[0] 0.39.189.18.in-addr.arpa.: domain name does not exist
[0] 1.39.189.18.in-addr.arpa.: domain name does not exist
[0] 2.39.189.18.in-addr.arpa.: domain name does not exist
[0] 3.39.189.18.in-addr.arpa.: domain name does not exist
[0] 4.39.189.18.in-addr.arpa.: domain name does not exist
[60] 5.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-5.dyn.MIT.EDU
[0] 6.39.189.18.in-addr.arpa.: domain name does not exist
[0] 7.39.189.18.in-addr.arpa.: domain name does not exist
[60] 8.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-8.dyn.MIT.EDU
[60] 9.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-9.dyn.MIT.EDU
[0] 10.39.189.18.in-addr.arpa.: domain name does not exist
[0] 11.39.189.18.in-addr.arpa.: domain name does not exist
[0] 12.39.189.18.in-addr.arpa.: domain name does not exist
[60] 13.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-13.dyn.MIT.EDU
[0] 14.39.189.18.in-addr.arpa.: domain name does not exist
[0] 15.39.189.18.in-addr.arpa.: domain name does not exist
[60] 16.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-16.dyn.MIT.EDU
[0] 17.39.189.18.in-addr.arpa.: domain name does not exist
[60] 18.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-18.dyn.MIT.EDU
[0] 19.39.189.18.in-addr.arpa.: domain name does not exist
[60] 20.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-20.dyn.MIT.EDU
[60] 21.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-21.dyn.MIT.EDU
[0] 22.39.189.18.in-addr.arpa.: domain name does not exist
[0] 23.39.189.18.in-addr.arpa.: domain name does not exist
[60] 24.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-24.dyn.MIT.EDU
[60] 25.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-25.dyn.MIT.EDU
[60] 26.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-26.dyn.MIT.EDU
[60] 27.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-27.dyn.MIT.EDU
[60] 28.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-28.dyn.MIT.EDU
[0] 29.39.189.18.in-addr.arpa.: domain name does not exist
[0] 30.39.189.18.in-addr.arpa.: domain name does not exist
[60] 31.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-31.dyn.MIT.EDU
[60] 32.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-32.dyn.MIT.EDU
[60] 33.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-33.dyn.MIT.EDU
[0] 34.39.189.18.in-addr.arpa.: domain name does not exist
[60] 35.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-35.dyn.MIT.EDU
[60] 36.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-36.dyn.MIT.EDU
[60] 37.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-37.dyn.MIT.EDU
[0] 38.39.189.18.in-addr.arpa.: domain name does not exist
[60] 39.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-39.dyn.MIT.EDU
[0] 40.39.189.18.in-addr.arpa.: domain name does not exist
[60] 41.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-41.dyn.MIT.EDU
[0] 42.39.189.18.in-addr.arpa.: domain name does not exist
[60] 43.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-43.dyn.MIT.EDU
[0] 44.39.189.18.in-addr.arpa.: domain name does not exist
[60] 45.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-45.dyn.MIT.EDU
[0] 46.39.189.18.in-addr.arpa.: domain name does not exist
[60] 47.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-47.dyn.MIT.EDU
[60] 48.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-48.dyn.MIT.EDU
[60] 49.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-49.dyn.MIT.EDU
[0] 50.39.189.18.in-addr.arpa.: domain name does not exist
[0] 51.39.189.18.in-addr.arpa.: domain name does not exist
[60] 52.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-52.dyn.MIT.EDU
[60] 53.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-53.dyn.MIT.EDU
[0] 54.39.189.18.in-addr.arpa.: domain name does not exist
[0] 55.39.189.18.in-addr.arpa.: domain name does not exist
[0] 56.39.189.18.in-addr.arpa.: domain name does not exist
[60] 57.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-57.dyn.MIT.EDU
[0] 58.39.189.18.in-addr.arpa.: domain name does not exist
[60] 59.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-59.dyn.MIT.EDU
[60] 60.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-60.dyn.MIT.EDU
[60] 61.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-61.dyn.MIT.EDU
[60] 62.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-62.dyn.MIT.EDU
[60] 63.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-63.dyn.MIT.EDU
[60] 64.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-64.dyn.MIT.EDU
[60] 65.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-65.dyn.MIT.EDU
[0] 66.39.189.18.in-addr.arpa.: domain name does not exist
[60] 67.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-67.dyn.MIT.EDU
[0] 68.39.189.18.in-addr.arpa.: domain name does not exist
[60] 69.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-69.dyn.MIT.EDU
[0] 70.39.189.18.in-addr.arpa.: domain name does not exist
[0] 71.39.189.18.in-addr.arpa.: domain name does not exist
[0] 72.39.189.18.in-addr.arpa.: domain name does not exist
[0] 73.39.189.18.in-addr.arpa.: domain name does not exist
[0] 74.39.189.18.in-addr.arpa.: domain name does not exist
[0] 75.39.189.18.in-addr.arpa.: domain name does not exist
[60] 76.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-76.dyn.MIT.EDU
[60] 77.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-77.dyn.MIT.EDU
[60] 78.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-78.dyn.MIT.EDU
[60] 79.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-79.dyn.MIT.EDU
[60] 80.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-80.dyn.MIT.EDU
[0] 81.39.189.18.in-addr.arpa.: domain name does not exist
[60] 82.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-82.dyn.MIT.EDU
[0] 83.39.189.18.in-addr.arpa.: domain name does not exist
[60] 84.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-84.dyn.MIT.EDU
[60] 85.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-85.dyn.MIT.EDU
[60] 86.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-86.dyn.MIT.EDU
[0] 87.39.189.18.in-addr.arpa.: domain name does not exist
[60] 88.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-88.dyn.MIT.EDU
[60] 89.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-89.dyn.MIT.EDU
[60] 90.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-90.dyn.MIT.EDU
[0] 91.39.189.18.in-addr.arpa.: domain name does not exist
[0] 92.39.189.18.in-addr.arpa.: domain name does not exist
[0] 93.39.189.18.in-addr.arpa.: domain name does not exist
[0] 94.39.189.18.in-addr.arpa.: domain name does not exist
[60] 95.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-95.dyn.MIT.EDU
[0] 96.39.189.18.in-addr.arpa.: domain name does not exist
[0] 97.39.189.18.in-addr.arpa.: domain name does not exist
[60] 98.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-98.dyn.MIT.EDU
[60] 99.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-99.dyn.MIT.EDU
[0] 100.39.189.18.in-addr.arpa.: domain name does not exist
[0] 101.39.189.18.in-addr.arpa.: domain name does not exist
[60] 102.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-102.dyn.MIT.EDU
[60] 103.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-103.dyn.MIT.EDU
[60] 104.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-104.dyn.MIT.EDU
[60] 105.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-105.dyn.MIT.EDU
[60] 106.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-106.dyn.MIT.EDU
[60] 107.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-107.dyn.MIT.EDU
[60] 108.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-108.dyn.MIT.EDU
[0] 109.39.189.18.in-addr.arpa.: domain name does not exist
[60] 110.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-110.dyn.MIT.EDU
[0] 111.39.189.18.in-addr.arpa.: domain name does not exist
[0] 112.39.189.18.in-addr.arpa.: domain name does not exist
[0] 113.39.189.18.in-addr.arpa.: domain name does not exist
[0] 114.39.189.18.in-addr.arpa.: domain name does not exist
[60] 115.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-115.dyn.MIT.EDU
[0] 116.39.189.18.in-addr.arpa.: domain name does not exist
[0] 117.39.189.18.in-addr.arpa.: domain name does not exist
[60] 118.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-118.dyn.MIT.EDU
[60] 119.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-119.dyn.MIT.EDU
[60] 120.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-120.dyn.MIT.EDU
[0] 121.39.189.18.in-addr.arpa.: domain name does not exist
[60] 122.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-122.dyn.MIT.EDU
[0] 123.39.189.18.in-addr.arpa.: domain name does not exist
[0] 124.39.189.18.in-addr.arpa.: domain name does not exist
[60] 125.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-125.dyn.MIT.EDU
[60] 126.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-126.dyn.MIT.EDU
[60] 127.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-127.dyn.MIT.EDU
[60] 128.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-128.dyn.MIT.EDU
[60] 129.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-129.dyn.MIT.EDU
[0] 130.39.189.18.in-addr.arpa.: domain name does not exist
[60] 131.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-131.dyn.MIT.EDU
[0] 132.39.189.18.in-addr.arpa.: domain name does not exist
[60] 133.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-133.dyn.MIT.EDU
[0] 134.39.189.18.in-addr.arpa.: domain name does not exist
[0] 135.39.189.18.in-addr.arpa.: domain name does not exist
[60] 136.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-136.dyn.MIT.EDU
[60] 137.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-137.dyn.MIT.EDU
[60] 138.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-138.dyn.MIT.EDU
[0] 139.39.189.18.in-addr.arpa.: domain name does not exist
[60] 140.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-140.dyn.MIT.EDU
[60] 141.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-141.dyn.MIT.EDU
[60] 142.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-142.dyn.MIT.EDU
[0] 143.39.189.18.in-addr.arpa.: domain name does not exist
[60] 144.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-144.dyn.MIT.EDU
[60] 145.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-145.dyn.MIT.EDU
[0] 146.39.189.18.in-addr.arpa.: domain name does not exist
[0] 147.39.189.18.in-addr.arpa.: domain name does not exist
[0] 148.39.189.18.in-addr.arpa.: domain name does not exist
[60] 149.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-149.dyn.MIT.EDU
[0] 150.39.189.18.in-addr.arpa.: domain name does not exist
[0] 151.39.189.18.in-addr.arpa.: domain name does not exist
[60] 152.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-152.dyn.MIT.EDU
[60] 153.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-153.dyn.MIT.EDU
[0] 154.39.189.18.in-addr.arpa.: domain name does not exist
[60] 155.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-155.dyn.MIT.EDU
[0] 156.39.189.18.in-addr.arpa.: domain name does not exist
[0] 157.39.189.18.in-addr.arpa.: domain name does not exist
[60] 158.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-158.dyn.MIT.EDU
[60] 159.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-159.dyn.MIT.EDU
[60] 160.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-160.dyn.MIT.EDU
[60] 161.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-161.dyn.MIT.EDU
[0] 162.39.189.18.in-addr.arpa.: domain name does not exist
[0] 163.39.189.18.in-addr.arpa.: domain name does not exist
[0] 164.39.189.18.in-addr.arpa.: domain name does not exist
[0] 165.39.189.18.in-addr.arpa.: domain name does not exist
[0] 166.39.189.18.in-addr.arpa.: domain name does not exist
[60] 167.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-167.dyn.MIT.EDU
[0] 168.39.189.18.in-addr.arpa.: domain name does not exist
[60] 169.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-169.dyn.MIT.EDU
[60] 170.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-170.dyn.MIT.EDU
[0] 171.39.189.18.in-addr.arpa.: domain name does not exist
[0] 172.39.189.18.in-addr.arpa.: domain name does not exist
[60] 173.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-173.dyn.MIT.EDU
[0] 174.39.189.18.in-addr.arpa.: domain name does not exist
[0] 175.39.189.18.in-addr.arpa.: domain name does not exist
[60] 176.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-176.dyn.MIT.EDU
[0] 177.39.189.18.in-addr.arpa.: domain name does not exist
[0] 178.39.189.18.in-addr.arpa.: domain name does not exist
[60] 179.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-179.dyn.MIT.EDU
[0] 180.39.189.18.in-addr.arpa.: domain name does not exist
[60] 181.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-181.dyn.MIT.EDU
[60] 182.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-182.dyn.MIT.EDU
[0] 183.39.189.18.in-addr.arpa.: domain name does not exist
[0] 184.39.189.18.in-addr.arpa.: domain name does not exist
[0] 185.39.189.18.in-addr.arpa.: domain name does not exist
[60] 186.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-186.dyn.MIT.EDU
[60] 187.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-187.dyn.MIT.EDU
[60] 188.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-188.dyn.MIT.EDU
[60] 189.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-189.dyn.MIT.EDU
[0] 190.39.189.18.in-addr.arpa.: domain name does not exist
[0] 191.39.189.18.in-addr.arpa.: domain name does not exist
[0] 192.39.189.18.in-addr.arpa.: domain name does not exist
[0] 193.39.189.18.in-addr.arpa.: domain name does not exist
[60] 194.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-194.dyn.MIT.EDU
[60] 195.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-195.dyn.MIT.EDU
[60] 196.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-196.dyn.MIT.EDU
[0] 197.39.189.18.in-addr.arpa.: domain name does not exist
[0] 198.39.189.18.in-addr.arpa.: domain name does not exist
[60] 199.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-199.dyn.MIT.EDU
[60] 200.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-200.dyn.MIT.EDU
[0] 201.39.189.18.in-addr.arpa.: domain name does not exist
[0] 202.39.189.18.in-addr.arpa.: domain name does not exist
[60] 203.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-203.dyn.MIT.EDU
[60] 204.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-204.dyn.MIT.EDU
[60] 205.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-205.dyn.MIT.EDU
[60] 206.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-206.dyn.MIT.EDU
[0] 207.39.189.18.in-addr.arpa.: domain name does not exist
[0] 208.39.189.18.in-addr.arpa.: domain name does not exist
[60] 209.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-209.dyn.MIT.EDU
[60] 210.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-210.dyn.MIT.EDU
[60] 211.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-211.dyn.MIT.EDU
[60] 212.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-212.dyn.MIT.EDU
[60] 213.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-213.dyn.MIT.EDU
[60] 214.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-214.dyn.MIT.EDU
[0] 215.39.189.18.in-addr.arpa.: domain name does not exist
[0] 216.39.189.18.in-addr.arpa.: domain name does not exist
[0] 217.39.189.18.in-addr.arpa.: domain name does not exist
[60] 218.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-218.dyn.MIT.EDU
[60] 219.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-219.dyn.MIT.EDU
[0] 220.39.189.18.in-addr.arpa.: domain name does not exist
[60] 221.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-221.dyn.MIT.EDU
[60] 222.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-222.dyn.MIT.EDU
[0] 223.39.189.18.in-addr.arpa.: domain name does not exist
[0] 224.39.189.18.in-addr.arpa.: domain name does not exist
[60] 225.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-225.dyn.MIT.EDU
[0] 226.39.189.18.in-addr.arpa.: domain name does not exist
[0] 227.39.189.18.in-addr.arpa.: domain name does not exist
[0] 228.39.189.18.in-addr.arpa.: domain name does not exist
[0] 229.39.189.18.in-addr.arpa.: domain name does not exist
[60] 230.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-230.dyn.MIT.EDU
[60] 231.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-231.dyn.MIT.EDU
[60] 232.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-232.dyn.MIT.EDU
[60] 233.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-233.dyn.MIT.EDU
[60] 234.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-234.dyn.MIT.EDU
[0] 235.39.189.18.in-addr.arpa.: domain name does not exist
[0] 236.39.189.18.in-addr.arpa.: domain name does not exist
[60] 237.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-237.dyn.MIT.EDU
[0] 238.39.189.18.in-addr.arpa.: domain name does not exist
[60] 239.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-239.dyn.MIT.EDU
[60] 240.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-240.dyn.MIT.EDU
[60] 241.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-241.dyn.MIT.EDU
[60] 242.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-242.dyn.MIT.EDU
[0] 243.39.189.18.in-addr.arpa.: domain name does not exist
[60] 244.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-244.dyn.MIT.EDU
[0] 245.39.189.18.in-addr.arpa.: domain name does not exist
[0] 246.39.189.18.in-addr.arpa.: domain name does not exist
[60] 247.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-247.dyn.MIT.EDU
[60] 248.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-248.dyn.MIT.EDU
[60] 249.39.189.18.in-addr.arpa. domain name pointer dhcp-18-189-39-249.dyn.MIT.EDU
[0] 250.39.189.18.in-addr.arpa.: domain name does not exist
[0] 251.39.189.18.in-addr.arpa.: domain name does not exist
[0] 252.39.189.18.in-addr.arpa.: domain name does not exist
[0] 253.39.189.18.in-addr.arpa.: domain name does not exist
[0] 254.39.189.18.in-addr.arpa.: domain name does not exist
[0] 255.39.189.18.in-addr.arpa.: domain name does not exist