[0] 0.39.122.168.in-addr.arpa.: domain name does not exist
[3600] 1.39.122.168.in-addr.arpa. domain name pointer comm595-23lcnet-gw.bu.edu
[0] 2.39.122.168.in-addr.arpa.: domain name does not exist
[0] 3.39.122.168.in-addr.arpa.: domain name does not exist
[0] 4.39.122.168.in-addr.arpa.: domain name does not exist
[0] 5.39.122.168.in-addr.arpa.: domain name does not exist
[0] 6.39.122.168.in-addr.arpa.: domain name does not exist
[0] 7.39.122.168.in-addr.arpa.: domain name does not exist
[0] 8.39.122.168.in-addr.arpa.: domain name does not exist
[0] 9.39.122.168.in-addr.arpa.: domain name does not exist
[0] 10.39.122.168.in-addr.arpa.: domain name does not exist
[3600] 11.39.122.168.in-addr.arpa. domain name pointer comm595-292ber05.bu.edu
[3600] 12.39.122.168.in-addr.arpa. domain name pointer comm595-392ber06.bu.edu
[0] 13.39.122.168.in-addr.arpa.: domain name does not exist
[0] 14.39.122.168.in-addr.arpa.: domain name does not exist
[0] 15.39.122.168.in-addr.arpa.: domain name does not exist
[0] 16.39.122.168.in-addr.arpa.: domain name does not exist
[0] 17.39.122.168.in-addr.arpa.: domain name does not exist
[0] 18.39.122.168.in-addr.arpa.: domain name does not exist
[0] 19.39.122.168.in-addr.arpa.: domain name does not exist
[0] 20.39.122.168.in-addr.arpa.: domain name does not exist
[0] 21.39.122.168.in-addr.arpa.: domain name does not exist
[0] 22.39.122.168.in-addr.arpa.: domain name does not exist
[0] 23.39.122.168.in-addr.arpa.: domain name does not exist
[0] 24.39.122.168.in-addr.arpa.: domain name does not exist
[0] 25.39.122.168.in-addr.arpa.: domain name does not exist
[0] 26.39.122.168.in-addr.arpa.: domain name does not exist
[0] 27.39.122.168.in-addr.arpa.: domain name does not exist
[0] 28.39.122.168.in-addr.arpa.: domain name does not exist
[0] 29.39.122.168.in-addr.arpa.: domain name does not exist
[0] 30.39.122.168.in-addr.arpa.: domain name does not exist
[3600] 31.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-031.bu.edu
[3600] 32.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-032.bu.edu
[3600] 33.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-033.bu.edu
[3600] 34.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-034.bu.edu
[3600] 35.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-035.bu.edu
[3600] 36.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-036.bu.edu
[3600] 37.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-037.bu.edu
[3600] 38.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-038.bu.edu
[3600] 39.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-039.bu.edu
[3600] 40.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-040.bu.edu
[3600] 41.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-041.bu.edu
[3600] 42.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-042.bu.edu
[3600] 43.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-043.bu.edu
[3600] 44.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-044.bu.edu
[3600] 45.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-045.bu.edu
[3600] 46.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-046.bu.edu
[3600] 47.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-047.bu.edu
[3600] 48.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-048.bu.edu
[3600] 49.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-049.bu.edu
[3600] 50.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-050.bu.edu
[3600] 51.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-051.bu.edu
[3600] 52.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-052.bu.edu
[3600] 53.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-053.bu.edu
[3600] 54.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-054.bu.edu
[3600] 55.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-055.bu.edu
[3600] 56.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-056.bu.edu
[3600] 57.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-057.bu.edu
[3600] 58.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-058.bu.edu
[3600] 59.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-059.bu.edu
[3600] 60.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-060.bu.edu
[3600] 61.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-061.bu.edu
[3600] 62.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-062.bu.edu
[3600] 63.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-063.bu.edu
[3600] 64.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-064.bu.edu
[3600] 65.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-065.bu.edu
[3600] 66.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-066.bu.edu
[3600] 67.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-067.bu.edu
[3600] 68.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-068.bu.edu
[3600] 69.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-069.bu.edu
[3600] 70.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-070.bu.edu
[3600] 71.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-071.bu.edu
[3600] 72.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-072.bu.edu
[3600] 73.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-073.bu.edu
[3600] 74.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-074.bu.edu
[3600] 75.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-075.bu.edu
[3600] 76.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-076.bu.edu
[3600] 77.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-077.bu.edu
[3600] 78.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-078.bu.edu
[3600] 79.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-079.bu.edu
[3600] 80.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-080.bu.edu
[3600] 81.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-081.bu.edu
[3600] 82.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-082.bu.edu
[3600] 83.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-083.bu.edu
[3600] 84.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-084.bu.edu
[3600] 85.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-085.bu.edu
[3600] 86.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-086.bu.edu
[3600] 87.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-087.bu.edu
[3600] 88.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-088.bu.edu
[3600] 89.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-089.bu.edu
[3600] 90.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-090.bu.edu
[3600] 91.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-091.bu.edu
[3600] 92.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-092.bu.edu
[3600] 93.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-093.bu.edu
[3600] 94.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-094.bu.edu
[3600] 95.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-095.bu.edu
[3600] 96.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-096.bu.edu
[3600] 97.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-097.bu.edu
[3600] 98.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-098.bu.edu
[3600] 99.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-099.bu.edu
[3600] 100.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-100.bu.edu
[3600] 101.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-101.bu.edu
[3600] 102.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-102.bu.edu
[3600] 103.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-103.bu.edu
[3600] 104.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-104.bu.edu
[3600] 105.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-105.bu.edu
[3600] 106.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-106.bu.edu
[3600] 107.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-107.bu.edu
[3600] 108.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-108.bu.edu
[3600] 109.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-109.bu.edu
[3600] 110.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-110.bu.edu
[3600] 111.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-111.bu.edu
[3600] 112.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-112.bu.edu
[3600] 113.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-113.bu.edu
[3600] 114.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-114.bu.edu
[3600] 115.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-115.bu.edu
[3600] 116.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-116.bu.edu
[3600] 117.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-117.bu.edu
[3600] 118.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-118.bu.edu
[3600] 119.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-119.bu.edu
[3600] 120.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-120.bu.edu
[3600] 121.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-121.bu.edu
[3600] 122.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-122.bu.edu
[3600] 123.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-123.bu.edu
[3600] 124.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-124.bu.edu
[3600] 125.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-125.bu.edu
[3600] 126.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-126.bu.edu
[3600] 127.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-127.bu.edu
[3600] 128.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-128.bu.edu
[3600] 129.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-129.bu.edu
[3600] 130.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-130.bu.edu
[3600] 131.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-131.bu.edu
[3600] 132.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-132.bu.edu
[3600] 133.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-133.bu.edu
[3600] 134.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-134.bu.edu
[3600] 135.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-135.bu.edu
[3600] 136.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-136.bu.edu
[3600] 137.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-137.bu.edu
[3600] 138.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-138.bu.edu
[3600] 139.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-139.bu.edu
[3600] 140.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-140.bu.edu
[3600] 141.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-141.bu.edu
[3600] 142.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-142.bu.edu
[3600] 143.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-143.bu.edu
[3600] 144.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-144.bu.edu
[3600] 145.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-145.bu.edu
[3600] 146.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-146.bu.edu
[3600] 147.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-147.bu.edu
[3600] 148.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-148.bu.edu
[3600] 149.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-149.bu.edu
[3600] 150.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-150.bu.edu
[3600] 151.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-151.bu.edu
[3600] 152.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-152.bu.edu
[3600] 153.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-153.bu.edu
[3600] 154.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-154.bu.edu
[3600] 155.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-155.bu.edu
[3600] 156.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-156.bu.edu
[3600] 157.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-157.bu.edu
[3600] 158.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-158.bu.edu
[3600] 159.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-159.bu.edu
[3600] 160.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-160.bu.edu
[3600] 161.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-161.bu.edu
[3600] 162.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-162.bu.edu
[3600] 163.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-163.bu.edu
[3600] 164.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-164.bu.edu
[3600] 165.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-165.bu.edu
[3600] 166.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-166.bu.edu
[3600] 167.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-167.bu.edu
[3600] 168.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-168.bu.edu
[3600] 169.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-169.bu.edu
[3600] 170.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-170.bu.edu
[3600] 171.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-171.bu.edu
[3600] 172.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-172.bu.edu
[3600] 173.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-173.bu.edu
[3600] 174.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-174.bu.edu
[3600] 175.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-175.bu.edu
[3600] 176.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-176.bu.edu
[3600] 177.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-177.bu.edu
[3600] 178.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-178.bu.edu
[3600] 179.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-179.bu.edu
[3600] 180.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-180.bu.edu
[3600] 181.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-181.bu.edu
[3600] 182.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-182.bu.edu
[3600] 183.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-183.bu.edu
[3600] 184.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-184.bu.edu
[3600] 185.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-185.bu.edu
[3600] 186.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-186.bu.edu
[3600] 187.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-187.bu.edu
[3600] 188.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-188.bu.edu
[3600] 189.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-189.bu.edu
[3600] 190.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-190.bu.edu
[3600] 191.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-191.bu.edu
[3600] 192.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-192.bu.edu
[3600] 193.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-193.bu.edu
[3600] 194.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-194.bu.edu
[3600] 195.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-195.bu.edu
[3600] 196.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-196.bu.edu
[3600] 197.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-197.bu.edu
[3600] 198.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-198.bu.edu
[3600] 199.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-199.bu.edu
[3600] 200.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-200.bu.edu
[3600] 201.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-201.bu.edu
[3600] 202.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-202.bu.edu
[3600] 203.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-203.bu.edu
[3600] 204.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-204.bu.edu
[3600] 205.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-205.bu.edu
[3600] 206.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-206.bu.edu
[3600] 207.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-207.bu.edu
[3600] 208.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-208.bu.edu
[3600] 209.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-209.bu.edu
[3600] 210.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-210.bu.edu
[3600] 211.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-211.bu.edu
[3600] 212.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-212.bu.edu
[3600] 213.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-213.bu.edu
[3600] 214.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-214.bu.edu
[3600] 215.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-215.bu.edu
[3600] 216.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-216.bu.edu
[3600] 217.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-217.bu.edu
[3600] 218.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-218.bu.edu
[3600] 219.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-219.bu.edu
[3600] 220.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-220.bu.edu
[3600] 221.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-221.bu.edu
[3600] 222.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-222.bu.edu
[3600] 223.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-223.bu.edu
[3600] 224.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-224.bu.edu
[3600] 225.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-225.bu.edu
[3600] 226.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-226.bu.edu
[3600] 227.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-227.bu.edu
[3600] 228.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-228.bu.edu
[3600] 229.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-229.bu.edu
[3600] 230.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-230.bu.edu
[3600] 231.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-231.bu.edu
[3600] 232.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-232.bu.edu
[3600] 233.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-233.bu.edu
[3600] 234.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-234.bu.edu
[3600] 235.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-235.bu.edu
[3600] 236.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-236.bu.edu
[3600] 237.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-237.bu.edu
[3600] 238.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-238.bu.edu
[3600] 239.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-239.bu.edu
[3600] 240.39.122.168.in-addr.arpa. domain name pointer comm595-23lc-240.bu.edu
[0] 241.39.122.168.in-addr.arpa.: domain name does not exist
[0] 242.39.122.168.in-addr.arpa.: domain name does not exist
[0] 243.39.122.168.in-addr.arpa.: domain name does not exist
[0] 244.39.122.168.in-addr.arpa.: domain name does not exist
[0] 245.39.122.168.in-addr.arpa.: domain name does not exist
[0] 246.39.122.168.in-addr.arpa.: domain name does not exist
[0] 247.39.122.168.in-addr.arpa.: domain name does not exist
[0] 248.39.122.168.in-addr.arpa.: domain name does not exist
[0] 249.39.122.168.in-addr.arpa.: domain name does not exist
[0] 250.39.122.168.in-addr.arpa.: domain name does not exist
[0] 251.39.122.168.in-addr.arpa.: domain name does not exist
[0] 252.39.122.168.in-addr.arpa.: domain name does not exist
[0] 253.39.122.168.in-addr.arpa.: domain name does not exist
[0] 254.39.122.168.in-addr.arpa.: domain name does not exist
[0] 255.39.122.168.in-addr.arpa.: domain name does not exist