[0] 0.103.189.18.in-addr.arpa.: domain name does not exist
[0] 1.103.189.18.in-addr.arpa.: domain name does not exist
[0] 2.103.189.18.in-addr.arpa.: domain name does not exist
[0] 3.103.189.18.in-addr.arpa.: domain name does not exist
[0] 4.103.189.18.in-addr.arpa.: domain name does not exist
[0] 5.103.189.18.in-addr.arpa.: domain name does not exist
[60] 6.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-6.dyn.mit.edu
[60] 7.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-7.dyn.mit.edu
[0] 8.103.189.18.in-addr.arpa.: domain name does not exist
[0] 9.103.189.18.in-addr.arpa.: domain name does not exist
[60] 10.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-10.dyn.mit.edu
[60] 11.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-11.dyn.mit.edu
[0] 12.103.189.18.in-addr.arpa.: domain name does not exist
[60] 13.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-13.dyn.mit.edu
[60] 14.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-14.dyn.mit.edu
[0] 15.103.189.18.in-addr.arpa.: domain name does not exist
[60] 16.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-16.dyn.mit.edu
[0] 17.103.189.18.in-addr.arpa.: domain name does not exist
[60] 18.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-18.dyn.mit.edu
[60] 19.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-19.dyn.mit.edu
[0] 20.103.189.18.in-addr.arpa.: domain name does not exist
[60] 21.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-21.dyn.mit.edu
[60] 22.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-22.dyn.mit.edu
[60] 23.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-23.dyn.mit.edu
[0] 24.103.189.18.in-addr.arpa.: domain name does not exist
[60] 25.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-25.dyn.mit.edu
[0] 26.103.189.18.in-addr.arpa.: domain name does not exist
[0] 27.103.189.18.in-addr.arpa.: domain name does not exist
[60] 28.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-28.dyn.mit.edu
[0] 29.103.189.18.in-addr.arpa.: domain name does not exist
[60] 30.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-30.dyn.mit.edu
[60] 31.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-31.dyn.mit.edu
[60] 32.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-32.dyn.mit.edu
[0] 33.103.189.18.in-addr.arpa.: domain name does not exist
[60] 34.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-34.dyn.mit.edu
[0] 35.103.189.18.in-addr.arpa.: domain name does not exist
[0] 36.103.189.18.in-addr.arpa.: domain name does not exist
[0] 37.103.189.18.in-addr.arpa.: domain name does not exist
[0] 38.103.189.18.in-addr.arpa.: domain name does not exist
[60] 39.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-39.dyn.mit.edu
[0] 40.103.189.18.in-addr.arpa.: domain name does not exist
[60] 41.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-41.dyn.mit.edu
[0] 42.103.189.18.in-addr.arpa.: domain name does not exist
[60] 43.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-43.dyn.mit.edu
[0] 44.103.189.18.in-addr.arpa.: domain name does not exist
[60] 45.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-45.dyn.mit.edu
[60] 46.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-46.dyn.mit.edu
[0] 47.103.189.18.in-addr.arpa.: domain name does not exist
[60] 48.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-48.dyn.mit.edu
[0] 49.103.189.18.in-addr.arpa.: domain name does not exist
[0] 50.103.189.18.in-addr.arpa.: domain name does not exist
[0] 51.103.189.18.in-addr.arpa.: domain name does not exist
[60] 52.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-52.dyn.mit.edu
[60] 53.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-53.dyn.mit.edu
[60] 54.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-54.dyn.mit.edu
[60] 55.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-55.dyn.mit.edu
[60] 56.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-56.dyn.mit.edu
[0] 57.103.189.18.in-addr.arpa.: domain name does not exist
[60] 58.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-58.dyn.mit.edu
[0] 59.103.189.18.in-addr.arpa.: domain name does not exist
[0] 60.103.189.18.in-addr.arpa.: domain name does not exist
[60] 61.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-61.dyn.mit.edu
[60] 62.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-62.dyn.mit.edu
[60] 63.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-63.dyn.mit.edu
[60] 64.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-64.dyn.mit.edu
[60] 65.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-65.dyn.mit.edu
[60] 66.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-66.dyn.mit.edu
[0] 67.103.189.18.in-addr.arpa.: domain name does not exist
[0] 68.103.189.18.in-addr.arpa.: domain name does not exist
[0] 69.103.189.18.in-addr.arpa.: domain name does not exist
[60] 70.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-70.dyn.mit.edu
[60] 71.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-71.dyn.mit.edu
[0] 72.103.189.18.in-addr.arpa.: domain name does not exist
[60] 73.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-73.dyn.mit.edu
[0] 74.103.189.18.in-addr.arpa.: domain name does not exist
[60] 75.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-75.dyn.mit.edu
[60] 76.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-76.dyn.mit.edu
[60] 77.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-77.dyn.mit.edu
[60] 78.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-78.dyn.mit.edu
[0] 79.103.189.18.in-addr.arpa.: domain name does not exist
[60] 80.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-80.dyn.mit.edu
[60] 81.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-81.dyn.mit.edu
[60] 82.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-82.dyn.mit.edu
[0] 83.103.189.18.in-addr.arpa.: domain name does not exist
[0] 84.103.189.18.in-addr.arpa.: domain name does not exist
[60] 85.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-85.dyn.mit.edu
[60] 86.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-86.dyn.mit.edu
[0] 87.103.189.18.in-addr.arpa.: domain name does not exist
[60] 88.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-88.dyn.mit.edu
[0] 89.103.189.18.in-addr.arpa.: domain name does not exist
[0] 90.103.189.18.in-addr.arpa.: domain name does not exist
[0] 91.103.189.18.in-addr.arpa.: domain name does not exist
[0] 92.103.189.18.in-addr.arpa.: domain name does not exist
[0] 93.103.189.18.in-addr.arpa.: domain name does not exist
[60] 94.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-94.dyn.mit.edu
[60] 95.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-95.dyn.mit.edu
[0] 96.103.189.18.in-addr.arpa.: domain name does not exist
[0] 97.103.189.18.in-addr.arpa.: domain name does not exist
[60] 98.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-98.dyn.mit.edu
[0] 99.103.189.18.in-addr.arpa.: domain name does not exist
[60] 100.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-100.dyn.mit.edu
[0] 101.103.189.18.in-addr.arpa.: domain name does not exist
[0] 102.103.189.18.in-addr.arpa.: domain name does not exist
[60] 103.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-103.dyn.mit.edu
[60] 104.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-104.dyn.mit.edu
[60] 105.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-105.dyn.mit.edu
[60] 106.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-106.dyn.mit.edu
[60] 107.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-107.dyn.mit.edu
[60] 108.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-108.dyn.mit.edu
[60] 109.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-109.dyn.mit.edu
[60] 110.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-110.dyn.mit.edu
[60] 111.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-111.dyn.mit.edu
[0] 112.103.189.18.in-addr.arpa.: domain name does not exist
[60] 113.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-113.dyn.mit.edu
[60] 114.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-114.dyn.mit.edu
[60] 115.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-115.dyn.mit.edu
[0] 116.103.189.18.in-addr.arpa.: domain name does not exist
[60] 117.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-117.dyn.mit.edu
[60] 118.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-118.dyn.mit.edu
[60] 119.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-119.dyn.mit.edu
[60] 120.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-120.dyn.mit.edu
[60] 121.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-121.dyn.mit.edu
[0] 122.103.189.18.in-addr.arpa.: domain name does not exist
[60] 123.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-123.dyn.mit.edu
[60] 124.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-124.dyn.mit.edu
[0] 125.103.189.18.in-addr.arpa.: domain name does not exist
[60] 126.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-126.dyn.mit.edu
[60] 127.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-127.dyn.mit.edu
[0] 128.103.189.18.in-addr.arpa.: domain name does not exist
[60] 129.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-129.dyn.mit.edu
[60] 130.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-130.dyn.mit.edu
[0] 131.103.189.18.in-addr.arpa.: domain name does not exist
[0] 132.103.189.18.in-addr.arpa.: domain name does not exist
[60] 133.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-133.dyn.mit.edu
[0] 134.103.189.18.in-addr.arpa.: domain name does not exist
[60] 135.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-135.dyn.mit.edu
[0] 136.103.189.18.in-addr.arpa.: domain name does not exist
[60] 137.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-137.dyn.mit.edu
[60] 138.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-138.dyn.mit.edu
[60] 139.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-139.dyn.mit.edu
[60] 140.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-140.dyn.mit.edu
[0] 141.103.189.18.in-addr.arpa.: domain name does not exist
[60] 142.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-142.dyn.mit.edu
[60] 143.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-143.dyn.mit.edu
[60] 144.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-144.dyn.mit.edu
[0] 145.103.189.18.in-addr.arpa.: domain name does not exist
[0] 146.103.189.18.in-addr.arpa.: domain name does not exist
[60] 147.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-147.dyn.mit.edu
[60] 148.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-148.dyn.mit.edu
[60] 149.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-149.dyn.mit.edu
[60] 150.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-150.dyn.mit.edu
[0] 151.103.189.18.in-addr.arpa.: domain name does not exist
[60] 152.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-152.dyn.mit.edu
[0] 153.103.189.18.in-addr.arpa.: domain name does not exist
[0] 154.103.189.18.in-addr.arpa.: domain name does not exist
[0] 155.103.189.18.in-addr.arpa.: domain name does not exist
[60] 156.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-156.dyn.mit.edu
[60] 157.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-157.dyn.mit.edu
[60] 158.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-158.dyn.mit.edu
[60] 159.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-159.dyn.mit.edu
[0] 160.103.189.18.in-addr.arpa.: domain name does not exist
[0] 161.103.189.18.in-addr.arpa.: domain name does not exist
[60] 162.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-162.dyn.mit.edu
[0] 163.103.189.18.in-addr.arpa.: domain name does not exist
[60] 164.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-164.dyn.mit.edu
[60] 165.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-165.dyn.mit.edu
[0] 166.103.189.18.in-addr.arpa.: domain name does not exist
[0] 167.103.189.18.in-addr.arpa.: domain name does not exist
[60] 168.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-168.dyn.mit.edu
[60] 169.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-169.dyn.mit.edu
[60] 170.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-170.dyn.mit.edu
[60] 171.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-171.dyn.mit.edu
[0] 172.103.189.18.in-addr.arpa.: domain name does not exist
[0] 173.103.189.18.in-addr.arpa.: domain name does not exist
[60] 174.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-174.dyn.mit.edu
[0] 175.103.189.18.in-addr.arpa.: domain name does not exist
[0] 176.103.189.18.in-addr.arpa.: domain name does not exist
[60] 177.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-177.dyn.mit.edu
[60] 178.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-178.dyn.mit.edu
[60] 179.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-179.dyn.mit.edu
[0] 180.103.189.18.in-addr.arpa.: domain name does not exist
[0] 181.103.189.18.in-addr.arpa.: domain name does not exist
[60] 182.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-182.dyn.mit.edu
[0] 183.103.189.18.in-addr.arpa.: domain name does not exist
[60] 184.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-184.dyn.mit.edu
[60] 185.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-185.dyn.mit.edu
[0] 186.103.189.18.in-addr.arpa.: domain name does not exist
[60] 187.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-187.dyn.mit.edu
[60] 188.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-188.dyn.mit.edu
[60] 189.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-189.dyn.mit.edu
[60] 190.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-190.dyn.mit.edu
[60] 191.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-191.dyn.mit.edu
[60] 192.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-192.dyn.mit.edu
[0] 193.103.189.18.in-addr.arpa.: domain name does not exist
[0] 194.103.189.18.in-addr.arpa.: domain name does not exist
[0] 195.103.189.18.in-addr.arpa.: domain name does not exist
[60] 196.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-196.dyn.mit.edu
[0] 197.103.189.18.in-addr.arpa.: domain name does not exist
[0] 198.103.189.18.in-addr.arpa.: domain name does not exist
[60] 199.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-199.dyn.mit.edu
[60] 200.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-200.dyn.mit.edu
[0] 201.103.189.18.in-addr.arpa.: domain name does not exist
[60] 202.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-202.dyn.mit.edu
[60] 203.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-203.dyn.mit.edu
[0] 204.103.189.18.in-addr.arpa.: domain name does not exist
[0] 205.103.189.18.in-addr.arpa.: domain name does not exist
[60] 206.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-206.dyn.mit.edu
[60] 207.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-207.dyn.mit.edu
[60] 208.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-208.dyn.mit.edu
[0] 209.103.189.18.in-addr.arpa.: domain name does not exist
[0] 210.103.189.18.in-addr.arpa.: domain name does not exist
[60] 211.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-211.dyn.mit.edu
[0] 212.103.189.18.in-addr.arpa.: domain name does not exist
[60] 213.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-213.dyn.mit.edu
[60] 214.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-214.dyn.mit.edu
[0] 215.103.189.18.in-addr.arpa.: domain name does not exist
[60] 216.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-216.dyn.mit.edu
[60] 217.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-217.dyn.mit.edu
[0] 218.103.189.18.in-addr.arpa.: domain name does not exist
[60] 219.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-219.dyn.mit.edu
[60] 220.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-220.dyn.mit.edu
[0] 221.103.189.18.in-addr.arpa.: domain name does not exist
[0] 222.103.189.18.in-addr.arpa.: domain name does not exist
[0] 223.103.189.18.in-addr.arpa.: domain name does not exist
[0] 224.103.189.18.in-addr.arpa.: domain name does not exist
[0] 225.103.189.18.in-addr.arpa.: domain name does not exist
[0] 226.103.189.18.in-addr.arpa.: domain name does not exist
[60] 227.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-227.dyn.mit.edu
[60] 228.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-228.dyn.mit.edu
[60] 229.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-229.dyn.mit.edu
[60] 230.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-230.dyn.mit.edu
[60] 231.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-231.dyn.mit.edu
[60] 232.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-232.dyn.mit.edu
[60] 233.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-233.dyn.mit.edu
[0] 234.103.189.18.in-addr.arpa.: domain name does not exist
[0] 235.103.189.18.in-addr.arpa.: domain name does not exist
[60] 236.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-236.dyn.mit.edu
[0] 237.103.189.18.in-addr.arpa.: domain name does not exist
[0] 238.103.189.18.in-addr.arpa.: domain name does not exist
[60] 239.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-239.dyn.mit.edu
[0] 240.103.189.18.in-addr.arpa.: domain name does not exist
[60] 241.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-241.dyn.mit.edu
[60] 242.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-242.dyn.mit.edu
[60] 243.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-243.dyn.mit.edu
[60] 244.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-244.dyn.mit.edu
[0] 245.103.189.18.in-addr.arpa.: domain name does not exist
[0] 246.103.189.18.in-addr.arpa.: domain name does not exist
[60] 247.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-247.dyn.mit.edu
[60] 248.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-248.dyn.mit.edu
[60] 249.103.189.18.in-addr.arpa. domain name pointer dhcp-18-189-103-249.dyn.mit.edu
[0] 250.103.189.18.in-addr.arpa.: domain name does not exist
[0] 251.103.189.18.in-addr.arpa.: domain name does not exist
[0] 252.103.189.18.in-addr.arpa.: domain name does not exist
[0] 253.103.189.18.in-addr.arpa.: domain name does not exist
[0] 254.103.189.18.in-addr.arpa.: domain name does not exist
[0] 255.103.189.18.in-addr.arpa.: domain name does not exist