[0] 0.18.189.18.in-addr.arpa.: domain name does not exist
[0] 1.18.189.18.in-addr.arpa.: domain name does not exist
[0] 2.18.189.18.in-addr.arpa.: domain name does not exist
[0] 3.18.189.18.in-addr.arpa.: domain name does not exist
[0] 4.18.189.18.in-addr.arpa.: domain name does not exist
[60] 5.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-5.dyn.mit.edu
[60] 6.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-6.dyn.mit.edu
[60] 7.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-7.dyn.mit.edu
[0] 8.18.189.18.in-addr.arpa.: domain name does not exist
[60] 9.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-9.dyn.mit.edu
[60] 10.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-10.dyn.mit.edu
[0] 11.18.189.18.in-addr.arpa.: domain name does not exist
[60] 12.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-12.dyn.mit.edu
[60] 13.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-13.dyn.mit.edu
[60] 14.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-14.dyn.mit.edu
[0] 15.18.189.18.in-addr.arpa.: domain name does not exist
[60] 16.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-16.dyn.mit.edu
[60] 17.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-17.dyn.mit.edu
[0] 18.18.189.18.in-addr.arpa.: domain name does not exist
[60] 19.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-19.dyn.mit.edu
[60] 20.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-20.dyn.mit.edu
[60] 21.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-21.dyn.mit.edu
[60] 22.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-22.dyn.mit.edu
[0] 23.18.189.18.in-addr.arpa.: domain name does not exist
[60] 24.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-24.dyn.mit.edu
[60] 25.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-25.dyn.mit.edu
[60] 26.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-26.dyn.mit.edu
[60] 27.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-27.dyn.mit.edu
[60] 28.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-28.dyn.mit.edu
[60] 29.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-29.dyn.mit.edu
[0] 30.18.189.18.in-addr.arpa.: domain name does not exist
[60] 31.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-31.dyn.mit.edu
[60] 32.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-32.dyn.mit.edu
[60] 33.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-33.dyn.mit.edu
[60] 34.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-34.dyn.mit.edu
[60] 35.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-35.dyn.mit.edu
[60] 36.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-36.dyn.mit.edu
[60] 37.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-37.dyn.mit.edu
[60] 38.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-38.dyn.mit.edu
[60] 39.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-39.dyn.mit.edu
[60] 40.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-40.dyn.mit.edu
[0] 41.18.189.18.in-addr.arpa.: domain name does not exist
[60] 42.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-42.dyn.mit.edu
[60] 43.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-43.dyn.mit.edu
[60] 44.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-44.dyn.mit.edu
[60] 45.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-45.dyn.mit.edu
[60] 46.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-46.dyn.mit.edu
[60] 47.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-47.dyn.mit.edu
[0] 48.18.189.18.in-addr.arpa.: domain name does not exist
[60] 49.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-49.dyn.mit.edu
[60] 50.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-50.dyn.mit.edu
[60] 51.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-51.dyn.mit.edu
[60] 52.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-52.dyn.mit.edu
[0] 53.18.189.18.in-addr.arpa.: domain name does not exist
[60] 54.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-54.dyn.mit.edu
[60] 55.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-55.dyn.mit.edu
[60] 56.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-56.dyn.mit.edu
[60] 57.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-57.dyn.mit.edu
[0] 58.18.189.18.in-addr.arpa.: domain name does not exist
[0] 59.18.189.18.in-addr.arpa.: domain name does not exist
[60] 60.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-60.dyn.mit.edu
[60] 61.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-61.dyn.mit.edu
[60] 62.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-62.dyn.mit.edu
[60] 63.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-63.dyn.mit.edu
[60] 64.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-64.dyn.mit.edu
[60] 65.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-65.dyn.mit.edu
[0] 66.18.189.18.in-addr.arpa.: domain name does not exist
[0] 67.18.189.18.in-addr.arpa.: domain name does not exist
[60] 68.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-68.dyn.mit.edu
[60] 69.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-69.dyn.mit.edu
[60] 70.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-70.dyn.mit.edu
[60] 71.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-71.dyn.mit.edu
[60] 72.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-72.dyn.mit.edu
[60] 73.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-73.dyn.mit.edu
[60] 74.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-74.dyn.mit.edu
[60] 75.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-75.dyn.mit.edu
[60] 76.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-76.dyn.mit.edu
[60] 77.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-77.dyn.mit.edu
[60] 78.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-78.dyn.mit.edu
[0] 79.18.189.18.in-addr.arpa.: domain name does not exist
[0] 80.18.189.18.in-addr.arpa.: domain name does not exist
[60] 81.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-81.dyn.mit.edu
[60] 82.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-82.dyn.mit.edu
[0] 83.18.189.18.in-addr.arpa.: domain name does not exist
[60] 84.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-84.dyn.mit.edu
[0] 85.18.189.18.in-addr.arpa.: domain name does not exist
[60] 86.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-86.dyn.mit.edu
[0] 87.18.189.18.in-addr.arpa.: domain name does not exist
[60] 88.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-88.dyn.mit.edu
[60] 89.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-89.dyn.mit.edu
[0] 90.18.189.18.in-addr.arpa.: domain name does not exist
[0] 91.18.189.18.in-addr.arpa.: domain name does not exist
[60] 92.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-92.dyn.mit.edu
[60] 93.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-93.dyn.mit.edu
[60] 94.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-94.dyn.mit.edu
[60] 95.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-95.dyn.mit.edu
[60] 96.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-96.dyn.mit.edu
[0] 97.18.189.18.in-addr.arpa.: domain name does not exist
[0] 98.18.189.18.in-addr.arpa.: domain name does not exist
[0] 99.18.189.18.in-addr.arpa.: domain name does not exist
[60] 100.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-100.dyn.mit.edu
[60] 101.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-101.dyn.mit.edu
[0] 102.18.189.18.in-addr.arpa.: domain name does not exist
[0] 103.18.189.18.in-addr.arpa.: domain name does not exist
[60] 104.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-104.dyn.mit.edu
[60] 105.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-105.dyn.mit.edu
[60] 106.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-106.dyn.mit.edu
[60] 107.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-107.dyn.mit.edu
[60] 108.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-108.dyn.mit.edu
[60] 109.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-109.dyn.mit.edu
[0] 110.18.189.18.in-addr.arpa.: domain name does not exist
[60] 111.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-111.dyn.mit.edu
[0] 112.18.189.18.in-addr.arpa.: domain name does not exist
[0] 113.18.189.18.in-addr.arpa.: domain name does not exist
[0] 114.18.189.18.in-addr.arpa.: domain name does not exist
[0] 115.18.189.18.in-addr.arpa.: domain name does not exist
[60] 116.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-116.dyn.mit.edu
[0] 117.18.189.18.in-addr.arpa.: domain name does not exist
[0] 118.18.189.18.in-addr.arpa.: domain name does not exist
[60] 119.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-119.dyn.mit.edu
[0] 120.18.189.18.in-addr.arpa.: domain name does not exist
[60] 121.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-121.dyn.mit.edu
[60] 122.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-122.dyn.mit.edu
[60] 123.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-123.dyn.mit.edu
[0] 124.18.189.18.in-addr.arpa.: domain name does not exist
[0] 125.18.189.18.in-addr.arpa.: domain name does not exist
[60] 126.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-126.dyn.mit.edu
[0] 127.18.189.18.in-addr.arpa.: domain name does not exist
[60] 128.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-128.dyn.mit.edu
[0] 129.18.189.18.in-addr.arpa.: domain name does not exist
[0] 130.18.189.18.in-addr.arpa.: domain name does not exist
[0] 131.18.189.18.in-addr.arpa.: domain name does not exist
[60] 132.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-132.dyn.mit.edu
[60] 133.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-133.dyn.mit.edu
[60] 134.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-134.dyn.mit.edu
[60] 135.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-135.dyn.mit.edu
[60] 136.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-136.dyn.mit.edu
[60] 137.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-137.dyn.mit.edu
[0] 138.18.189.18.in-addr.arpa.: domain name does not exist
[60] 139.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-139.dyn.mit.edu
[0] 140.18.189.18.in-addr.arpa.: domain name does not exist
[60] 141.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-141.dyn.mit.edu
[0] 142.18.189.18.in-addr.arpa.: domain name does not exist
[60] 143.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-143.dyn.mit.edu
[60] 144.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-144.dyn.mit.edu
[0] 145.18.189.18.in-addr.arpa.: domain name does not exist
[0] 146.18.189.18.in-addr.arpa.: domain name does not exist
[0] 147.18.189.18.in-addr.arpa.: domain name does not exist
[0] 148.18.189.18.in-addr.arpa.: domain name does not exist
[0] 149.18.189.18.in-addr.arpa.: domain name does not exist
[0] 150.18.189.18.in-addr.arpa.: domain name does not exist
[0] 151.18.189.18.in-addr.arpa.: domain name does not exist
[0] 152.18.189.18.in-addr.arpa.: domain name does not exist
[60] 153.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-153.dyn.mit.edu
[0] 154.18.189.18.in-addr.arpa.: domain name does not exist
[60] 155.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-155.dyn.mit.edu
[60] 156.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-156.dyn.mit.edu
[60] 157.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-157.dyn.mit.edu
[60] 158.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-158.dyn.mit.edu
[60] 159.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-159.dyn.mit.edu
[60] 160.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-160.dyn.mit.edu
[60] 161.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-161.dyn.mit.edu
[60] 162.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-162.dyn.mit.edu
[0] 163.18.189.18.in-addr.arpa.: domain name does not exist
[60] 164.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-164.dyn.mit.edu
[0] 165.18.189.18.in-addr.arpa.: domain name does not exist
[60] 166.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-166.dyn.mit.edu
[60] 167.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-167.dyn.mit.edu
[60] 168.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-168.dyn.mit.edu
[60] 169.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-169.dyn.mit.edu
[60] 170.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-170.dyn.mit.edu
[0] 171.18.189.18.in-addr.arpa.: domain name does not exist
[0] 172.18.189.18.in-addr.arpa.: domain name does not exist
[60] 173.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-173.dyn.mit.edu
[0] 174.18.189.18.in-addr.arpa.: domain name does not exist
[60] 175.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-175.dyn.mit.edu
[60] 176.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-176.dyn.mit.edu
[0] 177.18.189.18.in-addr.arpa.: domain name does not exist
[60] 178.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-178.dyn.mit.edu
[0] 179.18.189.18.in-addr.arpa.: domain name does not exist
[0] 180.18.189.18.in-addr.arpa.: domain name does not exist
[60] 181.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-181.dyn.mit.edu
[0] 182.18.189.18.in-addr.arpa.: domain name does not exist
[60] 183.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-183.dyn.mit.edu
[60] 184.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-184.dyn.mit.edu
[60] 185.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-185.dyn.mit.edu
[60] 186.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-186.dyn.mit.edu
[60] 187.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-187.dyn.mit.edu
[60] 188.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-188.dyn.mit.edu
[60] 189.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-189.dyn.mit.edu
[60] 190.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-190.dyn.mit.edu
[0] 191.18.189.18.in-addr.arpa.: domain name does not exist
[60] 192.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-192.dyn.mit.edu
[0] 193.18.189.18.in-addr.arpa.: domain name does not exist
[0] 194.18.189.18.in-addr.arpa.: domain name does not exist
[0] 195.18.189.18.in-addr.arpa.: domain name does not exist
[60] 196.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-196.dyn.mit.edu
[60] 197.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-197.dyn.mit.edu
[60] 198.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-198.dyn.mit.edu
[60] 199.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-199.dyn.mit.edu
[0] 200.18.189.18.in-addr.arpa.: domain name does not exist
[60] 201.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-201.dyn.mit.edu
[60] 202.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-202.dyn.mit.edu
[0] 203.18.189.18.in-addr.arpa.: domain name does not exist
[60] 204.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-204.dyn.mit.edu
[60] 205.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-205.dyn.mit.edu
[60] 206.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-206.dyn.mit.edu
[0] 207.18.189.18.in-addr.arpa.: domain name does not exist
[60] 208.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-208.dyn.mit.edu
[0] 209.18.189.18.in-addr.arpa.: domain name does not exist
[60] 210.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-210.dyn.mit.edu
[60] 211.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-211.dyn.mit.edu
[60] 212.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-212.dyn.mit.edu
[60] 213.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-213.dyn.mit.edu
[0] 214.18.189.18.in-addr.arpa.: domain name does not exist
[60] 215.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-215.dyn.mit.edu
[0] 216.18.189.18.in-addr.arpa.: domain name does not exist
[60] 217.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-217.dyn.mit.edu
[0] 218.18.189.18.in-addr.arpa.: domain name does not exist
[60] 219.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-219.dyn.mit.edu
[60] 220.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-220.dyn.mit.edu
[60] 221.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-221.dyn.mit.edu
[60] 222.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-222.dyn.mit.edu
[60] 223.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-223.dyn.mit.edu
[60] 224.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-224.dyn.mit.edu
[0] 225.18.189.18.in-addr.arpa.: domain name does not exist
[60] 226.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-226.dyn.mit.edu
[60] 227.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-227.dyn.mit.edu
[60] 228.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-228.dyn.mit.edu
[0] 229.18.189.18.in-addr.arpa.: domain name does not exist
[0] 230.18.189.18.in-addr.arpa.: domain name does not exist
[60] 231.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-231.dyn.mit.edu
[0] 232.18.189.18.in-addr.arpa.: domain name does not exist
[60] 233.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-233.dyn.mit.edu
[60] 234.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-234.dyn.mit.edu
[60] 235.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-235.dyn.mit.edu
[0] 236.18.189.18.in-addr.arpa.: domain name does not exist
[60] 237.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-237.dyn.mit.edu
[0] 238.18.189.18.in-addr.arpa.: domain name does not exist
[0] 239.18.189.18.in-addr.arpa.: domain name does not exist
[60] 240.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-240.dyn.mit.edu
[60] 241.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-241.dyn.mit.edu
[0] 242.18.189.18.in-addr.arpa.: domain name does not exist
[0] 243.18.189.18.in-addr.arpa.: domain name does not exist
[60] 244.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-244.dyn.mit.edu
[0] 245.18.189.18.in-addr.arpa.: domain name does not exist
[60] 246.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-246.dyn.mit.edu
[60] 247.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-247.dyn.mit.edu
[60] 248.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-248.dyn.mit.edu
[60] 249.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-249.dyn.mit.edu
[60] 250.18.189.18.in-addr.arpa. domain name pointer dhcp-18-189-18-250.dyn.mit.edu
[0] 251.18.189.18.in-addr.arpa.: domain name does not exist
[0] 252.18.189.18.in-addr.arpa.: domain name does not exist
[0] 253.18.189.18.in-addr.arpa.: domain name does not exist
[0] 254.18.189.18.in-addr.arpa.: domain name does not exist
[0] 255.18.189.18.in-addr.arpa.: domain name does not exist