[0] 0.12.189.18.in-addr.arpa.: domain name does not exist
[0] 1.12.189.18.in-addr.arpa.: domain name does not exist
[0] 2.12.189.18.in-addr.arpa.: domain name does not exist
[0] 3.12.189.18.in-addr.arpa.: domain name does not exist
[0] 4.12.189.18.in-addr.arpa.: domain name does not exist
[60] 5.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-5.dyn.mit.edu
[60] 6.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-6.dyn.mit.edu
[60] 7.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-7.dyn.mit.edu
[60] 8.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-8.dyn.mit.edu
[60] 9.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-9.dyn.mit.edu
[60] 10.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-10.dyn.mit.edu
[0] 11.12.189.18.in-addr.arpa.: domain name does not exist
[0] 12.12.189.18.in-addr.arpa.: domain name does not exist
[60] 13.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-13.dyn.mit.edu
[0] 14.12.189.18.in-addr.arpa.: domain name does not exist
[60] 15.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-15.dyn.mit.edu
[60] 16.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-16.dyn.mit.edu
[60] 17.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-17.dyn.mit.edu
[60] 18.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-18.dyn.mit.edu
[60] 19.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-19.dyn.mit.edu
[0] 20.12.189.18.in-addr.arpa.: domain name does not exist
[60] 21.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-21.dyn.mit.edu
[60] 22.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-22.dyn.mit.edu
[60] 23.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-23.dyn.mit.edu
[0] 24.12.189.18.in-addr.arpa.: domain name does not exist
[0] 25.12.189.18.in-addr.arpa.: domain name does not exist
[0] 26.12.189.18.in-addr.arpa.: domain name does not exist
[60] 27.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-27.dyn.mit.edu
[60] 28.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-28.dyn.mit.edu
[60] 29.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-29.dyn.mit.edu
[60] 30.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-30.dyn.mit.edu
[60] 31.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-31.dyn.mit.edu
[60] 32.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-32.dyn.mit.edu
[60] 33.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-33.dyn.mit.edu
[60] 34.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-34.dyn.mit.edu
[60] 35.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-35.dyn.mit.edu
[60] 36.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-36.dyn.mit.edu
[0] 37.12.189.18.in-addr.arpa.: domain name does not exist
[0] 38.12.189.18.in-addr.arpa.: domain name does not exist
[0] 39.12.189.18.in-addr.arpa.: domain name does not exist
[60] 40.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-40.dyn.mit.edu
[60] 41.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-41.dyn.mit.edu
[0] 42.12.189.18.in-addr.arpa.: domain name does not exist
[60] 43.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-43.dyn.mit.edu
[60] 44.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-44.dyn.mit.edu
[60] 45.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-45.dyn.mit.edu
[0] 46.12.189.18.in-addr.arpa.: domain name does not exist
[60] 47.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-47.dyn.mit.edu
[0] 48.12.189.18.in-addr.arpa.: domain name does not exist
[0] 49.12.189.18.in-addr.arpa.: domain name does not exist
[60] 50.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-50.dyn.mit.edu
[60] 51.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-51.dyn.mit.edu
[60] 52.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-52.dyn.mit.edu
[60] 53.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-53.dyn.mit.edu
[60] 54.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-54.dyn.mit.edu
[0] 55.12.189.18.in-addr.arpa.: domain name does not exist
[60] 56.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-56.dyn.mit.edu
[60] 57.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-57.dyn.mit.edu
[60] 58.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-58.dyn.mit.edu
[0] 59.12.189.18.in-addr.arpa.: domain name does not exist
[60] 60.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-60.dyn.mit.edu
[0] 61.12.189.18.in-addr.arpa.: domain name does not exist
[60] 62.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-62.dyn.mit.edu
[60] 63.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-63.dyn.mit.edu
[0] 64.12.189.18.in-addr.arpa.: domain name does not exist
[60] 65.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-65.dyn.mit.edu
[60] 66.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-66.dyn.mit.edu
[60] 67.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-67.dyn.mit.edu
[60] 68.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-68.dyn.mit.edu
[60] 69.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-69.dyn.mit.edu
[60] 70.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-70.dyn.mit.edu
[0] 71.12.189.18.in-addr.arpa.: domain name does not exist
[60] 72.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-72.dyn.mit.edu
[60] 73.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-73.dyn.mit.edu
[0] 74.12.189.18.in-addr.arpa.: domain name does not exist
[60] 75.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-75.dyn.mit.edu
[0] 76.12.189.18.in-addr.arpa.: domain name does not exist
[60] 77.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-77.dyn.mit.edu
[60] 78.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-78.dyn.mit.edu
[60] 79.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-79.dyn.mit.edu
[60] 80.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-80.dyn.mit.edu
[0] 81.12.189.18.in-addr.arpa.: domain name does not exist
[60] 82.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-82.dyn.mit.edu
[60] 83.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-83.dyn.mit.edu
[0] 84.12.189.18.in-addr.arpa.: domain name does not exist
[60] 85.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-85.dyn.mit.edu
[0] 86.12.189.18.in-addr.arpa.: domain name does not exist
[60] 87.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-87.dyn.mit.edu
[0] 88.12.189.18.in-addr.arpa.: domain name does not exist
[60] 89.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-89.dyn.mit.edu
[0] 90.12.189.18.in-addr.arpa.: domain name does not exist
[60] 91.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-91.dyn.mit.edu
[0] 92.12.189.18.in-addr.arpa.: domain name does not exist
[60] 93.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-93.dyn.mit.edu
[0] 94.12.189.18.in-addr.arpa.: domain name does not exist
[0] 95.12.189.18.in-addr.arpa.: domain name does not exist
[0] 96.12.189.18.in-addr.arpa.: domain name does not exist
[0] 97.12.189.18.in-addr.arpa.: domain name does not exist
[60] 98.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-98.dyn.mit.edu
[60] 99.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-99.dyn.mit.edu
[0] 100.12.189.18.in-addr.arpa.: domain name does not exist
[0] 101.12.189.18.in-addr.arpa.: domain name does not exist
[60] 102.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-102.dyn.mit.edu
[60] 103.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-103.dyn.mit.edu
[60] 104.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-104.dyn.mit.edu
[60] 105.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-105.dyn.mit.edu
[60] 106.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-106.dyn.mit.edu
[0] 107.12.189.18.in-addr.arpa.: domain name does not exist
[60] 108.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-108.dyn.mit.edu
[60] 109.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-109.dyn.mit.edu
[0] 110.12.189.18.in-addr.arpa.: domain name does not exist
[0] 111.12.189.18.in-addr.arpa.: domain name does not exist
[0] 112.12.189.18.in-addr.arpa.: domain name does not exist
[0] 113.12.189.18.in-addr.arpa.: domain name does not exist
[0] 114.12.189.18.in-addr.arpa.: domain name does not exist
[0] 115.12.189.18.in-addr.arpa.: domain name does not exist
[0] 116.12.189.18.in-addr.arpa.: domain name does not exist
[60] 117.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-117.dyn.mit.edu
[0] 118.12.189.18.in-addr.arpa.: domain name does not exist
[60] 119.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-119.dyn.mit.edu
[0] 120.12.189.18.in-addr.arpa.: domain name does not exist
[60] 121.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-121.dyn.mit.edu
[60] 122.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-122.dyn.mit.edu
[60] 123.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-123.dyn.mit.edu
[60] 124.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-124.dyn.mit.edu
[60] 125.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-125.dyn.mit.edu
[0] 126.12.189.18.in-addr.arpa.: domain name does not exist
[0] 127.12.189.18.in-addr.arpa.: domain name does not exist
[0] 128.12.189.18.in-addr.arpa.: domain name does not exist
[60] 129.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-129.dyn.mit.edu
[0] 130.12.189.18.in-addr.arpa.: domain name does not exist
[60] 131.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-131.dyn.mit.edu
[60] 132.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-132.dyn.mit.edu
[0] 133.12.189.18.in-addr.arpa.: domain name does not exist
[0] 134.12.189.18.in-addr.arpa.: domain name does not exist
[60] 135.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-135.dyn.mit.edu
[60] 136.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-136.dyn.mit.edu
[0] 137.12.189.18.in-addr.arpa.: domain name does not exist
[0] 138.12.189.18.in-addr.arpa.: domain name does not exist
[60] 139.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-139.dyn.mit.edu
[60] 140.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-140.dyn.mit.edu
[0] 141.12.189.18.in-addr.arpa.: domain name does not exist
[60] 142.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-142.dyn.mit.edu
[60] 143.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-143.dyn.mit.edu
[0] 144.12.189.18.in-addr.arpa.: domain name does not exist
[0] 145.12.189.18.in-addr.arpa.: domain name does not exist
[0] 146.12.189.18.in-addr.arpa.: domain name does not exist
[0] 147.12.189.18.in-addr.arpa.: domain name does not exist
[60] 148.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-148.dyn.mit.edu
[60] 149.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-149.dyn.mit.edu
[60] 150.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-150.dyn.mit.edu
[60] 151.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-151.dyn.mit.edu
[0] 152.12.189.18.in-addr.arpa.: domain name does not exist
[0] 153.12.189.18.in-addr.arpa.: domain name does not exist
[60] 154.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-154.dyn.mit.edu
[0] 155.12.189.18.in-addr.arpa.: domain name does not exist
[60] 156.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-156.dyn.mit.edu
[60] 157.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-157.dyn.mit.edu
[0] 158.12.189.18.in-addr.arpa.: domain name does not exist
[0] 159.12.189.18.in-addr.arpa.: domain name does not exist
[0] 160.12.189.18.in-addr.arpa.: domain name does not exist
[60] 161.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-161.dyn.mit.edu
[0] 162.12.189.18.in-addr.arpa.: domain name does not exist
[60] 163.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-163.dyn.mit.edu
[60] 164.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-164.dyn.mit.edu
[60] 165.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-165.dyn.mit.edu
[60] 166.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-166.dyn.mit.edu
[60] 167.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-167.dyn.mit.edu
[60] 168.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-168.dyn.mit.edu
[0] 169.12.189.18.in-addr.arpa.: domain name does not exist
[0] 170.12.189.18.in-addr.arpa.: domain name does not exist
[0] 171.12.189.18.in-addr.arpa.: domain name does not exist
[0] 172.12.189.18.in-addr.arpa.: domain name does not exist
[0] 173.12.189.18.in-addr.arpa.: domain name does not exist
[0] 174.12.189.18.in-addr.arpa.: domain name does not exist
[60] 175.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-175.dyn.mit.edu
[60] 176.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-176.dyn.mit.edu
[60] 177.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-177.dyn.mit.edu
[0] 178.12.189.18.in-addr.arpa.: domain name does not exist
[0] 179.12.189.18.in-addr.arpa.: domain name does not exist
[0] 180.12.189.18.in-addr.arpa.: domain name does not exist
[60] 181.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-181.dyn.mit.edu
[0] 182.12.189.18.in-addr.arpa.: domain name does not exist
[60] 183.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-183.dyn.mit.edu
[0] 184.12.189.18.in-addr.arpa.: domain name does not exist
[60] 185.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-185.dyn.mit.edu
[60] 186.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-186.dyn.mit.edu
[0] 187.12.189.18.in-addr.arpa.: domain name does not exist
[60] 188.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-188.dyn.mit.edu
[60] 189.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-189.dyn.mit.edu
[0] 190.12.189.18.in-addr.arpa.: domain name does not exist
[0] 191.12.189.18.in-addr.arpa.: domain name does not exist
[60] 192.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-192.dyn.mit.edu
[0] 193.12.189.18.in-addr.arpa.: domain name does not exist
[0] 194.12.189.18.in-addr.arpa.: domain name does not exist
[60] 195.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-195.dyn.mit.edu
[60] 196.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-196.dyn.mit.edu
[0] 197.12.189.18.in-addr.arpa.: domain name does not exist
[0] 198.12.189.18.in-addr.arpa.: domain name does not exist
[0] 199.12.189.18.in-addr.arpa.: domain name does not exist
[60] 200.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-200.dyn.mit.edu
[60] 201.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-201.dyn.mit.edu
[0] 202.12.189.18.in-addr.arpa.: domain name does not exist
[0] 203.12.189.18.in-addr.arpa.: domain name does not exist
[60] 204.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-204.dyn.mit.edu
[60] 205.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-205.dyn.mit.edu
[60] 206.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-206.dyn.mit.edu
[0] 207.12.189.18.in-addr.arpa.: domain name does not exist
[0] 208.12.189.18.in-addr.arpa.: domain name does not exist
[60] 209.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-209.dyn.mit.edu
[60] 210.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-210.dyn.mit.edu
[60] 211.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-211.dyn.mit.edu
[60] 212.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-212.dyn.mit.edu
[60] 213.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-213.dyn.mit.edu
[60] 214.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-214.dyn.mit.edu
[60] 215.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-215.dyn.mit.edu
[60] 216.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-216.dyn.mit.edu
[0] 217.12.189.18.in-addr.arpa.: domain name does not exist
[0] 218.12.189.18.in-addr.arpa.: domain name does not exist
[60] 219.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-219.dyn.mit.edu
[0] 220.12.189.18.in-addr.arpa.: domain name does not exist
[60] 221.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-221.dyn.mit.edu
[0] 222.12.189.18.in-addr.arpa.: domain name does not exist
[0] 223.12.189.18.in-addr.arpa.: domain name does not exist
[60] 224.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-224.dyn.mit.edu
[60] 225.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-225.dyn.mit.edu
[60] 226.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-226.dyn.mit.edu
[60] 227.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-227.dyn.mit.edu
[60] 228.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-228.dyn.mit.edu
[60] 229.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-229.dyn.mit.edu
[0] 230.12.189.18.in-addr.arpa.: domain name does not exist
[60] 231.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-231.dyn.mit.edu
[60] 232.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-232.dyn.mit.edu
[0] 233.12.189.18.in-addr.arpa.: domain name does not exist
[60] 234.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-234.dyn.mit.edu
[0] 235.12.189.18.in-addr.arpa.: domain name does not exist
[0] 236.12.189.18.in-addr.arpa.: domain name does not exist
[60] 237.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-237.dyn.mit.edu
[60] 238.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-238.dyn.mit.edu
[0] 239.12.189.18.in-addr.arpa.: domain name does not exist
[60] 240.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-240.dyn.mit.edu
[0] 241.12.189.18.in-addr.arpa.: domain name does not exist
[60] 242.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-242.dyn.mit.edu
[60] 243.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-243.dyn.mit.edu
[60] 244.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-244.dyn.mit.edu
[0] 245.12.189.18.in-addr.arpa.: domain name does not exist
[60] 246.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-246.dyn.mit.edu
[60] 247.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-247.dyn.mit.edu
[0] 248.12.189.18.in-addr.arpa.: domain name does not exist
[60] 249.12.189.18.in-addr.arpa. domain name pointer dhcp-18-189-12-249.dyn.mit.edu
[0] 250.12.189.18.in-addr.arpa.: domain name does not exist
[0] 251.12.189.18.in-addr.arpa.: domain name does not exist
[0] 252.12.189.18.in-addr.arpa.: domain name does not exist
[0] 253.12.189.18.in-addr.arpa.: domain name does not exist
[0] 254.12.189.18.in-addr.arpa.: domain name does not exist
[0] 255.12.189.18.in-addr.arpa.: domain name does not exist