[0] 0.51.39.160.in-addr.arpa.: domain name does not exist
[3600] 1.51.39.160.in-addr.arpa. domain name pointer butl-edge-1-vlan916-1.net.columbia.edu
[0] 2.51.39.160.in-addr.arpa.: domain name does not exist
[0] 3.51.39.160.in-addr.arpa.: domain name does not exist
[0] 4.51.39.160.in-addr.arpa.: domain name does not exist
[3600] 5.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-5.dyn.columbia.edu
[3600] 6.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-6.dyn.columbia.edu
[3600] 7.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-7.dyn.columbia.edu
[3600] 8.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-8.dyn.columbia.edu
[3600] 9.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-9.dyn.columbia.edu
[3600] 10.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-10.dyn.columbia.edu
[3600] 11.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-11.dyn.columbia.edu
[3600] 12.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-12.dyn.columbia.edu
[3600] 13.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-13.dyn.columbia.edu
[3600] 14.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-14.dyn.columbia.edu
[3600] 15.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-15.dyn.columbia.edu
[3600] 16.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-16.dyn.columbia.edu
[3600] 17.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-17.dyn.columbia.edu
[3600] 18.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-18.dyn.columbia.edu
[3600] 19.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-19.dyn.columbia.edu
[3600] 20.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-20.dyn.columbia.edu
[3600] 21.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-21.dyn.columbia.edu
[3600] 22.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-22.dyn.columbia.edu
[3600] 23.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-23.dyn.columbia.edu
[3600] 24.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-24.dyn.columbia.edu
[3600] 25.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-25.dyn.columbia.edu
[3600] 26.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-26.dyn.columbia.edu
[3600] 27.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-27.dyn.columbia.edu
[3600] 28.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-28.dyn.columbia.edu
[3600] 29.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-29.dyn.columbia.edu
[3600] 30.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-30.dyn.columbia.edu
[3600] 31.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-31.dyn.columbia.edu
[3600] 32.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-32.dyn.columbia.edu
[3600] 33.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-33.dyn.columbia.edu
[3600] 34.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-34.dyn.columbia.edu
[3600] 35.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-35.dyn.columbia.edu
[3600] 36.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-36.dyn.columbia.edu
[3600] 37.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-37.dyn.columbia.edu
[3600] 38.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-38.dyn.columbia.edu
[3600] 39.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-39.dyn.columbia.edu
[3600] 40.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-40.dyn.columbia.edu
[3600] 41.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-41.dyn.columbia.edu
[3600] 42.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-42.dyn.columbia.edu
[3600] 43.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-43.dyn.columbia.edu
[3600] 44.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-44.dyn.columbia.edu
[3600] 45.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-45.dyn.columbia.edu
[3600] 46.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-46.dyn.columbia.edu
[3600] 47.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-47.dyn.columbia.edu
[3600] 48.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-48.dyn.columbia.edu
[3600] 49.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-49.dyn.columbia.edu
[3600] 50.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-50.dyn.columbia.edu
[3600] 51.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-51.dyn.columbia.edu
[3600] 52.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-52.dyn.columbia.edu
[3600] 53.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-53.dyn.columbia.edu
[3600] 54.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-54.dyn.columbia.edu
[3600] 55.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-55.dyn.columbia.edu
[3600] 56.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-56.dyn.columbia.edu
[3600] 57.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-57.dyn.columbia.edu
[3600] 58.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-58.dyn.columbia.edu
[3600] 59.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-59.dyn.columbia.edu
[3600] 60.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-60.dyn.columbia.edu
[3600] 61.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-61.dyn.columbia.edu
[0] 62.51.39.160.in-addr.arpa.: domain name does not exist
[0] 63.51.39.160.in-addr.arpa.: domain name does not exist
[0] 64.51.39.160.in-addr.arpa.: domain name does not exist
[3600] 65.51.39.160.in-addr.arpa. domain name pointer butl-edge-1-vlan980-1.net.columbia.edu
[0] 66.51.39.160.in-addr.arpa.: domain name does not exist
[0] 67.51.39.160.in-addr.arpa.: domain name does not exist
[0] 68.51.39.160.in-addr.arpa.: domain name does not exist
[0] 69.51.39.160.in-addr.arpa.: domain name does not exist
[0] 70.51.39.160.in-addr.arpa.: domain name does not exist
[0] 71.51.39.160.in-addr.arpa.: domain name does not exist
[0] 72.51.39.160.in-addr.arpa.: domain name does not exist
[0] 73.51.39.160.in-addr.arpa.: domain name does not exist
[0] 74.51.39.160.in-addr.arpa.: domain name does not exist
[0] 75.51.39.160.in-addr.arpa.: domain name does not exist
[3600] 76.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-76.dyn.columbia.edu
[3600] 77.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-77.dyn.columbia.edu
[3600] 78.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-78.dyn.columbia.edu
[3600] 79.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-79.dyn.columbia.edu
[3600] 80.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-80.dyn.columbia.edu
[3600] 81.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-81.dyn.columbia.edu
[3600] 82.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-82.dyn.columbia.edu
[3600] 83.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-83.dyn.columbia.edu
[3600] 84.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-84.dyn.columbia.edu
[3600] 85.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-85.dyn.columbia.edu
[3600] 86.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-86.dyn.columbia.edu
[3600] 87.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-87.dyn.columbia.edu
[3600] 88.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-88.dyn.columbia.edu
[3600] 89.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-89.dyn.columbia.edu
[3600] 90.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-90.dyn.columbia.edu
[3600] 91.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-91.dyn.columbia.edu
[3600] 92.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-92.dyn.columbia.edu
[3600] 93.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-93.dyn.columbia.edu
[3600] 94.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-94.dyn.columbia.edu
[3600] 95.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-95.dyn.columbia.edu
[3600] 96.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-96.dyn.columbia.edu
[3600] 97.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-97.dyn.columbia.edu
[3600] 98.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-98.dyn.columbia.edu
[3600] 99.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-99.dyn.columbia.edu
[3600] 100.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-100.dyn.columbia.edu
[3600] 101.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-101.dyn.columbia.edu
[3600] 102.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-102.dyn.columbia.edu
[3600] 103.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-103.dyn.columbia.edu
[3600] 104.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-104.dyn.columbia.edu
[3600] 105.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-105.dyn.columbia.edu
[3600] 106.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-106.dyn.columbia.edu
[3600] 107.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-107.dyn.columbia.edu
[3600] 108.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-108.dyn.columbia.edu
[3600] 109.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-109.dyn.columbia.edu
[3600] 110.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-110.dyn.columbia.edu
[3600] 111.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-111.dyn.columbia.edu
[3600] 112.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-112.dyn.columbia.edu
[3600] 113.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-113.dyn.columbia.edu
[3600] 114.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-114.dyn.columbia.edu
[3600] 115.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-115.dyn.columbia.edu
[3600] 116.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-116.dyn.columbia.edu
[3600] 117.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-117.dyn.columbia.edu
[3600] 118.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-118.dyn.columbia.edu
[3600] 119.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-119.dyn.columbia.edu
[3600] 120.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-120.dyn.columbia.edu
[3600] 121.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-121.dyn.columbia.edu
[3600] 122.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-122.dyn.columbia.edu
[3600] 123.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-123.dyn.columbia.edu
[3600] 124.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-124.dyn.columbia.edu
[3600] 125.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-125.dyn.columbia.edu
[3600] 126.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-126.dyn.columbia.edu
[0] 127.51.39.160.in-addr.arpa.: domain name does not exist
[0] 128.51.39.160.in-addr.arpa.: domain name does not exist
[3600] 129.51.39.160.in-addr.arpa. domain name pointer butl-edge-1-vlan917-1.net.columbia.edu
[0] 130.51.39.160.in-addr.arpa.: domain name does not exist
[0] 131.51.39.160.in-addr.arpa.: domain name does not exist
[0] 132.51.39.160.in-addr.arpa.: domain name does not exist
[3600] 133.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-133.dyn.columbia.edu
[3600] 134.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-134.dyn.columbia.edu
[3600] 135.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-135.dyn.columbia.edu
[3600] 136.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-136.dyn.columbia.edu
[3600] 137.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-137.dyn.columbia.edu
[3600] 138.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-138.dyn.columbia.edu
[3600] 139.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-139.dyn.columbia.edu
[3600] 140.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-140.dyn.columbia.edu
[3600] 141.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-141.dyn.columbia.edu
[3600] 142.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-142.dyn.columbia.edu
[3600] 143.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-143.dyn.columbia.edu
[3600] 144.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-144.dyn.columbia.edu
[3600] 145.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-145.dyn.columbia.edu
[3600] 146.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-146.dyn.columbia.edu
[3600] 147.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-147.dyn.columbia.edu
[3600] 148.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-148.dyn.columbia.edu
[3600] 149.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-149.dyn.columbia.edu
[3600] 150.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-150.dyn.columbia.edu
[3600] 151.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-151.dyn.columbia.edu
[3600] 152.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-152.dyn.columbia.edu
[3600] 153.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-153.dyn.columbia.edu
[3600] 154.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-154.dyn.columbia.edu
[3600] 155.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-155.dyn.columbia.edu
[3600] 156.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-156.dyn.columbia.edu
[3600] 157.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-157.dyn.columbia.edu
[3600] 158.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-158.dyn.columbia.edu
[3600] 159.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-159.dyn.columbia.edu
[3600] 160.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-160.dyn.columbia.edu
[3600] 161.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-161.dyn.columbia.edu
[3600] 162.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-162.dyn.columbia.edu
[3600] 163.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-163.dyn.columbia.edu
[3600] 164.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-164.dyn.columbia.edu
[3600] 165.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-165.dyn.columbia.edu
[3600] 166.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-166.dyn.columbia.edu
[3600] 167.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-167.dyn.columbia.edu
[3600] 168.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-168.dyn.columbia.edu
[3600] 169.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-169.dyn.columbia.edu
[3600] 170.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-170.dyn.columbia.edu
[3600] 171.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-171.dyn.columbia.edu
[3600] 172.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-172.dyn.columbia.edu
[3600] 173.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-173.dyn.columbia.edu
[3600] 174.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-174.dyn.columbia.edu
[3600] 175.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-175.dyn.columbia.edu
[3600] 176.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-176.dyn.columbia.edu
[3600] 177.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-177.dyn.columbia.edu
[3600] 178.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-178.dyn.columbia.edu
[3600] 179.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-179.dyn.columbia.edu
[3600] 180.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-180.dyn.columbia.edu
[3600] 181.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-181.dyn.columbia.edu
[3600] 182.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-182.dyn.columbia.edu
[3600] 183.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-183.dyn.columbia.edu
[3600] 184.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-184.dyn.columbia.edu
[3600] 185.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-185.dyn.columbia.edu
[3600] 186.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-186.dyn.columbia.edu
[3600] 187.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-187.dyn.columbia.edu
[3600] 188.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-188.dyn.columbia.edu
[3600] 189.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-189.dyn.columbia.edu
[3600] 190.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-190.dyn.columbia.edu
[3600] 191.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-191.dyn.columbia.edu
[3600] 192.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-192.dyn.columbia.edu
[3600] 193.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-193.dyn.columbia.edu
[3600] 194.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-194.dyn.columbia.edu
[3600] 195.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-195.dyn.columbia.edu
[3600] 196.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-196.dyn.columbia.edu
[3600] 197.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-197.dyn.columbia.edu
[3600] 198.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-198.dyn.columbia.edu
[3600] 199.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-199.dyn.columbia.edu
[3600] 200.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-200.dyn.columbia.edu
[3600] 201.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-201.dyn.columbia.edu
[3600] 202.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-202.dyn.columbia.edu
[3600] 203.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-203.dyn.columbia.edu
[3600] 204.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-204.dyn.columbia.edu
[3600] 205.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-205.dyn.columbia.edu
[3600] 206.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-206.dyn.columbia.edu
[3600] 207.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-207.dyn.columbia.edu
[3600] 208.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-208.dyn.columbia.edu
[3600] 209.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-209.dyn.columbia.edu
[3600] 210.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-210.dyn.columbia.edu
[3600] 211.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-211.dyn.columbia.edu
[3600] 212.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-212.dyn.columbia.edu
[3600] 213.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-213.dyn.columbia.edu
[3600] 214.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-214.dyn.columbia.edu
[3600] 215.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-215.dyn.columbia.edu
[3600] 216.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-216.dyn.columbia.edu
[3600] 217.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-217.dyn.columbia.edu
[3600] 218.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-218.dyn.columbia.edu
[3600] 219.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-219.dyn.columbia.edu
[3600] 220.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-220.dyn.columbia.edu
[3600] 221.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-221.dyn.columbia.edu
[3600] 222.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-222.dyn.columbia.edu
[3600] 223.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-223.dyn.columbia.edu
[3600] 224.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-224.dyn.columbia.edu
[3600] 225.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-225.dyn.columbia.edu
[3600] 226.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-226.dyn.columbia.edu
[3600] 227.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-227.dyn.columbia.edu
[3600] 228.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-228.dyn.columbia.edu
[3600] 229.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-229.dyn.columbia.edu
[3600] 230.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-230.dyn.columbia.edu
[3600] 231.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-231.dyn.columbia.edu
[3600] 232.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-232.dyn.columbia.edu
[3600] 233.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-233.dyn.columbia.edu
[3600] 234.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-234.dyn.columbia.edu
[3600] 235.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-235.dyn.columbia.edu
[3600] 236.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-236.dyn.columbia.edu
[3600] 237.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-237.dyn.columbia.edu
[3600] 238.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-238.dyn.columbia.edu
[3600] 239.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-239.dyn.columbia.edu
[3600] 240.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-240.dyn.columbia.edu
[3600] 241.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-241.dyn.columbia.edu
[3600] 242.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-242.dyn.columbia.edu
[3600] 243.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-243.dyn.columbia.edu
[3600] 244.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-244.dyn.columbia.edu
[3600] 245.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-245.dyn.columbia.edu
[3600] 246.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-246.dyn.columbia.edu
[3600] 247.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-247.dyn.columbia.edu
[3600] 248.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-248.dyn.columbia.edu
[3600] 249.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-249.dyn.columbia.edu
[3600] 250.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-250.dyn.columbia.edu
[3600] 251.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-251.dyn.columbia.edu
[3600] 252.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-252.dyn.columbia.edu
[3600] 253.51.39.160.in-addr.arpa. domain name pointer dyn-160-39-51-253.dyn.columbia.edu
[0] 254.51.39.160.in-addr.arpa.: domain name does not exist
[0] 255.51.39.160.in-addr.arpa.: domain name does not exist