[0] 0.38.189.18.in-addr.arpa.: domain name does not exist
[0] 1.38.189.18.in-addr.arpa.: domain name does not exist
[0] 2.38.189.18.in-addr.arpa.: domain name does not exist
[0] 3.38.189.18.in-addr.arpa.: domain name does not exist
[0] 4.38.189.18.in-addr.arpa.: domain name does not exist
[60] 5.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-5.dyn.MIT.EDU
[0] 6.38.189.18.in-addr.arpa.: domain name does not exist
[0] 7.38.189.18.in-addr.arpa.: domain name does not exist
[60] 8.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-8.dyn.MIT.EDU
[60] 9.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-9.dyn.MIT.EDU
[0] 10.38.189.18.in-addr.arpa.: domain name does not exist
[60] 11.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-11.dyn.MIT.EDU
[0] 12.38.189.18.in-addr.arpa.: domain name does not exist
[60] 13.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-13.dyn.MIT.EDU
[60] 14.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-14.dyn.MIT.EDU
[60] 15.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-15.dyn.MIT.EDU
[60] 16.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-16.dyn.MIT.EDU
[60] 17.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-17.dyn.MIT.EDU
[0] 18.38.189.18.in-addr.arpa.: domain name does not exist
[60] 19.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-19.dyn.MIT.EDU
[60] 20.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-20.dyn.MIT.EDU
[0] 21.38.189.18.in-addr.arpa.: domain name does not exist
[0] 22.38.189.18.in-addr.arpa.: domain name does not exist
[0] 23.38.189.18.in-addr.arpa.: domain name does not exist
[60] 24.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-24.dyn.MIT.EDU
[60] 25.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-25.dyn.MIT.EDU
[60] 26.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-26.dyn.MIT.EDU
[0] 27.38.189.18.in-addr.arpa.: domain name does not exist
[60] 28.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-28.dyn.MIT.EDU
[0] 29.38.189.18.in-addr.arpa.: domain name does not exist
[60] 30.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-30.dyn.MIT.EDU
[0] 31.38.189.18.in-addr.arpa.: domain name does not exist
[60] 32.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-32.dyn.MIT.EDU
[0] 33.38.189.18.in-addr.arpa.: domain name does not exist
[60] 34.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-34.dyn.MIT.EDU
[60] 35.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-35.dyn.MIT.EDU
[60] 36.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-36.dyn.MIT.EDU
[0] 37.38.189.18.in-addr.arpa.: domain name does not exist
[60] 38.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-38.dyn.MIT.EDU
[60] 39.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-39.dyn.MIT.EDU
[0] 40.38.189.18.in-addr.arpa.: domain name does not exist
[60] 41.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-41.dyn.MIT.EDU
[60] 42.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-42.dyn.MIT.EDU
[0] 43.38.189.18.in-addr.arpa.: domain name does not exist
[0] 44.38.189.18.in-addr.arpa.: domain name does not exist
[0] 45.38.189.18.in-addr.arpa.: domain name does not exist
[60] 46.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-46.dyn.MIT.EDU
[60] 47.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-47.dyn.MIT.EDU
[0] 48.38.189.18.in-addr.arpa.: domain name does not exist
[60] 49.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-49.dyn.MIT.EDU
[0] 50.38.189.18.in-addr.arpa.: domain name does not exist
[60] 51.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-51.dyn.MIT.EDU
[0] 52.38.189.18.in-addr.arpa.: domain name does not exist
[60] 53.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-53.dyn.MIT.EDU
[60] 54.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-54.dyn.MIT.EDU
[60] 55.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-55.dyn.MIT.EDU
[0] 56.38.189.18.in-addr.arpa.: domain name does not exist
[60] 57.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-57.dyn.MIT.EDU
[0] 58.38.189.18.in-addr.arpa.: domain name does not exist
[60] 59.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-59.dyn.MIT.EDU
[60] 60.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-60.dyn.MIT.EDU
[60] 61.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-61.dyn.MIT.EDU
[60] 62.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-62.dyn.MIT.EDU
[60] 63.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-63.dyn.MIT.EDU
[0] 64.38.189.18.in-addr.arpa.: domain name does not exist
[0] 65.38.189.18.in-addr.arpa.: domain name does not exist
[0] 66.38.189.18.in-addr.arpa.: domain name does not exist
[0] 67.38.189.18.in-addr.arpa.: domain name does not exist
[0] 68.38.189.18.in-addr.arpa.: domain name does not exist
[60] 69.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-69.dyn.MIT.EDU
[60] 70.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-70.dyn.MIT.EDU
[60] 71.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-71.dyn.MIT.EDU
[0] 72.38.189.18.in-addr.arpa.: domain name does not exist
[0] 73.38.189.18.in-addr.arpa.: domain name does not exist
[60] 74.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-74.dyn.MIT.EDU
[0] 75.38.189.18.in-addr.arpa.: domain name does not exist
[0] 76.38.189.18.in-addr.arpa.: domain name does not exist
[60] 77.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-77.dyn.MIT.EDU
[0] 78.38.189.18.in-addr.arpa.: domain name does not exist
[0] 79.38.189.18.in-addr.arpa.: domain name does not exist
[60] 80.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-80.dyn.MIT.EDU
[60] 81.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-81.dyn.MIT.EDU
[0] 82.38.189.18.in-addr.arpa.: domain name does not exist
[60] 83.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-83.dyn.MIT.EDU
[60] 84.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-84.dyn.MIT.EDU
[60] 85.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-85.dyn.MIT.EDU
[0] 86.38.189.18.in-addr.arpa.: domain name does not exist
[0] 87.38.189.18.in-addr.arpa.: domain name does not exist
[60] 88.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-88.dyn.MIT.EDU
[60] 89.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-89.dyn.MIT.EDU
[0] 90.38.189.18.in-addr.arpa.: domain name does not exist
[0] 91.38.189.18.in-addr.arpa.: domain name does not exist
[0] 92.38.189.18.in-addr.arpa.: domain name does not exist
[0] 93.38.189.18.in-addr.arpa.: domain name does not exist
[60] 94.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-94.dyn.MIT.EDU
[60] 95.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-95.dyn.MIT.EDU
[60] 96.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-96.dyn.MIT.EDU
[0] 97.38.189.18.in-addr.arpa.: domain name does not exist
[60] 98.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-98.dyn.MIT.EDU
[60] 99.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-99.dyn.MIT.EDU
[60] 100.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-100.dyn.MIT.EDU
[0] 101.38.189.18.in-addr.arpa.: domain name does not exist
[60] 102.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-102.dyn.MIT.EDU
[0] 103.38.189.18.in-addr.arpa.: domain name does not exist
[60] 104.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-104.dyn.MIT.EDU
[0] 105.38.189.18.in-addr.arpa.: domain name does not exist
[0] 106.38.189.18.in-addr.arpa.: domain name does not exist
[60] 107.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-107.dyn.MIT.EDU
[60] 108.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-108.dyn.MIT.EDU
[60] 109.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-109.dyn.MIT.EDU
[0] 110.38.189.18.in-addr.arpa.: domain name does not exist
[0] 111.38.189.18.in-addr.arpa.: domain name does not exist
[60] 112.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-112.dyn.MIT.EDU
[60] 113.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-113.dyn.MIT.EDU
[60] 114.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-114.dyn.MIT.EDU
[60] 115.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-115.dyn.MIT.EDU
[0] 116.38.189.18.in-addr.arpa.: domain name does not exist
[0] 117.38.189.18.in-addr.arpa.: domain name does not exist
[60] 118.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-118.dyn.MIT.EDU
[60] 119.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-119.dyn.MIT.EDU
[60] 120.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-120.dyn.MIT.EDU
[0] 121.38.189.18.in-addr.arpa.: domain name does not exist
[0] 122.38.189.18.in-addr.arpa.: domain name does not exist
[60] 123.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-123.dyn.MIT.EDU
[0] 124.38.189.18.in-addr.arpa.: domain name does not exist
[0] 125.38.189.18.in-addr.arpa.: domain name does not exist
[0] 126.38.189.18.in-addr.arpa.: domain name does not exist
[0] 127.38.189.18.in-addr.arpa.: domain name does not exist
[60] 128.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-128.dyn.MIT.EDU
[60] 129.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-129.dyn.MIT.EDU
[0] 130.38.189.18.in-addr.arpa.: domain name does not exist
[60] 131.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-131.dyn.MIT.EDU
[0] 132.38.189.18.in-addr.arpa.: domain name does not exist
[0] 133.38.189.18.in-addr.arpa.: domain name does not exist
[0] 134.38.189.18.in-addr.arpa.: domain name does not exist
[0] 135.38.189.18.in-addr.arpa.: domain name does not exist
[0] 136.38.189.18.in-addr.arpa.: domain name does not exist
[0] 137.38.189.18.in-addr.arpa.: domain name does not exist
[60] 138.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-138.dyn.MIT.EDU
[60] 139.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-139.dyn.MIT.EDU
[0] 140.38.189.18.in-addr.arpa.: domain name does not exist
[60] 141.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-141.dyn.MIT.EDU
[60] 142.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-142.dyn.MIT.EDU
[60] 143.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-143.dyn.MIT.EDU
[0] 144.38.189.18.in-addr.arpa.: domain name does not exist
[0] 145.38.189.18.in-addr.arpa.: domain name does not exist
[0] 146.38.189.18.in-addr.arpa.: domain name does not exist
[0] 147.38.189.18.in-addr.arpa.: domain name does not exist
[60] 148.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-148.dyn.MIT.EDU
[0] 149.38.189.18.in-addr.arpa.: domain name does not exist
[60] 150.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-150.dyn.MIT.EDU
[60] 151.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-151.dyn.MIT.EDU
[0] 152.38.189.18.in-addr.arpa.: domain name does not exist
[60] 153.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-153.dyn.MIT.EDU
[60] 154.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-154.dyn.MIT.EDU
[60] 155.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-155.dyn.MIT.EDU
[0] 156.38.189.18.in-addr.arpa.: domain name does not exist
[0] 157.38.189.18.in-addr.arpa.: domain name does not exist
[60] 158.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-158.dyn.MIT.EDU
[0] 159.38.189.18.in-addr.arpa.: domain name does not exist
[60] 160.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-160.dyn.MIT.EDU
[60] 161.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-161.dyn.MIT.EDU
[60] 162.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-162.dyn.MIT.EDU
[60] 163.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-163.dyn.MIT.EDU
[0] 164.38.189.18.in-addr.arpa.: domain name does not exist
[0] 165.38.189.18.in-addr.arpa.: domain name does not exist
[60] 166.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-166.dyn.MIT.EDU
[60] 167.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-167.dyn.MIT.EDU
[60] 168.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-168.dyn.MIT.EDU
[60] 169.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-169.dyn.MIT.EDU
[60] 170.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-170.dyn.MIT.EDU
[0] 171.38.189.18.in-addr.arpa.: domain name does not exist
[60] 172.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-172.dyn.MIT.EDU
[60] 173.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-173.dyn.MIT.EDU
[0] 174.38.189.18.in-addr.arpa.: domain name does not exist
[0] 175.38.189.18.in-addr.arpa.: domain name does not exist
[0] 176.38.189.18.in-addr.arpa.: domain name does not exist
[0] 177.38.189.18.in-addr.arpa.: domain name does not exist
[60] 178.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-178.dyn.MIT.EDU
[60] 179.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-179.dyn.MIT.EDU
[0] 180.38.189.18.in-addr.arpa.: domain name does not exist
[60] 181.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-181.dyn.MIT.EDU
[0] 182.38.189.18.in-addr.arpa.: domain name does not exist
[60] 183.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-183.dyn.MIT.EDU
[0] 184.38.189.18.in-addr.arpa.: domain name does not exist
[60] 185.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-185.dyn.MIT.EDU
[60] 186.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-186.dyn.MIT.EDU
[0] 187.38.189.18.in-addr.arpa.: domain name does not exist
[60] 188.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-188.dyn.MIT.EDU
[0] 189.38.189.18.in-addr.arpa.: domain name does not exist
[0] 190.38.189.18.in-addr.arpa.: domain name does not exist
[0] 191.38.189.18.in-addr.arpa.: domain name does not exist
[0] 192.38.189.18.in-addr.arpa.: domain name does not exist
[0] 193.38.189.18.in-addr.arpa.: domain name does not exist
[0] 194.38.189.18.in-addr.arpa.: domain name does not exist
[0] 195.38.189.18.in-addr.arpa.: domain name does not exist
[0] 196.38.189.18.in-addr.arpa.: domain name does not exist
[60] 197.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-197.dyn.MIT.EDU
[0] 198.38.189.18.in-addr.arpa.: domain name does not exist
[60] 199.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-199.dyn.MIT.EDU
[60] 200.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-200.dyn.MIT.EDU
[0] 201.38.189.18.in-addr.arpa.: domain name does not exist
[60] 202.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-202.dyn.MIT.EDU
[0] 203.38.189.18.in-addr.arpa.: domain name does not exist
[60] 204.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-204.dyn.MIT.EDU
[0] 205.38.189.18.in-addr.arpa.: domain name does not exist
[60] 206.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-206.dyn.MIT.EDU
[0] 207.38.189.18.in-addr.arpa.: domain name does not exist
[60] 208.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-208.dyn.MIT.EDU
[60] 209.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-209.dyn.MIT.EDU
[60] 210.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-210.dyn.MIT.EDU
[0] 211.38.189.18.in-addr.arpa.: domain name does not exist
[60] 212.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-212.dyn.MIT.EDU
[60] 213.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-213.dyn.MIT.EDU
[60] 214.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-214.dyn.MIT.EDU
[60] 215.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-215.dyn.MIT.EDU
[0] 216.38.189.18.in-addr.arpa.: domain name does not exist
[60] 217.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-217.dyn.MIT.EDU
[60] 218.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-218.dyn.MIT.EDU
[0] 219.38.189.18.in-addr.arpa.: domain name does not exist
[60] 220.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-220.dyn.MIT.EDU
[0] 221.38.189.18.in-addr.arpa.: domain name does not exist
[0] 222.38.189.18.in-addr.arpa.: domain name does not exist
[60] 223.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-223.dyn.MIT.EDU
[0] 224.38.189.18.in-addr.arpa.: domain name does not exist
[0] 225.38.189.18.in-addr.arpa.: domain name does not exist
[0] 226.38.189.18.in-addr.arpa.: domain name does not exist
[60] 227.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-227.dyn.MIT.EDU
[60] 228.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-228.dyn.MIT.EDU
[0] 229.38.189.18.in-addr.arpa.: domain name does not exist
[0] 230.38.189.18.in-addr.arpa.: domain name does not exist
[60] 231.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-231.dyn.MIT.EDU
[0] 232.38.189.18.in-addr.arpa.: domain name does not exist
[0] 233.38.189.18.in-addr.arpa.: domain name does not exist
[0] 234.38.189.18.in-addr.arpa.: domain name does not exist
[60] 235.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-235.dyn.MIT.EDU
[60] 236.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-236.dyn.MIT.EDU
[0] 237.38.189.18.in-addr.arpa.: domain name does not exist
[60] 238.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-238.dyn.MIT.EDU
[0] 239.38.189.18.in-addr.arpa.: domain name does not exist
[0] 240.38.189.18.in-addr.arpa.: domain name does not exist
[60] 241.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-241.dyn.MIT.EDU
[0] 242.38.189.18.in-addr.arpa.: domain name does not exist
[0] 243.38.189.18.in-addr.arpa.: domain name does not exist
[60] 244.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-244.dyn.MIT.EDU
[0] 245.38.189.18.in-addr.arpa.: domain name does not exist
[0] 246.38.189.18.in-addr.arpa.: domain name does not exist
[0] 247.38.189.18.in-addr.arpa.: domain name does not exist
[60] 248.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-248.dyn.MIT.EDU
[0] 249.38.189.18.in-addr.arpa.: domain name does not exist
[60] 250.38.189.18.in-addr.arpa. domain name pointer dhcp-18-189-38-250.dyn.MIT.EDU
[0] 251.38.189.18.in-addr.arpa.: domain name does not exist
[0] 252.38.189.18.in-addr.arpa.: domain name does not exist
[0] 253.38.189.18.in-addr.arpa.: domain name does not exist
[0] 254.38.189.18.in-addr.arpa.: domain name does not exist
[0] 255.38.189.18.in-addr.arpa.: domain name does not exist