Host 0.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) 1.237.211.128.in-addr.arpa domain name pointer cqs-b20-c4507-01-237b.tcom.purdue.edu. 2.237.211.128.in-addr.arpa domain name pointer pdntest237b.tcom.purdue.edu. Host 3.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 4.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 5.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 6.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 7.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 8.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 9.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 10.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 11.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 12.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 13.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 14.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 15.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) 16.237.211.128.in-addr.arpa domain name pointer cary-b-016.resnet.purdue.edu. 17.237.211.128.in-addr.arpa domain name pointer cary-b-017.resnet.purdue.edu. 18.237.211.128.in-addr.arpa domain name pointer cary-b-018.resnet.purdue.edu. 19.237.211.128.in-addr.arpa domain name pointer cary-b-019.resnet.purdue.edu. 20.237.211.128.in-addr.arpa domain name pointer cary-b-020.resnet.purdue.edu. 21.237.211.128.in-addr.arpa domain name pointer cary-b-021.resnet.purdue.edu. 22.237.211.128.in-addr.arpa domain name pointer cary-b-022.resnet.purdue.edu. 23.237.211.128.in-addr.arpa domain name pointer cary-b-023.resnet.purdue.edu. 24.237.211.128.in-addr.arpa domain name pointer cary-b-024.resnet.purdue.edu. 25.237.211.128.in-addr.arpa domain name pointer cary-b-025.resnet.purdue.edu. 26.237.211.128.in-addr.arpa domain name pointer cary-b-026.resnet.purdue.edu. 27.237.211.128.in-addr.arpa domain name pointer cary-b-027.resnet.purdue.edu. 28.237.211.128.in-addr.arpa domain name pointer cary-b-028.resnet.purdue.edu. 29.237.211.128.in-addr.arpa domain name pointer cary-b-029.resnet.purdue.edu. 30.237.211.128.in-addr.arpa domain name pointer cary-b-030.resnet.purdue.edu. 31.237.211.128.in-addr.arpa domain name pointer cary-b-031.resnet.purdue.edu. 32.237.211.128.in-addr.arpa domain name pointer cary-b-032.resnet.purdue.edu. 33.237.211.128.in-addr.arpa domain name pointer cary-b-033.resnet.purdue.edu. 34.237.211.128.in-addr.arpa domain name pointer cary-b-034.resnet.purdue.edu. 35.237.211.128.in-addr.arpa domain name pointer cary-b-035.resnet.purdue.edu. 36.237.211.128.in-addr.arpa domain name pointer cary-b-036.resnet.purdue.edu. 37.237.211.128.in-addr.arpa domain name pointer cary-b-037.resnet.purdue.edu. 38.237.211.128.in-addr.arpa domain name pointer cary-b-038.resnet.purdue.edu. 39.237.211.128.in-addr.arpa domain name pointer cary-b-039.resnet.purdue.edu. 40.237.211.128.in-addr.arpa domain name pointer cary-b-040.resnet.purdue.edu. 41.237.211.128.in-addr.arpa domain name pointer cary-b-041.resnet.purdue.edu. 42.237.211.128.in-addr.arpa domain name pointer cary-b-042.resnet.purdue.edu. 43.237.211.128.in-addr.arpa domain name pointer cary-b-043.resnet.purdue.edu. 44.237.211.128.in-addr.arpa domain name pointer cary-b-044.resnet.purdue.edu. 45.237.211.128.in-addr.arpa domain name pointer cary-b-045.resnet.purdue.edu. 46.237.211.128.in-addr.arpa domain name pointer cary-b-046.resnet.purdue.edu. 47.237.211.128.in-addr.arpa domain name pointer cary-b-047.resnet.purdue.edu. 48.237.211.128.in-addr.arpa domain name pointer cary-b-048.resnet.purdue.edu. 49.237.211.128.in-addr.arpa domain name pointer cary-b-049.resnet.purdue.edu. 50.237.211.128.in-addr.arpa domain name pointer cary-b-050.resnet.purdue.edu. 51.237.211.128.in-addr.arpa domain name pointer cary-b-051.resnet.purdue.edu. 52.237.211.128.in-addr.arpa domain name pointer cary-b-052.resnet.purdue.edu. 53.237.211.128.in-addr.arpa domain name pointer cary-b-053.resnet.purdue.edu. 54.237.211.128.in-addr.arpa domain name pointer cary-b-054.resnet.purdue.edu. 55.237.211.128.in-addr.arpa domain name pointer cary-b-055.resnet.purdue.edu. 56.237.211.128.in-addr.arpa domain name pointer cary-b-056.resnet.purdue.edu. 57.237.211.128.in-addr.arpa domain name pointer cary-b-057.resnet.purdue.edu. 58.237.211.128.in-addr.arpa domain name pointer cary-b-058.resnet.purdue.edu. 59.237.211.128.in-addr.arpa domain name pointer cary-b-059.resnet.purdue.edu. 60.237.211.128.in-addr.arpa domain name pointer cary-b-060.resnet.purdue.edu. 61.237.211.128.in-addr.arpa domain name pointer cary-b-061.resnet.purdue.edu. 62.237.211.128.in-addr.arpa domain name pointer cary-b-062.resnet.purdue.edu. 63.237.211.128.in-addr.arpa domain name pointer cary-b-063.resnet.purdue.edu. 64.237.211.128.in-addr.arpa domain name pointer cary-b-064.resnet.purdue.edu. 65.237.211.128.in-addr.arpa domain name pointer cary-b-065.resnet.purdue.edu. 66.237.211.128.in-addr.arpa domain name pointer cary-b-066.resnet.purdue.edu. 67.237.211.128.in-addr.arpa domain name pointer cary-b-067.resnet.purdue.edu. 68.237.211.128.in-addr.arpa domain name pointer cary-b-068.resnet.purdue.edu. 69.237.211.128.in-addr.arpa domain name pointer cary-b-069.resnet.purdue.edu. 70.237.211.128.in-addr.arpa domain name pointer cary-b-070.resnet.purdue.edu. 71.237.211.128.in-addr.arpa domain name pointer cary-b-071.resnet.purdue.edu. 72.237.211.128.in-addr.arpa domain name pointer cary-b-072.resnet.purdue.edu. 73.237.211.128.in-addr.arpa domain name pointer cary-b-073.resnet.purdue.edu. 74.237.211.128.in-addr.arpa domain name pointer cary-b-074.resnet.purdue.edu. 75.237.211.128.in-addr.arpa domain name pointer cary-b-075.resnet.purdue.edu. 76.237.211.128.in-addr.arpa domain name pointer cary-b-076.resnet.purdue.edu. 77.237.211.128.in-addr.arpa domain name pointer cary-b-077.resnet.purdue.edu. 78.237.211.128.in-addr.arpa domain name pointer cary-b-078.resnet.purdue.edu. 79.237.211.128.in-addr.arpa domain name pointer cary-b-079.resnet.purdue.edu. 80.237.211.128.in-addr.arpa domain name pointer cary-b-080.resnet.purdue.edu. 81.237.211.128.in-addr.arpa domain name pointer cary-b-081.resnet.purdue.edu. 82.237.211.128.in-addr.arpa domain name pointer cary-b-082.resnet.purdue.edu. 83.237.211.128.in-addr.arpa domain name pointer cary-b-083.resnet.purdue.edu. 84.237.211.128.in-addr.arpa domain name pointer cary-b-084.resnet.purdue.edu. 85.237.211.128.in-addr.arpa domain name pointer cary-b-085.resnet.purdue.edu. 86.237.211.128.in-addr.arpa domain name pointer cary-b-086.resnet.purdue.edu. 87.237.211.128.in-addr.arpa domain name pointer cary-b-087.resnet.purdue.edu. 88.237.211.128.in-addr.arpa domain name pointer cary-b-088.resnet.purdue.edu. 89.237.211.128.in-addr.arpa domain name pointer cary-b-089.resnet.purdue.edu. 90.237.211.128.in-addr.arpa domain name pointer cary-b-090.resnet.purdue.edu. 91.237.211.128.in-addr.arpa domain name pointer cary-b-091.resnet.purdue.edu. 92.237.211.128.in-addr.arpa domain name pointer cary-b-092.resnet.purdue.edu. 93.237.211.128.in-addr.arpa domain name pointer cary-b-093.resnet.purdue.edu. 94.237.211.128.in-addr.arpa domain name pointer cary-b-094.resnet.purdue.edu. 95.237.211.128.in-addr.arpa domain name pointer cary-b-095.resnet.purdue.edu. 96.237.211.128.in-addr.arpa domain name pointer cary-b-096.resnet.purdue.edu. 97.237.211.128.in-addr.arpa domain name pointer cary-b-097.resnet.purdue.edu. 98.237.211.128.in-addr.arpa domain name pointer cary-b-098.resnet.purdue.edu. 99.237.211.128.in-addr.arpa domain name pointer cary-b-099.resnet.purdue.edu. 100.237.211.128.in-addr.arpa domain name pointer cary-b-100.resnet.purdue.edu. 101.237.211.128.in-addr.arpa domain name pointer cary-b-101.resnet.purdue.edu. 102.237.211.128.in-addr.arpa domain name pointer cary-b-102.resnet.purdue.edu. 103.237.211.128.in-addr.arpa domain name pointer cary-b-103.resnet.purdue.edu. 104.237.211.128.in-addr.arpa domain name pointer cary-b-104.resnet.purdue.edu. 105.237.211.128.in-addr.arpa domain name pointer cary-b-105.resnet.purdue.edu. 106.237.211.128.in-addr.arpa domain name pointer cary-b-106.resnet.purdue.edu. 107.237.211.128.in-addr.arpa domain name pointer cary-b-107.resnet.purdue.edu. 108.237.211.128.in-addr.arpa domain name pointer cary-b-108.resnet.purdue.edu. 109.237.211.128.in-addr.arpa domain name pointer cary-b-109.resnet.purdue.edu. 110.237.211.128.in-addr.arpa domain name pointer cary-b-110.resnet.purdue.edu. 111.237.211.128.in-addr.arpa domain name pointer cary-b-111.resnet.purdue.edu. 112.237.211.128.in-addr.arpa domain name pointer cary-b-112.resnet.purdue.edu. 113.237.211.128.in-addr.arpa domain name pointer cary-b-113.resnet.purdue.edu. 114.237.211.128.in-addr.arpa domain name pointer cary-b-114.resnet.purdue.edu. 115.237.211.128.in-addr.arpa domain name pointer cary-b-115.resnet.purdue.edu. 116.237.211.128.in-addr.arpa domain name pointer cary-b-116.resnet.purdue.edu. 117.237.211.128.in-addr.arpa domain name pointer cary-b-117.resnet.purdue.edu. 118.237.211.128.in-addr.arpa domain name pointer cary-b-118.resnet.purdue.edu. 119.237.211.128.in-addr.arpa domain name pointer cary-b-119.resnet.purdue.edu. 120.237.211.128.in-addr.arpa domain name pointer cary-b-120.resnet.purdue.edu. 121.237.211.128.in-addr.arpa domain name pointer cary-b-121.resnet.purdue.edu. 122.237.211.128.in-addr.arpa domain name pointer cary-b-122.resnet.purdue.edu. 123.237.211.128.in-addr.arpa domain name pointer cary-b-123.resnet.purdue.edu. 124.237.211.128.in-addr.arpa domain name pointer cary-b-124.resnet.purdue.edu. 125.237.211.128.in-addr.arpa domain name pointer cary-b-125.resnet.purdue.edu. 126.237.211.128.in-addr.arpa domain name pointer cary-b-126.resnet.purdue.edu. 127.237.211.128.in-addr.arpa domain name pointer cary-b-127.resnet.purdue.edu. 128.237.211.128.in-addr.arpa domain name pointer cary-b-128.resnet.purdue.edu. 129.237.211.128.in-addr.arpa domain name pointer cary-b-129.resnet.purdue.edu. 130.237.211.128.in-addr.arpa domain name pointer cary-b-130.resnet.purdue.edu. 131.237.211.128.in-addr.arpa domain name pointer cary-b-131.resnet.purdue.edu. 132.237.211.128.in-addr.arpa domain name pointer cary-b-132.resnet.purdue.edu. 133.237.211.128.in-addr.arpa domain name pointer cary-b-133.resnet.purdue.edu. 134.237.211.128.in-addr.arpa domain name pointer cary-b-134.resnet.purdue.edu. 135.237.211.128.in-addr.arpa domain name pointer cary-b-135.resnet.purdue.edu. 136.237.211.128.in-addr.arpa domain name pointer cary-b-136.resnet.purdue.edu. 137.237.211.128.in-addr.arpa domain name pointer cary-b-137.resnet.purdue.edu. 138.237.211.128.in-addr.arpa domain name pointer cary-b-138.resnet.purdue.edu. 139.237.211.128.in-addr.arpa domain name pointer cary-b-139.resnet.purdue.edu. 140.237.211.128.in-addr.arpa domain name pointer cary-b-140.resnet.purdue.edu. 141.237.211.128.in-addr.arpa domain name pointer cary-b-141.resnet.purdue.edu. 142.237.211.128.in-addr.arpa domain name pointer cary-b-142.resnet.purdue.edu. 143.237.211.128.in-addr.arpa domain name pointer cary-b-143.resnet.purdue.edu. 144.237.211.128.in-addr.arpa domain name pointer cary-b-144.resnet.purdue.edu. 145.237.211.128.in-addr.arpa domain name pointer cary-b-145.resnet.purdue.edu. 146.237.211.128.in-addr.arpa domain name pointer cary-b-146.resnet.purdue.edu. 147.237.211.128.in-addr.arpa domain name pointer cary-b-147.resnet.purdue.edu. 148.237.211.128.in-addr.arpa domain name pointer cary-b-148.resnet.purdue.edu. 149.237.211.128.in-addr.arpa domain name pointer cary-b-149.resnet.purdue.edu. 150.237.211.128.in-addr.arpa domain name pointer cary-b-150.resnet.purdue.edu. 151.237.211.128.in-addr.arpa domain name pointer cary-b-151.resnet.purdue.edu. 152.237.211.128.in-addr.arpa domain name pointer cary-b-152.resnet.purdue.edu. 153.237.211.128.in-addr.arpa domain name pointer cary-b-153.resnet.purdue.edu. 154.237.211.128.in-addr.arpa domain name pointer cary-b-154.resnet.purdue.edu. 155.237.211.128.in-addr.arpa domain name pointer cary-b-155.resnet.purdue.edu. 156.237.211.128.in-addr.arpa domain name pointer cary-b-156.resnet.purdue.edu. 157.237.211.128.in-addr.arpa domain name pointer cary-b-157.resnet.purdue.edu. 158.237.211.128.in-addr.arpa domain name pointer cary-b-158.resnet.purdue.edu. 159.237.211.128.in-addr.arpa domain name pointer cary-b-159.resnet.purdue.edu. 160.237.211.128.in-addr.arpa domain name pointer cary-b-160.resnet.purdue.edu. 161.237.211.128.in-addr.arpa domain name pointer cary-b-161.resnet.purdue.edu. 162.237.211.128.in-addr.arpa domain name pointer cary-b-162.resnet.purdue.edu. 163.237.211.128.in-addr.arpa domain name pointer cary-b-163.resnet.purdue.edu. 164.237.211.128.in-addr.arpa domain name pointer cary-b-164.resnet.purdue.edu. 165.237.211.128.in-addr.arpa domain name pointer cary-b-165.resnet.purdue.edu. 166.237.211.128.in-addr.arpa domain name pointer cary-b-166.resnet.purdue.edu. 167.237.211.128.in-addr.arpa domain name pointer cary-b-167.resnet.purdue.edu. 168.237.211.128.in-addr.arpa domain name pointer cary-b-168.resnet.purdue.edu. 169.237.211.128.in-addr.arpa domain name pointer cary-b-169.resnet.purdue.edu. 170.237.211.128.in-addr.arpa domain name pointer cary-b-170.resnet.purdue.edu. 171.237.211.128.in-addr.arpa domain name pointer cary-b-171.resnet.purdue.edu. 172.237.211.128.in-addr.arpa domain name pointer cary-b-172.resnet.purdue.edu. 173.237.211.128.in-addr.arpa domain name pointer cary-b-173.resnet.purdue.edu. 174.237.211.128.in-addr.arpa domain name pointer cary-b-174.resnet.purdue.edu. 175.237.211.128.in-addr.arpa domain name pointer cary-b-175.resnet.purdue.edu. 176.237.211.128.in-addr.arpa domain name pointer cary-b-176.resnet.purdue.edu. 177.237.211.128.in-addr.arpa domain name pointer cary-b-177.resnet.purdue.edu. 178.237.211.128.in-addr.arpa domain name pointer cary-b-178.resnet.purdue.edu. 179.237.211.128.in-addr.arpa domain name pointer cary-b-179.resnet.purdue.edu. 180.237.211.128.in-addr.arpa domain name pointer cary-b-180.resnet.purdue.edu. 181.237.211.128.in-addr.arpa domain name pointer cary-b-181.resnet.purdue.edu. 182.237.211.128.in-addr.arpa domain name pointer cary-b-182.resnet.purdue.edu. 183.237.211.128.in-addr.arpa domain name pointer cary-b-183.resnet.purdue.edu. 184.237.211.128.in-addr.arpa domain name pointer cary-b-184.resnet.purdue.edu. 185.237.211.128.in-addr.arpa domain name pointer cary-b-185.resnet.purdue.edu. 186.237.211.128.in-addr.arpa domain name pointer cary-b-186.resnet.purdue.edu. 187.237.211.128.in-addr.arpa domain name pointer cary-b-187.resnet.purdue.edu. 188.237.211.128.in-addr.arpa domain name pointer cary-b-188.resnet.purdue.edu. 189.237.211.128.in-addr.arpa domain name pointer cary-b-189.resnet.purdue.edu. 190.237.211.128.in-addr.arpa domain name pointer cary-b-190.resnet.purdue.edu. 191.237.211.128.in-addr.arpa domain name pointer cary-b-191.resnet.purdue.edu. 192.237.211.128.in-addr.arpa domain name pointer cary-b-192.resnet.purdue.edu. 193.237.211.128.in-addr.arpa domain name pointer cary-b-193.resnet.purdue.edu. 194.237.211.128.in-addr.arpa domain name pointer cary-b-194.resnet.purdue.edu. 195.237.211.128.in-addr.arpa domain name pointer cary-b-195.resnet.purdue.edu. 196.237.211.128.in-addr.arpa domain name pointer cary-b-196.resnet.purdue.edu. 197.237.211.128.in-addr.arpa domain name pointer cary-b-197.resnet.purdue.edu. 198.237.211.128.in-addr.arpa domain name pointer cary-b-198.resnet.purdue.edu. 199.237.211.128.in-addr.arpa domain name pointer cary-b-199.resnet.purdue.edu. 200.237.211.128.in-addr.arpa domain name pointer cary-b-200.resnet.purdue.edu. 201.237.211.128.in-addr.arpa domain name pointer cary-b-201.resnet.purdue.edu. 202.237.211.128.in-addr.arpa domain name pointer cary-b-202.resnet.purdue.edu. 203.237.211.128.in-addr.arpa domain name pointer cary-b-203.resnet.purdue.edu. 204.237.211.128.in-addr.arpa domain name pointer cary-b-204.resnet.purdue.edu. 205.237.211.128.in-addr.arpa domain name pointer cary-b-205.resnet.purdue.edu. 206.237.211.128.in-addr.arpa domain name pointer cary-b-206.resnet.purdue.edu. 207.237.211.128.in-addr.arpa domain name pointer cary-b-207.resnet.purdue.edu. 208.237.211.128.in-addr.arpa domain name pointer cary-b-208.resnet.purdue.edu. 209.237.211.128.in-addr.arpa domain name pointer cary-b-209.resnet.purdue.edu. 210.237.211.128.in-addr.arpa domain name pointer cary-b-210.resnet.purdue.edu. 211.237.211.128.in-addr.arpa domain name pointer cary-b-211.resnet.purdue.edu. 212.237.211.128.in-addr.arpa domain name pointer cary-b-212.resnet.purdue.edu. 213.237.211.128.in-addr.arpa domain name pointer cary-b-213.resnet.purdue.edu. 214.237.211.128.in-addr.arpa domain name pointer cary-b-214.resnet.purdue.edu. 215.237.211.128.in-addr.arpa domain name pointer cary-b-215.resnet.purdue.edu. 216.237.211.128.in-addr.arpa domain name pointer cary-b-216.resnet.purdue.edu. 217.237.211.128.in-addr.arpa domain name pointer cary-b-217.resnet.purdue.edu. 218.237.211.128.in-addr.arpa domain name pointer cary-b-218.resnet.purdue.edu. 219.237.211.128.in-addr.arpa domain name pointer cary-b-219.resnet.purdue.edu. 220.237.211.128.in-addr.arpa domain name pointer cary-b-220.resnet.purdue.edu. 221.237.211.128.in-addr.arpa domain name pointer cary-b-221.resnet.purdue.edu. 222.237.211.128.in-addr.arpa domain name pointer cary-b-222.resnet.purdue.edu. 223.237.211.128.in-addr.arpa domain name pointer cary-b-223.resnet.purdue.edu. 224.237.211.128.in-addr.arpa domain name pointer cary-b-224.resnet.purdue.edu. 225.237.211.128.in-addr.arpa domain name pointer cary-b-225.resnet.purdue.edu. 226.237.211.128.in-addr.arpa domain name pointer cary-b-226.resnet.purdue.edu. 227.237.211.128.in-addr.arpa domain name pointer cary-b-227.resnet.purdue.edu. 228.237.211.128.in-addr.arpa domain name pointer cary-b-228.resnet.purdue.edu. 229.237.211.128.in-addr.arpa domain name pointer cary-b-229.resnet.purdue.edu. 230.237.211.128.in-addr.arpa domain name pointer cary-b-230.resnet.purdue.edu. 231.237.211.128.in-addr.arpa domain name pointer cary-b-231.resnet.purdue.edu. 232.237.211.128.in-addr.arpa domain name pointer cary-b-232.resnet.purdue.edu. 233.237.211.128.in-addr.arpa domain name pointer cary-b-233.resnet.purdue.edu. 234.237.211.128.in-addr.arpa domain name pointer cary-b-234.resnet.purdue.edu. 235.237.211.128.in-addr.arpa domain name pointer cary-b-235.resnet.purdue.edu. 236.237.211.128.in-addr.arpa domain name pointer cary-b-236.resnet.purdue.edu. 237.237.211.128.in-addr.arpa domain name pointer cary-b-237.resnet.purdue.edu. 238.237.211.128.in-addr.arpa domain name pointer cary-b-238.resnet.purdue.edu. 239.237.211.128.in-addr.arpa domain name pointer cary-b-239.resnet.purdue.edu. 240.237.211.128.in-addr.arpa domain name pointer cary-b-240.resnet.purdue.edu. 241.237.211.128.in-addr.arpa domain name pointer cary-b-241.resnet.purdue.edu. 242.237.211.128.in-addr.arpa domain name pointer cary-b-242.resnet.purdue.edu. 243.237.211.128.in-addr.arpa domain name pointer cary-b-243.resnet.purdue.edu. 244.237.211.128.in-addr.arpa domain name pointer cary-b-244.resnet.purdue.edu. 245.237.211.128.in-addr.arpa domain name pointer cary-b-245.resnet.purdue.edu. 246.237.211.128.in-addr.arpa domain name pointer cary-b-246.resnet.purdue.edu. 247.237.211.128.in-addr.arpa domain name pointer cary-b-247.resnet.purdue.edu. 248.237.211.128.in-addr.arpa domain name pointer cary-b-248.resnet.purdue.edu. 249.237.211.128.in-addr.arpa domain name pointer cary-b-249.resnet.purdue.edu. 250.237.211.128.in-addr.arpa domain name pointer cary-b-250.resnet.purdue.edu. 251.237.211.128.in-addr.arpa domain name pointer lmb-237.resnet.purdue.edu. 252.237.211.128.in-addr.arpa domain name pointer explorer-237.itt.purdue.edu. Host 253.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 254.237.211.128.in-addr.arpa not found: 3(NXDOMAIN) Host 255.237.211.128.in-addr.arpa not found: 3(NXDOMAIN)