[0] 0.253.39.160.in-addr.arpa.: domain name does not exist
[0] 1.253.39.160.in-addr.arpa.: domain name does not exist
[0] 2.253.39.160.in-addr.arpa.: domain name does not exist
[0] 3.253.39.160.in-addr.arpa.: domain name does not exist
[0] 4.253.39.160.in-addr.arpa.: domain name does not exist
[0] 5.253.39.160.in-addr.arpa.: domain name does not exist
[0] 6.253.39.160.in-addr.arpa.: domain name does not exist
[0] 7.253.39.160.in-addr.arpa.: domain name does not exist
[0] 8.253.39.160.in-addr.arpa.: domain name does not exist
[0] 9.253.39.160.in-addr.arpa.: domain name does not exist
[3600] 10.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-10.dyn.columbia.edu
[3600] 11.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-11.dyn.columbia.edu
[3600] 12.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-12.dyn.columbia.edu
[3600] 13.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-13.dyn.columbia.edu
[3600] 14.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-14.dyn.columbia.edu
[3600] 15.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-15.dyn.columbia.edu
[3600] 16.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-16.dyn.columbia.edu
[3600] 17.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-17.dyn.columbia.edu
[3600] 18.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-18.dyn.columbia.edu
[3600] 19.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-19.dyn.columbia.edu
[3600] 20.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-20.dyn.columbia.edu
[3600] 21.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-21.dyn.columbia.edu
[3600] 22.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-22.dyn.columbia.edu
[3600] 23.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-23.dyn.columbia.edu
[3600] 24.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-24.dyn.columbia.edu
[3600] 25.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-25.dyn.columbia.edu
[3600] 26.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-26.dyn.columbia.edu
[3600] 27.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-27.dyn.columbia.edu
[3600] 28.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-28.dyn.columbia.edu
[3600] 29.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-29.dyn.columbia.edu
[3600] 30.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-30.dyn.columbia.edu
[3600] 31.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-31.dyn.columbia.edu
[3600] 32.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-32.dyn.columbia.edu
[3600] 33.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-33.dyn.columbia.edu
[3600] 34.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-34.dyn.columbia.edu
[3600] 35.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-35.dyn.columbia.edu
[3600] 36.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-36.dyn.columbia.edu
[3600] 37.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-37.dyn.columbia.edu
[3600] 38.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-38.dyn.columbia.edu
[3600] 39.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-39.dyn.columbia.edu
[3600] 40.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-40.dyn.columbia.edu
[3600] 41.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-41.dyn.columbia.edu
[3600] 42.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-42.dyn.columbia.edu
[3600] 43.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-43.dyn.columbia.edu
[3600] 44.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-44.dyn.columbia.edu
[3600] 45.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-45.dyn.columbia.edu
[3600] 46.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-46.dyn.columbia.edu
[3600] 47.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-47.dyn.columbia.edu
[3600] 48.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-48.dyn.columbia.edu
[3600] 49.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-49.dyn.columbia.edu
[3600] 50.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-50.dyn.columbia.edu
[3600] 51.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-51.dyn.columbia.edu
[3600] 52.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-52.dyn.columbia.edu
[3600] 53.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-53.dyn.columbia.edu
[3600] 54.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-54.dyn.columbia.edu
[3600] 55.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-55.dyn.columbia.edu
[3600] 56.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-56.dyn.columbia.edu
[3600] 57.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-57.dyn.columbia.edu
[3600] 58.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-58.dyn.columbia.edu
[3600] 59.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-59.dyn.columbia.edu
[3600] 60.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-60.dyn.columbia.edu
[3600] 61.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-61.dyn.columbia.edu
[3600] 62.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-62.dyn.columbia.edu
[3600] 63.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-63.dyn.columbia.edu
[3600] 64.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-64.dyn.columbia.edu
[3600] 65.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-65.dyn.columbia.edu
[3600] 66.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-66.dyn.columbia.edu
[3600] 67.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-67.dyn.columbia.edu
[3600] 68.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-68.dyn.columbia.edu
[3600] 69.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-69.dyn.columbia.edu
[3600] 70.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-70.dyn.columbia.edu
[3600] 71.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-71.dyn.columbia.edu
[3600] 72.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-72.dyn.columbia.edu
[3600] 73.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-73.dyn.columbia.edu
[3600] 74.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-74.dyn.columbia.edu
[3600] 75.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-75.dyn.columbia.edu
[3600] 76.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-76.dyn.columbia.edu
[3600] 77.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-77.dyn.columbia.edu
[3600] 78.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-78.dyn.columbia.edu
[3600] 79.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-79.dyn.columbia.edu
[3600] 80.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-80.dyn.columbia.edu
[3600] 81.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-81.dyn.columbia.edu
[3600] 82.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-82.dyn.columbia.edu
[3600] 83.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-83.dyn.columbia.edu
[3600] 84.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-84.dyn.columbia.edu
[3600] 85.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-85.dyn.columbia.edu
[3600] 86.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-86.dyn.columbia.edu
[3600] 87.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-87.dyn.columbia.edu
[3600] 88.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-88.dyn.columbia.edu
[3600] 89.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-89.dyn.columbia.edu
[3600] 90.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-90.dyn.columbia.edu
[3600] 91.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-91.dyn.columbia.edu
[3600] 92.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-92.dyn.columbia.edu
[3600] 93.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-93.dyn.columbia.edu
[3600] 94.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-94.dyn.columbia.edu
[3600] 95.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-95.dyn.columbia.edu
[3600] 96.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-96.dyn.columbia.edu
[3600] 97.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-97.dyn.columbia.edu
[3600] 98.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-98.dyn.columbia.edu
[3600] 99.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-99.dyn.columbia.edu
[3600] 100.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-100.dyn.columbia.edu
[3600] 101.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-101.dyn.columbia.edu
[3600] 102.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-102.dyn.columbia.edu
[3600] 103.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-103.dyn.columbia.edu
[3600] 104.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-104.dyn.columbia.edu
[3600] 105.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-105.dyn.columbia.edu
[3600] 106.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-106.dyn.columbia.edu
[3600] 107.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-107.dyn.columbia.edu
[3600] 108.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-108.dyn.columbia.edu
[3600] 109.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-109.dyn.columbia.edu
[3600] 110.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-110.dyn.columbia.edu
[3600] 111.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-111.dyn.columbia.edu
[3600] 112.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-112.dyn.columbia.edu
[3600] 113.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-113.dyn.columbia.edu
[3600] 114.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-114.dyn.columbia.edu
[3600] 115.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-115.dyn.columbia.edu
[3600] 116.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-116.dyn.columbia.edu
[3600] 117.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-117.dyn.columbia.edu
[3600] 118.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-118.dyn.columbia.edu
[3600] 119.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-119.dyn.columbia.edu
[3600] 120.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-120.dyn.columbia.edu
[3600] 121.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-121.dyn.columbia.edu
[3600] 122.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-122.dyn.columbia.edu
[3600] 123.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-123.dyn.columbia.edu
[3600] 124.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-124.dyn.columbia.edu
[3600] 125.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-125.dyn.columbia.edu
[3600] 126.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-126.dyn.columbia.edu
[3600] 127.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-127.dyn.columbia.edu
[3600] 128.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-128.dyn.columbia.edu
[3600] 129.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-129.dyn.columbia.edu
[3600] 130.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-130.dyn.columbia.edu
[3600] 131.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-131.dyn.columbia.edu
[3600] 132.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-132.dyn.columbia.edu
[3600] 133.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-133.dyn.columbia.edu
[3600] 134.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-134.dyn.columbia.edu
[3600] 135.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-135.dyn.columbia.edu
[3600] 136.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-136.dyn.columbia.edu
[3600] 137.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-137.dyn.columbia.edu
[3600] 138.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-138.dyn.columbia.edu
[3600] 139.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-139.dyn.columbia.edu
[3600] 140.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-140.dyn.columbia.edu
[3600] 141.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-141.dyn.columbia.edu
[3600] 142.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-142.dyn.columbia.edu
[3600] 143.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-143.dyn.columbia.edu
[3600] 144.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-144.dyn.columbia.edu
[3600] 145.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-145.dyn.columbia.edu
[3600] 146.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-146.dyn.columbia.edu
[3600] 147.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-147.dyn.columbia.edu
[3600] 148.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-148.dyn.columbia.edu
[3600] 149.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-149.dyn.columbia.edu
[3600] 150.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-150.dyn.columbia.edu
[3600] 151.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-151.dyn.columbia.edu
[3600] 152.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-152.dyn.columbia.edu
[3600] 153.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-153.dyn.columbia.edu
[3600] 154.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-154.dyn.columbia.edu
[3600] 155.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-155.dyn.columbia.edu
[3600] 156.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-156.dyn.columbia.edu
[3600] 157.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-157.dyn.columbia.edu
[3600] 158.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-158.dyn.columbia.edu
[3600] 159.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-159.dyn.columbia.edu
[3600] 160.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-160.dyn.columbia.edu
[3600] 161.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-161.dyn.columbia.edu
[3600] 162.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-162.dyn.columbia.edu
[3600] 163.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-163.dyn.columbia.edu
[3600] 164.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-164.dyn.columbia.edu
[3600] 165.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-165.dyn.columbia.edu
[3600] 166.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-166.dyn.columbia.edu
[3600] 167.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-167.dyn.columbia.edu
[3600] 168.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-168.dyn.columbia.edu
[3600] 169.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-169.dyn.columbia.edu
[3600] 170.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-170.dyn.columbia.edu
[3600] 171.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-171.dyn.columbia.edu
[3600] 172.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-172.dyn.columbia.edu
[3600] 173.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-173.dyn.columbia.edu
[3600] 174.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-174.dyn.columbia.edu
[3600] 175.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-175.dyn.columbia.edu
[3600] 176.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-176.dyn.columbia.edu
[3600] 177.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-177.dyn.columbia.edu
[3600] 178.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-178.dyn.columbia.edu
[3600] 179.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-179.dyn.columbia.edu
[3600] 180.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-180.dyn.columbia.edu
[3600] 181.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-181.dyn.columbia.edu
[3600] 182.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-182.dyn.columbia.edu
[3600] 183.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-183.dyn.columbia.edu
[3600] 184.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-184.dyn.columbia.edu
[3600] 185.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-185.dyn.columbia.edu
[3600] 186.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-186.dyn.columbia.edu
[3600] 187.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-187.dyn.columbia.edu
[3600] 188.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-188.dyn.columbia.edu
[3600] 189.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-189.dyn.columbia.edu
[3600] 190.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-190.dyn.columbia.edu
[3600] 191.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-191.dyn.columbia.edu
[3600] 192.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-192.dyn.columbia.edu
[3600] 193.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-193.dyn.columbia.edu
[3600] 194.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-194.dyn.columbia.edu
[3600] 195.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-195.dyn.columbia.edu
[3600] 196.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-196.dyn.columbia.edu
[3600] 197.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-197.dyn.columbia.edu
[3600] 198.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-198.dyn.columbia.edu
[3600] 199.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-199.dyn.columbia.edu
[3600] 200.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-200.dyn.columbia.edu
[3600] 201.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-201.dyn.columbia.edu
[3600] 202.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-202.dyn.columbia.edu
[3600] 203.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-203.dyn.columbia.edu
[3600] 204.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-204.dyn.columbia.edu
[3600] 205.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-205.dyn.columbia.edu
[3600] 206.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-206.dyn.columbia.edu
[3600] 207.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-207.dyn.columbia.edu
[3600] 208.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-208.dyn.columbia.edu
[3600] 209.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-209.dyn.columbia.edu
[3600] 210.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-210.dyn.columbia.edu
[3600] 211.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-211.dyn.columbia.edu
[3600] 212.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-212.dyn.columbia.edu
[3600] 213.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-213.dyn.columbia.edu
[3600] 214.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-214.dyn.columbia.edu
[3600] 215.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-215.dyn.columbia.edu
[3600] 216.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-216.dyn.columbia.edu
[3600] 217.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-217.dyn.columbia.edu
[3600] 218.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-218.dyn.columbia.edu
[3600] 219.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-219.dyn.columbia.edu
[3600] 220.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-220.dyn.columbia.edu
[3600] 221.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-221.dyn.columbia.edu
[3600] 222.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-222.dyn.columbia.edu
[3600] 223.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-223.dyn.columbia.edu
[3600] 224.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-224.dyn.columbia.edu
[3600] 225.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-225.dyn.columbia.edu
[3600] 226.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-226.dyn.columbia.edu
[3600] 227.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-227.dyn.columbia.edu
[3600] 228.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-228.dyn.columbia.edu
[3600] 229.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-229.dyn.columbia.edu
[3600] 230.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-230.dyn.columbia.edu
[3600] 231.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-231.dyn.columbia.edu
[3600] 232.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-232.dyn.columbia.edu
[3600] 233.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-233.dyn.columbia.edu
[3600] 234.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-234.dyn.columbia.edu
[3600] 235.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-235.dyn.columbia.edu
[3600] 236.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-236.dyn.columbia.edu
[3600] 237.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-237.dyn.columbia.edu
[3600] 238.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-238.dyn.columbia.edu
[3600] 239.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-239.dyn.columbia.edu
[3600] 240.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-240.dyn.columbia.edu
[3600] 241.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-241.dyn.columbia.edu
[3600] 242.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-242.dyn.columbia.edu
[3600] 243.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-243.dyn.columbia.edu
[3600] 244.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-244.dyn.columbia.edu
[3600] 245.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-245.dyn.columbia.edu
[3600] 246.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-246.dyn.columbia.edu
[3600] 247.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-247.dyn.columbia.edu
[3600] 248.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-248.dyn.columbia.edu
[3600] 249.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-249.dyn.columbia.edu
[3600] 250.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-250.dyn.columbia.edu
[3600] 251.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-251.dyn.columbia.edu
[3600] 252.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-252.dyn.columbia.edu
[3600] 253.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-253.dyn.columbia.edu
[3600] 254.253.39.160.in-addr.arpa. domain name pointer dyn-160-39-253-254.dyn.columbia.edu
[0] 255.253.39.160.in-addr.arpa.: domain name does not exist