[0] 0.112.189.18.in-addr.arpa.: domain name does not exist
[0] 1.112.189.18.in-addr.arpa.: domain name does not exist
[0] 2.112.189.18.in-addr.arpa.: domain name does not exist
[0] 3.112.189.18.in-addr.arpa.: domain name does not exist
[0] 4.112.189.18.in-addr.arpa.: domain name does not exist
[0] 5.112.189.18.in-addr.arpa.: domain name does not exist
[0] 6.112.189.18.in-addr.arpa.: domain name does not exist
[0] 7.112.189.18.in-addr.arpa.: domain name does not exist
[60] 8.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-8.dyn.mit.edu
[60] 9.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-9.dyn.mit.edu
[0] 10.112.189.18.in-addr.arpa.: domain name does not exist
[60] 11.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-11.dyn.mit.edu
[60] 12.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-12.dyn.mit.edu
[60] 13.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-13.dyn.mit.edu
[60] 14.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-14.dyn.mit.edu
[0] 15.112.189.18.in-addr.arpa.: domain name does not exist
[60] 16.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-16.dyn.mit.edu
[0] 17.112.189.18.in-addr.arpa.: domain name does not exist
[60] 18.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-18.dyn.mit.edu
[60] 19.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-19.dyn.mit.edu
[0] 20.112.189.18.in-addr.arpa.: domain name does not exist
[60] 21.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-21.dyn.mit.edu
[60] 22.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-22.dyn.mit.edu
[60] 23.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-23.dyn.mit.edu
[0] 24.112.189.18.in-addr.arpa.: domain name does not exist
[60] 25.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-25.dyn.mit.edu
[0] 26.112.189.18.in-addr.arpa.: domain name does not exist
[0] 27.112.189.18.in-addr.arpa.: domain name does not exist
[0] 28.112.189.18.in-addr.arpa.: domain name does not exist
[0] 29.112.189.18.in-addr.arpa.: domain name does not exist
[0] 30.112.189.18.in-addr.arpa.: domain name does not exist
[0] 31.112.189.18.in-addr.arpa.: domain name does not exist
[60] 32.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-32.dyn.mit.edu
[60] 33.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-33.dyn.mit.edu
[60] 34.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-34.dyn.mit.edu
[60] 35.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-35.dyn.mit.edu
[60] 36.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-36.dyn.mit.edu
[60] 37.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-37.dyn.mit.edu
[60] 38.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-38.dyn.mit.edu
[60] 39.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-39.dyn.mit.edu
[0] 40.112.189.18.in-addr.arpa.: domain name does not exist
[0] 41.112.189.18.in-addr.arpa.: domain name does not exist
[0] 42.112.189.18.in-addr.arpa.: domain name does not exist
[60] 43.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-43.dyn.mit.edu
[0] 44.112.189.18.in-addr.arpa.: domain name does not exist
[60] 45.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-45.dyn.mit.edu
[60] 46.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-46.dyn.mit.edu
[0] 47.112.189.18.in-addr.arpa.: domain name does not exist
[0] 48.112.189.18.in-addr.arpa.: domain name does not exist
[0] 49.112.189.18.in-addr.arpa.: domain name does not exist
[0] 50.112.189.18.in-addr.arpa.: domain name does not exist
[60] 51.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-51.dyn.mit.edu
[60] 52.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-52.dyn.mit.edu
[60] 53.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-53.dyn.mit.edu
[0] 54.112.189.18.in-addr.arpa.: domain name does not exist
[60] 55.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-55.dyn.mit.edu
[60] 56.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-56.dyn.mit.edu
[0] 57.112.189.18.in-addr.arpa.: domain name does not exist
[0] 58.112.189.18.in-addr.arpa.: domain name does not exist
[60] 59.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-59.dyn.mit.edu
[60] 60.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-60.dyn.mit.edu
[60] 61.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-61.dyn.mit.edu
[0] 62.112.189.18.in-addr.arpa.: domain name does not exist
[0] 63.112.189.18.in-addr.arpa.: domain name does not exist
[0] 64.112.189.18.in-addr.arpa.: domain name does not exist
[60] 65.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-65.dyn.mit.edu
[0] 66.112.189.18.in-addr.arpa.: domain name does not exist
[0] 67.112.189.18.in-addr.arpa.: domain name does not exist
[0] 68.112.189.18.in-addr.arpa.: domain name does not exist
[0] 69.112.189.18.in-addr.arpa.: domain name does not exist
[60] 70.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-70.dyn.mit.edu
[60] 71.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-71.dyn.mit.edu
[0] 72.112.189.18.in-addr.arpa.: domain name does not exist
[60] 73.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-73.dyn.mit.edu
[60] 74.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-74.dyn.mit.edu
[0] 75.112.189.18.in-addr.arpa.: domain name does not exist
[60] 76.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-76.dyn.mit.edu
[0] 77.112.189.18.in-addr.arpa.: domain name does not exist
[60] 78.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-78.dyn.mit.edu
[60] 79.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-79.dyn.mit.edu
[0] 80.112.189.18.in-addr.arpa.: domain name does not exist
[60] 81.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-81.dyn.mit.edu
[60] 82.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-82.dyn.mit.edu
[60] 83.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-83.dyn.mit.edu
[0] 84.112.189.18.in-addr.arpa.: domain name does not exist
[60] 85.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-85.dyn.mit.edu
[0] 86.112.189.18.in-addr.arpa.: domain name does not exist
[0] 87.112.189.18.in-addr.arpa.: domain name does not exist
[0] 88.112.189.18.in-addr.arpa.: domain name does not exist
[0] 89.112.189.18.in-addr.arpa.: domain name does not exist
[60] 90.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-90.dyn.mit.edu
[60] 91.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-91.dyn.mit.edu
[60] 92.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-92.dyn.mit.edu
[60] 93.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-93.dyn.mit.edu
[0] 94.112.189.18.in-addr.arpa.: domain name does not exist
[60] 95.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-95.dyn.mit.edu
[60] 96.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-96.dyn.mit.edu
[60] 97.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-97.dyn.mit.edu
[60] 98.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-98.dyn.mit.edu
[0] 99.112.189.18.in-addr.arpa.: domain name does not exist
[60] 100.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-100.dyn.mit.edu
[0] 101.112.189.18.in-addr.arpa.: domain name does not exist
[60] 102.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-102.dyn.mit.edu
[0] 103.112.189.18.in-addr.arpa.: domain name does not exist
[60] 104.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-104.dyn.mit.edu
[60] 105.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-105.dyn.mit.edu
[60] 106.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-106.dyn.mit.edu
[60] 107.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-107.dyn.mit.edu
[60] 108.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-108.dyn.mit.edu
[60] 109.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-109.dyn.mit.edu
[60] 110.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-110.dyn.mit.edu
[60] 111.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-111.dyn.mit.edu
[60] 112.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-112.dyn.mit.edu
[60] 113.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-113.dyn.mit.edu
[0] 114.112.189.18.in-addr.arpa.: domain name does not exist
[0] 115.112.189.18.in-addr.arpa.: domain name does not exist
[60] 116.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-116.dyn.mit.edu
[0] 117.112.189.18.in-addr.arpa.: domain name does not exist
[60] 118.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-118.dyn.mit.edu
[60] 119.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-119.dyn.mit.edu
[60] 120.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-120.dyn.mit.edu
[60] 121.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-121.dyn.mit.edu
[60] 122.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-122.dyn.mit.edu
[60] 123.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-123.dyn.mit.edu
[60] 124.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-124.dyn.mit.edu
[0] 125.112.189.18.in-addr.arpa.: domain name does not exist
[60] 126.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-126.dyn.mit.edu
[60] 127.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-127.dyn.mit.edu
[0] 128.112.189.18.in-addr.arpa.: domain name does not exist
[60] 129.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-129.dyn.mit.edu
[60] 130.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-130.dyn.mit.edu
[60] 131.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-131.dyn.mit.edu
[60] 132.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-132.dyn.mit.edu
[60] 133.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-133.dyn.mit.edu
[60] 134.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-134.dyn.mit.edu
[0] 135.112.189.18.in-addr.arpa.: domain name does not exist
[60] 136.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-136.dyn.mit.edu
[60] 137.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-137.dyn.mit.edu
[60] 138.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-138.dyn.mit.edu
[60] 139.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-139.dyn.mit.edu
[60] 140.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-140.dyn.mit.edu
[0] 141.112.189.18.in-addr.arpa.: domain name does not exist
[0] 142.112.189.18.in-addr.arpa.: domain name does not exist
[0] 143.112.189.18.in-addr.arpa.: domain name does not exist
[60] 144.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-144.dyn.mit.edu
[60] 145.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-145.dyn.mit.edu
[60] 146.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-146.dyn.mit.edu
[60] 147.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-147.dyn.mit.edu
[60] 148.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-148.dyn.mit.edu
[0] 149.112.189.18.in-addr.arpa.: domain name does not exist
[60] 150.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-150.dyn.mit.edu
[60] 151.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-151.dyn.mit.edu
[60] 152.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-152.dyn.mit.edu
[0] 153.112.189.18.in-addr.arpa.: domain name does not exist
[0] 154.112.189.18.in-addr.arpa.: domain name does not exist
[0] 155.112.189.18.in-addr.arpa.: domain name does not exist
[60] 156.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-156.dyn.mit.edu
[60] 157.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-157.dyn.mit.edu
[60] 158.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-158.dyn.mit.edu
[0] 159.112.189.18.in-addr.arpa.: domain name does not exist
[60] 160.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-160.dyn.mit.edu
[60] 161.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-161.dyn.mit.edu
[0] 162.112.189.18.in-addr.arpa.: domain name does not exist
[0] 163.112.189.18.in-addr.arpa.: domain name does not exist
[60] 164.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-164.dyn.mit.edu
[0] 165.112.189.18.in-addr.arpa.: domain name does not exist
[0] 166.112.189.18.in-addr.arpa.: domain name does not exist
[0] 167.112.189.18.in-addr.arpa.: domain name does not exist
[0] 168.112.189.18.in-addr.arpa.: domain name does not exist
[60] 169.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-169.dyn.mit.edu
[60] 170.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-170.dyn.mit.edu
[0] 171.112.189.18.in-addr.arpa.: domain name does not exist
[60] 172.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-172.dyn.mit.edu
[60] 173.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-173.dyn.mit.edu
[60] 174.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-174.dyn.mit.edu
[60] 175.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-175.dyn.mit.edu
[0] 176.112.189.18.in-addr.arpa.: domain name does not exist
[0] 177.112.189.18.in-addr.arpa.: domain name does not exist
[0] 178.112.189.18.in-addr.arpa.: domain name does not exist
[60] 179.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-179.dyn.mit.edu
[60] 180.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-180.dyn.mit.edu
[0] 181.112.189.18.in-addr.arpa.: domain name does not exist
[0] 182.112.189.18.in-addr.arpa.: domain name does not exist
[60] 183.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-183.dyn.mit.edu
[60] 184.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-184.dyn.mit.edu
[60] 185.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-185.dyn.mit.edu
[60] 186.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-186.dyn.mit.edu
[0] 187.112.189.18.in-addr.arpa.: domain name does not exist
[0] 188.112.189.18.in-addr.arpa.: domain name does not exist
[60] 189.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-189.dyn.mit.edu
[0] 190.112.189.18.in-addr.arpa.: domain name does not exist
[60] 191.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-191.dyn.mit.edu
[60] 192.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-192.dyn.mit.edu
[60] 193.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-193.dyn.mit.edu
[60] 194.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-194.dyn.mit.edu
[0] 195.112.189.18.in-addr.arpa.: domain name does not exist
[60] 196.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-196.dyn.mit.edu
[0] 197.112.189.18.in-addr.arpa.: domain name does not exist
[60] 198.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-198.dyn.mit.edu
[0] 199.112.189.18.in-addr.arpa.: domain name does not exist
[60] 200.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-200.dyn.mit.edu
[60] 201.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-201.dyn.mit.edu
[60] 202.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-202.dyn.mit.edu
[0] 203.112.189.18.in-addr.arpa.: domain name does not exist
[0] 204.112.189.18.in-addr.arpa.: domain name does not exist
[0] 205.112.189.18.in-addr.arpa.: domain name does not exist
[60] 206.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-206.dyn.mit.edu
[0] 207.112.189.18.in-addr.arpa.: domain name does not exist
[0] 208.112.189.18.in-addr.arpa.: domain name does not exist
[60] 209.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-209.dyn.mit.edu
[60] 210.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-210.dyn.mit.edu
[60] 211.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-211.dyn.mit.edu
[60] 212.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-212.dyn.mit.edu
[0] 213.112.189.18.in-addr.arpa.: domain name does not exist
[0] 214.112.189.18.in-addr.arpa.: domain name does not exist
[0] 215.112.189.18.in-addr.arpa.: domain name does not exist
[60] 216.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-216.dyn.mit.edu
[60] 217.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-217.dyn.mit.edu
[0] 218.112.189.18.in-addr.arpa.: domain name does not exist
[0] 219.112.189.18.in-addr.arpa.: domain name does not exist
[60] 220.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-220.dyn.mit.edu
[60] 221.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-221.dyn.mit.edu
[60] 222.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-222.dyn.mit.edu
[60] 223.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-223.dyn.mit.edu
[0] 224.112.189.18.in-addr.arpa.: domain name does not exist
[60] 225.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-225.dyn.mit.edu
[60] 226.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-226.dyn.mit.edu
[60] 227.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-227.dyn.mit.edu
[60] 228.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-228.dyn.mit.edu
[60] 229.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-229.dyn.mit.edu
[60] 230.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-230.dyn.mit.edu
[0] 231.112.189.18.in-addr.arpa.: domain name does not exist
[60] 232.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-232.dyn.mit.edu
[60] 233.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-233.dyn.mit.edu
[60] 234.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-234.dyn.mit.edu
[0] 235.112.189.18.in-addr.arpa.: domain name does not exist
[0] 236.112.189.18.in-addr.arpa.: domain name does not exist
[60] 237.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-237.dyn.mit.edu
[60] 238.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-238.dyn.mit.edu
[60] 239.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-239.dyn.mit.edu
[60] 240.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-240.dyn.mit.edu
[60] 241.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-241.dyn.mit.edu
[60] 242.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-242.dyn.mit.edu
[60] 243.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-243.dyn.mit.edu
[60] 244.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-244.dyn.mit.edu
[0] 245.112.189.18.in-addr.arpa.: domain name does not exist
[60] 246.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-246.dyn.mit.edu
[0] 247.112.189.18.in-addr.arpa.: domain name does not exist
[60] 248.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-248.dyn.mit.edu
[60] 249.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-249.dyn.mit.edu
[60] 250.112.189.18.in-addr.arpa. domain name pointer dhcp-18-189-112-250.dyn.mit.edu
[0] 251.112.189.18.in-addr.arpa.: domain name does not exist
[0] 252.112.189.18.in-addr.arpa.: domain name does not exist
[0] 253.112.189.18.in-addr.arpa.: domain name does not exist
[0] 254.112.189.18.in-addr.arpa.: domain name does not exist
[0] 255.112.189.18.in-addr.arpa.: domain name does not exist