[0] 0.72.189.18.in-addr.arpa.: domain name does not exist
[0] 1.72.189.18.in-addr.arpa.: domain name does not exist
[0] 2.72.189.18.in-addr.arpa.: domain name does not exist
[0] 3.72.189.18.in-addr.arpa.: domain name does not exist
[0] 4.72.189.18.in-addr.arpa.: domain name does not exist
[60] 5.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-5.dyn.MIT.EDU
[0] 6.72.189.18.in-addr.arpa.: domain name does not exist
[0] 7.72.189.18.in-addr.arpa.: domain name does not exist
[60] 8.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-8.dyn.MIT.EDU
[60] 9.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-9.dyn.MIT.EDU
[0] 10.72.189.18.in-addr.arpa.: domain name does not exist
[0] 11.72.189.18.in-addr.arpa.: domain name does not exist
[0] 12.72.189.18.in-addr.arpa.: domain name does not exist
[60] 13.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-13.dyn.MIT.EDU
[0] 14.72.189.18.in-addr.arpa.: domain name does not exist
[0] 15.72.189.18.in-addr.arpa.: domain name does not exist
[0] 16.72.189.18.in-addr.arpa.: domain name does not exist
[60] 17.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-17.dyn.MIT.EDU
[0] 18.72.189.18.in-addr.arpa.: domain name does not exist
[60] 19.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-19.dyn.MIT.EDU
[0] 20.72.189.18.in-addr.arpa.: domain name does not exist
[60] 21.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-21.dyn.MIT.EDU
[0] 22.72.189.18.in-addr.arpa.: domain name does not exist
[0] 23.72.189.18.in-addr.arpa.: domain name does not exist
[60] 24.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-24.dyn.MIT.EDU
[60] 25.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-25.dyn.MIT.EDU
[60] 26.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-26.dyn.MIT.EDU
[0] 27.72.189.18.in-addr.arpa.: domain name does not exist
[60] 28.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-28.dyn.MIT.EDU
[0] 29.72.189.18.in-addr.arpa.: domain name does not exist
[0] 30.72.189.18.in-addr.arpa.: domain name does not exist
[0] 31.72.189.18.in-addr.arpa.: domain name does not exist
[60] 32.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-32.dyn.MIT.EDU
[0] 33.72.189.18.in-addr.arpa.: domain name does not exist
[0] 34.72.189.18.in-addr.arpa.: domain name does not exist
[60] 35.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-35.dyn.MIT.EDU
[0] 36.72.189.18.in-addr.arpa.: domain name does not exist
[60] 37.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-37.dyn.MIT.EDU
[60] 38.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-38.dyn.MIT.EDU
[0] 39.72.189.18.in-addr.arpa.: domain name does not exist
[60] 40.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-40.dyn.MIT.EDU
[0] 41.72.189.18.in-addr.arpa.: domain name does not exist
[60] 42.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-42.dyn.MIT.EDU
[60] 43.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-43.dyn.MIT.EDU
[0] 44.72.189.18.in-addr.arpa.: domain name does not exist
[60] 45.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-45.dyn.MIT.EDU
[0] 46.72.189.18.in-addr.arpa.: domain name does not exist
[0] 47.72.189.18.in-addr.arpa.: domain name does not exist
[0] 48.72.189.18.in-addr.arpa.: domain name does not exist
[60] 49.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-49.dyn.MIT.EDU
[60] 50.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-50.dyn.MIT.EDU
[0] 51.72.189.18.in-addr.arpa.: domain name does not exist
[60] 52.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-52.dyn.MIT.EDU
[0] 53.72.189.18.in-addr.arpa.: domain name does not exist
[0] 54.72.189.18.in-addr.arpa.: domain name does not exist
[0] 55.72.189.18.in-addr.arpa.: domain name does not exist
[0] 56.72.189.18.in-addr.arpa.: domain name does not exist
[0] 57.72.189.18.in-addr.arpa.: domain name does not exist
[0] 58.72.189.18.in-addr.arpa.: domain name does not exist
[0] 59.72.189.18.in-addr.arpa.: domain name does not exist
[60] 60.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-60.dyn.MIT.EDU
[0] 61.72.189.18.in-addr.arpa.: domain name does not exist
[60] 62.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-62.dyn.MIT.EDU
[60] 63.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-63.dyn.MIT.EDU
[60] 64.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-64.dyn.MIT.EDU
[0] 65.72.189.18.in-addr.arpa.: domain name does not exist
[0] 66.72.189.18.in-addr.arpa.: domain name does not exist
[0] 67.72.189.18.in-addr.arpa.: domain name does not exist
[0] 68.72.189.18.in-addr.arpa.: domain name does not exist
[60] 69.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-69.dyn.MIT.EDU
[60] 70.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-70.dyn.MIT.EDU
[0] 71.72.189.18.in-addr.arpa.: domain name does not exist
[0] 72.72.189.18.in-addr.arpa.: domain name does not exist
[60] 73.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-73.dyn.MIT.EDU
[0] 74.72.189.18.in-addr.arpa.: domain name does not exist
[0] 75.72.189.18.in-addr.arpa.: domain name does not exist
[0] 76.72.189.18.in-addr.arpa.: domain name does not exist
[0] 77.72.189.18.in-addr.arpa.: domain name does not exist
[0] 78.72.189.18.in-addr.arpa.: domain name does not exist
[0] 79.72.189.18.in-addr.arpa.: domain name does not exist
[0] 80.72.189.18.in-addr.arpa.: domain name does not exist
[0] 81.72.189.18.in-addr.arpa.: domain name does not exist
[60] 82.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-82.dyn.MIT.EDU
[60] 83.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-83.dyn.MIT.EDU
[0] 84.72.189.18.in-addr.arpa.: domain name does not exist
[0] 85.72.189.18.in-addr.arpa.: domain name does not exist
[60] 86.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-86.dyn.MIT.EDU
[0] 87.72.189.18.in-addr.arpa.: domain name does not exist
[0] 88.72.189.18.in-addr.arpa.: domain name does not exist
[0] 89.72.189.18.in-addr.arpa.: domain name does not exist
[60] 90.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-90.dyn.MIT.EDU
[0] 91.72.189.18.in-addr.arpa.: domain name does not exist
[0] 92.72.189.18.in-addr.arpa.: domain name does not exist
[60] 93.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-93.dyn.MIT.EDU
[0] 94.72.189.18.in-addr.arpa.: domain name does not exist
[0] 95.72.189.18.in-addr.arpa.: domain name does not exist
[60] 96.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-96.dyn.MIT.EDU
[60] 97.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-97.dyn.MIT.EDU
[0] 98.72.189.18.in-addr.arpa.: domain name does not exist
[0] 99.72.189.18.in-addr.arpa.: domain name does not exist
[60] 100.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-100.dyn.MIT.EDU
[0] 101.72.189.18.in-addr.arpa.: domain name does not exist
[0] 102.72.189.18.in-addr.arpa.: domain name does not exist
[0] 103.72.189.18.in-addr.arpa.: domain name does not exist
[0] 104.72.189.18.in-addr.arpa.: domain name does not exist
[60] 105.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-105.dyn.MIT.EDU
[60] 106.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-106.dyn.MIT.EDU
[0] 107.72.189.18.in-addr.arpa.: domain name does not exist
[0] 108.72.189.18.in-addr.arpa.: domain name does not exist
[0] 109.72.189.18.in-addr.arpa.: domain name does not exist
[60] 110.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-110.dyn.MIT.EDU
[60] 111.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-111.dyn.MIT.EDU
[0] 112.72.189.18.in-addr.arpa.: domain name does not exist
[0] 113.72.189.18.in-addr.arpa.: domain name does not exist
[0] 114.72.189.18.in-addr.arpa.: domain name does not exist
[60] 115.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-115.dyn.MIT.EDU
[0] 116.72.189.18.in-addr.arpa.: domain name does not exist
[0] 117.72.189.18.in-addr.arpa.: domain name does not exist
[0] 118.72.189.18.in-addr.arpa.: domain name does not exist
[60] 119.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-119.dyn.MIT.EDU
[0] 120.72.189.18.in-addr.arpa.: domain name does not exist
[60] 121.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-121.dyn.MIT.EDU
[60] 122.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-122.dyn.MIT.EDU
[60] 123.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-123.dyn.MIT.EDU
[0] 124.72.189.18.in-addr.arpa.: domain name does not exist
[0] 125.72.189.18.in-addr.arpa.: domain name does not exist
[60] 126.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-126.dyn.MIT.EDU
[0] 127.72.189.18.in-addr.arpa.: domain name does not exist
[0] 128.72.189.18.in-addr.arpa.: domain name does not exist
[0] 129.72.189.18.in-addr.arpa.: domain name does not exist
[0] 130.72.189.18.in-addr.arpa.: domain name does not exist
[0] 131.72.189.18.in-addr.arpa.: domain name does not exist
[60] 132.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-132.dyn.MIT.EDU
[0] 133.72.189.18.in-addr.arpa.: domain name does not exist
[60] 134.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-134.dyn.MIT.EDU
[0] 135.72.189.18.in-addr.arpa.: domain name does not exist
[0] 136.72.189.18.in-addr.arpa.: domain name does not exist
[60] 137.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-137.dyn.MIT.EDU
[60] 138.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-138.dyn.MIT.EDU
[0] 139.72.189.18.in-addr.arpa.: domain name does not exist
[0] 140.72.189.18.in-addr.arpa.: domain name does not exist
[60] 141.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-141.dyn.MIT.EDU
[0] 142.72.189.18.in-addr.arpa.: domain name does not exist
[0] 143.72.189.18.in-addr.arpa.: domain name does not exist
[60] 144.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-144.dyn.MIT.EDU
[0] 145.72.189.18.in-addr.arpa.: domain name does not exist
[60] 146.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-146.dyn.MIT.EDU
[60] 147.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-147.dyn.MIT.EDU
[0] 148.72.189.18.in-addr.arpa.: domain name does not exist
[0] 149.72.189.18.in-addr.arpa.: domain name does not exist
[60] 150.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-150.dyn.MIT.EDU
[0] 151.72.189.18.in-addr.arpa.: domain name does not exist
[60] 152.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-152.dyn.MIT.EDU
[60] 153.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-153.dyn.MIT.EDU
[0] 154.72.189.18.in-addr.arpa.: domain name does not exist
[60] 155.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-155.dyn.MIT.EDU
[60] 156.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-156.dyn.MIT.EDU
[0] 157.72.189.18.in-addr.arpa.: domain name does not exist
[0] 158.72.189.18.in-addr.arpa.: domain name does not exist
[0] 159.72.189.18.in-addr.arpa.: domain name does not exist
[0] 160.72.189.18.in-addr.arpa.: domain name does not exist
[60] 161.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-161.dyn.MIT.EDU
[0] 162.72.189.18.in-addr.arpa.: domain name does not exist
[0] 163.72.189.18.in-addr.arpa.: domain name does not exist
[60] 164.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-164.dyn.MIT.EDU
[0] 165.72.189.18.in-addr.arpa.: domain name does not exist
[0] 166.72.189.18.in-addr.arpa.: domain name does not exist
[60] 167.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-167.dyn.MIT.EDU
[0] 168.72.189.18.in-addr.arpa.: domain name does not exist
[0] 169.72.189.18.in-addr.arpa.: domain name does not exist
[0] 170.72.189.18.in-addr.arpa.: domain name does not exist
[60] 171.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-171.dyn.MIT.EDU
[0] 172.72.189.18.in-addr.arpa.: domain name does not exist
[60] 173.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-173.dyn.MIT.EDU
[0] 174.72.189.18.in-addr.arpa.: domain name does not exist
[60] 175.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-175.dyn.MIT.EDU
[0] 176.72.189.18.in-addr.arpa.: domain name does not exist
[0] 177.72.189.18.in-addr.arpa.: domain name does not exist
[0] 178.72.189.18.in-addr.arpa.: domain name does not exist
[60] 179.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-179.dyn.MIT.EDU
[0] 180.72.189.18.in-addr.arpa.: domain name does not exist
[60] 181.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-181.dyn.MIT.EDU
[0] 182.72.189.18.in-addr.arpa.: domain name does not exist
[0] 183.72.189.18.in-addr.arpa.: domain name does not exist
[60] 184.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-184.dyn.MIT.EDU
[60] 185.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-185.dyn.MIT.EDU
[60] 186.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-186.dyn.MIT.EDU
[0] 187.72.189.18.in-addr.arpa.: domain name does not exist
[60] 188.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-188.dyn.MIT.EDU
[0] 189.72.189.18.in-addr.arpa.: domain name does not exist
[60] 190.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-190.dyn.MIT.EDU
[60] 191.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-191.dyn.MIT.EDU
[60] 192.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-192.dyn.MIT.EDU
[0] 193.72.189.18.in-addr.arpa.: domain name does not exist
[60] 194.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-194.dyn.MIT.EDU
[0] 195.72.189.18.in-addr.arpa.: domain name does not exist
[60] 196.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-196.dyn.MIT.EDU
[0] 197.72.189.18.in-addr.arpa.: domain name does not exist
[60] 198.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-198.dyn.MIT.EDU
[0] 199.72.189.18.in-addr.arpa.: domain name does not exist
[0] 200.72.189.18.in-addr.arpa.: domain name does not exist
[0] 201.72.189.18.in-addr.arpa.: domain name does not exist
[60] 202.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-202.dyn.MIT.EDU
[0] 203.72.189.18.in-addr.arpa.: domain name does not exist
[0] 204.72.189.18.in-addr.arpa.: domain name does not exist
[60] 205.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-205.dyn.MIT.EDU
[0] 206.72.189.18.in-addr.arpa.: domain name does not exist
[60] 207.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-207.dyn.MIT.EDU
[0] 208.72.189.18.in-addr.arpa.: domain name does not exist
[0] 209.72.189.18.in-addr.arpa.: domain name does not exist
[60] 210.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-210.dyn.MIT.EDU
[60] 211.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-211.dyn.MIT.EDU
[0] 212.72.189.18.in-addr.arpa.: domain name does not exist
[60] 213.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-213.dyn.MIT.EDU
[60] 214.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-214.dyn.MIT.EDU
[60] 215.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-215.dyn.MIT.EDU
[60] 216.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-216.dyn.MIT.EDU
[60] 217.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-217.dyn.MIT.EDU
[60] 218.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-218.dyn.MIT.EDU
[0] 219.72.189.18.in-addr.arpa.: domain name does not exist
[60] 220.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-220.dyn.MIT.EDU
[60] 221.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-221.dyn.MIT.EDU
[60] 222.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-222.dyn.MIT.EDU
[60] 223.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-223.dyn.MIT.EDU
[0] 224.72.189.18.in-addr.arpa.: domain name does not exist
[60] 225.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-225.dyn.MIT.EDU
[0] 226.72.189.18.in-addr.arpa.: domain name does not exist
[60] 227.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-227.dyn.MIT.EDU
[60] 228.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-228.dyn.MIT.EDU
[0] 229.72.189.18.in-addr.arpa.: domain name does not exist
[0] 230.72.189.18.in-addr.arpa.: domain name does not exist
[0] 231.72.189.18.in-addr.arpa.: domain name does not exist
[0] 232.72.189.18.in-addr.arpa.: domain name does not exist
[0] 233.72.189.18.in-addr.arpa.: domain name does not exist
[60] 234.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-234.dyn.MIT.EDU
[0] 235.72.189.18.in-addr.arpa.: domain name does not exist
[0] 236.72.189.18.in-addr.arpa.: domain name does not exist
[0] 237.72.189.18.in-addr.arpa.: domain name does not exist
[60] 238.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-238.dyn.MIT.EDU
[0] 239.72.189.18.in-addr.arpa.: domain name does not exist
[0] 240.72.189.18.in-addr.arpa.: domain name does not exist
[0] 241.72.189.18.in-addr.arpa.: domain name does not exist
[0] 242.72.189.18.in-addr.arpa.: domain name does not exist
[60] 243.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-243.dyn.MIT.EDU
[0] 244.72.189.18.in-addr.arpa.: domain name does not exist
[0] 245.72.189.18.in-addr.arpa.: domain name does not exist
[60] 246.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-246.dyn.MIT.EDU
[0] 247.72.189.18.in-addr.arpa.: domain name does not exist
[0] 248.72.189.18.in-addr.arpa.: domain name does not exist
[0] 249.72.189.18.in-addr.arpa.: domain name does not exist
[60] 250.72.189.18.in-addr.arpa. domain name pointer dhcp-18-189-72-250.dyn.MIT.EDU
[0] 251.72.189.18.in-addr.arpa.: domain name does not exist
[0] 252.72.189.18.in-addr.arpa.: domain name does not exist
[0] 253.72.189.18.in-addr.arpa.: domain name does not exist
[0] 254.72.189.18.in-addr.arpa.: domain name does not exist
[0] 255.72.189.18.in-addr.arpa.: domain name does not exist