[0] 0.52.39.160.in-addr.arpa.: domain name does not exist
[0] 1.52.39.160.in-addr.arpa.: domain name does not exist
[0] 2.52.39.160.in-addr.arpa.: domain name does not exist
[0] 3.52.39.160.in-addr.arpa.: domain name does not exist
[0] 4.52.39.160.in-addr.arpa.: domain name does not exist
[3600] 5.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-5.dyn.columbia.edu
[3600] 6.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-6.dyn.columbia.edu
[3600] 7.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-7.dyn.columbia.edu
[3600] 8.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-8.dyn.columbia.edu
[3600] 9.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-9.dyn.columbia.edu
[3600] 10.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-10.dyn.columbia.edu
[3600] 11.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-11.dyn.columbia.edu
[3600] 12.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-12.dyn.columbia.edu
[3600] 13.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-13.dyn.columbia.edu
[3600] 14.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-14.dyn.columbia.edu
[3600] 15.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-15.dyn.columbia.edu
[3600] 16.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-16.dyn.columbia.edu
[3600] 17.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-17.dyn.columbia.edu
[3600] 18.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-18.dyn.columbia.edu
[3600] 19.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-19.dyn.columbia.edu
[3600] 20.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-20.dyn.columbia.edu
[3600] 21.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-21.dyn.columbia.edu
[3600] 22.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-22.dyn.columbia.edu
[3600] 23.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-23.dyn.columbia.edu
[3600] 24.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-24.dyn.columbia.edu
[3600] 25.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-25.dyn.columbia.edu
[3600] 26.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-26.dyn.columbia.edu
[3600] 27.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-27.dyn.columbia.edu
[3600] 28.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-28.dyn.columbia.edu
[3600] 29.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-29.dyn.columbia.edu
[3600] 30.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-30.dyn.columbia.edu
[3600] 31.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-31.dyn.columbia.edu
[3600] 32.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-32.dyn.columbia.edu
[3600] 33.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-33.dyn.columbia.edu
[3600] 34.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-34.dyn.columbia.edu
[3600] 35.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-35.dyn.columbia.edu
[3600] 36.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-36.dyn.columbia.edu
[3600] 37.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-37.dyn.columbia.edu
[3600] 38.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-38.dyn.columbia.edu
[3600] 39.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-39.dyn.columbia.edu
[3600] 40.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-40.dyn.columbia.edu
[3600] 41.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-41.dyn.columbia.edu
[3600] 42.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-42.dyn.columbia.edu
[3600] 43.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-43.dyn.columbia.edu
[3600] 44.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-44.dyn.columbia.edu
[3600] 45.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-45.dyn.columbia.edu
[3600] 46.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-46.dyn.columbia.edu
[3600] 47.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-47.dyn.columbia.edu
[3600] 48.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-48.dyn.columbia.edu
[3600] 49.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-49.dyn.columbia.edu
[3600] 50.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-50.dyn.columbia.edu
[3600] 51.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-51.dyn.columbia.edu
[3600] 52.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-52.dyn.columbia.edu
[3600] 53.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-53.dyn.columbia.edu
[3600] 54.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-54.dyn.columbia.edu
[3600] 55.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-55.dyn.columbia.edu
[3600] 56.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-56.dyn.columbia.edu
[3600] 57.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-57.dyn.columbia.edu
[3600] 58.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-58.dyn.columbia.edu
[3600] 59.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-59.dyn.columbia.edu
[3600] 60.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-60.dyn.columbia.edu
[3600] 61.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-61.dyn.columbia.edu
[3600] 62.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-62.dyn.columbia.edu
[3600] 63.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-63.dyn.columbia.edu
[3600] 64.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-64.dyn.columbia.edu
[3600] 65.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-65.dyn.columbia.edu
[3600] 66.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-66.dyn.columbia.edu
[3600] 67.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-67.dyn.columbia.edu
[3600] 68.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-68.dyn.columbia.edu
[3600] 69.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-69.dyn.columbia.edu
[3600] 70.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-70.dyn.columbia.edu
[3600] 71.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-71.dyn.columbia.edu
[3600] 72.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-72.dyn.columbia.edu
[3600] 73.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-73.dyn.columbia.edu
[3600] 74.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-74.dyn.columbia.edu
[3600] 75.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-75.dyn.columbia.edu
[3600] 76.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-76.dyn.columbia.edu
[3600] 77.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-77.dyn.columbia.edu
[3600] 78.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-78.dyn.columbia.edu
[3600] 79.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-79.dyn.columbia.edu
[3600] 80.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-80.dyn.columbia.edu
[3600] 81.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-81.dyn.columbia.edu
[3600] 82.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-82.dyn.columbia.edu
[3600] 83.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-83.dyn.columbia.edu
[3600] 84.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-84.dyn.columbia.edu
[3600] 85.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-85.dyn.columbia.edu
[3600] 86.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-86.dyn.columbia.edu
[3600] 87.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-87.dyn.columbia.edu
[3600] 88.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-88.dyn.columbia.edu
[3600] 89.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-89.dyn.columbia.edu
[3600] 90.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-90.dyn.columbia.edu
[3600] 91.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-91.dyn.columbia.edu
[3600] 92.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-92.dyn.columbia.edu
[3600] 93.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-93.dyn.columbia.edu
[3600] 94.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-94.dyn.columbia.edu
[3600] 95.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-95.dyn.columbia.edu
[3600] 96.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-96.dyn.columbia.edu
[3600] 97.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-97.dyn.columbia.edu
[3600] 98.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-98.dyn.columbia.edu
[3600] 99.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-99.dyn.columbia.edu
[3600] 100.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-100.dyn.columbia.edu
[3600] 101.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-101.dyn.columbia.edu
[3600] 102.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-102.dyn.columbia.edu
[3600] 103.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-103.dyn.columbia.edu
[3600] 104.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-104.dyn.columbia.edu
[3600] 105.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-105.dyn.columbia.edu
[3600] 106.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-106.dyn.columbia.edu
[3600] 107.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-107.dyn.columbia.edu
[3600] 108.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-108.dyn.columbia.edu
[3600] 109.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-109.dyn.columbia.edu
[3600] 110.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-110.dyn.columbia.edu
[3600] 111.52.39.160.in-addr.arpa. domain name pointer cam.apt.columbia.edu
[3600] 112.52.39.160.in-addr.arpa. domain name pointer ins.apt.columbia.edu
[3600] 113.52.39.160.in-addr.arpa. domain name pointer jsb.apt.columbia.edu
[3600] 114.52.39.160.in-addr.arpa. domain name pointer mac.apt.columbia.edu
[3600] 115.52.39.160.in-addr.arpa. domain name pointer moi.apt.columbia.edu
[3600] 116.52.39.160.in-addr.arpa. domain name pointer pdp.apt.columbia.edu
[3600] 117.52.39.160.in-addr.arpa. domain name pointer jorgealvarado.ire.columbia.edu
[3600] 118.52.39.160.in-addr.arpa. domain name pointer mahajan.apt.columbia.edu
[0] 119.52.39.160.in-addr.arpa.: domain name does not exist
[0] 120.52.39.160.in-addr.arpa.: domain name does not exist
[0] 121.52.39.160.in-addr.arpa.: domain name does not exist
[0] 122.52.39.160.in-addr.arpa.: domain name does not exist
[0] 123.52.39.160.in-addr.arpa.: domain name does not exist
[0] 124.52.39.160.in-addr.arpa.: domain name does not exist
[0] 125.52.39.160.in-addr.arpa.: domain name does not exist
[0] 126.52.39.160.in-addr.arpa.: domain name does not exist
[0] 127.52.39.160.in-addr.arpa.: domain name does not exist
[0] 128.52.39.160.in-addr.arpa.: domain name does not exist
[3600] 129.52.39.160.in-addr.arpa. domain name pointer butl-edge-1-vlan903-1.net.columbia.edu
[0] 130.52.39.160.in-addr.arpa.: domain name does not exist
[0] 131.52.39.160.in-addr.arpa.: domain name does not exist
[0] 132.52.39.160.in-addr.arpa.: domain name does not exist
[3600] 133.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-133.dyn.columbia.edu
[3600] 134.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-134.dyn.columbia.edu
[3600] 135.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-135.dyn.columbia.edu
[3600] 136.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-136.dyn.columbia.edu
[3600] 137.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-137.dyn.columbia.edu
[3600] 138.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-138.dyn.columbia.edu
[3600] 139.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-139.dyn.columbia.edu
[3600] 140.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-140.dyn.columbia.edu
[3600] 141.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-141.dyn.columbia.edu
[3600] 142.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-142.dyn.columbia.edu
[3600] 143.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-143.dyn.columbia.edu
[3600] 144.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-144.dyn.columbia.edu
[3600] 145.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-145.dyn.columbia.edu
[3600] 146.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-146.dyn.columbia.edu
[3600] 147.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-147.dyn.columbia.edu
[3600] 148.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-148.dyn.columbia.edu
[3600] 149.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-149.dyn.columbia.edu
[3600] 150.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-150.dyn.columbia.edu
[3600] 151.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-151.dyn.columbia.edu
[3600] 152.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-152.dyn.columbia.edu
[3600] 153.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-153.dyn.columbia.edu
[3600] 154.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-154.dyn.columbia.edu
[3600] 155.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-155.dyn.columbia.edu
[3600] 156.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-156.dyn.columbia.edu
[3600] 157.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-157.dyn.columbia.edu
[3600] 158.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-158.dyn.columbia.edu
[3600] 159.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-159.dyn.columbia.edu
[3600] 160.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-160.dyn.columbia.edu
[3600] 161.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-161.dyn.columbia.edu
[3600] 162.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-162.dyn.columbia.edu
[3600] 163.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-163.dyn.columbia.edu
[3600] 164.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-164.dyn.columbia.edu
[3600] 165.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-165.dyn.columbia.edu
[3600] 166.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-166.dyn.columbia.edu
[3600] 167.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-167.dyn.columbia.edu
[3600] 168.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-168.dyn.columbia.edu
[3600] 169.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-169.dyn.columbia.edu
[3600] 170.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-170.dyn.columbia.edu
[3600] 171.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-171.dyn.columbia.edu
[3600] 172.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-172.dyn.columbia.edu
[3600] 173.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-173.dyn.columbia.edu
[3600] 174.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-174.dyn.columbia.edu
[3600] 175.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-175.dyn.columbia.edu
[3600] 176.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-176.dyn.columbia.edu
[3600] 177.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-177.dyn.columbia.edu
[3600] 178.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-178.dyn.columbia.edu
[3600] 179.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-179.dyn.columbia.edu
[3600] 180.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-180.dyn.columbia.edu
[3600] 181.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-181.dyn.columbia.edu
[3600] 182.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-182.dyn.columbia.edu
[3600] 183.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-183.dyn.columbia.edu
[3600] 184.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-184.dyn.columbia.edu
[3600] 185.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-185.dyn.columbia.edu
[3600] 186.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-186.dyn.columbia.edu
[3600] 187.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-187.dyn.columbia.edu
[3600] 188.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-188.dyn.columbia.edu
[3600] 189.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-189.dyn.columbia.edu
[3600] 190.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-190.dyn.columbia.edu
[3600] 191.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-191.dyn.columbia.edu
[3600] 192.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-192.dyn.columbia.edu
[3600] 193.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-193.dyn.columbia.edu
[3600] 194.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-194.dyn.columbia.edu
[3600] 195.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-195.dyn.columbia.edu
[3600] 196.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-196.dyn.columbia.edu
[3600] 197.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-197.dyn.columbia.edu
[3600] 198.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-198.dyn.columbia.edu
[3600] 199.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-199.dyn.columbia.edu
[3600] 200.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-200.dyn.columbia.edu
[3600] 201.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-201.dyn.columbia.edu
[3600] 202.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-202.dyn.columbia.edu
[3600] 203.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-203.dyn.columbia.edu
[3600] 204.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-204.dyn.columbia.edu
[3600] 205.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-205.dyn.columbia.edu
[3600] 206.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-206.dyn.columbia.edu
[3600] 207.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-207.dyn.columbia.edu
[3600] 208.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-208.dyn.columbia.edu
[3600] 209.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-209.dyn.columbia.edu
[3600] 210.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-210.dyn.columbia.edu
[3600] 211.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-211.dyn.columbia.edu
[3600] 212.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-212.dyn.columbia.edu
[3600] 213.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-213.dyn.columbia.edu
[3600] 214.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-214.dyn.columbia.edu
[3600] 215.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-215.dyn.columbia.edu
[3600] 216.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-216.dyn.columbia.edu
[3600] 217.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-217.dyn.columbia.edu
[3600] 218.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-218.dyn.columbia.edu
[3600] 219.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-219.dyn.columbia.edu
[3600] 220.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-220.dyn.columbia.edu
[3600] 221.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-221.dyn.columbia.edu
[3600] 222.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-222.dyn.columbia.edu
[3600] 223.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-223.dyn.columbia.edu
[3600] 224.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-224.dyn.columbia.edu
[3600] 225.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-225.dyn.columbia.edu
[3600] 226.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-226.dyn.columbia.edu
[3600] 227.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-227.dyn.columbia.edu
[3600] 228.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-228.dyn.columbia.edu
[3600] 229.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-229.dyn.columbia.edu
[3600] 230.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-230.dyn.columbia.edu
[3600] 231.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-231.dyn.columbia.edu
[3600] 232.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-232.dyn.columbia.edu
[3600] 233.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-233.dyn.columbia.edu
[3600] 234.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-234.dyn.columbia.edu
[3600] 235.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-235.dyn.columbia.edu
[3600] 236.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-236.dyn.columbia.edu
[3600] 237.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-237.dyn.columbia.edu
[3600] 238.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-238.dyn.columbia.edu
[3600] 239.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-239.dyn.columbia.edu
[3600] 240.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-240.dyn.columbia.edu
[3600] 241.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-241.dyn.columbia.edu
[3600] 242.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-242.dyn.columbia.edu
[3600] 243.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-243.dyn.columbia.edu
[3600] 244.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-244.dyn.columbia.edu
[3600] 245.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-245.dyn.columbia.edu
[3600] 246.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-246.dyn.columbia.edu
[3600] 247.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-247.dyn.columbia.edu
[3600] 248.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-248.dyn.columbia.edu
[3600] 249.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-249.dyn.columbia.edu
[3600] 250.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-250.dyn.columbia.edu
[3600] 251.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-251.dyn.columbia.edu
[3600] 252.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-252.dyn.columbia.edu
[3600] 253.52.39.160.in-addr.arpa. domain name pointer dyn-160-39-52-253.dyn.columbia.edu
[0] 254.52.39.160.in-addr.arpa.: domain name does not exist
[0] 255.52.39.160.in-addr.arpa.: domain name does not exist