[0] 0.9.189.18.in-addr.arpa.: domain name does not exist
[0] 1.9.189.18.in-addr.arpa.: domain name does not exist
[0] 2.9.189.18.in-addr.arpa.: domain name does not exist
[0] 3.9.189.18.in-addr.arpa.: domain name does not exist
[0] 4.9.189.18.in-addr.arpa.: domain name does not exist
[60] 5.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-5.dyn.MIT.EDU
[60] 6.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-6.dyn.MIT.EDU
[0] 7.9.189.18.in-addr.arpa.: domain name does not exist
[0] 8.9.189.18.in-addr.arpa.: domain name does not exist
[0] 9.9.189.18.in-addr.arpa.: domain name does not exist
[60] 10.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-10.dyn.MIT.EDU
[0] 11.9.189.18.in-addr.arpa.: domain name does not exist
[0] 12.9.189.18.in-addr.arpa.: domain name does not exist
[60] 13.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-13.dyn.MIT.EDU
[60] 14.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-14.dyn.MIT.EDU
[0] 15.9.189.18.in-addr.arpa.: domain name does not exist
[0] 16.9.189.18.in-addr.arpa.: domain name does not exist
[0] 17.9.189.18.in-addr.arpa.: domain name does not exist
[0] 18.9.189.18.in-addr.arpa.: domain name does not exist
[0] 19.9.189.18.in-addr.arpa.: domain name does not exist
[60] 20.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-20.dyn.MIT.EDU
[60] 21.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-21.dyn.MIT.EDU
[60] 22.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-22.dyn.MIT.EDU
[60] 23.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-23.dyn.MIT.EDU
[0] 24.9.189.18.in-addr.arpa.: domain name does not exist
[60] 25.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-25.dyn.MIT.EDU
[60] 26.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-26.dyn.MIT.EDU
[0] 27.9.189.18.in-addr.arpa.: domain name does not exist
[60] 28.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-28.dyn.MIT.EDU
[60] 29.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-29.dyn.MIT.EDU
[0] 30.9.189.18.in-addr.arpa.: domain name does not exist
[60] 31.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-31.dyn.MIT.EDU
[60] 32.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-32.dyn.MIT.EDU
[0] 33.9.189.18.in-addr.arpa.: domain name does not exist
[0] 34.9.189.18.in-addr.arpa.: domain name does not exist
[60] 35.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-35.dyn.MIT.EDU
[60] 36.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-36.dyn.MIT.EDU
[60] 37.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-37.dyn.MIT.EDU
[60] 38.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-38.dyn.MIT.EDU
[0] 39.9.189.18.in-addr.arpa.: domain name does not exist
[0] 40.9.189.18.in-addr.arpa.: domain name does not exist
[60] 41.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-41.dyn.MIT.EDU
[0] 42.9.189.18.in-addr.arpa.: domain name does not exist
[0] 43.9.189.18.in-addr.arpa.: domain name does not exist
[60] 44.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-44.dyn.MIT.EDU
[60] 45.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-45.dyn.MIT.EDU
[0] 46.9.189.18.in-addr.arpa.: domain name does not exist
[60] 47.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-47.dyn.MIT.EDU
[0] 48.9.189.18.in-addr.arpa.: domain name does not exist
[60] 49.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-49.dyn.MIT.EDU
[0] 50.9.189.18.in-addr.arpa.: domain name does not exist
[60] 51.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-51.dyn.MIT.EDU
[60] 52.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-52.dyn.MIT.EDU
[0] 53.9.189.18.in-addr.arpa.: domain name does not exist
[0] 54.9.189.18.in-addr.arpa.: domain name does not exist
[0] 55.9.189.18.in-addr.arpa.: domain name does not exist
[60] 56.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-56.dyn.MIT.EDU
[0] 57.9.189.18.in-addr.arpa.: domain name does not exist
[60] 58.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-58.dyn.MIT.EDU
[0] 59.9.189.18.in-addr.arpa.: domain name does not exist
[0] 60.9.189.18.in-addr.arpa.: domain name does not exist
[60] 61.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-61.dyn.MIT.EDU
[60] 62.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-62.dyn.MIT.EDU
[60] 63.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-63.dyn.MIT.EDU
[60] 64.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-64.dyn.MIT.EDU
[60] 65.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-65.dyn.MIT.EDU
[60] 66.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-66.dyn.MIT.EDU
[0] 67.9.189.18.in-addr.arpa.: domain name does not exist
[0] 68.9.189.18.in-addr.arpa.: domain name does not exist
[0] 69.9.189.18.in-addr.arpa.: domain name does not exist
[60] 70.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-70.dyn.MIT.EDU
[60] 71.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-71.dyn.MIT.EDU
[60] 72.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-72.dyn.MIT.EDU
[60] 73.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-73.dyn.MIT.EDU
[0] 74.9.189.18.in-addr.arpa.: domain name does not exist
[60] 75.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-75.dyn.MIT.EDU
[60] 76.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-76.dyn.MIT.EDU
[60] 77.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-77.dyn.MIT.EDU
[0] 78.9.189.18.in-addr.arpa.: domain name does not exist
[60] 79.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-79.dyn.MIT.EDU
[60] 80.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-80.dyn.MIT.EDU
[0] 81.9.189.18.in-addr.arpa.: domain name does not exist
[60] 82.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-82.dyn.MIT.EDU
[0] 83.9.189.18.in-addr.arpa.: domain name does not exist
[0] 84.9.189.18.in-addr.arpa.: domain name does not exist
[60] 85.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-85.dyn.MIT.EDU
[60] 86.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-86.dyn.MIT.EDU
[60] 87.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-87.dyn.MIT.EDU
[0] 88.9.189.18.in-addr.arpa.: domain name does not exist
[60] 89.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-89.dyn.MIT.EDU
[0] 90.9.189.18.in-addr.arpa.: domain name does not exist
[60] 91.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-91.dyn.MIT.EDU
[60] 92.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-92.dyn.MIT.EDU
[0] 93.9.189.18.in-addr.arpa.: domain name does not exist
[0] 94.9.189.18.in-addr.arpa.: domain name does not exist
[0] 95.9.189.18.in-addr.arpa.: domain name does not exist
[60] 96.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-96.dyn.MIT.EDU
[0] 97.9.189.18.in-addr.arpa.: domain name does not exist
[0] 98.9.189.18.in-addr.arpa.: domain name does not exist
[60] 99.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-99.dyn.MIT.EDU
[0] 100.9.189.18.in-addr.arpa.: domain name does not exist
[60] 101.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-101.dyn.MIT.EDU
[0] 102.9.189.18.in-addr.arpa.: domain name does not exist
[60] 103.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-103.dyn.MIT.EDU
[60] 104.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-104.dyn.MIT.EDU
[60] 105.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-105.dyn.MIT.EDU
[60] 106.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-106.dyn.MIT.EDU
[60] 107.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-107.dyn.MIT.EDU
[60] 108.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-108.dyn.MIT.EDU
[60] 109.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-109.dyn.MIT.EDU
[60] 110.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-110.dyn.MIT.EDU
[60] 111.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-111.dyn.MIT.EDU
[0] 112.9.189.18.in-addr.arpa.: domain name does not exist
[60] 113.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-113.dyn.MIT.EDU
[60] 114.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-114.dyn.MIT.EDU
[60] 115.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-115.dyn.MIT.EDU
[60] 116.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-116.dyn.MIT.EDU
[60] 117.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-117.dyn.MIT.EDU
[0] 118.9.189.18.in-addr.arpa.: domain name does not exist
[60] 119.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-119.dyn.MIT.EDU
[0] 120.9.189.18.in-addr.arpa.: domain name does not exist
[0] 121.9.189.18.in-addr.arpa.: domain name does not exist
[60] 122.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-122.dyn.MIT.EDU
[0] 123.9.189.18.in-addr.arpa.: domain name does not exist
[60] 124.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-124.dyn.MIT.EDU
[60] 125.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-125.dyn.MIT.EDU
[0] 126.9.189.18.in-addr.arpa.: domain name does not exist
[60] 127.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-127.dyn.MIT.EDU
[0] 128.9.189.18.in-addr.arpa.: domain name does not exist
[0] 129.9.189.18.in-addr.arpa.: domain name does not exist
[60] 130.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-130.dyn.MIT.EDU
[0] 131.9.189.18.in-addr.arpa.: domain name does not exist
[0] 132.9.189.18.in-addr.arpa.: domain name does not exist
[60] 133.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-133.dyn.MIT.EDU
[0] 134.9.189.18.in-addr.arpa.: domain name does not exist
[60] 135.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-135.dyn.MIT.EDU
[0] 136.9.189.18.in-addr.arpa.: domain name does not exist
[0] 137.9.189.18.in-addr.arpa.: domain name does not exist
[60] 138.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-138.dyn.MIT.EDU
[60] 139.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-139.dyn.MIT.EDU
[0] 140.9.189.18.in-addr.arpa.: domain name does not exist
[0] 141.9.189.18.in-addr.arpa.: domain name does not exist
[60] 142.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-142.dyn.MIT.EDU
[60] 143.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-143.dyn.MIT.EDU
[0] 144.9.189.18.in-addr.arpa.: domain name does not exist
[0] 145.9.189.18.in-addr.arpa.: domain name does not exist
[0] 146.9.189.18.in-addr.arpa.: domain name does not exist
[60] 147.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-147.dyn.MIT.EDU
[60] 148.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-148.dyn.MIT.EDU
[0] 149.9.189.18.in-addr.arpa.: domain name does not exist
[60] 150.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-150.dyn.MIT.EDU
[60] 151.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-151.dyn.MIT.EDU
[60] 152.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-152.dyn.MIT.EDU
[60] 153.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-153.dyn.MIT.EDU
[60] 154.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-154.dyn.MIT.EDU
[0] 155.9.189.18.in-addr.arpa.: domain name does not exist
[0] 156.9.189.18.in-addr.arpa.: domain name does not exist
[0] 157.9.189.18.in-addr.arpa.: domain name does not exist
[0] 158.9.189.18.in-addr.arpa.: domain name does not exist
[60] 159.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-159.dyn.MIT.EDU
[60] 160.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-160.dyn.MIT.EDU
[60] 161.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-161.dyn.MIT.EDU
[0] 162.9.189.18.in-addr.arpa.: domain name does not exist
[60] 163.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-163.dyn.MIT.EDU
[60] 164.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-164.dyn.MIT.EDU
[0] 165.9.189.18.in-addr.arpa.: domain name does not exist
[60] 166.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-166.dyn.MIT.EDU
[60] 167.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-167.dyn.MIT.EDU
[0] 168.9.189.18.in-addr.arpa.: domain name does not exist
[0] 169.9.189.18.in-addr.arpa.: domain name does not exist
[0] 170.9.189.18.in-addr.arpa.: domain name does not exist
[60] 171.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-171.dyn.MIT.EDU
[60] 172.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-172.dyn.MIT.EDU
[0] 173.9.189.18.in-addr.arpa.: domain name does not exist
[0] 174.9.189.18.in-addr.arpa.: domain name does not exist
[0] 175.9.189.18.in-addr.arpa.: domain name does not exist
[60] 176.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-176.dyn.MIT.EDU
[0] 177.9.189.18.in-addr.arpa.: domain name does not exist
[60] 178.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-178.dyn.MIT.EDU
[60] 179.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-179.dyn.MIT.EDU
[0] 180.9.189.18.in-addr.arpa.: domain name does not exist
[0] 181.9.189.18.in-addr.arpa.: domain name does not exist
[0] 182.9.189.18.in-addr.arpa.: domain name does not exist
[0] 183.9.189.18.in-addr.arpa.: domain name does not exist
[0] 184.9.189.18.in-addr.arpa.: domain name does not exist
[0] 185.9.189.18.in-addr.arpa.: domain name does not exist
[60] 186.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-186.dyn.MIT.EDU
[60] 187.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-187.dyn.MIT.EDU
[60] 188.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-188.dyn.MIT.EDU
[60] 189.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-189.dyn.MIT.EDU
[0] 190.9.189.18.in-addr.arpa.: domain name does not exist
[60] 191.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-191.dyn.MIT.EDU
[0] 192.9.189.18.in-addr.arpa.: domain name does not exist
[60] 193.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-193.dyn.MIT.EDU
[60] 194.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-194.dyn.MIT.EDU
[60] 195.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-195.dyn.MIT.EDU
[60] 196.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-196.dyn.MIT.EDU
[60] 197.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-197.dyn.MIT.EDU
[0] 198.9.189.18.in-addr.arpa.: domain name does not exist
[0] 199.9.189.18.in-addr.arpa.: domain name does not exist
[0] 200.9.189.18.in-addr.arpa.: domain name does not exist
[0] 201.9.189.18.in-addr.arpa.: domain name does not exist
[0] 202.9.189.18.in-addr.arpa.: domain name does not exist
[60] 203.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-203.dyn.MIT.EDU
[60] 204.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-204.dyn.MIT.EDU
[60] 205.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-205.dyn.MIT.EDU
[60] 206.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-206.dyn.MIT.EDU
[0] 207.9.189.18.in-addr.arpa.: domain name does not exist
[60] 208.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-208.dyn.MIT.EDU
[0] 209.9.189.18.in-addr.arpa.: domain name does not exist
[0] 210.9.189.18.in-addr.arpa.: domain name does not exist
[60] 211.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-211.dyn.MIT.EDU
[60] 212.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-212.dyn.MIT.EDU
[60] 213.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-213.dyn.MIT.EDU
[0] 214.9.189.18.in-addr.arpa.: domain name does not exist
[60] 215.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-215.dyn.MIT.EDU
[60] 216.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-216.dyn.MIT.EDU
[60] 217.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-217.dyn.MIT.EDU
[60] 218.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-218.dyn.MIT.EDU
[0] 219.9.189.18.in-addr.arpa.: domain name does not exist
[0] 220.9.189.18.in-addr.arpa.: domain name does not exist
[60] 221.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-221.dyn.MIT.EDU
[60] 222.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-222.dyn.MIT.EDU
[60] 223.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-223.dyn.MIT.EDU
[0] 224.9.189.18.in-addr.arpa.: domain name does not exist
[60] 225.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-225.dyn.MIT.EDU
[60] 226.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-226.dyn.MIT.EDU
[60] 227.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-227.dyn.MIT.EDU
[60] 228.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-228.dyn.MIT.EDU
[60] 229.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-229.dyn.MIT.EDU
[60] 230.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-230.dyn.MIT.EDU
[60] 231.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-231.dyn.MIT.EDU
[60] 232.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-232.dyn.MIT.EDU
[60] 233.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-233.dyn.MIT.EDU
[60] 234.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-234.dyn.MIT.EDU
[60] 235.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-235.dyn.MIT.EDU
[60] 236.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-236.dyn.MIT.EDU
[60] 237.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-237.dyn.MIT.EDU
[0] 238.9.189.18.in-addr.arpa.: domain name does not exist
[60] 239.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-239.dyn.MIT.EDU
[60] 240.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-240.dyn.MIT.EDU
[0] 241.9.189.18.in-addr.arpa.: domain name does not exist
[60] 242.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-242.dyn.MIT.EDU
[0] 243.9.189.18.in-addr.arpa.: domain name does not exist
[0] 244.9.189.18.in-addr.arpa.: domain name does not exist
[0] 245.9.189.18.in-addr.arpa.: domain name does not exist
[60] 246.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-246.dyn.MIT.EDU
[0] 247.9.189.18.in-addr.arpa.: domain name does not exist
[60] 248.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-248.dyn.MIT.EDU
[0] 249.9.189.18.in-addr.arpa.: domain name does not exist
[60] 250.9.189.18.in-addr.arpa. domain name pointer dhcp-18-189-9-250.dyn.MIT.EDU
[0] 251.9.189.18.in-addr.arpa.: domain name does not exist
[0] 252.9.189.18.in-addr.arpa.: domain name does not exist
[0] 253.9.189.18.in-addr.arpa.: domain name does not exist
[0] 254.9.189.18.in-addr.arpa.: domain name does not exist
[0] 255.9.189.18.in-addr.arpa.: domain name does not exist