[0] 0.47.189.18.in-addr.arpa.: domain name does not exist
[0] 1.47.189.18.in-addr.arpa.: domain name does not exist
[0] 2.47.189.18.in-addr.arpa.: domain name does not exist
[0] 3.47.189.18.in-addr.arpa.: domain name does not exist
[0] 4.47.189.18.in-addr.arpa.: domain name does not exist
[60] 5.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-5.dyn.MIT.EDU
[60] 6.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-6.dyn.MIT.EDU
[60] 7.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-7.dyn.MIT.EDU
[60] 8.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-8.dyn.MIT.EDU
[60] 9.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-9.dyn.MIT.EDU
[0] 10.47.189.18.in-addr.arpa.: domain name does not exist
[60] 11.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-11.dyn.MIT.EDU
[0] 12.47.189.18.in-addr.arpa.: domain name does not exist
[60] 13.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-13.dyn.MIT.EDU
[0] 14.47.189.18.in-addr.arpa.: domain name does not exist
[0] 15.47.189.18.in-addr.arpa.: domain name does not exist
[0] 16.47.189.18.in-addr.arpa.: domain name does not exist
[60] 17.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-17.dyn.MIT.EDU
[60] 18.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-18.dyn.MIT.EDU
[60] 19.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-19.dyn.MIT.EDU
[60] 20.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-20.dyn.MIT.EDU
[0] 21.47.189.18.in-addr.arpa.: domain name does not exist
[0] 22.47.189.18.in-addr.arpa.: domain name does not exist
[60] 23.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-23.dyn.MIT.EDU
[60] 24.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-24.dyn.MIT.EDU
[0] 25.47.189.18.in-addr.arpa.: domain name does not exist
[0] 26.47.189.18.in-addr.arpa.: domain name does not exist
[0] 27.47.189.18.in-addr.arpa.: domain name does not exist
[0] 28.47.189.18.in-addr.arpa.: domain name does not exist
[60] 29.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-29.dyn.MIT.EDU
[60] 30.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-30.dyn.MIT.EDU
[0] 31.47.189.18.in-addr.arpa.: domain name does not exist
[0] 32.47.189.18.in-addr.arpa.: domain name does not exist
[60] 33.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-33.dyn.MIT.EDU
[60] 34.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-34.dyn.MIT.EDU
[60] 35.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-35.dyn.MIT.EDU
[0] 36.47.189.18.in-addr.arpa.: domain name does not exist
[0] 37.47.189.18.in-addr.arpa.: domain name does not exist
[0] 38.47.189.18.in-addr.arpa.: domain name does not exist
[60] 39.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-39.dyn.MIT.EDU
[60] 40.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-40.dyn.MIT.EDU
[0] 41.47.189.18.in-addr.arpa.: domain name does not exist
[0] 42.47.189.18.in-addr.arpa.: domain name does not exist
[60] 43.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-43.dyn.MIT.EDU
[60] 44.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-44.dyn.MIT.EDU
[0] 45.47.189.18.in-addr.arpa.: domain name does not exist
[60] 46.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-46.dyn.MIT.EDU
[0] 47.47.189.18.in-addr.arpa.: domain name does not exist
[0] 48.47.189.18.in-addr.arpa.: domain name does not exist
[0] 49.47.189.18.in-addr.arpa.: domain name does not exist
[0] 50.47.189.18.in-addr.arpa.: domain name does not exist
[60] 51.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-51.dyn.MIT.EDU
[60] 52.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-52.dyn.MIT.EDU
[60] 53.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-53.dyn.MIT.EDU
[0] 54.47.189.18.in-addr.arpa.: domain name does not exist
[0] 55.47.189.18.in-addr.arpa.: domain name does not exist
[0] 56.47.189.18.in-addr.arpa.: domain name does not exist
[0] 57.47.189.18.in-addr.arpa.: domain name does not exist
[60] 58.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-58.dyn.MIT.EDU
[60] 59.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-59.dyn.MIT.EDU
[60] 60.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-60.dyn.MIT.EDU
[60] 61.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-61.dyn.MIT.EDU
[60] 62.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-62.dyn.MIT.EDU
[0] 63.47.189.18.in-addr.arpa.: domain name does not exist
[0] 64.47.189.18.in-addr.arpa.: domain name does not exist
[0] 65.47.189.18.in-addr.arpa.: domain name does not exist
[0] 66.47.189.18.in-addr.arpa.: domain name does not exist
[0] 67.47.189.18.in-addr.arpa.: domain name does not exist
[60] 68.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-68.dyn.MIT.EDU
[0] 69.47.189.18.in-addr.arpa.: domain name does not exist
[60] 70.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-70.dyn.MIT.EDU
[0] 71.47.189.18.in-addr.arpa.: domain name does not exist
[60] 72.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-72.dyn.MIT.EDU
[60] 73.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-73.dyn.MIT.EDU
[60] 74.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-74.dyn.MIT.EDU
[60] 75.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-75.dyn.MIT.EDU
[0] 76.47.189.18.in-addr.arpa.: domain name does not exist
[60] 77.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-77.dyn.MIT.EDU
[60] 78.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-78.dyn.MIT.EDU
[0] 79.47.189.18.in-addr.arpa.: domain name does not exist
[0] 80.47.189.18.in-addr.arpa.: domain name does not exist
[60] 81.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-81.dyn.MIT.EDU
[0] 82.47.189.18.in-addr.arpa.: domain name does not exist
[0] 83.47.189.18.in-addr.arpa.: domain name does not exist
[60] 84.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-84.dyn.MIT.EDU
[0] 85.47.189.18.in-addr.arpa.: domain name does not exist
[0] 86.47.189.18.in-addr.arpa.: domain name does not exist
[0] 87.47.189.18.in-addr.arpa.: domain name does not exist
[0] 88.47.189.18.in-addr.arpa.: domain name does not exist
[60] 89.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-89.dyn.MIT.EDU
[60] 90.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-90.dyn.MIT.EDU
[60] 91.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-91.dyn.MIT.EDU
[0] 92.47.189.18.in-addr.arpa.: domain name does not exist
[60] 93.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-93.dyn.MIT.EDU
[0] 94.47.189.18.in-addr.arpa.: domain name does not exist
[60] 95.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-95.dyn.MIT.EDU
[60] 96.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-96.dyn.MIT.EDU
[0] 97.47.189.18.in-addr.arpa.: domain name does not exist
[60] 98.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-98.dyn.MIT.EDU
[60] 99.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-99.dyn.MIT.EDU
[0] 100.47.189.18.in-addr.arpa.: domain name does not exist
[60] 101.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-101.dyn.MIT.EDU
[60] 102.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-102.dyn.MIT.EDU
[0] 103.47.189.18.in-addr.arpa.: domain name does not exist
[60] 104.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-104.dyn.MIT.EDU
[60] 105.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-105.dyn.MIT.EDU
[0] 106.47.189.18.in-addr.arpa.: domain name does not exist
[60] 107.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-107.dyn.MIT.EDU
[60] 108.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-108.dyn.MIT.EDU
[0] 109.47.189.18.in-addr.arpa.: domain name does not exist
[0] 110.47.189.18.in-addr.arpa.: domain name does not exist
[0] 111.47.189.18.in-addr.arpa.: domain name does not exist
[0] 112.47.189.18.in-addr.arpa.: domain name does not exist
[60] 113.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-113.dyn.MIT.EDU
[0] 114.47.189.18.in-addr.arpa.: domain name does not exist
[60] 115.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-115.dyn.MIT.EDU
[60] 116.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-116.dyn.MIT.EDU
[60] 117.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-117.dyn.MIT.EDU
[0] 118.47.189.18.in-addr.arpa.: domain name does not exist
[0] 119.47.189.18.in-addr.arpa.: domain name does not exist
[60] 120.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-120.dyn.MIT.EDU
[60] 121.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-121.dyn.MIT.EDU
[60] 122.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-122.dyn.MIT.EDU
[60] 123.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-123.dyn.MIT.EDU
[60] 124.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-124.dyn.MIT.EDU
[60] 125.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-125.dyn.MIT.EDU
[60] 126.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-126.dyn.MIT.EDU
[0] 127.47.189.18.in-addr.arpa.: domain name does not exist
[0] 128.47.189.18.in-addr.arpa.: domain name does not exist
[60] 129.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-129.dyn.MIT.EDU
[60] 130.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-130.dyn.MIT.EDU
[0] 131.47.189.18.in-addr.arpa.: domain name does not exist
[60] 132.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-132.dyn.MIT.EDU
[0] 133.47.189.18.in-addr.arpa.: domain name does not exist
[60] 134.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-134.dyn.MIT.EDU
[0] 135.47.189.18.in-addr.arpa.: domain name does not exist
[0] 136.47.189.18.in-addr.arpa.: domain name does not exist
[60] 137.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-137.dyn.MIT.EDU
[0] 138.47.189.18.in-addr.arpa.: domain name does not exist
[60] 139.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-139.dyn.MIT.EDU
[60] 140.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-140.dyn.MIT.EDU
[60] 141.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-141.dyn.MIT.EDU
[60] 142.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-142.dyn.MIT.EDU
[0] 143.47.189.18.in-addr.arpa.: domain name does not exist
[60] 144.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-144.dyn.MIT.EDU
[60] 145.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-145.dyn.MIT.EDU
[60] 146.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-146.dyn.MIT.EDU
[60] 147.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-147.dyn.MIT.EDU
[0] 148.47.189.18.in-addr.arpa.: domain name does not exist
[0] 149.47.189.18.in-addr.arpa.: domain name does not exist
[60] 150.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-150.dyn.MIT.EDU
[60] 151.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-151.dyn.MIT.EDU
[0] 152.47.189.18.in-addr.arpa.: domain name does not exist
[60] 153.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-153.dyn.MIT.EDU
[0] 154.47.189.18.in-addr.arpa.: domain name does not exist
[0] 155.47.189.18.in-addr.arpa.: domain name does not exist
[0] 156.47.189.18.in-addr.arpa.: domain name does not exist
[60] 157.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-157.dyn.MIT.EDU
[0] 158.47.189.18.in-addr.arpa.: domain name does not exist
[60] 159.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-159.dyn.MIT.EDU
[0] 160.47.189.18.in-addr.arpa.: domain name does not exist
[0] 161.47.189.18.in-addr.arpa.: domain name does not exist
[60] 162.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-162.dyn.MIT.EDU
[0] 163.47.189.18.in-addr.arpa.: domain name does not exist
[60] 164.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-164.dyn.MIT.EDU
[60] 165.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-165.dyn.MIT.EDU
[0] 166.47.189.18.in-addr.arpa.: domain name does not exist
[0] 167.47.189.18.in-addr.arpa.: domain name does not exist
[60] 168.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-168.dyn.MIT.EDU
[60] 169.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-169.dyn.MIT.EDU
[60] 170.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-170.dyn.MIT.EDU
[0] 171.47.189.18.in-addr.arpa.: domain name does not exist
[0] 172.47.189.18.in-addr.arpa.: domain name does not exist
[60] 173.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-173.dyn.MIT.EDU
[0] 174.47.189.18.in-addr.arpa.: domain name does not exist
[60] 175.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-175.dyn.MIT.EDU
[60] 176.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-176.dyn.MIT.EDU
[60] 177.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-177.dyn.MIT.EDU
[0] 178.47.189.18.in-addr.arpa.: domain name does not exist
[60] 179.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-179.dyn.MIT.EDU
[60] 180.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-180.dyn.MIT.EDU
[0] 181.47.189.18.in-addr.arpa.: domain name does not exist
[60] 182.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-182.dyn.MIT.EDU
[0] 183.47.189.18.in-addr.arpa.: domain name does not exist
[60] 184.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-184.dyn.MIT.EDU
[0] 185.47.189.18.in-addr.arpa.: domain name does not exist
[0] 186.47.189.18.in-addr.arpa.: domain name does not exist
[0] 187.47.189.18.in-addr.arpa.: domain name does not exist
[0] 188.47.189.18.in-addr.arpa.: domain name does not exist
[0] 189.47.189.18.in-addr.arpa.: domain name does not exist
[60] 190.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-190.dyn.MIT.EDU
[0] 191.47.189.18.in-addr.arpa.: domain name does not exist
[60] 192.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-192.dyn.MIT.EDU
[60] 193.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-193.dyn.MIT.EDU
[60] 194.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-194.dyn.MIT.EDU
[60] 195.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-195.dyn.MIT.EDU
[60] 196.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-196.dyn.MIT.EDU
[60] 197.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-197.dyn.MIT.EDU
[0] 198.47.189.18.in-addr.arpa.: domain name does not exist
[60] 199.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-199.dyn.MIT.EDU
[60] 200.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-200.dyn.MIT.EDU
[0] 201.47.189.18.in-addr.arpa.: domain name does not exist
[0] 202.47.189.18.in-addr.arpa.: domain name does not exist
[0] 203.47.189.18.in-addr.arpa.: domain name does not exist
[60] 204.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-204.dyn.MIT.EDU
[60] 205.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-205.dyn.MIT.EDU
[0] 206.47.189.18.in-addr.arpa.: domain name does not exist
[0] 207.47.189.18.in-addr.arpa.: domain name does not exist
[60] 208.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-208.dyn.MIT.EDU
[0] 209.47.189.18.in-addr.arpa.: domain name does not exist
[0] 210.47.189.18.in-addr.arpa.: domain name does not exist
[60] 211.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-211.dyn.MIT.EDU
[0] 212.47.189.18.in-addr.arpa.: domain name does not exist
[60] 213.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-213.dyn.MIT.EDU
[60] 214.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-214.dyn.MIT.EDU
[60] 215.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-215.dyn.MIT.EDU
[0] 216.47.189.18.in-addr.arpa.: domain name does not exist
[60] 217.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-217.dyn.MIT.EDU
[0] 218.47.189.18.in-addr.arpa.: domain name does not exist
[60] 219.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-219.dyn.MIT.EDU
[0] 220.47.189.18.in-addr.arpa.: domain name does not exist
[60] 221.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-221.dyn.MIT.EDU
[0] 222.47.189.18.in-addr.arpa.: domain name does not exist
[60] 223.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-223.dyn.MIT.EDU
[60] 224.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-224.dyn.MIT.EDU
[60] 225.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-225.dyn.MIT.EDU
[0] 226.47.189.18.in-addr.arpa.: domain name does not exist
[60] 227.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-227.dyn.MIT.EDU
[0] 228.47.189.18.in-addr.arpa.: domain name does not exist
[60] 229.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-229.dyn.MIT.EDU
[60] 230.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-230.dyn.MIT.EDU
[60] 231.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-231.dyn.MIT.EDU
[60] 232.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-232.dyn.MIT.EDU
[0] 233.47.189.18.in-addr.arpa.: domain name does not exist
[0] 234.47.189.18.in-addr.arpa.: domain name does not exist
[0] 235.47.189.18.in-addr.arpa.: domain name does not exist
[60] 236.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-236.dyn.MIT.EDU
[0] 237.47.189.18.in-addr.arpa.: domain name does not exist
[60] 238.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-238.dyn.MIT.EDU
[0] 239.47.189.18.in-addr.arpa.: domain name does not exist
[60] 240.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-240.dyn.MIT.EDU
[60] 241.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-241.dyn.MIT.EDU
[60] 242.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-242.dyn.MIT.EDU
[60] 243.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-243.dyn.MIT.EDU
[60] 244.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-244.dyn.MIT.EDU
[0] 245.47.189.18.in-addr.arpa.: domain name does not exist
[0] 246.47.189.18.in-addr.arpa.: domain name does not exist
[60] 247.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-247.dyn.MIT.EDU
[60] 248.47.189.18.in-addr.arpa. domain name pointer dhcp-18-189-47-248.dyn.MIT.EDU
[0] 249.47.189.18.in-addr.arpa.: domain name does not exist
[0] 250.47.189.18.in-addr.arpa.: domain name does not exist
[0] 251.47.189.18.in-addr.arpa.: domain name does not exist
[0] 252.47.189.18.in-addr.arpa.: domain name does not exist
[0] 253.47.189.18.in-addr.arpa.: domain name does not exist
[0] 254.47.189.18.in-addr.arpa.: domain name does not exist
[0] 255.47.189.18.in-addr.arpa.: domain name does not exist