointer mishlap.ec.rhno.columbia.edu
[3600] 36.192.39.160.in-addr.arpa. domain name pointer tarzia.ec.rhno.columbia.edu
[3600] 37.192.39.160.in-addr.arpa. domain name pointer dfox.ec.rhno.columbia.edu
[3600] 38.192.39.160.in-addr.arpa. domain name pointer melchior.ec.resnet.columbia.edu
[3600] 39.192.39.160.in-addr.arpa. domain name pointer xboks.ec.rhno.columbia.edu
[3600] 40.192.39.160.in-addr.arpa. domain name pointer astafas.ec.rhno.columbia.edu
[3600] 41.192.39.160.in-addr.arpa. domain name pointer lh2072.ec.rhno.columbia.edu
[3600] 42.192.39.160.in-addr.arpa. domain name pointer yearbook.osa.columbia.edu
[3600] 43.192.39.160.in-addr.arpa. domain name pointer shinnar8.ec.rhno.columbia.edu
[3600] 44.192.39.160.in-addr.arpa. domain name pointer ec310-f.urh.columbia.edu
[3600] 45.192.39.160.in-addr.arpa. domain name pointer ec310-b.urh.columbia.edu
[3600] 46.192.39.160.in-addr.arpa. domain name pointer helen.urh.columbia.edu
[3600] 47.192.39.160.in-addr.arpa. domain name pointer lazyazz.ec.rhno.columbia.edu
[3600] 48.192.39.160.in-addr.arpa. domain name pointer elie.ec.resnet.columbia.edu
[3600] 49.192.39.160.in-addr.arpa. domain name pointer mookachu.ec.rhno.columbia.edu
[3600] 50.192.39.160.in-addr.arpa. domain name pointer curiousdj.ec.resnet.columbia.edu
[3600] 51.192.39.160.in-addr.arpa. domain name pointer pi.ec.rhno.columbia.edu
[3600] 52.192.39.160.in-addr.arpa. domain name pointer omer9251.ec.rhno.columbia.edu
[3600] 53.192.39.160.in-addr.arpa. domain name pointer jukebox.ec.rhno.columbia.edu
[3600] 54.192.39.160.in-addr.arpa. domain name pointer deepthought.ec.rhno.columbia.edu
[3600] 55.192.39.160.in-addr.arpa. domain name pointer rcctest1.ec.rhno.columbia.edu
[3600] 56.192.39.160.in-addr.arpa. domain name pointer rcctest2.ec.rhno.columbia.edu
[3600] 57.192.39.160.in-addr.arpa. domain name pointer gravity.ec.rhno.columbia.edu
[3600] 58.192.39.160.in-addr.arpa. domain name pointer dougak.ec.rhno.columbia.edu
[3600] 59.192.39.160.in-addr.arpa. domain name pointer ec600cnet01.atg.columbia.edu
[3600] 60.192.39.160.in-addr.arpa. domain name pointer bernard6.ec.rhno.columbia.edu
[3600] 61.192.39.160.in-addr.arpa. domain name pointer seaman.ec.rhno.columbia.edu
[3600] 62.192.39.160.in-addr.arpa. domain name pointer tylor.ec.rhno.columbia.edu
[3600] 63.192.39.160.in-addr.arpa. domain name pointer aurora.ec.rhno.columbia.edu
[3600] 64.192.39.160.in-addr.arpa. domain name pointer blimey.ec.rhno.columbia.edu
[3600] 65.192.39.160.in-addr.arpa. domain name pointer swu.ec.rhno.columbia.edu
[3600] 66.192.39.160.in-addr.arpa. domain name pointer ssaiskk.ec.rhno.columbia.edu
[3600] 67.192.39.160.in-addr.arpa. domain name pointer nikosthenes.ec.rhno.columbia.edu
[3600] 68.192.39.160.in-addr.arpa. domain name pointer pirate.ec.rhno.columbia.edu
[3600] 69.192.39.160.in-addr.arpa. domain name pointer zarathustra.ec.rhno.columbia.edu
[3600] 70.192.39.160.in-addr.arpa. domain name pointer stinkrouter.ec.rhno.columbia.edu
[3600] 71.192.39.160.in-addr.arpa. domain name pointer ccs5.college.columbia.edu
[3600] 72.192.39.160.in-addr.arpa. domain name pointer oliver.ec.rhno.columbia.edu
[3600] 73.192.39.160.in-addr.arpa. domain name pointer oscar.ec.rhno.columbia.edu
[3600] 74.192.39.160.in-addr.arpa. domain name pointer ccs15.college.columbia.edu
[3600] 75.192.39.160.in-addr.arpa. domain name pointer gringo.ec.rhno.columbia.edu
[3600] 76.192.39.160.in-addr.arpa. domain name pointer top40.ec.rhno.columbia.edu
[3600] 77.192.39.160.in-addr.arpa. domain name pointer phalcon.ec.rhno.columbia.edu
[3600] 78.192.39.160.in-addr.arpa. domain name pointer dahntot.ec.resnet.columbia.edu
[3600] 79.192.39.160.in-addr.arpa. domain name pointer lndryvw-ec.housing.columbia.edu
[3600] 80.192.39.160.in-addr.arpa. domain name pointer zangetsu.ec.rhno.columbia.edu
[3600] 81.192.39.160.in-addr.arpa. domain name pointer redhackt.ec.rhno.columbia.edu
[3600] 82.192.39.160.in-addr.arpa. domain name pointer redlap.ec.rhno.columbia.edu
[3600] 83.192.39.160.in-addr.arpa. domain name pointer archimedes.ec.resnet.columbia.edu
[3600] 84.192.39.160.in-addr.arpa. domain name pointer ec18a-ninja.atg.columbia.edu
[3600] 85.192.39.160.in-addr.arpa. domain name pointer ec18a-printer.atg.columbia.edu
[3600] 86.192.39.160.in-addr.arpa. domain name pointer balthasar.ec.resnet.columbia.edu
[3600] 87.192.39.160.in-addr.arpa. domain name pointer hex.ec.resnet.columbia.edu
[3600] 88.192.39.160.in-addr.arpa. domain name pointer hexy.ec.resnet.columbia.edu
[3600] 89.192.39.160.in-addr.arpa. domain name pointer caspar.ec.resnet.columbia.edu
[3600] 90.192.39.160.in-addr.arpa. domain name pointer bankai.ec.resnet.columbia.edu
[3600] 91.192.39.160.in-addr.arpa. domain name pointer ichigo.ec.resnet.columbia.edu
[3600] 92.192.39.160.in-addr.arpa. domain name pointer dannyboy.ec.resnet.columbia.edu
[3600] 93.192.39.160.in-addr.arpa. domain name pointer dell.ec.rhno.columbia.edu
[3600] 94.192.39.160.in-addr.arpa. domain name pointer gwang.ec.resnet.columbia.edu
[3600] 95.192.39.160.in-addr.arpa. domain name pointer einstein.ec.rhno.columbia.edu
[3600] 96.192.39.160.in-addr.arpa. domain name pointer jubal.ec.resnet.columbia.edu
[3600] 97.192.39.160.in-addr.arpa. domain name pointer andrew.ec.resnet.columbia.edu
[3600] 98.192.39.160.in-addr.arpa. domain name pointer diplomat.ec.resnet.columbia.edu
[3600] 99.192.39.160.in-addr.arpa. domain name pointer fivel.ec.resnet.columbia.edu
[3600] 100.192.39.160.in-addr.arpa. domain name pointer macross.ec.resnet.columbia.edu
[0] 101.192.39.160.in-addr.arpa.: domain name does not exist
[0] 102.192.39.160.in-addr.arpa.: domain name does not exist
[0] 103.192.39.160.in-addr.arpa.: domain name does not exist
[0] 104.192.39.160.in-addr.arpa.: domain name does not exist
[0] 105.192.39.160.in-addr.arpa.: domain name does not exist
[0] 106.192.39.160.in-addr.arpa.: domain name does not exist
[0] 107.192.39.160.in-addr.arpa.: domain name does not exist
[0] 108.192.39.160.in-addr.arpa.: domain name does not exist
[0] 109.192.39.160.in-addr.arpa.: domain name does not exist
[0] 110.192.39.160.in-addr.arpa.: domain name does not exist
[0] 111.192.39.160.in-addr.arpa.: domain name does not exist
[0] 112.192.39.160.in-addr.arpa.: domain name does not exist
[3600] 113.192.39.160.in-addr.arpa. domain name pointer bliss.ec.rhno.columbia.edu
[0] 114.192.39.160.in-addr.arpa.: domain name does not exist
[0] 115.192.39.160.in-addr.arpa.: domain name does not exist
[0] 116.192.39.160.in-addr.arpa.: domain name does not exist
[0] 117.192.39.160.in-addr.arpa.: domain name does not exist
[0] 118.192.39.160.in-addr.arpa.: domain name does not exist
[0] 119.192.39.160.in-addr.arpa.: domain name does not exist
[0] 120.192.39.160.in-addr.arpa.: domain name does not exist
[0] 121.192.39.160.in-addr.arpa.: domain name does not exist
[0] 122.192.39.160.in-addr.arpa.: domain name does not exist
[0] 123.192.39.160.in-addr.arpa.: domain name does not exist
[0] 124.192.39.160.in-addr.arpa.: domain name does not exist
[0] 125.192.39.160.in-addr.arpa.: domain name does not exist
[0] 126.192.39.160.in-addr.arpa.: domain name does not exist
[0] 127.192.39.160.in-addr.arpa.: domain name does not exist
[0] 128.192.39.160.in-addr.arpa.: domain name does not exist
[0] 129.192.39.160.in-addr.arpa.: domain name does not exist
[0] 130.192.39.160.in-addr.arpa.: domain name does not exist
[0] 131.192.39.160.in-addr.arpa.: domain name does not exist
[0] 132.192.39.160.in-addr.arpa.: domain name does not exist
[0] 133.192.39.160.in-addr.arpa.: domain name does not exist
[0] 134.192.39.160.in-addr.arpa.: domain name does not exist
[0] 135.192.39.160.in-addr.arpa.: domain name does not exist
[0] 136.192.39.160.in-addr.arpa.: domain name does not exist
[0] 137.192.39.160.in-addr.arpa.: domain name does not exist
[0] 138.192.39.160.in-addr.arpa.: domain name does not exist
[0] 139.192.39.160.in-addr.arpa.: domain name does not exist
[0] 140.192.39.160.in-addr.arpa.: domain name does not exist
[0] 141.192.39.160.in-addr.arpa.: domain name does not exist
[0] 142.192.39.160.in-addr.arpa.: domain name does not exist
[0] 143.192.39.160.in-addr.arpa.: domain name does not exist
[0] 144.192.39.160.in-addr.arpa.: domain name does not exist
[0] 145.192.39.160.in-addr.arpa.: domain name does not exist
[0] 146.192.39.160.in-addr.arpa.: domain name does not exist
[0] 147.192.39.160.in-addr.arpa.: domain name does not exist
[0] 148.192.39.160.in-addr.arpa.: domain name does not exist
[0] 149.192.39.160.in-addr.arpa.: domain name does not exist
[0] 150.192.39.160.in-addr.arpa.: domain name does not exist
[0] 151.192.39.160.in-addr.arpa.: domain name does not exist
[0] 152.192.39.160.in-addr.arpa.: domain name does not exist
[0] 153.192.39.160.in-addr.arpa.: domain name does not exist
[0] 154.192.39.160.in-addr.arpa.: domain name does not exist
[0] 155.192.39.160.in-addr.arpa.: domain name does not exist
[0] 156.192.39.160.in-addr.arpa.: domain name does not exist
[0] 157.192.39.160.in-addr.arpa.: domain name does not exist
[0] 158.192.39.160.in-addr.arpa.: domain name does not exist
[0] 159.192.39.160.in-addr.arpa.: domain name does not exist
[0] 160.192.39.160.in-addr.arpa.: domain name does not exist
[0] 161.192.39.160.in-addr.arpa.: domain name does not exist
[0] 162.192.39.160.in-addr.arpa.: domain name does not exist
[0] 163.192.39.160.in-addr.arpa.: domain name does not exist
[0] 164.192.39.160.in-addr.arpa.: domain name does not exist
[0] 165.192.39.160.in-addr.arpa.: domain name does not exist
[0] 166.192.39.160.in-addr.arpa.: domain name does not exist
[0] 167.192.39.160.in-addr.arpa.: domain name does not exist
[0] 168.192.39.160.in-addr.arpa.: domain name does not exist
[0] 169.192.39.160.in-addr.arpa.: domain name does not exist
[0] 170.192.39.160.in-addr.arpa.: domain name does not exist
[0] 171.192.39.160.in-addr.arpa.: domain name does not exist
[0] 172.192.39.160.in-addr.arpa.: domain name does not exist
[0] 173.192.39.160.in-addr.arpa.: domain name does not exist
[3600] 174.192.39.160.in-addr.arpa. domain name pointer area1printer.urh.columbia.edu
[3600] 175.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-175.dyn.columbia.edu
[3600] 176.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-176.dyn.columbia.edu
[3600] 177.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-177.dyn.columbia.edu
[3600] 178.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-178.dyn.columbia.edu
[3600] 179.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-179.dyn.columbia.edu
[3600] 180.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-180.dyn.columbia.edu
[3600] 181.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-181.dyn.columbia.edu
[3600] 182.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-182.dyn.columbia.edu
[3600] 183.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-183.dyn.columbia.edu
[3600] 184.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-184.dyn.columbia.edu
[3600] 185.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-185.dyn.columbia.edu
[3600] 186.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-186.dyn.columbia.edu
[3600] 187.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-187.dyn.columbia.edu
[3600] 188.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-188.dyn.columbia.edu
[3600] 189.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-189.dyn.columbia.edu
[3600] 190.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-190.dyn.columbia.edu
[3600] 191.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-191.dyn.columbia.edu
[3600] 192.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-192.dyn.columbia.edu
[3600] 193.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-193.dyn.columbia.edu
[3600] 194.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-194.dyn.columbia.edu
[3600] 195.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-195.dyn.columbia.edu
[3600] 196.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-196.dyn.columbia.edu
[3600] 197.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-197.dyn.columbia.edu
[3600] 198.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-198.dyn.columbia.edu
[3600] 199.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-199.dyn.columbia.edu
[3600] 200.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-200.dyn.columbia.edu
[3600] 201.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-201.dyn.columbia.edu
[3600] 202.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-202.dyn.columbia.edu
[3600] 203.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-203.dyn.columbia.edu
[3600] 204.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-204.dyn.columbia.edu
[3600] 205.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-205.dyn.columbia.edu
[3600] 206.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-206.dyn.columbia.edu
[3600] 207.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-207.dyn.columbia.edu
[3600] 208.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-208.dyn.columbia.edu
[3600] 209.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-209.dyn.columbia.edu
[3600] 210.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-210.dyn.columbia.edu
[3600] 211.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-211.dyn.columbia.edu
[3600] 212.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-212.dyn.columbia.edu
[3600] 213.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-213.dyn.columbia.edu
[3600] 214.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-214.dyn.columbia.edu
[3600] 215.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-215.dyn.columbia.edu
[3600] 216.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-216.dyn.columbia.edu
[3600] 217.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-217.dyn.columbia.edu
[3600] 218.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-218.dyn.columbia.edu
[3600] 219.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-219.dyn.columbia.edu
[3600] 220.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-220.dyn.columbia.edu
[3600] 221.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-221.dyn.columbia.edu
[3600] 222.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-222.dyn.columbia.edu
[3600] 223.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-223.dyn.columbia.edu
[3600] 224.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-224.dyn.columbia.edu
[3600] 225.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-225.dyn.columbia.edu
[3600] 226.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-226.dyn.columbia.edu
[3600] 227.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-227.dyn.columbia.edu
[3600] 228.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-228.dyn.columbia.edu
[3600] 229.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-229.dyn.columbia.edu
[3600] 230.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-230.dyn.columbia.edu
[3600] 231.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-231.dyn.columbia.edu
[3600] 232.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-232.dyn.columbia.edu
[3600] 233.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-233.dyn.columbia.edu
[3600] 234.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-234.dyn.columbia.edu
[3600] 235.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-235.dyn.columbia.edu
[3600] 236.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-236.dyn.columbia.edu
[3600] 237.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-237.dyn.columbia.edu
[3600] 238.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-238.dyn.columbia.edu
[3600] 239.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-239.dyn.columbia.edu
[3600] 240.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-240.dyn.columbia.edu
[3600] 241.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-241.dyn.columbia.edu
[3600] 242.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-242.dyn.columbia.edu
[3600] 243.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-243.dyn.columbia.edu
[3600] 244.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-244.dyn.columbia.edu
[3600] 245.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-245.dyn.columbia.edu
[3600] 246.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-246.dyn.columbia.edu
[3600] 247.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-247.dyn.columbia.edu
[3600] 248.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-248.dyn.columbia.edu
[3600] 249.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-249.dyn.columbia.edu
[3600] 250.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-250.dyn.columbia.edu
[3600] 251.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-251.dyn.columbia.edu
[3600] 252.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-252.dyn.columbia.edu
[3600] 253.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-253.dyn.columbia.edu
[3600] 254.192.39.160.in-addr.arpa. domain name pointer dyn-ec-192-254.dyn.columbia.edu
[0] 255.192.39.160.in-addr.arpa.: domain name does not exist