[0] 0.58.189.18.in-addr.arpa.: domain name does not exist
[0] 1.58.189.18.in-addr.arpa.: domain name does not exist
[0] 2.58.189.18.in-addr.arpa.: domain name does not exist
[0] 3.58.189.18.in-addr.arpa.: domain name does not exist
[0] 4.58.189.18.in-addr.arpa.: domain name does not exist
[60] 5.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-5.dyn.MIT.EDU
[0] 6.58.189.18.in-addr.arpa.: domain name does not exist
[60] 7.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-7.dyn.MIT.EDU
[60] 8.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-8.dyn.MIT.EDU
[60] 9.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-9.dyn.MIT.EDU
[60] 10.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-10.dyn.MIT.EDU
[60] 11.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-11.dyn.MIT.EDU
[60] 12.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-12.dyn.MIT.EDU
[0] 13.58.189.18.in-addr.arpa.: domain name does not exist
[60] 14.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-14.dyn.MIT.EDU
[0] 15.58.189.18.in-addr.arpa.: domain name does not exist
[60] 16.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-16.dyn.MIT.EDU
[0] 17.58.189.18.in-addr.arpa.: domain name does not exist
[60] 18.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-18.dyn.MIT.EDU
[60] 19.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-19.dyn.MIT.EDU
[0] 20.58.189.18.in-addr.arpa.: domain name does not exist
[60] 21.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-21.dyn.MIT.EDU
[60] 22.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-22.dyn.MIT.EDU
[0] 23.58.189.18.in-addr.arpa.: domain name does not exist
[0] 24.58.189.18.in-addr.arpa.: domain name does not exist
[60] 25.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-25.dyn.MIT.EDU
[60] 26.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-26.dyn.MIT.EDU
[0] 27.58.189.18.in-addr.arpa.: domain name does not exist
[0] 28.58.189.18.in-addr.arpa.: domain name does not exist
[0] 29.58.189.18.in-addr.arpa.: domain name does not exist
[60] 30.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-30.dyn.MIT.EDU
[0] 31.58.189.18.in-addr.arpa.: domain name does not exist
[0] 32.58.189.18.in-addr.arpa.: domain name does not exist
[60] 33.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-33.dyn.MIT.EDU
[60] 34.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-34.dyn.MIT.EDU
[0] 35.58.189.18.in-addr.arpa.: domain name does not exist
[0] 36.58.189.18.in-addr.arpa.: domain name does not exist
[0] 37.58.189.18.in-addr.arpa.: domain name does not exist
[60] 38.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-38.dyn.MIT.EDU
[60] 39.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-39.dyn.MIT.EDU
[0] 40.58.189.18.in-addr.arpa.: domain name does not exist
[60] 41.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-41.dyn.MIT.EDU
[60] 42.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-42.dyn.MIT.EDU
[60] 43.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-43.dyn.MIT.EDU
[60] 44.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-44.dyn.MIT.EDU
[60] 45.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-45.dyn.MIT.EDU
[60] 46.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-46.dyn.MIT.EDU
[60] 47.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-47.dyn.MIT.EDU
[60] 48.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-48.dyn.MIT.EDU
[0] 49.58.189.18.in-addr.arpa.: domain name does not exist
[60] 50.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-50.dyn.MIT.EDU
[0] 51.58.189.18.in-addr.arpa.: domain name does not exist
[0] 52.58.189.18.in-addr.arpa.: domain name does not exist
[60] 53.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-53.dyn.MIT.EDU
[60] 54.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-54.dyn.MIT.EDU
[0] 55.58.189.18.in-addr.arpa.: domain name does not exist
[60] 56.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-56.dyn.MIT.EDU
[60] 57.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-57.dyn.MIT.EDU
[0] 58.58.189.18.in-addr.arpa.: domain name does not exist
[60] 59.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-59.dyn.MIT.EDU
[60] 60.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-60.dyn.MIT.EDU
[60] 61.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-61.dyn.MIT.EDU
[0] 62.58.189.18.in-addr.arpa.: domain name does not exist
[60] 63.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-63.dyn.MIT.EDU
[60] 64.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-64.dyn.MIT.EDU
[0] 65.58.189.18.in-addr.arpa.: domain name does not exist
[60] 66.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-66.dyn.MIT.EDU
[0] 67.58.189.18.in-addr.arpa.: domain name does not exist
[0] 68.58.189.18.in-addr.arpa.: domain name does not exist
[0] 69.58.189.18.in-addr.arpa.: domain name does not exist
[0] 70.58.189.18.in-addr.arpa.: domain name does not exist
[60] 71.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-71.dyn.MIT.EDU
[60] 72.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-72.dyn.MIT.EDU
[60] 73.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-73.dyn.MIT.EDU
[0] 74.58.189.18.in-addr.arpa.: domain name does not exist
[0] 75.58.189.18.in-addr.arpa.: domain name does not exist
[60] 76.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-76.dyn.MIT.EDU
[60] 77.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-77.dyn.MIT.EDU
[60] 78.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-78.dyn.MIT.EDU
[0] 79.58.189.18.in-addr.arpa.: domain name does not exist
[60] 80.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-80.dyn.MIT.EDU
[60] 81.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-81.dyn.MIT.EDU
[60] 82.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-82.dyn.MIT.EDU
[60] 83.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-83.dyn.MIT.EDU
[0] 84.58.189.18.in-addr.arpa.: domain name does not exist
[0] 85.58.189.18.in-addr.arpa.: domain name does not exist
[60] 86.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-86.dyn.MIT.EDU
[0] 87.58.189.18.in-addr.arpa.: domain name does not exist
[60] 88.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-88.dyn.MIT.EDU
[0] 89.58.189.18.in-addr.arpa.: domain name does not exist
[0] 90.58.189.18.in-addr.arpa.: domain name does not exist
[60] 91.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-91.dyn.MIT.EDU
[0] 92.58.189.18.in-addr.arpa.: domain name does not exist
[0] 93.58.189.18.in-addr.arpa.: domain name does not exist
[60] 94.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-94.dyn.MIT.EDU
[0] 95.58.189.18.in-addr.arpa.: domain name does not exist
[60] 96.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-96.dyn.MIT.EDU
[0] 97.58.189.18.in-addr.arpa.: domain name does not exist
[60] 98.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-98.dyn.MIT.EDU
[0] 99.58.189.18.in-addr.arpa.: domain name does not exist
[60] 100.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-100.dyn.MIT.EDU
[0] 101.58.189.18.in-addr.arpa.: domain name does not exist
[60] 102.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-102.dyn.MIT.EDU
[60] 103.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-103.dyn.MIT.EDU
[0] 104.58.189.18.in-addr.arpa.: domain name does not exist
[60] 105.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-105.dyn.MIT.EDU
[60] 106.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-106.dyn.MIT.EDU
[60] 107.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-107.dyn.MIT.EDU
[0] 108.58.189.18.in-addr.arpa.: domain name does not exist
[60] 109.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-109.dyn.MIT.EDU
[0] 110.58.189.18.in-addr.arpa.: domain name does not exist
[60] 111.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-111.dyn.MIT.EDU
[60] 112.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-112.dyn.MIT.EDU
[0] 113.58.189.18.in-addr.arpa.: domain name does not exist
[0] 114.58.189.18.in-addr.arpa.: domain name does not exist
[0] 115.58.189.18.in-addr.arpa.: domain name does not exist
[0] 116.58.189.18.in-addr.arpa.: domain name does not exist
[0] 117.58.189.18.in-addr.arpa.: domain name does not exist
[0] 118.58.189.18.in-addr.arpa.: domain name does not exist
[0] 119.58.189.18.in-addr.arpa.: domain name does not exist
[60] 120.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-120.dyn.MIT.EDU
[60] 121.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-121.dyn.MIT.EDU
[60] 122.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-122.dyn.MIT.EDU
[60] 123.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-123.dyn.MIT.EDU
[60] 124.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-124.dyn.MIT.EDU
[60] 125.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-125.dyn.MIT.EDU
[60] 126.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-126.dyn.MIT.EDU
[0] 127.58.189.18.in-addr.arpa.: domain name does not exist
[0] 128.58.189.18.in-addr.arpa.: domain name does not exist
[0] 129.58.189.18.in-addr.arpa.: domain name does not exist
[60] 130.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-130.dyn.MIT.EDU
[60] 131.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-131.dyn.MIT.EDU
[0] 132.58.189.18.in-addr.arpa.: domain name does not exist
[0] 133.58.189.18.in-addr.arpa.: domain name does not exist
[0] 134.58.189.18.in-addr.arpa.: domain name does not exist
[0] 135.58.189.18.in-addr.arpa.: domain name does not exist
[60] 136.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-136.dyn.MIT.EDU
[60] 137.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-137.dyn.MIT.EDU
[0] 138.58.189.18.in-addr.arpa.: domain name does not exist
[60] 139.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-139.dyn.MIT.EDU
[0] 140.58.189.18.in-addr.arpa.: domain name does not exist
[0] 141.58.189.18.in-addr.arpa.: domain name does not exist
[60] 142.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-142.dyn.MIT.EDU
[0] 143.58.189.18.in-addr.arpa.: domain name does not exist
[0] 144.58.189.18.in-addr.arpa.: domain name does not exist
[60] 145.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-145.dyn.MIT.EDU
[60] 146.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-146.dyn.MIT.EDU
[0] 147.58.189.18.in-addr.arpa.: domain name does not exist
[60] 148.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-148.dyn.MIT.EDU
[0] 149.58.189.18.in-addr.arpa.: domain name does not exist
[60] 150.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-150.dyn.MIT.EDU
[0] 151.58.189.18.in-addr.arpa.: domain name does not exist
[0] 152.58.189.18.in-addr.arpa.: domain name does not exist
[0] 153.58.189.18.in-addr.arpa.: domain name does not exist
[0] 154.58.189.18.in-addr.arpa.: domain name does not exist
[0] 155.58.189.18.in-addr.arpa.: domain name does not exist
[60] 156.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-156.dyn.MIT.EDU
[60] 157.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-157.dyn.MIT.EDU
[60] 158.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-158.dyn.MIT.EDU
[0] 159.58.189.18.in-addr.arpa.: domain name does not exist
[0] 160.58.189.18.in-addr.arpa.: domain name does not exist
[0] 161.58.189.18.in-addr.arpa.: domain name does not exist
[60] 162.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-162.dyn.MIT.EDU
[60] 163.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-163.dyn.MIT.EDU
[0] 164.58.189.18.in-addr.arpa.: domain name does not exist
[0] 165.58.189.18.in-addr.arpa.: domain name does not exist
[0] 166.58.189.18.in-addr.arpa.: domain name does not exist
[0] 167.58.189.18.in-addr.arpa.: domain name does not exist
[0] 168.58.189.18.in-addr.arpa.: domain name does not exist
[0] 169.58.189.18.in-addr.arpa.: domain name does not exist
[60] 170.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-170.dyn.MIT.EDU
[60] 171.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-171.dyn.MIT.EDU
[60] 172.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-172.dyn.MIT.EDU
[0] 173.58.189.18.in-addr.arpa.: domain name does not exist
[0] 174.58.189.18.in-addr.arpa.: domain name does not exist
[0] 175.58.189.18.in-addr.arpa.: domain name does not exist
[60] 176.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-176.dyn.MIT.EDU
[0] 177.58.189.18.in-addr.arpa.: domain name does not exist
[60] 178.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-178.dyn.MIT.EDU
[60] 179.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-179.dyn.MIT.EDU
[60] 180.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-180.dyn.MIT.EDU
[60] 181.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-181.dyn.MIT.EDU
[60] 182.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-182.dyn.MIT.EDU
[0] 183.58.189.18.in-addr.arpa.: domain name does not exist
[60] 184.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-184.dyn.MIT.EDU
[60] 185.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-185.dyn.MIT.EDU
[60] 186.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-186.dyn.MIT.EDU
[0] 187.58.189.18.in-addr.arpa.: domain name does not exist
[60] 188.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-188.dyn.MIT.EDU
[60] 189.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-189.dyn.MIT.EDU
[0] 190.58.189.18.in-addr.arpa.: domain name does not exist
[0] 191.58.189.18.in-addr.arpa.: domain name does not exist
[60] 192.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-192.dyn.MIT.EDU
[60] 193.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-193.dyn.MIT.EDU
[0] 194.58.189.18.in-addr.arpa.: domain name does not exist
[0] 195.58.189.18.in-addr.arpa.: domain name does not exist
[60] 196.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-196.dyn.MIT.EDU
[60] 197.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-197.dyn.MIT.EDU
[60] 198.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-198.dyn.MIT.EDU
[60] 199.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-199.dyn.MIT.EDU
[60] 200.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-200.dyn.MIT.EDU
[60] 201.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-201.dyn.MIT.EDU
[60] 202.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-202.dyn.MIT.EDU
[0] 203.58.189.18.in-addr.arpa.: domain name does not exist
[0] 204.58.189.18.in-addr.arpa.: domain name does not exist
[60] 205.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-205.dyn.MIT.EDU
[0] 206.58.189.18.in-addr.arpa.: domain name does not exist
[0] 207.58.189.18.in-addr.arpa.: domain name does not exist
[60] 208.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-208.dyn.MIT.EDU
[0] 209.58.189.18.in-addr.arpa.: domain name does not exist
[60] 210.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-210.dyn.MIT.EDU
[0] 211.58.189.18.in-addr.arpa.: domain name does not exist
[60] 212.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-212.dyn.MIT.EDU
[60] 213.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-213.dyn.MIT.EDU
[60] 214.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-214.dyn.MIT.EDU
[60] 215.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-215.dyn.MIT.EDU
[0] 216.58.189.18.in-addr.arpa.: domain name does not exist
[0] 217.58.189.18.in-addr.arpa.: domain name does not exist
[0] 218.58.189.18.in-addr.arpa.: domain name does not exist
[60] 219.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-219.dyn.MIT.EDU
[0] 220.58.189.18.in-addr.arpa.: domain name does not exist
[0] 221.58.189.18.in-addr.arpa.: domain name does not exist
[60] 222.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-222.dyn.MIT.EDU
[0] 223.58.189.18.in-addr.arpa.: domain name does not exist
[60] 224.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-224.dyn.MIT.EDU
[0] 225.58.189.18.in-addr.arpa.: domain name does not exist
[60] 226.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-226.dyn.MIT.EDU
[60] 227.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-227.dyn.MIT.EDU
[0] 228.58.189.18.in-addr.arpa.: domain name does not exist
[60] 229.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-229.dyn.MIT.EDU
[0] 230.58.189.18.in-addr.arpa.: domain name does not exist
[60] 231.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-231.dyn.MIT.EDU
[60] 232.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-232.dyn.MIT.EDU
[0] 233.58.189.18.in-addr.arpa.: domain name does not exist
[0] 234.58.189.18.in-addr.arpa.: domain name does not exist
[60] 235.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-235.dyn.MIT.EDU
[60] 236.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-236.dyn.MIT.EDU
[0] 237.58.189.18.in-addr.arpa.: domain name does not exist
[60] 238.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-238.dyn.MIT.EDU
[60] 239.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-239.dyn.MIT.EDU
[60] 240.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-240.dyn.MIT.EDU
[0] 241.58.189.18.in-addr.arpa.: domain name does not exist
[60] 242.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-242.dyn.MIT.EDU
[60] 243.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-243.dyn.MIT.EDU
[60] 244.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-244.dyn.MIT.EDU
[0] 245.58.189.18.in-addr.arpa.: domain name does not exist
[0] 246.58.189.18.in-addr.arpa.: domain name does not exist
[60] 247.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-247.dyn.MIT.EDU
[60] 248.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-248.dyn.MIT.EDU
[60] 249.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-249.dyn.MIT.EDU
[60] 250.58.189.18.in-addr.arpa. domain name pointer dhcp-18-189-58-250.dyn.MIT.EDU
[0] 251.58.189.18.in-addr.arpa.: domain name does not exist
[0] 252.58.189.18.in-addr.arpa.: domain name does not exist
[0] 253.58.189.18.in-addr.arpa.: domain name does not exist
[0] 254.58.189.18.in-addr.arpa.: domain name does not exist
[0] 255.58.189.18.in-addr.arpa.: domain name does not exist