[0] 0.205.38.69.in-addr.arpa.: domain name does not exist
[0] 1.205.38.69.in-addr.arpa.: domain name does not exist
[0] 2.205.38.69.in-addr.arpa.: domain name does not exist
[0] 3.205.38.69.in-addr.arpa.: domain name does not exist
[0] 4.205.38.69.in-addr.arpa.: domain name does not exist
[0] 5.205.38.69.in-addr.arpa.: domain name does not exist
[0] 6.205.38.69.in-addr.arpa.: domain name does not exist
[0] 7.205.38.69.in-addr.arpa.: domain name does not exist
[0] 8.205.38.69.in-addr.arpa.: domain name does not exist
[0] 9.205.38.69.in-addr.arpa.: domain name does not exist
[43200] 10.205.38.69.in-addr.arpa. domain name pointer controller1000.admin.colum.edu
[0] 11.205.38.69.in-addr.arpa.: domain name does not exist
[0] 12.205.38.69.in-addr.arpa.: domain name does not exist
[0] 13.205.38.69.in-addr.arpa.: domain name does not exist
[0] 14.205.38.69.in-addr.arpa.: domain name does not exist
[43200] 15.205.38.69.in-addr.arpa. domain name pointer ezrf.colum.edu
[0] 16.205.38.69.in-addr.arpa.: domain name does not exist
[43200] 17.205.38.69.in-addr.arpa. domain name pointer lms2.colum.edu
[0] 18.205.38.69.in-addr.arpa.: domain name does not exist
[0] 19.205.38.69.in-addr.arpa.: domain name does not exist
[43200] 20.205.38.69.in-addr.arpa. domain name pointer nsiam.colum.edu
[0] 21.205.38.69.in-addr.arpa.: domain name does not exist
[0] 22.205.38.69.in-addr.arpa.: domain name does not exist
[43200] 23.205.38.69.in-addr.arpa. domain name pointer imamp2.iam.colum.edu
[0] 24.205.38.69.in-addr.arpa.: domain name does not exist
[43200] 25.205.38.69.in-addr.arpa. domain name pointer students.iam.colum.edu
[43200] 26.205.38.69.in-addr.arpa. domain name pointer nexus.colum.edu
[0] 27.205.38.69.in-addr.arpa.: domain name does not exist
[43200] 28.205.38.69.in-addr.arpa. domain name pointer imamp.colum.edu
[43200] 29.205.38.69.in-addr.arpa. domain name pointer interactive.colum.edu
[43200] 30.205.38.69.in-addr.arpa. domain name pointer iamac.colum.edu
[43200] 31.205.38.69.in-addr.arpa. domain name pointer ccfstream.colum.edu
[0] 32.205.38.69.in-addr.arpa.: domain name does not exist
[0] 33.205.38.69.in-addr.arpa.: domain name does not exist
[43200] 34.205.38.69.in-addr.arpa. domain name pointer construct1.colum.edu
[43200] 35.205.38.69.in-addr.arpa. domain name pointer vpn.iam.colum.edu
[43200] 36.205.38.69.in-addr.arpa. domain name pointer sp.iam.colum.edu
[0] 37.205.38.69.in-addr.arpa.: domain name does not exist
[0] 38.205.38.69.in-addr.arpa.: domain name does not exist
[0] 39.205.38.69.in-addr.arpa.: domain name does not exist
[43200] 40.205.38.69.in-addr.arpa. domain name pointer 916-1000-40.colum.edu
[43200] 41.205.38.69.in-addr.arpa. domain name pointer 916-1000-41.colum.edu
[43200] 42.205.38.69.in-addr.arpa. domain name pointer 916-1000-42.colum.edu
[43200] 43.205.38.69.in-addr.arpa. domain name pointer 916-1000-43.colum.edu
[43200] 44.205.38.69.in-addr.arpa. domain name pointer 916-1000-44.colum.edu
[43200] 45.205.38.69.in-addr.arpa. domain name pointer 916-1000-45.colum.edu
[43200] 46.205.38.69.in-addr.arpa. domain name pointer 916-1000-46.colum.edu
[43200] 47.205.38.69.in-addr.arpa. domain name pointer 916-1000-47.colum.edu
[43200] 48.205.38.69.in-addr.arpa. domain name pointer 916-1000-48.colum.edu
[43200] 49.205.38.69.in-addr.arpa. domain name pointer 916-1000-49.colum.edu
[43200] 50.205.38.69.in-addr.arpa. domain name pointer 916-1000-50.colum.edu
[43200] 51.205.38.69.in-addr.arpa. domain name pointer 916-1000-51.colum.edu
[43200] 52.205.38.69.in-addr.arpa. domain name pointer 916-1000-52.colum.edu
[43200] 53.205.38.69.in-addr.arpa. domain name pointer 916-1000-53.colum.edu
[43200] 54.205.38.69.in-addr.arpa. domain name pointer 916-1000-54.colum.edu
[43200] 55.205.38.69.in-addr.arpa. domain name pointer 916-1000-55.colum.edu
[43200] 56.205.38.69.in-addr.arpa. domain name pointer 916-1000-56.colum.edu
[43200] 57.205.38.69.in-addr.arpa. domain name pointer 916-1000-57.colum.edu
[43200] 58.205.38.69.in-addr.arpa. domain name pointer 916-1000-58.colum.edu
[43200] 59.205.38.69.in-addr.arpa. domain name pointer 916-1000-59.colum.edu
[43200] 60.205.38.69.in-addr.arpa. domain name pointer 916-1000-60.colum.edu
[43200] 61.205.38.69.in-addr.arpa. domain name pointer 916-1000-61.colum.edu
[43200] 62.205.38.69.in-addr.arpa. domain name pointer 916-1000-62.colum.edu
[43200] 63.205.38.69.in-addr.arpa. domain name pointer 916-1000-63.colum.edu
[43200] 64.205.38.69.in-addr.arpa. domain name pointer 916-1000-64.colum.edu
[43200] 65.205.38.69.in-addr.arpa. domain name pointer 916-1000-65.colum.edu
[43200] 66.205.38.69.in-addr.arpa. domain name pointer 916-1000-66.colum.edu
[43200] 67.205.38.69.in-addr.arpa. domain name pointer 916-1000-67.colum.edu
[43200] 68.205.38.69.in-addr.arpa. domain name pointer 916-1000-68.colum.edu
[43200] 69.205.38.69.in-addr.arpa. domain name pointer 916-1000-69.colum.edu
[43200] 70.205.38.69.in-addr.arpa. domain name pointer 916-1000-70.colum.edu
[43200] 71.205.38.69.in-addr.arpa. domain name pointer 916-1000-71.colum.edu
[43200] 72.205.38.69.in-addr.arpa. domain name pointer 916-1000-72.colum.edu
[43200] 73.205.38.69.in-addr.arpa. domain name pointer 916-1000-73.colum.edu
[43200] 74.205.38.69.in-addr.arpa. domain name pointer 916-1000-74.colum.edu
[43200] 75.205.38.69.in-addr.arpa. domain name pointer 916-1000-75.colum.edu
[43200] 76.205.38.69.in-addr.arpa. domain name pointer 916-1000-76.colum.edu
[43200] 77.205.38.69.in-addr.arpa. domain name pointer 916-1000-77.colum.edu
[43200] 78.205.38.69.in-addr.arpa. domain name pointer 916-1000-78.colum.edu
[43200] 79.205.38.69.in-addr.arpa. domain name pointer 916-1000-79.colum.edu
[43200] 80.205.38.69.in-addr.arpa. domain name pointer 916-1000-80.colum.edu
[43200] 81.205.38.69.in-addr.arpa. domain name pointer 916-1000-81.colum.edu
[43200] 82.205.38.69.in-addr.arpa. domain name pointer 916-1000-82.colum.edu
[43200] 83.205.38.69.in-addr.arpa. domain name pointer 916-1000-83.colum.edu
[43200] 84.205.38.69.in-addr.arpa. domain name pointer 916-1000-84.colum.edu
[43200] 85.205.38.69.in-addr.arpa. domain name pointer 916-1000-85.colum.edu
[43200] 86.205.38.69.in-addr.arpa. domain name pointer 916-1000-86.colum.edu
[43200] 87.205.38.69.in-addr.arpa. domain name pointer 916-1000-87.colum.edu
[43200] 88.205.38.69.in-addr.arpa. domain name pointer 916-1000-88.colum.edu
[43200] 89.205.38.69.in-addr.arpa. domain name pointer 916-1000-89.colum.edu
[43200] 90.205.38.69.in-addr.arpa. domain name pointer 916-1000-90.colum.edu
[43200] 91.205.38.69.in-addr.arpa. domain name pointer 916-1000-91.colum.edu
[43200] 92.205.38.69.in-addr.arpa. domain name pointer 916-1000-92.colum.edu
[43200] 93.205.38.69.in-addr.arpa. domain name pointer 916-1000-93.colum.edu
[43200] 94.205.38.69.in-addr.arpa. domain name pointer 916-1000-94.colum.edu
[43200] 95.205.38.69.in-addr.arpa. domain name pointer 916-1000-95.colum.edu
[43200] 96.205.38.69.in-addr.arpa. domain name pointer 916-1000-96.colum.edu
[43200] 97.205.38.69.in-addr.arpa. domain name pointer 916-1000-97.colum.edu
[43200] 98.205.38.69.in-addr.arpa. domain name pointer 916-1000-98.colum.edu
[43200] 99.205.38.69.in-addr.arpa. domain name pointer 916-1000-99.colum.edu
[43200] 100.205.38.69.in-addr.arpa. domain name pointer 916-1000-100.colum.edu
[43200] 101.205.38.69.in-addr.arpa. domain name pointer 916-1000-101.colum.edu
[43200] 102.205.38.69.in-addr.arpa. domain name pointer 916-1000-102.colum.edu
[43200] 103.205.38.69.in-addr.arpa. domain name pointer 916-1000-103.colum.edu
[43200] 104.205.38.69.in-addr.arpa. domain name pointer 916-1000-104.colum.edu
[43200] 105.205.38.69.in-addr.arpa. domain name pointer 916-1000-105.colum.edu
[43200] 106.205.38.69.in-addr.arpa. domain name pointer 916-1000-106.colum.edu
[43200] 107.205.38.69.in-addr.arpa. domain name pointer 916-1000-107.colum.edu
[43200] 108.205.38.69.in-addr.arpa. domain name pointer 916-1000-108.colum.edu
[43200] 109.205.38.69.in-addr.arpa. domain name pointer 916-1000-109.colum.edu
[43200] 110.205.38.69.in-addr.arpa. domain name pointer 916-1000-110.colum.edu
[43200] 111.205.38.69.in-addr.arpa. domain name pointer 916-1000-111.colum.edu
[43200] 112.205.38.69.in-addr.arpa. domain name pointer 916-1000-112.colum.edu
[43200] 113.205.38.69.in-addr.arpa. domain name pointer 916-1000-113.colum.edu
[43200] 114.205.38.69.in-addr.arpa. domain name pointer 916-1000-114.colum.edu
[43200] 115.205.38.69.in-addr.arpa. domain name pointer 916-1000-115.colum.edu
[43200] 116.205.38.69.in-addr.arpa. domain name pointer 916-1000-116.colum.edu
[43200] 117.205.38.69.in-addr.arpa. domain name pointer 916-1000-117.colum.edu
[43200] 118.205.38.69.in-addr.arpa. domain name pointer 916-1000-118.colum.edu
[43200] 119.205.38.69.in-addr.arpa. domain name pointer 916-1000-119.colum.edu
[43200] 120.205.38.69.in-addr.arpa. domain name pointer 916-1000-120.colum.edu
[43200] 121.205.38.69.in-addr.arpa. domain name pointer 916-1000-121.colum.edu
[43200] 122.205.38.69.in-addr.arpa. domain name pointer 916-1000-122.colum.edu
[43200] 123.205.38.69.in-addr.arpa. domain name pointer 916-1000-123.colum.edu
[43200] 124.205.38.69.in-addr.arpa. domain name pointer 916-1000-124.colum.edu
[43200] 125.205.38.69.in-addr.arpa. domain name pointer 916-1000-125.colum.edu
[43200] 126.205.38.69.in-addr.arpa. domain name pointer 916-1000-126.colum.edu
[43200] 127.205.38.69.in-addr.arpa. domain name pointer 916-1000-127.colum.edu
[43200] 128.205.38.69.in-addr.arpa. domain name pointer 916-1000-128.colum.edu
[43200] 129.205.38.69.in-addr.arpa. domain name pointer 916-1000-129.colum.edu
[43200] 130.205.38.69.in-addr.arpa. domain name pointer 916-1000-130.colum.edu
[43200] 131.205.38.69.in-addr.arpa. domain name pointer 916-1000-131.colum.edu
[43200] 132.205.38.69.in-addr.arpa. domain name pointer 916-1000-132.colum.edu
[43200] 133.205.38.69.in-addr.arpa. domain name pointer 916-1000-133.colum.edu
[43200] 134.205.38.69.in-addr.arpa. domain name pointer 916-1000-134.colum.edu
[43200] 135.205.38.69.in-addr.arpa. domain name pointer 916-1000-135.colum.edu
[43200] 136.205.38.69.in-addr.arpa. domain name pointer 916-1000-136.colum.edu
[43200] 137.205.38.69.in-addr.arpa. domain name pointer 916-1000-137.colum.edu
[43200] 138.205.38.69.in-addr.arpa. domain name pointer 916-1000-138.colum.edu
[43200] 139.205.38.69.in-addr.arpa. domain name pointer 916-1000-139.colum.edu
[43200] 140.205.38.69.in-addr.arpa. domain name pointer 916-1000-140.colum.edu
[43200] 141.205.38.69.in-addr.arpa. domain name pointer 916-1000-141.colum.edu
[43200] 142.205.38.69.in-addr.arpa. domain name pointer 916-1000-142.colum.edu
[43200] 143.205.38.69.in-addr.arpa. domain name pointer 916-1000-143.colum.edu
[43200] 144.205.38.69.in-addr.arpa. domain name pointer 916-1000-144.colum.edu
[43200] 145.205.38.69.in-addr.arpa. domain name pointer 916-1000-145.colum.edu
[43200] 146.205.38.69.in-addr.arpa. domain name pointer 916-1000-146.colum.edu
[43200] 147.205.38.69.in-addr.arpa. domain name pointer 916-1000-147.colum.edu
[43200] 148.205.38.69.in-addr.arpa. domain name pointer 916-1000-148.colum.edu
[43200] 149.205.38.69.in-addr.arpa. domain name pointer 916-1000-149.colum.edu
[43200] 150.205.38.69.in-addr.arpa. domain name pointer 916-1000-150.colum.edu
[43200] 151.205.38.69.in-addr.arpa. domain name pointer 916-1000-151.colum.edu
[43200] 152.205.38.69.in-addr.arpa. domain name pointer 916-1000-152.colum.edu
[43200] 153.205.38.69.in-addr.arpa. domain name pointer 916-1000-153.colum.edu
[43200] 154.205.38.69.in-addr.arpa. domain name pointer 916-1000-154.colum.edu
[43200] 155.205.38.69.in-addr.arpa. domain name pointer 916-1000-155.colum.edu
[43200] 156.205.38.69.in-addr.arpa. domain name pointer 916-1000-156.colum.edu
[43200] 157.205.38.69.in-addr.arpa. domain name pointer 916-1000-157.colum.edu
[43200] 158.205.38.69.in-addr.arpa. domain name pointer 916-1000-158.colum.edu
[43200] 159.205.38.69.in-addr.arpa. domain name pointer 916-1000-159.colum.edu
[43200] 160.205.38.69.in-addr.arpa. domain name pointer 916-1000-160.colum.edu
[43200] 161.205.38.69.in-addr.arpa. domain name pointer 916-1000-161.colum.edu
[43200] 162.205.38.69.in-addr.arpa. domain name pointer 916-1000-162.colum.edu
[43200] 163.205.38.69.in-addr.arpa. domain name pointer 916-1000-163.colum.edu
[43200] 164.205.38.69.in-addr.arpa. domain name pointer 916-1000-164.colum.edu
[43200] 165.205.38.69.in-addr.arpa. domain name pointer 916-1000-165.colum.edu
[43200] 166.205.38.69.in-addr.arpa. domain name pointer 916-1000-166.colum.edu
[43200] 167.205.38.69.in-addr.arpa. domain name pointer 916-1000-167.colum.edu
[43200] 168.205.38.69.in-addr.arpa. domain name pointer 916-1000-168.colum.edu
[43200] 169.205.38.69.in-addr.arpa. domain name pointer 916-1000-169.colum.edu
[43200] 170.205.38.69.in-addr.arpa. domain name pointer 916-1000-170.colum.edu
[43200] 171.205.38.69.in-addr.arpa. domain name pointer 916-1000-171.colum.edu
[43200] 172.205.38.69.in-addr.arpa. domain name pointer 916-1000-172.colum.edu
[43200] 173.205.38.69.in-addr.arpa. domain name pointer 916-1000-173.colum.edu
[43200] 174.205.38.69.in-addr.arpa. domain name pointer 916-1000-174.colum.edu
[43200] 175.205.38.69.in-addr.arpa. domain name pointer 916-1000-175.colum.edu
[43200] 176.205.38.69.in-addr.arpa. domain name pointer 916-1000-176.colum.edu
[43200] 177.205.38.69.in-addr.arpa. domain name pointer 916-1000-177.colum.edu
[43200] 178.205.38.69.in-addr.arpa. domain name pointer 916-1000-178.colum.edu
[43200] 179.205.38.69.in-addr.arpa. domain name pointer 916-1000-179.colum.edu
[43200] 180.205.38.69.in-addr.arpa. domain name pointer 916-1000-180.colum.edu
[43200] 181.205.38.69.in-addr.arpa. domain name pointer 916-1000-181.colum.edu
[43200] 182.205.38.69.in-addr.arpa. domain name pointer 916-1000-182.colum.edu
[43200] 183.205.38.69.in-addr.arpa. domain name pointer 916-1000-183.colum.edu
[43200] 184.205.38.69.in-addr.arpa. domain name pointer 916-1000-184.colum.edu
[43200] 185.205.38.69.in-addr.arpa. domain name pointer 916-1000-185.colum.edu
[43200] 186.205.38.69.in-addr.arpa. domain name pointer 916-1000-186.colum.edu
[43200] 187.205.38.69.in-addr.arpa. domain name pointer 916-1000-187.colum.edu
[43200] 188.205.38.69.in-addr.arpa. domain name pointer 916-1000-188.colum.edu
[43200] 189.205.38.69.in-addr.arpa. domain name pointer 916-1000-189.colum.edu
[43200] 190.205.38.69.in-addr.arpa. domain name pointer 916-1000-190.colum.edu
[43200] 191.205.38.69.in-addr.arpa. domain name pointer 916-1000-191.colum.edu
[43200] 192.205.38.69.in-addr.arpa. domain name pointer 916-1000-192.colum.edu
[43200] 193.205.38.69.in-addr.arpa. domain name pointer 916-1000-193.colum.edu
[43200] 194.205.38.69.in-addr.arpa. domain name pointer 916-1000-194.colum.edu
[43200] 195.205.38.69.in-addr.arpa. domain name pointer 916-1000-195.colum.edu
[43200] 196.205.38.69.in-addr.arpa. domain name pointer 916-1000-196.colum.edu
[43200] 197.205.38.69.in-addr.arpa. domain name pointer 916-1000-197.colum.edu
[43200] 198.205.38.69.in-addr.arpa. domain name pointer 916-1000-198.colum.edu
[43200] 199.205.38.69.in-addr.arpa. domain name pointer 916-1000-199.colum.edu
[43200] 200.205.38.69.in-addr.arpa. domain name pointer 916-1000-200.colum.edu
[43200] 201.205.38.69.in-addr.arpa. domain name pointer 916-1000-201.colum.edu
[43200] 202.205.38.69.in-addr.arpa. domain name pointer 916-1000-202.colum.edu
[43200] 203.205.38.69.in-addr.arpa. domain name pointer 916-1000-203.colum.edu
[43200] 204.205.38.69.in-addr.arpa. domain name pointer 916-1000-204.colum.edu
[43200] 205.205.38.69.in-addr.arpa. domain name pointer 916-1000-205.colum.edu
[43200] 206.205.38.69.in-addr.arpa. domain name pointer 916-1000-206.colum.edu
[43200] 207.205.38.69.in-addr.arpa. domain name pointer 916-1000-207.colum.edu
[43200] 208.205.38.69.in-addr.arpa. domain name pointer 916-1000-208.colum.edu
[43200] 209.205.38.69.in-addr.arpa. domain name pointer 916-1000-209.colum.edu
[43200] 210.205.38.69.in-addr.arpa. domain name pointer 916-1000-210.colum.edu
[43200] 211.205.38.69.in-addr.arpa. domain name pointer 916-1000-211.colum.edu
[43200] 212.205.38.69.in-addr.arpa. domain name pointer 916-1000-212.colum.edu
[43200] 213.205.38.69.in-addr.arpa. domain name pointer 916-1000-213.colum.edu
[43200] 214.205.38.69.in-addr.arpa. domain name pointer 916-1000-214.colum.edu
[43200] 215.205.38.69.in-addr.arpa. domain name pointer 916-1000-215.colum.edu
[43200] 216.205.38.69.in-addr.arpa. domain name pointer 916-1000-216.colum.edu
[43200] 217.205.38.69.in-addr.arpa. domain name pointer 916-1000-217.colum.edu
[43200] 218.205.38.69.in-addr.arpa. domain name pointer 916-1000-218.colum.edu
[43200] 219.205.38.69.in-addr.arpa. domain name pointer 916-1000-219.colum.edu
[43200] 220.205.38.69.in-addr.arpa. domain name pointer 916-1000-220.colum.edu
[43200] 221.205.38.69.in-addr.arpa. domain name pointer 916-1000-221.colum.edu
[43200] 222.205.38.69.in-addr.arpa. domain name pointer 916-1000-222.colum.edu
[43200] 223.205.38.69.in-addr.arpa. domain name pointer 916-1000-223.colum.edu
[43200] 224.205.38.69.in-addr.arpa. domain name pointer 916-1000-224.colum.edu
[43200] 225.205.38.69.in-addr.arpa. domain name pointer 916-1000-225.colum.edu
[43200] 226.205.38.69.in-addr.arpa. domain name pointer 916-1000-226.colum.edu
[43200] 227.205.38.69.in-addr.arpa. domain name pointer 916-1000-227.colum.edu
[43200] 228.205.38.69.in-addr.arpa. domain name pointer 916-1000-228.colum.edu
[43200] 229.205.38.69.in-addr.arpa. domain name pointer 916-1000-229.colum.edu
[43200] 230.205.38.69.in-addr.arpa. domain name pointer 916-1000-230.colum.edu
[43200] 231.205.38.69.in-addr.arpa. domain name pointer ex2010.colum.edu
[43200] 232.205.38.69.in-addr.arpa. domain name pointer 916-1000-232.colum.edu
[43200] 233.205.38.69.in-addr.arpa. domain name pointer 916-1000-233.colum.edu
[43200] 234.205.38.69.in-addr.arpa. domain name pointer 916-1000-234.colum.edu
[43200] 235.205.38.69.in-addr.arpa. domain name pointer 916-1000-235.colum.edu
[43200] 236.205.38.69.in-addr.arpa. domain name pointer 916-1000-236.colum.edu
[43200] 237.205.38.69.in-addr.arpa. domain name pointer 916-1000-237.colum.edu
[43200] 238.205.38.69.in-addr.arpa. domain name pointer 916-1000-238.colum.edu
[43200] 239.205.38.69.in-addr.arpa. domain name pointer 916-1000-239.colum.edu
[43200] 240.205.38.69.in-addr.arpa. domain name pointer 916-1000-240.colum.edu
[43200] 241.205.38.69.in-addr.arpa. domain name pointer 916-1000-241.colum.edu
[43200] 242.205.38.69.in-addr.arpa. domain name pointer 916-1000-242.colum.edu
[43200] 243.205.38.69.in-addr.arpa. domain name pointer 916-1000-243.colum.edu
[43200] 244.205.38.69.in-addr.arpa. domain name pointer 916-1000-244.colum.edu
[43200] 245.205.38.69.in-addr.arpa. domain name pointer 916-1000-245.colum.edu
[43200] 246.205.38.69.in-addr.arpa. domain name pointer 916-1000-246.colum.edu
[43200] 247.205.38.69.in-addr.arpa. domain name pointer 916-1000-247.colum.edu
[43200] 248.205.38.69.in-addr.arpa. domain name pointer 916-1000-248.colum.edu
[43200] 249.205.38.69.in-addr.arpa. domain name pointer 916-1000-249.colum.edu
[43200] 250.205.38.69.in-addr.arpa. domain name pointer 916-1000-250.colum.edu
[43200] 251.205.38.69.in-addr.arpa. domain name pointer 916-1000-251.colum.edu
[43200] 252.205.38.69.in-addr.arpa. domain name pointer 916-1000-252.colum.edu
[43200] 253.205.38.69.in-addr.arpa. domain name pointer 916-1000-253.colum.edu
[43200] 254.205.38.69.in-addr.arpa. domain name pointer 916-1000-254.colum.edu
[0] 255.205.38.69.in-addr.arpa.: domain name does not exist