Host 0.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) 1.198.211.128.in-addr.arpa domain name pointer harr-c149-c4507-01-198b.tcom.purdue.edu. 2.198.211.128.in-addr.arpa domain name pointer pdntest198b.tcom.purdue.edu. Host 3.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 4.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 5.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 6.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 7.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 8.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 9.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 10.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 11.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 12.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 13.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 14.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 15.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) 16.198.211.128.in-addr.arpa domain name pointer harr-c-016.resnet.purdue.edu. 17.198.211.128.in-addr.arpa domain name pointer harr-c-017.resnet.purdue.edu. 18.198.211.128.in-addr.arpa domain name pointer harr-c-018.resnet.purdue.edu. 19.198.211.128.in-addr.arpa domain name pointer harr-c-019.resnet.purdue.edu. 20.198.211.128.in-addr.arpa domain name pointer harr-c-020.resnet.purdue.edu. 21.198.211.128.in-addr.arpa domain name pointer harr-c-021.resnet.purdue.edu. 22.198.211.128.in-addr.arpa domain name pointer harr-c-022.resnet.purdue.edu. 23.198.211.128.in-addr.arpa domain name pointer harr-c-023.resnet.purdue.edu. 24.198.211.128.in-addr.arpa domain name pointer harr-c-024.resnet.purdue.edu. 25.198.211.128.in-addr.arpa domain name pointer harr-c-025.resnet.purdue.edu. 26.198.211.128.in-addr.arpa domain name pointer harr-c-026.resnet.purdue.edu. 27.198.211.128.in-addr.arpa domain name pointer harr-c-027.resnet.purdue.edu. 28.198.211.128.in-addr.arpa domain name pointer harr-c-028.resnet.purdue.edu. 29.198.211.128.in-addr.arpa domain name pointer harr-c-029.resnet.purdue.edu. 30.198.211.128.in-addr.arpa domain name pointer harr-c-030.resnet.purdue.edu. 31.198.211.128.in-addr.arpa domain name pointer harr-c-031.resnet.purdue.edu. 32.198.211.128.in-addr.arpa domain name pointer harr-c-032.resnet.purdue.edu. 33.198.211.128.in-addr.arpa domain name pointer harr-c-033.resnet.purdue.edu. 34.198.211.128.in-addr.arpa domain name pointer harr-c-034.resnet.purdue.edu. 35.198.211.128.in-addr.arpa domain name pointer harr-c-035.resnet.purdue.edu. 36.198.211.128.in-addr.arpa domain name pointer harr-c-036.resnet.purdue.edu. 37.198.211.128.in-addr.arpa domain name pointer harr-c-037.resnet.purdue.edu. 38.198.211.128.in-addr.arpa domain name pointer harr-c-038.resnet.purdue.edu. 39.198.211.128.in-addr.arpa domain name pointer harr-c-039.resnet.purdue.edu. 40.198.211.128.in-addr.arpa domain name pointer harr-c-040.resnet.purdue.edu. 41.198.211.128.in-addr.arpa domain name pointer harr-c-041.resnet.purdue.edu. 42.198.211.128.in-addr.arpa domain name pointer harr-c-042.resnet.purdue.edu. 43.198.211.128.in-addr.arpa domain name pointer harr-c-043.resnet.purdue.edu. 44.198.211.128.in-addr.arpa domain name pointer harr-c-044.resnet.purdue.edu. 45.198.211.128.in-addr.arpa domain name pointer harr-c-045.resnet.purdue.edu. 46.198.211.128.in-addr.arpa domain name pointer harr-c-046.resnet.purdue.edu. 47.198.211.128.in-addr.arpa domain name pointer harr-c-047.resnet.purdue.edu. 48.198.211.128.in-addr.arpa domain name pointer harr-c-048.resnet.purdue.edu. 49.198.211.128.in-addr.arpa domain name pointer harr-c-049.resnet.purdue.edu. 50.198.211.128.in-addr.arpa domain name pointer harr-c-050.resnet.purdue.edu. 51.198.211.128.in-addr.arpa domain name pointer harr-c-051.resnet.purdue.edu. 52.198.211.128.in-addr.arpa domain name pointer harr-c-052.resnet.purdue.edu. 53.198.211.128.in-addr.arpa domain name pointer harr-c-053.resnet.purdue.edu. 54.198.211.128.in-addr.arpa domain name pointer harr-c-054.resnet.purdue.edu. 55.198.211.128.in-addr.arpa domain name pointer harr-c-055.resnet.purdue.edu. 56.198.211.128.in-addr.arpa domain name pointer harr-c-056.resnet.purdue.edu. 57.198.211.128.in-addr.arpa domain name pointer harr-c-057.resnet.purdue.edu. 58.198.211.128.in-addr.arpa domain name pointer harr-c-058.resnet.purdue.edu. 59.198.211.128.in-addr.arpa domain name pointer harr-c-059.resnet.purdue.edu. 60.198.211.128.in-addr.arpa domain name pointer harr-c-060.resnet.purdue.edu. 61.198.211.128.in-addr.arpa domain name pointer harr-c-061.resnet.purdue.edu. 62.198.211.128.in-addr.arpa domain name pointer harr-c-062.resnet.purdue.edu. 63.198.211.128.in-addr.arpa domain name pointer harr-c-063.resnet.purdue.edu. 64.198.211.128.in-addr.arpa domain name pointer harr-c-064.resnet.purdue.edu. 65.198.211.128.in-addr.arpa domain name pointer harr-c-065.resnet.purdue.edu. 66.198.211.128.in-addr.arpa domain name pointer harr-c-066.resnet.purdue.edu. 67.198.211.128.in-addr.arpa domain name pointer harr-c-067.resnet.purdue.edu. 68.198.211.128.in-addr.arpa domain name pointer harr-c-068.resnet.purdue.edu. 69.198.211.128.in-addr.arpa domain name pointer harr-c-069.resnet.purdue.edu. 70.198.211.128.in-addr.arpa domain name pointer harr-c-070.resnet.purdue.edu. 71.198.211.128.in-addr.arpa domain name pointer harr-c-071.resnet.purdue.edu. 72.198.211.128.in-addr.arpa domain name pointer harr-c-072.resnet.purdue.edu. 73.198.211.128.in-addr.arpa domain name pointer harr-c-073.resnet.purdue.edu. 74.198.211.128.in-addr.arpa domain name pointer harr-c-074.resnet.purdue.edu. 75.198.211.128.in-addr.arpa domain name pointer harr-c-075.resnet.purdue.edu. 76.198.211.128.in-addr.arpa domain name pointer harr-c-076.resnet.purdue.edu. 77.198.211.128.in-addr.arpa domain name pointer harr-c-077.resnet.purdue.edu. 78.198.211.128.in-addr.arpa domain name pointer harr-c-078.resnet.purdue.edu. 79.198.211.128.in-addr.arpa domain name pointer harr-c-079.resnet.purdue.edu. 80.198.211.128.in-addr.arpa domain name pointer harr-c-080.resnet.purdue.edu. 81.198.211.128.in-addr.arpa domain name pointer harr-c-081.resnet.purdue.edu. 82.198.211.128.in-addr.arpa domain name pointer harr-c-082.resnet.purdue.edu. 83.198.211.128.in-addr.arpa domain name pointer harr-c-083.resnet.purdue.edu. 84.198.211.128.in-addr.arpa domain name pointer harr-c-084.resnet.purdue.edu. 85.198.211.128.in-addr.arpa domain name pointer harr-c-085.resnet.purdue.edu. 86.198.211.128.in-addr.arpa domain name pointer harr-c-086.resnet.purdue.edu. 87.198.211.128.in-addr.arpa domain name pointer harr-c-087.resnet.purdue.edu. 88.198.211.128.in-addr.arpa domain name pointer harr-c-088.resnet.purdue.edu. 89.198.211.128.in-addr.arpa domain name pointer harr-c-089.resnet.purdue.edu. 90.198.211.128.in-addr.arpa domain name pointer harr-c-090.resnet.purdue.edu. 91.198.211.128.in-addr.arpa domain name pointer harr-c-091.resnet.purdue.edu. 92.198.211.128.in-addr.arpa domain name pointer harr-c-092.resnet.purdue.edu. 93.198.211.128.in-addr.arpa domain name pointer harr-c-093.resnet.purdue.edu. 94.198.211.128.in-addr.arpa domain name pointer harr-c-094.resnet.purdue.edu. 95.198.211.128.in-addr.arpa domain name pointer harr-c-095.resnet.purdue.edu. 96.198.211.128.in-addr.arpa domain name pointer harr-c-096.resnet.purdue.edu. 97.198.211.128.in-addr.arpa domain name pointer harr-c-097.resnet.purdue.edu. 98.198.211.128.in-addr.arpa domain name pointer harr-c-098.resnet.purdue.edu. 99.198.211.128.in-addr.arpa domain name pointer harr-c-099.resnet.purdue.edu. 100.198.211.128.in-addr.arpa domain name pointer harr-c-100.resnet.purdue.edu. 101.198.211.128.in-addr.arpa domain name pointer harr-c-101.resnet.purdue.edu. 102.198.211.128.in-addr.arpa domain name pointer harr-c-102.resnet.purdue.edu. 103.198.211.128.in-addr.arpa domain name pointer harr-c-103.resnet.purdue.edu. 104.198.211.128.in-addr.arpa domain name pointer harr-c-104.resnet.purdue.edu. 105.198.211.128.in-addr.arpa domain name pointer harr-c-105.resnet.purdue.edu. 106.198.211.128.in-addr.arpa domain name pointer harr-c-106.resnet.purdue.edu. 107.198.211.128.in-addr.arpa domain name pointer harr-c-107.resnet.purdue.edu. 108.198.211.128.in-addr.arpa domain name pointer harr-c-108.resnet.purdue.edu. 109.198.211.128.in-addr.arpa domain name pointer harr-c-109.resnet.purdue.edu. 110.198.211.128.in-addr.arpa domain name pointer harr-c-110.resnet.purdue.edu. 111.198.211.128.in-addr.arpa domain name pointer harr-c-111.resnet.purdue.edu. 112.198.211.128.in-addr.arpa domain name pointer harr-c-112.resnet.purdue.edu. 113.198.211.128.in-addr.arpa domain name pointer harr-c-113.resnet.purdue.edu. 114.198.211.128.in-addr.arpa domain name pointer harr-c-114.resnet.purdue.edu. 115.198.211.128.in-addr.arpa domain name pointer harr-c-115.resnet.purdue.edu. 116.198.211.128.in-addr.arpa domain name pointer harr-c-116.resnet.purdue.edu. 117.198.211.128.in-addr.arpa domain name pointer harr-c-117.resnet.purdue.edu. 118.198.211.128.in-addr.arpa domain name pointer harr-c-118.resnet.purdue.edu. 119.198.211.128.in-addr.arpa domain name pointer harr-c-119.resnet.purdue.edu. 120.198.211.128.in-addr.arpa domain name pointer harr-c-120.resnet.purdue.edu. 121.198.211.128.in-addr.arpa domain name pointer harr-c-121.resnet.purdue.edu. 122.198.211.128.in-addr.arpa domain name pointer harr-c-122.resnet.purdue.edu. 123.198.211.128.in-addr.arpa domain name pointer harr-c-123.resnet.purdue.edu. 124.198.211.128.in-addr.arpa domain name pointer harr-c-124.resnet.purdue.edu. 125.198.211.128.in-addr.arpa domain name pointer harr-c-125.resnet.purdue.edu. 126.198.211.128.in-addr.arpa domain name pointer harr-c-126.resnet.purdue.edu. 127.198.211.128.in-addr.arpa domain name pointer harr-c-127.resnet.purdue.edu. 128.198.211.128.in-addr.arpa domain name pointer harr-c-128.resnet.purdue.edu. 129.198.211.128.in-addr.arpa domain name pointer harr-c-129.resnet.purdue.edu. 130.198.211.128.in-addr.arpa domain name pointer harr-c-130.resnet.purdue.edu. 131.198.211.128.in-addr.arpa domain name pointer harr-c-131.resnet.purdue.edu. 132.198.211.128.in-addr.arpa domain name pointer harr-c-132.resnet.purdue.edu. 133.198.211.128.in-addr.arpa domain name pointer harr-c-133.resnet.purdue.edu. 134.198.211.128.in-addr.arpa domain name pointer harr-c-134.resnet.purdue.edu. 135.198.211.128.in-addr.arpa domain name pointer harr-c-135.resnet.purdue.edu. 136.198.211.128.in-addr.arpa domain name pointer harr-c-136.resnet.purdue.edu. 137.198.211.128.in-addr.arpa domain name pointer harr-c-137.resnet.purdue.edu. 138.198.211.128.in-addr.arpa domain name pointer harr-c-138.resnet.purdue.edu. 139.198.211.128.in-addr.arpa domain name pointer harr-c-139.resnet.purdue.edu. 140.198.211.128.in-addr.arpa domain name pointer harr-c-140.resnet.purdue.edu. 141.198.211.128.in-addr.arpa domain name pointer harr-c-141.resnet.purdue.edu. 142.198.211.128.in-addr.arpa domain name pointer harr-c-142.resnet.purdue.edu. 143.198.211.128.in-addr.arpa domain name pointer harr-c-143.resnet.purdue.edu. 144.198.211.128.in-addr.arpa domain name pointer harr-c-144.resnet.purdue.edu. 145.198.211.128.in-addr.arpa domain name pointer harr-c-145.resnet.purdue.edu. 146.198.211.128.in-addr.arpa domain name pointer harr-c-146.resnet.purdue.edu. 147.198.211.128.in-addr.arpa domain name pointer harr-c-147.resnet.purdue.edu. 148.198.211.128.in-addr.arpa domain name pointer harr-c-148.resnet.purdue.edu. 149.198.211.128.in-addr.arpa domain name pointer harr-c-149.resnet.purdue.edu. 150.198.211.128.in-addr.arpa domain name pointer harr-c-150.resnet.purdue.edu. 151.198.211.128.in-addr.arpa domain name pointer harr-c-151.resnet.purdue.edu. 152.198.211.128.in-addr.arpa domain name pointer harr-c-152.resnet.purdue.edu. 153.198.211.128.in-addr.arpa domain name pointer harr-c-153.resnet.purdue.edu. 154.198.211.128.in-addr.arpa domain name pointer harr-c-154.resnet.purdue.edu. 155.198.211.128.in-addr.arpa domain name pointer harr-c-155.resnet.purdue.edu. 156.198.211.128.in-addr.arpa domain name pointer harr-c-156.resnet.purdue.edu. 157.198.211.128.in-addr.arpa domain name pointer harr-c-157.resnet.purdue.edu. 158.198.211.128.in-addr.arpa domain name pointer harr-c-158.resnet.purdue.edu. 159.198.211.128.in-addr.arpa domain name pointer harr-c-159.resnet.purdue.edu. 160.198.211.128.in-addr.arpa domain name pointer harr-c-160.resnet.purdue.edu. 161.198.211.128.in-addr.arpa domain name pointer harr-c-161.resnet.purdue.edu. 162.198.211.128.in-addr.arpa domain name pointer harr-c-162.resnet.purdue.edu. 163.198.211.128.in-addr.arpa domain name pointer harr-c-163.resnet.purdue.edu. 164.198.211.128.in-addr.arpa domain name pointer harr-c-164.resnet.purdue.edu. 165.198.211.128.in-addr.arpa domain name pointer harr-c-165.resnet.purdue.edu. 166.198.211.128.in-addr.arpa domain name pointer harr-c-166.resnet.purdue.edu. 167.198.211.128.in-addr.arpa domain name pointer harr-c-167.resnet.purdue.edu. 168.198.211.128.in-addr.arpa domain name pointer harr-c-168.resnet.purdue.edu. 169.198.211.128.in-addr.arpa domain name pointer harr-c-169.resnet.purdue.edu. 170.198.211.128.in-addr.arpa domain name pointer harr-c-170.resnet.purdue.edu. 171.198.211.128.in-addr.arpa domain name pointer harr-c-171.resnet.purdue.edu. 172.198.211.128.in-addr.arpa domain name pointer harr-c-172.resnet.purdue.edu. 173.198.211.128.in-addr.arpa domain name pointer harr-c-173.resnet.purdue.edu. 174.198.211.128.in-addr.arpa domain name pointer harr-c-174.resnet.purdue.edu. 175.198.211.128.in-addr.arpa domain name pointer harr-c-175.resnet.purdue.edu. 176.198.211.128.in-addr.arpa domain name pointer harr-c-176.resnet.purdue.edu. 177.198.211.128.in-addr.arpa domain name pointer harr-c-177.resnet.purdue.edu. 178.198.211.128.in-addr.arpa domain name pointer harr-c-178.resnet.purdue.edu. 179.198.211.128.in-addr.arpa domain name pointer harr-c-179.resnet.purdue.edu. 180.198.211.128.in-addr.arpa domain name pointer harr-c-180.resnet.purdue.edu. 181.198.211.128.in-addr.arpa domain name pointer harr-c-181.resnet.purdue.edu. 182.198.211.128.in-addr.arpa domain name pointer harr-c-182.resnet.purdue.edu. 183.198.211.128.in-addr.arpa domain name pointer harr-c-183.resnet.purdue.edu. 184.198.211.128.in-addr.arpa domain name pointer harr-c-184.resnet.purdue.edu. 185.198.211.128.in-addr.arpa domain name pointer harr-c-185.resnet.purdue.edu. 186.198.211.128.in-addr.arpa domain name pointer harr-c-186.resnet.purdue.edu. 187.198.211.128.in-addr.arpa domain name pointer harr-c-187.resnet.purdue.edu. 188.198.211.128.in-addr.arpa domain name pointer harr-c-188.resnet.purdue.edu. 189.198.211.128.in-addr.arpa domain name pointer harr-c-189.resnet.purdue.edu. 190.198.211.128.in-addr.arpa domain name pointer harr-c-190.resnet.purdue.edu. 191.198.211.128.in-addr.arpa domain name pointer harr-c-191.resnet.purdue.edu. 192.198.211.128.in-addr.arpa domain name pointer harr-c-192.resnet.purdue.edu. 193.198.211.128.in-addr.arpa domain name pointer harr-c-193.resnet.purdue.edu. 194.198.211.128.in-addr.arpa domain name pointer harr-c-194.resnet.purdue.edu. 195.198.211.128.in-addr.arpa domain name pointer harr-c-195.resnet.purdue.edu. 196.198.211.128.in-addr.arpa domain name pointer harr-c-196.resnet.purdue.edu. 197.198.211.128.in-addr.arpa domain name pointer harr-c-197.resnet.purdue.edu. 198.198.211.128.in-addr.arpa domain name pointer harr-c-198.resnet.purdue.edu. 199.198.211.128.in-addr.arpa domain name pointer harr-c-199.resnet.purdue.edu. 200.198.211.128.in-addr.arpa domain name pointer harr-c-200.resnet.purdue.edu. 201.198.211.128.in-addr.arpa domain name pointer harr-c-201.resnet.purdue.edu. 202.198.211.128.in-addr.arpa domain name pointer harr-c-202.resnet.purdue.edu. 203.198.211.128.in-addr.arpa domain name pointer harr-c-203.resnet.purdue.edu. 204.198.211.128.in-addr.arpa domain name pointer harr-c-204.resnet.purdue.edu. 205.198.211.128.in-addr.arpa domain name pointer harr-c-205.resnet.purdue.edu. 206.198.211.128.in-addr.arpa domain name pointer harr-c-206.resnet.purdue.edu. 207.198.211.128.in-addr.arpa domain name pointer harr-c-207.resnet.purdue.edu. 208.198.211.128.in-addr.arpa domain name pointer harr-c-208.resnet.purdue.edu. 209.198.211.128.in-addr.arpa domain name pointer harr-c-209.resnet.purdue.edu. 210.198.211.128.in-addr.arpa domain name pointer harr-c-210.resnet.purdue.edu. 211.198.211.128.in-addr.arpa domain name pointer harr-c-211.resnet.purdue.edu. 212.198.211.128.in-addr.arpa domain name pointer harr-c-212.resnet.purdue.edu. 213.198.211.128.in-addr.arpa domain name pointer harr-c-213.resnet.purdue.edu. 214.198.211.128.in-addr.arpa domain name pointer harr-c-214.resnet.purdue.edu. 215.198.211.128.in-addr.arpa domain name pointer harr-c-215.resnet.purdue.edu. 216.198.211.128.in-addr.arpa domain name pointer harr-c-216.resnet.purdue.edu. 217.198.211.128.in-addr.arpa domain name pointer harr-c-217.resnet.purdue.edu. 218.198.211.128.in-addr.arpa domain name pointer harr-c-218.resnet.purdue.edu. 219.198.211.128.in-addr.arpa domain name pointer harr-c-219.resnet.purdue.edu. 220.198.211.128.in-addr.arpa domain name pointer harr-c-220.resnet.purdue.edu. 221.198.211.128.in-addr.arpa domain name pointer harr-c-221.resnet.purdue.edu. 222.198.211.128.in-addr.arpa domain name pointer harr-c-222.resnet.purdue.edu. 223.198.211.128.in-addr.arpa domain name pointer harr-c-223.resnet.purdue.edu. 224.198.211.128.in-addr.arpa domain name pointer harr-c-224.resnet.purdue.edu. 225.198.211.128.in-addr.arpa domain name pointer harr-c-225.resnet.purdue.edu. 226.198.211.128.in-addr.arpa domain name pointer harr-c-226.resnet.purdue.edu. 227.198.211.128.in-addr.arpa domain name pointer harr-c-227.resnet.purdue.edu. 228.198.211.128.in-addr.arpa domain name pointer harr-c-228.resnet.purdue.edu. 229.198.211.128.in-addr.arpa domain name pointer harr-c-229.resnet.purdue.edu. 230.198.211.128.in-addr.arpa domain name pointer harr-c-230.resnet.purdue.edu. 231.198.211.128.in-addr.arpa domain name pointer harr-c-231.resnet.purdue.edu. 232.198.211.128.in-addr.arpa domain name pointer harr-c-232.resnet.purdue.edu. 233.198.211.128.in-addr.arpa domain name pointer harr-c-233.resnet.purdue.edu. 234.198.211.128.in-addr.arpa domain name pointer harr-c-234.resnet.purdue.edu. 235.198.211.128.in-addr.arpa domain name pointer harr-c-235.resnet.purdue.edu. 236.198.211.128.in-addr.arpa domain name pointer harr-c-236.resnet.purdue.edu. 237.198.211.128.in-addr.arpa domain name pointer harr-c-237.resnet.purdue.edu. 238.198.211.128.in-addr.arpa domain name pointer harr-c-238.resnet.purdue.edu. 239.198.211.128.in-addr.arpa domain name pointer harr-c-239.resnet.purdue.edu. 240.198.211.128.in-addr.arpa domain name pointer harr-c-240.resnet.purdue.edu. 241.198.211.128.in-addr.arpa domain name pointer harr-c-241.resnet.purdue.edu. 242.198.211.128.in-addr.arpa domain name pointer harr-c-242.resnet.purdue.edu. 243.198.211.128.in-addr.arpa domain name pointer harr-c-243.resnet.purdue.edu. 244.198.211.128.in-addr.arpa domain name pointer harr-c-244.resnet.purdue.edu. 245.198.211.128.in-addr.arpa domain name pointer harr-c-245.resnet.purdue.edu. 246.198.211.128.in-addr.arpa domain name pointer harr-c-246.resnet.purdue.edu. 247.198.211.128.in-addr.arpa domain name pointer harr-c-247.resnet.purdue.edu. 248.198.211.128.in-addr.arpa domain name pointer harr-c-248.resnet.purdue.edu. 249.198.211.128.in-addr.arpa domain name pointer harr-c-249.resnet.purdue.edu. 250.198.211.128.in-addr.arpa domain name pointer harr-c-250.resnet.purdue.edu. 251.198.211.128.in-addr.arpa domain name pointer lmb-198.resnet.purdue.edu. 252.198.211.128.in-addr.arpa domain name pointer explorer-198.itt.purdue.edu. Host 253.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 254.198.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 255.198.211.128.in-addr.arpa not found: 3(NXDOMAIN)