[0] 0.38.122.168.in-addr.arpa.: domain name does not exist [3600] 1.38.122.168.in-addr.arpa. domain name pointer comm595-4lcnet-gw.bu.edu [0] 2.38.122.168.in-addr.arpa.: domain name does not exist [0] 3.38.122.168.in-addr.arpa.: domain name does not exist [0] 4.38.122.168.in-addr.arpa.: domain name does not exist [0] 5.38.122.168.in-addr.arpa.: domain name does not exist [0] 6.38.122.168.in-addr.arpa.: domain name does not exist [0] 7.38.122.168.in-addr.arpa.: domain name does not exist [0] 8.38.122.168.in-addr.arpa.: domain name does not exist [0] 9.38.122.168.in-addr.arpa.: domain name does not exist [0] 10.38.122.168.in-addr.arpa.: domain name does not exist [3600] 11.38.122.168.in-addr.arpa. domain name pointer comm595-492ber08.bu.edu [0] 12.38.122.168.in-addr.arpa.: domain name does not exist [0] 13.38.122.168.in-addr.arpa.: domain name does not exist [0] 14.38.122.168.in-addr.arpa.: domain name does not exist [0] 15.38.122.168.in-addr.arpa.: domain name does not exist [0] 16.38.122.168.in-addr.arpa.: domain name does not exist [0] 17.38.122.168.in-addr.arpa.: domain name does not exist [0] 18.38.122.168.in-addr.arpa.: domain name does not exist [0] 19.38.122.168.in-addr.arpa.: domain name does not exist [0] 20.38.122.168.in-addr.arpa.: domain name does not exist [0] 21.38.122.168.in-addr.arpa.: domain name does not exist [0] 22.38.122.168.in-addr.arpa.: domain name does not exist [0] 23.38.122.168.in-addr.arpa.: domain name does not exist [0] 24.38.122.168.in-addr.arpa.: domain name does not exist [0] 25.38.122.168.in-addr.arpa.: domain name does not exist [0] 26.38.122.168.in-addr.arpa.: domain name does not exist [0] 27.38.122.168.in-addr.arpa.: domain name does not exist [0] 28.38.122.168.in-addr.arpa.: domain name does not exist [86400] 29.38.122.168.in-addr.arpa. domain name pointer din-smgcat-lj5si.bu.edu [0] 30.38.122.168.in-addr.arpa.: domain name does not exist [3600] 31.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-031.bu.edu [3600] 32.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-032.bu.edu [3600] 33.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-033.bu.edu [3600] 34.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-034.bu.edu [3600] 35.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-035.bu.edu [3600] 36.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-036.bu.edu [3600] 37.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-037.bu.edu [3600] 38.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-038.bu.edu [3600] 39.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-039.bu.edu [3600] 40.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-040.bu.edu [3600] 41.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-041.bu.edu [3600] 42.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-042.bu.edu [3600] 43.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-043.bu.edu [3600] 44.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-044.bu.edu [3600] 45.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-045.bu.edu [3600] 46.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-046.bu.edu [3600] 47.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-047.bu.edu [3600] 48.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-048.bu.edu [3600] 49.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-049.bu.edu [3600] 50.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-050.bu.edu [3600] 51.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-051.bu.edu [3600] 52.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-052.bu.edu [3600] 53.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-053.bu.edu [3600] 54.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-054.bu.edu [3600] 55.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-055.bu.edu [3600] 56.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-056.bu.edu [3600] 57.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-057.bu.edu [3600] 58.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-058.bu.edu [3600] 59.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-059.bu.edu [3600] 60.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-060.bu.edu [3600] 61.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-061.bu.edu [3600] 62.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-062.bu.edu [3600] 63.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-063.bu.edu [3600] 64.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-064.bu.edu [3600] 65.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-065.bu.edu [3600] 66.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-066.bu.edu [3600] 67.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-067.bu.edu [3600] 68.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-068.bu.edu [3600] 69.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-069.bu.edu [3600] 70.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-070.bu.edu [3600] 71.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-071.bu.edu [3600] 72.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-072.bu.edu [3600] 73.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-073.bu.edu [3600] 74.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-074.bu.edu [3600] 75.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-075.bu.edu [3600] 76.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-076.bu.edu [3600] 77.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-077.bu.edu [3600] 78.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-078.bu.edu [3600] 79.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-079.bu.edu [3600] 80.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-080.bu.edu [3600] 81.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-081.bu.edu [3600] 82.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-082.bu.edu [3600] 83.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-083.bu.edu [3600] 84.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-084.bu.edu [3600] 85.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-085.bu.edu [3600] 86.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-086.bu.edu [3600] 87.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-087.bu.edu [3600] 88.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-088.bu.edu [3600] 89.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-089.bu.edu [3600] 90.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-090.bu.edu [3600] 91.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-091.bu.edu [3600] 92.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-092.bu.edu [3600] 93.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-093.bu.edu [3600] 94.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-094.bu.edu [3600] 95.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-095.bu.edu [3600] 96.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-096.bu.edu [3600] 97.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-097.bu.edu [3600] 98.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-098.bu.edu [3600] 99.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-099.bu.edu [3600] 100.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-100.bu.edu [3600] 101.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-101.bu.edu [3600] 102.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-102.bu.edu [3600] 103.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-103.bu.edu [3600] 104.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-104.bu.edu [3600] 105.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-105.bu.edu [3600] 106.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-106.bu.edu [3600] 107.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-107.bu.edu [3600] 108.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-108.bu.edu [3600] 109.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-109.bu.edu [3600] 110.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-110.bu.edu [3600] 111.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-111.bu.edu [3600] 112.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-112.bu.edu [3600] 113.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-113.bu.edu [3600] 114.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-114.bu.edu [3600] 115.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-115.bu.edu [3600] 116.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-116.bu.edu [3600] 117.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-117.bu.edu [3600] 118.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-118.bu.edu [3600] 119.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-119.bu.edu [3600] 120.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-120.bu.edu [3600] 121.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-121.bu.edu [3600] 122.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-122.bu.edu [3600] 123.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-123.bu.edu [3600] 124.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-124.bu.edu [3600] 125.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-125.bu.edu [3600] 126.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-126.bu.edu [3600] 127.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-127.bu.edu [3600] 128.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-128.bu.edu [3600] 129.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-129.bu.edu [3600] 130.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-130.bu.edu [3600] 131.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-131.bu.edu [3600] 132.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-132.bu.edu [3600] 133.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-133.bu.edu [3600] 134.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-134.bu.edu [3600] 135.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-135.bu.edu [3600] 136.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-136.bu.edu [3600] 137.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-137.bu.edu [3600] 138.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-138.bu.edu [3600] 139.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-139.bu.edu [3600] 140.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-140.bu.edu [3600] 141.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-141.bu.edu [3600] 142.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-142.bu.edu [3600] 143.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-143.bu.edu [3600] 144.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-144.bu.edu [3600] 145.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-145.bu.edu [3600] 146.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-146.bu.edu [3600] 147.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-147.bu.edu [3600] 148.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-148.bu.edu [3600] 149.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-149.bu.edu [3600] 150.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-150.bu.edu [3600] 151.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-151.bu.edu [3600] 152.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-152.bu.edu [3600] 153.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-153.bu.edu [3600] 154.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-154.bu.edu [3600] 155.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-155.bu.edu [3600] 156.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-156.bu.edu [3600] 157.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-157.bu.edu [3600] 158.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-158.bu.edu [3600] 159.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-159.bu.edu [3600] 160.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-160.bu.edu [3600] 161.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-161.bu.edu [3600] 162.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-162.bu.edu [3600] 163.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-163.bu.edu [3600] 164.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-164.bu.edu [3600] 165.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-165.bu.edu [3600] 166.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-166.bu.edu [3600] 167.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-167.bu.edu [3600] 168.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-168.bu.edu [3600] 169.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-169.bu.edu [3600] 170.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-170.bu.edu [3600] 171.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-171.bu.edu [3600] 172.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-172.bu.edu [3600] 173.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-173.bu.edu [3600] 174.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-174.bu.edu [3600] 175.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-175.bu.edu [3600] 176.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-176.bu.edu [3600] 177.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-177.bu.edu [3600] 178.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-178.bu.edu [3600] 179.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-179.bu.edu [3600] 180.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-180.bu.edu [3600] 181.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-181.bu.edu [3600] 182.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-182.bu.edu [3600] 183.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-183.bu.edu [3600] 184.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-184.bu.edu [3600] 185.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-185.bu.edu [3600] 186.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-186.bu.edu [3600] 187.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-187.bu.edu [3600] 188.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-188.bu.edu [3600] 189.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-189.bu.edu [3600] 190.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-190.bu.edu [3600] 191.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-191.bu.edu [3600] 192.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-192.bu.edu [3600] 193.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-193.bu.edu [3600] 194.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-194.bu.edu [3600] 195.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-195.bu.edu [3600] 196.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-196.bu.edu [3600] 197.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-197.bu.edu [3600] 198.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-198.bu.edu [3600] 199.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-199.bu.edu [3600] 200.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-200.bu.edu [3600] 201.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-201.bu.edu [3600] 202.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-202.bu.edu [3600] 203.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-203.bu.edu [3600] 204.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-204.bu.edu [3600] 205.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-205.bu.edu [3600] 206.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-206.bu.edu [3600] 207.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-207.bu.edu [3600] 208.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-208.bu.edu [3600] 209.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-209.bu.edu [3600] 210.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-210.bu.edu [3600] 211.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-211.bu.edu [3600] 212.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-212.bu.edu [3600] 213.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-213.bu.edu [3600] 214.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-214.bu.edu [3600] 215.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-215.bu.edu [3600] 216.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-216.bu.edu [3600] 217.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-217.bu.edu [3600] 218.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-218.bu.edu [3600] 219.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-219.bu.edu [3600] 220.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-220.bu.edu [3600] 221.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-221.bu.edu [3600] 222.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-222.bu.edu [3600] 223.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-223.bu.edu [3600] 224.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-224.bu.edu [3600] 225.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-225.bu.edu [3600] 226.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-226.bu.edu [3600] 227.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-227.bu.edu [3600] 228.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-228.bu.edu [3600] 229.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-229.bu.edu [3600] 230.38.122.168.in-addr.arpa. domain name pointer comm595-4lc-230.bu.edu [0] 231.38.122.168.in-addr.arpa.: domain name does not exist [0] 232.38.122.168.in-addr.arpa.: domain name does not exist [0] 233.38.122.168.in-addr.arpa.: domain name does not exist [0] 234.38.122.168.in-addr.arpa.: domain name does not exist [0] 235.38.122.168.in-addr.arpa.: domain name does not exist [0] 236.38.122.168.in-addr.arpa.: domain name does not exist [0] 237.38.122.168.in-addr.arpa.: domain name does not exist [0] 238.38.122.168.in-addr.arpa.: domain name does not exist [0] 239.38.122.168.in-addr.arpa.: domain name does not exist [0] 240.38.122.168.in-addr.arpa.: domain name does not exist [0] 241.38.122.168.in-addr.arpa.: domain name does not exist [0] 242.38.122.168.in-addr.arpa.: domain name does not exist [0] 243.38.122.168.in-addr.arpa.: domain name does not exist [0] 244.38.122.168.in-addr.arpa.: domain name does not exist [0] 245.38.122.168.in-addr.arpa.: domain name does not exist [0] 246.38.122.168.in-addr.arpa.: domain name does not exist [0] 247.38.122.168.in-addr.arpa.: domain name does not exist [0] 248.38.122.168.in-addr.arpa.: domain name does not exist [0] 249.38.122.168.in-addr.arpa.: domain name does not exist [0] 250.38.122.168.in-addr.arpa.: domain name does not exist [0] 251.38.122.168.in-addr.arpa.: domain name does not exist [0] 252.38.122.168.in-addr.arpa.: domain name does not exist [0] 253.38.122.168.in-addr.arpa.: domain name does not exist [0] 254.38.122.168.in-addr.arpa.: domain name does not exist [0] 255.38.122.168.in-addr.arpa.: domain name does not exist