Host 0.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) 1.197.211.128.in-addr.arpa domain name pointer harr-c149-c4507-01-197b.tcom.purdue.edu. 2.197.211.128.in-addr.arpa domain name pointer pdntest197b.tcom.purdue.edu. Host 3.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 4.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 5.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 6.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 7.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 8.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 9.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 10.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 11.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 12.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 13.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 14.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 15.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) 16.197.211.128.in-addr.arpa domain name pointer harr-b-016.resnet.purdue.edu. 17.197.211.128.in-addr.arpa domain name pointer harr-b-017.resnet.purdue.edu. 18.197.211.128.in-addr.arpa domain name pointer harr-b-018.resnet.purdue.edu. 19.197.211.128.in-addr.arpa domain name pointer harr-b-019.resnet.purdue.edu. 20.197.211.128.in-addr.arpa domain name pointer harr-b-020.resnet.purdue.edu. 21.197.211.128.in-addr.arpa domain name pointer harr-b-021.resnet.purdue.edu. 22.197.211.128.in-addr.arpa domain name pointer harr-b-022.resnet.purdue.edu. 23.197.211.128.in-addr.arpa domain name pointer harr-b-023.resnet.purdue.edu. 24.197.211.128.in-addr.arpa domain name pointer harr-b-024.resnet.purdue.edu. 25.197.211.128.in-addr.arpa domain name pointer harr-b-025.resnet.purdue.edu. 26.197.211.128.in-addr.arpa domain name pointer harr-b-026.resnet.purdue.edu. 27.197.211.128.in-addr.arpa domain name pointer harr-b-027.resnet.purdue.edu. 28.197.211.128.in-addr.arpa domain name pointer harr-b-028.resnet.purdue.edu. 29.197.211.128.in-addr.arpa domain name pointer harr-b-029.resnet.purdue.edu. 30.197.211.128.in-addr.arpa domain name pointer harr-b-030.resnet.purdue.edu. 31.197.211.128.in-addr.arpa domain name pointer harr-b-031.resnet.purdue.edu. 32.197.211.128.in-addr.arpa domain name pointer harr-b-032.resnet.purdue.edu. 33.197.211.128.in-addr.arpa domain name pointer harr-b-033.resnet.purdue.edu. 34.197.211.128.in-addr.arpa domain name pointer harr-b-034.resnet.purdue.edu. 35.197.211.128.in-addr.arpa domain name pointer harr-b-035.resnet.purdue.edu. 36.197.211.128.in-addr.arpa domain name pointer harr-b-036.resnet.purdue.edu. 37.197.211.128.in-addr.arpa domain name pointer harr-b-037.resnet.purdue.edu. 38.197.211.128.in-addr.arpa domain name pointer harr-b-038.resnet.purdue.edu. 39.197.211.128.in-addr.arpa domain name pointer harr-b-039.resnet.purdue.edu. 40.197.211.128.in-addr.arpa domain name pointer harr-b-040.resnet.purdue.edu. 41.197.211.128.in-addr.arpa domain name pointer harr-b-041.resnet.purdue.edu. 42.197.211.128.in-addr.arpa domain name pointer harr-b-042.resnet.purdue.edu. 43.197.211.128.in-addr.arpa domain name pointer harr-b-043.resnet.purdue.edu. 44.197.211.128.in-addr.arpa domain name pointer harr-b-044.resnet.purdue.edu. 45.197.211.128.in-addr.arpa domain name pointer harr-b-045.resnet.purdue.edu. 46.197.211.128.in-addr.arpa domain name pointer harr-b-046.resnet.purdue.edu. 47.197.211.128.in-addr.arpa domain name pointer harr-b-047.resnet.purdue.edu. 48.197.211.128.in-addr.arpa domain name pointer harr-b-048.resnet.purdue.edu. 49.197.211.128.in-addr.arpa domain name pointer harr-b-049.resnet.purdue.edu. 50.197.211.128.in-addr.arpa domain name pointer harr-b-050.resnet.purdue.edu. 51.197.211.128.in-addr.arpa domain name pointer harr-b-051.resnet.purdue.edu. 52.197.211.128.in-addr.arpa domain name pointer harr-b-052.resnet.purdue.edu. 53.197.211.128.in-addr.arpa domain name pointer harr-b-053.resnet.purdue.edu. 54.197.211.128.in-addr.arpa domain name pointer harr-b-054.resnet.purdue.edu. 55.197.211.128.in-addr.arpa domain name pointer harr-b-055.resnet.purdue.edu. 56.197.211.128.in-addr.arpa domain name pointer harr-b-056.resnet.purdue.edu. 57.197.211.128.in-addr.arpa domain name pointer harr-b-057.resnet.purdue.edu. 58.197.211.128.in-addr.arpa domain name pointer harr-b-058.resnet.purdue.edu. 59.197.211.128.in-addr.arpa domain name pointer harr-b-059.resnet.purdue.edu. 60.197.211.128.in-addr.arpa domain name pointer harr-b-060.resnet.purdue.edu. 61.197.211.128.in-addr.arpa domain name pointer harr-b-061.resnet.purdue.edu. 62.197.211.128.in-addr.arpa domain name pointer harr-b-062.resnet.purdue.edu. 63.197.211.128.in-addr.arpa domain name pointer harr-b-063.resnet.purdue.edu. 64.197.211.128.in-addr.arpa domain name pointer harr-b-064.resnet.purdue.edu. 65.197.211.128.in-addr.arpa domain name pointer harr-b-065.resnet.purdue.edu. 66.197.211.128.in-addr.arpa domain name pointer harr-b-066.resnet.purdue.edu. 67.197.211.128.in-addr.arpa domain name pointer harr-b-067.resnet.purdue.edu. 68.197.211.128.in-addr.arpa domain name pointer harr-b-068.resnet.purdue.edu. 69.197.211.128.in-addr.arpa domain name pointer harr-b-069.resnet.purdue.edu. 70.197.211.128.in-addr.arpa domain name pointer harr-b-070.resnet.purdue.edu. 71.197.211.128.in-addr.arpa domain name pointer harr-b-071.resnet.purdue.edu. 72.197.211.128.in-addr.arpa domain name pointer harr-b-072.resnet.purdue.edu. 73.197.211.128.in-addr.arpa domain name pointer harr-b-073.resnet.purdue.edu. 74.197.211.128.in-addr.arpa domain name pointer harr-b-074.resnet.purdue.edu. 75.197.211.128.in-addr.arpa domain name pointer harr-b-075.resnet.purdue.edu. 76.197.211.128.in-addr.arpa domain name pointer harr-b-076.resnet.purdue.edu. 77.197.211.128.in-addr.arpa domain name pointer harr-b-077.resnet.purdue.edu. 78.197.211.128.in-addr.arpa domain name pointer harr-b-078.resnet.purdue.edu. 79.197.211.128.in-addr.arpa domain name pointer harr-b-079.resnet.purdue.edu. 80.197.211.128.in-addr.arpa domain name pointer harr-b-080.resnet.purdue.edu. 81.197.211.128.in-addr.arpa domain name pointer harr-b-081.resnet.purdue.edu. 82.197.211.128.in-addr.arpa domain name pointer harr-b-082.resnet.purdue.edu. 83.197.211.128.in-addr.arpa domain name pointer harr-b-083.resnet.purdue.edu. 84.197.211.128.in-addr.arpa domain name pointer harr-b-084.resnet.purdue.edu. 85.197.211.128.in-addr.arpa domain name pointer harr-b-085.resnet.purdue.edu. 86.197.211.128.in-addr.arpa domain name pointer harr-b-086.resnet.purdue.edu. 87.197.211.128.in-addr.arpa domain name pointer harr-b-087.resnet.purdue.edu. 88.197.211.128.in-addr.arpa domain name pointer harr-b-088.resnet.purdue.edu. 89.197.211.128.in-addr.arpa domain name pointer harr-b-089.resnet.purdue.edu. 90.197.211.128.in-addr.arpa domain name pointer harr-b-090.resnet.purdue.edu. 91.197.211.128.in-addr.arpa domain name pointer harr-b-091.resnet.purdue.edu. 92.197.211.128.in-addr.arpa domain name pointer harr-b-092.resnet.purdue.edu. 93.197.211.128.in-addr.arpa domain name pointer harr-b-093.resnet.purdue.edu. 94.197.211.128.in-addr.arpa domain name pointer harr-b-094.resnet.purdue.edu. 95.197.211.128.in-addr.arpa domain name pointer harr-b-095.resnet.purdue.edu. 96.197.211.128.in-addr.arpa domain name pointer harr-b-096.resnet.purdue.edu. 97.197.211.128.in-addr.arpa domain name pointer harr-b-097.resnet.purdue.edu. 98.197.211.128.in-addr.arpa domain name pointer harr-b-098.resnet.purdue.edu. 99.197.211.128.in-addr.arpa domain name pointer harr-b-099.resnet.purdue.edu. 100.197.211.128.in-addr.arpa domain name pointer harr-b-100.resnet.purdue.edu. 101.197.211.128.in-addr.arpa domain name pointer harr-b-101.resnet.purdue.edu. 102.197.211.128.in-addr.arpa domain name pointer harr-b-102.resnet.purdue.edu. 103.197.211.128.in-addr.arpa domain name pointer harr-b-103.resnet.purdue.edu. 104.197.211.128.in-addr.arpa domain name pointer harr-b-104.resnet.purdue.edu. 105.197.211.128.in-addr.arpa domain name pointer harr-b-105.resnet.purdue.edu. 106.197.211.128.in-addr.arpa domain name pointer harr-b-106.resnet.purdue.edu. 107.197.211.128.in-addr.arpa domain name pointer harr-b-107.resnet.purdue.edu. 108.197.211.128.in-addr.arpa domain name pointer harr-b-108.resnet.purdue.edu. 109.197.211.128.in-addr.arpa domain name pointer harr-b-109.resnet.purdue.edu. 110.197.211.128.in-addr.arpa domain name pointer harr-b-110.resnet.purdue.edu. 111.197.211.128.in-addr.arpa domain name pointer harr-b-111.resnet.purdue.edu. 112.197.211.128.in-addr.arpa domain name pointer harr-b-112.resnet.purdue.edu. 113.197.211.128.in-addr.arpa domain name pointer harr-b-113.resnet.purdue.edu. 114.197.211.128.in-addr.arpa domain name pointer harr-b-114.resnet.purdue.edu. 115.197.211.128.in-addr.arpa domain name pointer harr-b-115.resnet.purdue.edu. 116.197.211.128.in-addr.arpa domain name pointer harr-b-116.resnet.purdue.edu. 117.197.211.128.in-addr.arpa domain name pointer harr-b-117.resnet.purdue.edu. 118.197.211.128.in-addr.arpa domain name pointer harr-b-118.resnet.purdue.edu. 119.197.211.128.in-addr.arpa domain name pointer harr-b-119.resnet.purdue.edu. 120.197.211.128.in-addr.arpa domain name pointer harr-b-120.resnet.purdue.edu. 121.197.211.128.in-addr.arpa domain name pointer harr-b-121.resnet.purdue.edu. 122.197.211.128.in-addr.arpa domain name pointer harr-b-122.resnet.purdue.edu. 123.197.211.128.in-addr.arpa domain name pointer harr-b-123.resnet.purdue.edu. 124.197.211.128.in-addr.arpa domain name pointer harr-b-124.resnet.purdue.edu. 125.197.211.128.in-addr.arpa domain name pointer harr-b-125.resnet.purdue.edu. 126.197.211.128.in-addr.arpa domain name pointer harr-b-126.resnet.purdue.edu. 127.197.211.128.in-addr.arpa domain name pointer harr-b-127.resnet.purdue.edu. 128.197.211.128.in-addr.arpa domain name pointer harr-b-128.resnet.purdue.edu. 129.197.211.128.in-addr.arpa domain name pointer harr-b-129.resnet.purdue.edu. 130.197.211.128.in-addr.arpa domain name pointer harr-b-130.resnet.purdue.edu. 131.197.211.128.in-addr.arpa domain name pointer harr-b-131.resnet.purdue.edu. 132.197.211.128.in-addr.arpa domain name pointer harr-b-132.resnet.purdue.edu. 133.197.211.128.in-addr.arpa domain name pointer harr-b-133.resnet.purdue.edu. 134.197.211.128.in-addr.arpa domain name pointer harr-b-134.resnet.purdue.edu. 135.197.211.128.in-addr.arpa domain name pointer harr-b-135.resnet.purdue.edu. 136.197.211.128.in-addr.arpa domain name pointer harr-b-136.resnet.purdue.edu. 137.197.211.128.in-addr.arpa domain name pointer harr-b-137.resnet.purdue.edu. 138.197.211.128.in-addr.arpa domain name pointer harr-b-138.resnet.purdue.edu. 139.197.211.128.in-addr.arpa domain name pointer harr-b-139.resnet.purdue.edu. 140.197.211.128.in-addr.arpa domain name pointer harr-b-140.resnet.purdue.edu. 141.197.211.128.in-addr.arpa domain name pointer harr-b-141.resnet.purdue.edu. 142.197.211.128.in-addr.arpa domain name pointer harr-b-142.resnet.purdue.edu. 143.197.211.128.in-addr.arpa domain name pointer harr-b-143.resnet.purdue.edu. 144.197.211.128.in-addr.arpa domain name pointer harr-b-144.resnet.purdue.edu. 145.197.211.128.in-addr.arpa domain name pointer harr-b-145.resnet.purdue.edu. 146.197.211.128.in-addr.arpa domain name pointer harr-b-146.resnet.purdue.edu. 147.197.211.128.in-addr.arpa domain name pointer harr-b-147.resnet.purdue.edu. 148.197.211.128.in-addr.arpa domain name pointer harr-b-148.resnet.purdue.edu. 149.197.211.128.in-addr.arpa domain name pointer harr-b-149.resnet.purdue.edu. 150.197.211.128.in-addr.arpa domain name pointer harr-b-150.resnet.purdue.edu. 151.197.211.128.in-addr.arpa domain name pointer harr-b-151.resnet.purdue.edu. 152.197.211.128.in-addr.arpa domain name pointer harr-b-152.resnet.purdue.edu. 153.197.211.128.in-addr.arpa domain name pointer harr-b-153.resnet.purdue.edu. 154.197.211.128.in-addr.arpa domain name pointer harr-b-154.resnet.purdue.edu. 155.197.211.128.in-addr.arpa domain name pointer harr-b-155.resnet.purdue.edu. 156.197.211.128.in-addr.arpa domain name pointer harr-b-156.resnet.purdue.edu. 157.197.211.128.in-addr.arpa domain name pointer harr-b-157.resnet.purdue.edu. 158.197.211.128.in-addr.arpa domain name pointer harr-b-158.resnet.purdue.edu. 159.197.211.128.in-addr.arpa domain name pointer harr-b-159.resnet.purdue.edu. 160.197.211.128.in-addr.arpa domain name pointer harr-b-160.resnet.purdue.edu. 161.197.211.128.in-addr.arpa domain name pointer harr-b-161.resnet.purdue.edu. 162.197.211.128.in-addr.arpa domain name pointer harr-b-162.resnet.purdue.edu. 163.197.211.128.in-addr.arpa domain name pointer harr-b-163.resnet.purdue.edu. 164.197.211.128.in-addr.arpa domain name pointer harr-b-164.resnet.purdue.edu. 165.197.211.128.in-addr.arpa domain name pointer harr-b-165.resnet.purdue.edu. 166.197.211.128.in-addr.arpa domain name pointer harr-b-166.resnet.purdue.edu. 167.197.211.128.in-addr.arpa domain name pointer harr-b-167.resnet.purdue.edu. 168.197.211.128.in-addr.arpa domain name pointer harr-b-168.resnet.purdue.edu. 169.197.211.128.in-addr.arpa domain name pointer harr-b-169.resnet.purdue.edu. 170.197.211.128.in-addr.arpa domain name pointer harr-b-170.resnet.purdue.edu. 171.197.211.128.in-addr.arpa domain name pointer harr-b-171.resnet.purdue.edu. 172.197.211.128.in-addr.arpa domain name pointer harr-b-172.resnet.purdue.edu. 173.197.211.128.in-addr.arpa domain name pointer harr-b-173.resnet.purdue.edu. 174.197.211.128.in-addr.arpa domain name pointer harr-b-174.resnet.purdue.edu. 175.197.211.128.in-addr.arpa domain name pointer harr-b-175.resnet.purdue.edu. 176.197.211.128.in-addr.arpa domain name pointer harr-b-176.resnet.purdue.edu. 177.197.211.128.in-addr.arpa domain name pointer harr-b-177.resnet.purdue.edu. 178.197.211.128.in-addr.arpa domain name pointer harr-b-178.resnet.purdue.edu. 179.197.211.128.in-addr.arpa domain name pointer harr-b-179.resnet.purdue.edu. 180.197.211.128.in-addr.arpa domain name pointer harr-b-180.resnet.purdue.edu. 181.197.211.128.in-addr.arpa domain name pointer harr-b-181.resnet.purdue.edu. 182.197.211.128.in-addr.arpa domain name pointer harr-b-182.resnet.purdue.edu. 183.197.211.128.in-addr.arpa domain name pointer harr-b-183.resnet.purdue.edu. 184.197.211.128.in-addr.arpa domain name pointer harr-b-184.resnet.purdue.edu. 185.197.211.128.in-addr.arpa domain name pointer harr-b-185.resnet.purdue.edu. 186.197.211.128.in-addr.arpa domain name pointer harr-b-186.resnet.purdue.edu. 187.197.211.128.in-addr.arpa domain name pointer harr-b-187.resnet.purdue.edu. 188.197.211.128.in-addr.arpa domain name pointer harr-b-188.resnet.purdue.edu. 189.197.211.128.in-addr.arpa domain name pointer harr-b-189.resnet.purdue.edu. 190.197.211.128.in-addr.arpa domain name pointer harr-b-190.resnet.purdue.edu. 191.197.211.128.in-addr.arpa domain name pointer harr-b-191.resnet.purdue.edu. 192.197.211.128.in-addr.arpa domain name pointer harr-b-192.resnet.purdue.edu. 193.197.211.128.in-addr.arpa domain name pointer harr-b-193.resnet.purdue.edu. 194.197.211.128.in-addr.arpa domain name pointer harr-b-194.resnet.purdue.edu. 195.197.211.128.in-addr.arpa domain name pointer harr-b-195.resnet.purdue.edu. 196.197.211.128.in-addr.arpa domain name pointer harr-b-196.resnet.purdue.edu. 197.197.211.128.in-addr.arpa domain name pointer harr-b-197.resnet.purdue.edu. 198.197.211.128.in-addr.arpa domain name pointer harr-b-198.resnet.purdue.edu. 199.197.211.128.in-addr.arpa domain name pointer harr-b-199.resnet.purdue.edu. 200.197.211.128.in-addr.arpa domain name pointer harr-b-200.resnet.purdue.edu. 201.197.211.128.in-addr.arpa domain name pointer harr-b-201.resnet.purdue.edu. 202.197.211.128.in-addr.arpa domain name pointer harr-b-202.resnet.purdue.edu. 203.197.211.128.in-addr.arpa domain name pointer harr-b-203.resnet.purdue.edu. 204.197.211.128.in-addr.arpa domain name pointer harr-b-204.resnet.purdue.edu. 205.197.211.128.in-addr.arpa domain name pointer harr-b-205.resnet.purdue.edu. 206.197.211.128.in-addr.arpa domain name pointer harr-b-206.resnet.purdue.edu. 207.197.211.128.in-addr.arpa domain name pointer harr-b-207.resnet.purdue.edu. 208.197.211.128.in-addr.arpa domain name pointer harr-b-208.resnet.purdue.edu. 209.197.211.128.in-addr.arpa domain name pointer harr-b-209.resnet.purdue.edu. 210.197.211.128.in-addr.arpa domain name pointer harr-b-210.resnet.purdue.edu. 211.197.211.128.in-addr.arpa domain name pointer harr-b-211.resnet.purdue.edu. 212.197.211.128.in-addr.arpa domain name pointer harr-b-212.resnet.purdue.edu. 213.197.211.128.in-addr.arpa domain name pointer harr-b-213.resnet.purdue.edu. 214.197.211.128.in-addr.arpa domain name pointer harr-b-214.resnet.purdue.edu. 215.197.211.128.in-addr.arpa domain name pointer harr-b-215.resnet.purdue.edu. 216.197.211.128.in-addr.arpa domain name pointer harr-b-216.resnet.purdue.edu. 217.197.211.128.in-addr.arpa domain name pointer harr-b-217.resnet.purdue.edu. 218.197.211.128.in-addr.arpa domain name pointer harr-b-218.resnet.purdue.edu. 219.197.211.128.in-addr.arpa domain name pointer harr-b-219.resnet.purdue.edu. 220.197.211.128.in-addr.arpa domain name pointer harr-b-220.resnet.purdue.edu. 221.197.211.128.in-addr.arpa domain name pointer harr-b-221.resnet.purdue.edu. 222.197.211.128.in-addr.arpa domain name pointer harr-b-222.resnet.purdue.edu. 223.197.211.128.in-addr.arpa domain name pointer harr-b-223.resnet.purdue.edu. 224.197.211.128.in-addr.arpa domain name pointer harr-b-224.resnet.purdue.edu. 225.197.211.128.in-addr.arpa domain name pointer harr-b-225.resnet.purdue.edu. 226.197.211.128.in-addr.arpa domain name pointer harr-b-226.resnet.purdue.edu. 227.197.211.128.in-addr.arpa domain name pointer harr-b-227.resnet.purdue.edu. 228.197.211.128.in-addr.arpa domain name pointer harr-b-228.resnet.purdue.edu. 229.197.211.128.in-addr.arpa domain name pointer harr-b-229.resnet.purdue.edu. 230.197.211.128.in-addr.arpa domain name pointer harr-b-230.resnet.purdue.edu. 231.197.211.128.in-addr.arpa domain name pointer harr-b-231.resnet.purdue.edu. 232.197.211.128.in-addr.arpa domain name pointer harr-b-232.resnet.purdue.edu. 233.197.211.128.in-addr.arpa domain name pointer harr-b-233.resnet.purdue.edu. 234.197.211.128.in-addr.arpa domain name pointer harr-b-234.resnet.purdue.edu. 235.197.211.128.in-addr.arpa domain name pointer harr-b-235.resnet.purdue.edu. 236.197.211.128.in-addr.arpa domain name pointer harr-b-236.resnet.purdue.edu. 237.197.211.128.in-addr.arpa domain name pointer harr-b-237.resnet.purdue.edu. 238.197.211.128.in-addr.arpa domain name pointer harr-b-238.resnet.purdue.edu. 239.197.211.128.in-addr.arpa domain name pointer harr-b-239.resnet.purdue.edu. 240.197.211.128.in-addr.arpa domain name pointer harr-b-240.resnet.purdue.edu. 241.197.211.128.in-addr.arpa domain name pointer harr-b-241.resnet.purdue.edu. 242.197.211.128.in-addr.arpa domain name pointer harr-b-242.resnet.purdue.edu. 243.197.211.128.in-addr.arpa domain name pointer harr-b-243.resnet.purdue.edu. 244.197.211.128.in-addr.arpa domain name pointer harr-b-244.resnet.purdue.edu. 245.197.211.128.in-addr.arpa domain name pointer harr-b-245.resnet.purdue.edu. 246.197.211.128.in-addr.arpa domain name pointer harr-b-246.resnet.purdue.edu. 247.197.211.128.in-addr.arpa domain name pointer harr-b-247.resnet.purdue.edu. 248.197.211.128.in-addr.arpa domain name pointer harr-b-248.resnet.purdue.edu. 249.197.211.128.in-addr.arpa domain name pointer harr-b-249.resnet.purdue.edu. 250.197.211.128.in-addr.arpa domain name pointer harr-b-250.resnet.purdue.edu. 251.197.211.128.in-addr.arpa domain name pointer lmb-197.resnet.purdue.edu. 252.197.211.128.in-addr.arpa domain name pointer explorer-197.itt.purdue.edu. Host 253.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 254.197.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 255.197.211.128.in-addr.arpa not found: 3(NXDOMAIN)