[0] 0.13.189.18.in-addr.arpa.: domain name does not exist
[0] 1.13.189.18.in-addr.arpa.: domain name does not exist
[0] 2.13.189.18.in-addr.arpa.: domain name does not exist
[0] 3.13.189.18.in-addr.arpa.: domain name does not exist
[0] 4.13.189.18.in-addr.arpa.: domain name does not exist
[0] 5.13.189.18.in-addr.arpa.: domain name does not exist
[0] 6.13.189.18.in-addr.arpa.: domain name does not exist
[0] 7.13.189.18.in-addr.arpa.: domain name does not exist
[60] 8.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-8.dyn.MIT.EDU
[0] 9.13.189.18.in-addr.arpa.: domain name does not exist
[60] 10.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-10.dyn.MIT.EDU
[0] 11.13.189.18.in-addr.arpa.: domain name does not exist
[60] 12.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-12.dyn.MIT.EDU
[60] 13.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-13.dyn.MIT.EDU
[60] 14.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-14.dyn.MIT.EDU
[60] 15.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-15.dyn.MIT.EDU
[0] 16.13.189.18.in-addr.arpa.: domain name does not exist
[60] 17.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-17.dyn.MIT.EDU
[60] 18.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-18.dyn.MIT.EDU
[0] 19.13.189.18.in-addr.arpa.: domain name does not exist
[60] 20.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-20.dyn.MIT.EDU
[60] 21.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-21.dyn.MIT.EDU
[0] 22.13.189.18.in-addr.arpa.: domain name does not exist
[60] 23.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-23.dyn.MIT.EDU
[60] 24.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-24.dyn.MIT.EDU
[0] 25.13.189.18.in-addr.arpa.: domain name does not exist
[60] 26.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-26.dyn.MIT.EDU
[60] 27.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-27.dyn.MIT.EDU
[0] 28.13.189.18.in-addr.arpa.: domain name does not exist
[0] 29.13.189.18.in-addr.arpa.: domain name does not exist
[60] 30.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-30.dyn.MIT.EDU
[60] 31.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-31.dyn.MIT.EDU
[0] 32.13.189.18.in-addr.arpa.: domain name does not exist
[0] 33.13.189.18.in-addr.arpa.: domain name does not exist
[0] 34.13.189.18.in-addr.arpa.: domain name does not exist
[0] 35.13.189.18.in-addr.arpa.: domain name does not exist
[0] 36.13.189.18.in-addr.arpa.: domain name does not exist
[60] 37.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-37.dyn.MIT.EDU
[60] 38.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-38.dyn.MIT.EDU
[0] 39.13.189.18.in-addr.arpa.: domain name does not exist
[0] 40.13.189.18.in-addr.arpa.: domain name does not exist
[60] 41.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-41.dyn.MIT.EDU
[60] 42.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-42.dyn.MIT.EDU
[60] 43.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-43.dyn.MIT.EDU
[60] 44.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-44.dyn.MIT.EDU
[60] 45.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-45.dyn.MIT.EDU
[60] 46.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-46.dyn.MIT.EDU
[0] 47.13.189.18.in-addr.arpa.: domain name does not exist
[60] 48.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-48.dyn.MIT.EDU
[60] 49.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-49.dyn.MIT.EDU
[60] 50.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-50.dyn.MIT.EDU
[60] 51.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-51.dyn.MIT.EDU
[0] 52.13.189.18.in-addr.arpa.: domain name does not exist
[0] 53.13.189.18.in-addr.arpa.: domain name does not exist
[60] 54.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-54.dyn.MIT.EDU
[0] 55.13.189.18.in-addr.arpa.: domain name does not exist
[60] 56.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-56.dyn.MIT.EDU
[0] 57.13.189.18.in-addr.arpa.: domain name does not exist
[60] 58.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-58.dyn.MIT.EDU
[60] 59.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-59.dyn.MIT.EDU
[60] 60.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-60.dyn.MIT.EDU
[0] 61.13.189.18.in-addr.arpa.: domain name does not exist
[60] 62.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-62.dyn.MIT.EDU
[0] 63.13.189.18.in-addr.arpa.: domain name does not exist
[0] 64.13.189.18.in-addr.arpa.: domain name does not exist
[60] 65.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-65.dyn.MIT.EDU
[0] 66.13.189.18.in-addr.arpa.: domain name does not exist
[0] 67.13.189.18.in-addr.arpa.: domain name does not exist
[0] 68.13.189.18.in-addr.arpa.: domain name does not exist
[0] 69.13.189.18.in-addr.arpa.: domain name does not exist
[0] 70.13.189.18.in-addr.arpa.: domain name does not exist
[60] 71.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-71.dyn.MIT.EDU
[0] 72.13.189.18.in-addr.arpa.: domain name does not exist
[60] 73.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-73.dyn.MIT.EDU
[60] 74.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-74.dyn.MIT.EDU
[60] 75.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-75.dyn.MIT.EDU
[60] 76.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-76.dyn.MIT.EDU
[0] 77.13.189.18.in-addr.arpa.: domain name does not exist
[60] 78.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-78.dyn.MIT.EDU
[0] 79.13.189.18.in-addr.arpa.: domain name does not exist
[60] 80.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-80.dyn.MIT.EDU
[0] 81.13.189.18.in-addr.arpa.: domain name does not exist
[0] 82.13.189.18.in-addr.arpa.: domain name does not exist
[60] 83.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-83.dyn.MIT.EDU
[60] 84.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-84.dyn.MIT.EDU
[60] 85.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-85.dyn.MIT.EDU
[0] 86.13.189.18.in-addr.arpa.: domain name does not exist
[0] 87.13.189.18.in-addr.arpa.: domain name does not exist
[60] 88.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-88.dyn.MIT.EDU
[60] 89.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-89.dyn.MIT.EDU
[60] 90.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-90.dyn.MIT.EDU
[0] 91.13.189.18.in-addr.arpa.: domain name does not exist
[0] 92.13.189.18.in-addr.arpa.: domain name does not exist
[0] 93.13.189.18.in-addr.arpa.: domain name does not exist
[0] 94.13.189.18.in-addr.arpa.: domain name does not exist
[60] 95.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-95.dyn.MIT.EDU
[60] 96.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-96.dyn.MIT.EDU
[0] 97.13.189.18.in-addr.arpa.: domain name does not exist
[60] 98.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-98.dyn.MIT.EDU
[60] 99.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-99.dyn.MIT.EDU
[0] 100.13.189.18.in-addr.arpa.: domain name does not exist
[60] 101.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-101.dyn.MIT.EDU
[60] 102.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-102.dyn.MIT.EDU
[60] 103.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-103.dyn.MIT.EDU
[60] 104.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-104.dyn.MIT.EDU
[60] 105.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-105.dyn.MIT.EDU
[60] 106.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-106.dyn.MIT.EDU
[0] 107.13.189.18.in-addr.arpa.: domain name does not exist
[60] 108.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-108.dyn.MIT.EDU
[0] 109.13.189.18.in-addr.arpa.: domain name does not exist
[60] 110.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-110.dyn.MIT.EDU
[0] 111.13.189.18.in-addr.arpa.: domain name does not exist
[0] 112.13.189.18.in-addr.arpa.: domain name does not exist
[0] 113.13.189.18.in-addr.arpa.: domain name does not exist
[0] 114.13.189.18.in-addr.arpa.: domain name does not exist
[0] 115.13.189.18.in-addr.arpa.: domain name does not exist
[0] 116.13.189.18.in-addr.arpa.: domain name does not exist
[0] 117.13.189.18.in-addr.arpa.: domain name does not exist
[0] 118.13.189.18.in-addr.arpa.: domain name does not exist
[60] 119.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-119.dyn.MIT.EDU
[0] 120.13.189.18.in-addr.arpa.: domain name does not exist
[60] 121.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-121.dyn.MIT.EDU
[60] 122.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-122.dyn.MIT.EDU
[0] 123.13.189.18.in-addr.arpa.: domain name does not exist
[60] 124.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-124.dyn.MIT.EDU
[60] 125.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-125.dyn.MIT.EDU
[60] 126.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-126.dyn.MIT.EDU
[0] 127.13.189.18.in-addr.arpa.: domain name does not exist
[60] 128.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-128.dyn.MIT.EDU
[60] 129.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-129.dyn.MIT.EDU
[0] 130.13.189.18.in-addr.arpa.: domain name does not exist
[60] 131.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-131.dyn.MIT.EDU
[0] 132.13.189.18.in-addr.arpa.: domain name does not exist
[60] 133.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-133.dyn.MIT.EDU
[60] 134.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-134.dyn.MIT.EDU
[60] 135.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-135.dyn.MIT.EDU
[60] 136.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-136.dyn.MIT.EDU
[60] 137.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-137.dyn.MIT.EDU
[60] 138.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-138.dyn.MIT.EDU
[0] 139.13.189.18.in-addr.arpa.: domain name does not exist
[60] 140.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-140.dyn.MIT.EDU
[60] 141.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-141.dyn.MIT.EDU
[0] 142.13.189.18.in-addr.arpa.: domain name does not exist
[0] 143.13.189.18.in-addr.arpa.: domain name does not exist
[60] 144.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-144.dyn.MIT.EDU
[60] 145.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-145.dyn.MIT.EDU
[60] 146.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-146.dyn.MIT.EDU
[0] 147.13.189.18.in-addr.arpa.: domain name does not exist
[0] 148.13.189.18.in-addr.arpa.: domain name does not exist
[60] 149.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-149.dyn.MIT.EDU
[60] 150.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-150.dyn.MIT.EDU
[0] 151.13.189.18.in-addr.arpa.: domain name does not exist
[60] 152.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-152.dyn.MIT.EDU
[60] 153.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-153.dyn.MIT.EDU
[0] 154.13.189.18.in-addr.arpa.: domain name does not exist
[60] 155.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-155.dyn.MIT.EDU
[60] 156.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-156.dyn.MIT.EDU
[0] 157.13.189.18.in-addr.arpa.: domain name does not exist
[0] 158.13.189.18.in-addr.arpa.: domain name does not exist
[0] 159.13.189.18.in-addr.arpa.: domain name does not exist
[60] 160.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-160.dyn.MIT.EDU
[60] 161.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-161.dyn.MIT.EDU
[0] 162.13.189.18.in-addr.arpa.: domain name does not exist
[60] 163.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-163.dyn.MIT.EDU
[60] 164.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-164.dyn.MIT.EDU
[0] 165.13.189.18.in-addr.arpa.: domain name does not exist
[0] 166.13.189.18.in-addr.arpa.: domain name does not exist
[60] 167.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-167.dyn.MIT.EDU
[0] 168.13.189.18.in-addr.arpa.: domain name does not exist
[0] 169.13.189.18.in-addr.arpa.: domain name does not exist
[0] 170.13.189.18.in-addr.arpa.: domain name does not exist
[60] 171.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-171.dyn.MIT.EDU
[0] 172.13.189.18.in-addr.arpa.: domain name does not exist
[0] 173.13.189.18.in-addr.arpa.: domain name does not exist
[60] 174.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-174.dyn.MIT.EDU
[60] 175.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-175.dyn.MIT.EDU
[60] 176.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-176.dyn.MIT.EDU
[60] 177.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-177.dyn.MIT.EDU
[0] 178.13.189.18.in-addr.arpa.: domain name does not exist
[60] 179.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-179.dyn.MIT.EDU
[0] 180.13.189.18.in-addr.arpa.: domain name does not exist
[60] 181.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-181.dyn.MIT.EDU
[60] 182.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-182.dyn.MIT.EDU
[60] 183.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-183.dyn.MIT.EDU
[60] 184.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-184.dyn.MIT.EDU
[0] 185.13.189.18.in-addr.arpa.: domain name does not exist
[60] 186.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-186.dyn.MIT.EDU
[60] 187.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-187.dyn.MIT.EDU
[0] 188.13.189.18.in-addr.arpa.: domain name does not exist
[0] 189.13.189.18.in-addr.arpa.: domain name does not exist
[60] 190.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-190.dyn.MIT.EDU
[0] 191.13.189.18.in-addr.arpa.: domain name does not exist
[0] 192.13.189.18.in-addr.arpa.: domain name does not exist
[0] 193.13.189.18.in-addr.arpa.: domain name does not exist
[60] 194.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-194.dyn.MIT.EDU
[60] 195.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-195.dyn.MIT.EDU
[0] 196.13.189.18.in-addr.arpa.: domain name does not exist
[0] 197.13.189.18.in-addr.arpa.: domain name does not exist
[60] 198.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-198.dyn.MIT.EDU
[60] 199.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-199.dyn.MIT.EDU
[0] 200.13.189.18.in-addr.arpa.: domain name does not exist
[0] 201.13.189.18.in-addr.arpa.: domain name does not exist
[0] 202.13.189.18.in-addr.arpa.: domain name does not exist
[0] 203.13.189.18.in-addr.arpa.: domain name does not exist
[60] 204.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-204.dyn.MIT.EDU
[0] 205.13.189.18.in-addr.arpa.: domain name does not exist
[0] 206.13.189.18.in-addr.arpa.: domain name does not exist
[0] 207.13.189.18.in-addr.arpa.: domain name does not exist
[60] 208.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-208.dyn.MIT.EDU
[60] 209.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-209.dyn.MIT.EDU
[60] 210.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-210.dyn.MIT.EDU
[60] 211.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-211.dyn.MIT.EDU
[60] 212.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-212.dyn.MIT.EDU
[60] 213.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-213.dyn.MIT.EDU
[0] 214.13.189.18.in-addr.arpa.: domain name does not exist
[0] 215.13.189.18.in-addr.arpa.: domain name does not exist
[60] 216.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-216.dyn.MIT.EDU
[60] 217.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-217.dyn.MIT.EDU
[60] 218.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-218.dyn.MIT.EDU
[0] 219.13.189.18.in-addr.arpa.: domain name does not exist
[0] 220.13.189.18.in-addr.arpa.: domain name does not exist
[60] 221.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-221.dyn.MIT.EDU
[60] 222.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-222.dyn.MIT.EDU
[60] 223.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-223.dyn.MIT.EDU
[0] 224.13.189.18.in-addr.arpa.: domain name does not exist
[0] 225.13.189.18.in-addr.arpa.: domain name does not exist
[0] 226.13.189.18.in-addr.arpa.: domain name does not exist
[60] 227.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-227.dyn.MIT.EDU
[0] 228.13.189.18.in-addr.arpa.: domain name does not exist
[60] 229.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-229.dyn.MIT.EDU
[60] 230.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-230.dyn.MIT.EDU
[60] 231.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-231.dyn.MIT.EDU
[60] 232.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-232.dyn.MIT.EDU
[60] 233.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-233.dyn.MIT.EDU
[0] 234.13.189.18.in-addr.arpa.: domain name does not exist
[60] 235.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-235.dyn.MIT.EDU
[60] 236.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-236.dyn.MIT.EDU
[60] 237.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-237.dyn.MIT.EDU
[60] 238.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-238.dyn.MIT.EDU
[0] 239.13.189.18.in-addr.arpa.: domain name does not exist
[0] 240.13.189.18.in-addr.arpa.: domain name does not exist
[60] 241.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-241.dyn.MIT.EDU
[0] 242.13.189.18.in-addr.arpa.: domain name does not exist
[0] 243.13.189.18.in-addr.arpa.: domain name does not exist
[0] 244.13.189.18.in-addr.arpa.: domain name does not exist
[0] 245.13.189.18.in-addr.arpa.: domain name does not exist
[0] 246.13.189.18.in-addr.arpa.: domain name does not exist
[60] 247.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-247.dyn.MIT.EDU
[0] 248.13.189.18.in-addr.arpa.: domain name does not exist
[0] 249.13.189.18.in-addr.arpa.: domain name does not exist
[60] 250.13.189.18.in-addr.arpa. domain name pointer dhcp-18-189-13-250.dyn.MIT.EDU
[0] 251.13.189.18.in-addr.arpa.: domain name does not exist
[0] 252.13.189.18.in-addr.arpa.: domain name does not exist
[0] 253.13.189.18.in-addr.arpa.: domain name does not exist
[0] 254.13.189.18.in-addr.arpa.: domain name does not exist
[0] 255.13.189.18.in-addr.arpa.: domain name does not exist