Host 0.7.42.128.in-addr.arpa not found: 3(NXDOMAIN) 1.7.42.128.in-addr.arpa domain name pointer dhcp-7-1.cs.rice.edu. 2.7.42.128.in-addr.arpa domain name pointer dhcp-7-2.cs.rice.edu. 3.7.42.128.in-addr.arpa domain name pointer dhcp-7-3.cs.rice.edu. 4.7.42.128.in-addr.arpa domain name pointer dhcp-7-4.cs.rice.edu. 5.7.42.128.in-addr.arpa domain name pointer dhcp-7-5.cs.rice.edu. 6.7.42.128.in-addr.arpa domain name pointer dhcp-7-6.cs.rice.edu. 7.7.42.128.in-addr.arpa domain name pointer dhcp-7-7.cs.rice.edu. 8.7.42.128.in-addr.arpa domain name pointer dhcp-7-8.cs.rice.edu. 9.7.42.128.in-addr.arpa domain name pointer dhcp-7-9.cs.rice.edu. 10.7.42.128.in-addr.arpa domain name pointer dhcp-7-10.cs.rice.edu. 11.7.42.128.in-addr.arpa domain name pointer dhcp-7-11.cs.rice.edu. 12.7.42.128.in-addr.arpa domain name pointer dhcp-7-12.cs.rice.edu. 13.7.42.128.in-addr.arpa domain name pointer dhcp-7-13.cs.rice.edu. 14.7.42.128.in-addr.arpa domain name pointer dhcp-7-14.cs.rice.edu. 15.7.42.128.in-addr.arpa domain name pointer dhcp-7-15.cs.rice.edu. 16.7.42.128.in-addr.arpa domain name pointer dhcp-7-16.cs.rice.edu. 17.7.42.128.in-addr.arpa domain name pointer dhcp-7-17.cs.rice.edu. 18.7.42.128.in-addr.arpa domain name pointer dhcp-7-18.cs.rice.edu. 19.7.42.128.in-addr.arpa domain name pointer dhcp-7-19.cs.rice.edu. 20.7.42.128.in-addr.arpa domain name pointer dhcp-7-20.cs.rice.edu. 21.7.42.128.in-addr.arpa domain name pointer dhcp-7-21.cs.rice.edu. 22.7.42.128.in-addr.arpa domain name pointer dhcp-7-22.cs.rice.edu. 23.7.42.128.in-addr.arpa domain name pointer dhcp-7-23.cs.rice.edu. 24.7.42.128.in-addr.arpa domain name pointer dhcp-7-24.cs.rice.edu. 25.7.42.128.in-addr.arpa domain name pointer dhcp-7-25.cs.rice.edu. 26.7.42.128.in-addr.arpa domain name pointer dhcp-7-26.cs.rice.edu. 27.7.42.128.in-addr.arpa domain name pointer dhcp-7-27.cs.rice.edu. 28.7.42.128.in-addr.arpa domain name pointer dhcp-7-28.cs.rice.edu. 29.7.42.128.in-addr.arpa domain name pointer dhcp-7-29.cs.rice.edu. 30.7.42.128.in-addr.arpa domain name pointer dhcp-7-30.cs.rice.edu. 31.7.42.128.in-addr.arpa domain name pointer dhcp-7-31.cs.rice.edu. 32.7.42.128.in-addr.arpa domain name pointer dhcp-7-32.cs.rice.edu. 33.7.42.128.in-addr.arpa domain name pointer dhcp-7-33.cs.rice.edu. 34.7.42.128.in-addr.arpa domain name pointer dhcp-7-34.cs.rice.edu. 35.7.42.128.in-addr.arpa domain name pointer dhcp-7-35.cs.rice.edu. 36.7.42.128.in-addr.arpa domain name pointer dhcp-7-36.cs.rice.edu. 37.7.42.128.in-addr.arpa domain name pointer dhcp-7-37.cs.rice.edu. 38.7.42.128.in-addr.arpa domain name pointer dhcp-7-38.cs.rice.edu. 39.7.42.128.in-addr.arpa domain name pointer dhcp-7-39.cs.rice.edu. 40.7.42.128.in-addr.arpa domain name pointer dhcp-7-40.cs.rice.edu. 41.7.42.128.in-addr.arpa domain name pointer dhcp-7-41.cs.rice.edu. 42.7.42.128.in-addr.arpa domain name pointer dhcp-7-42.cs.rice.edu. 43.7.42.128.in-addr.arpa domain name pointer dhcp-7-43.cs.rice.edu. 44.7.42.128.in-addr.arpa domain name pointer dhcp-7-44.cs.rice.edu. 45.7.42.128.in-addr.arpa domain name pointer dhcp-7-45.cs.rice.edu. 46.7.42.128.in-addr.arpa domain name pointer dhcp-7-46.cs.rice.edu. 47.7.42.128.in-addr.arpa domain name pointer dhcp-7-47.cs.rice.edu. 48.7.42.128.in-addr.arpa domain name pointer dhcp-7-48.cs.rice.edu. 49.7.42.128.in-addr.arpa domain name pointer dhcp-7-49.cs.rice.edu. 50.7.42.128.in-addr.arpa domain name pointer dhcp-7-50.cs.rice.edu. 51.7.42.128.in-addr.arpa domain name pointer dhcp-7-51.cs.rice.edu. 52.7.42.128.in-addr.arpa domain name pointer dhcp-7-52.cs.rice.edu. 53.7.42.128.in-addr.arpa domain name pointer dhcp-7-53.cs.rice.edu. 54.7.42.128.in-addr.arpa domain name pointer dhcp-7-54.cs.rice.edu. 55.7.42.128.in-addr.arpa domain name pointer dhcp-7-55.cs.rice.edu. 56.7.42.128.in-addr.arpa domain name pointer dhcp-7-56.cs.rice.edu. 57.7.42.128.in-addr.arpa domain name pointer dhcp-7-57.cs.rice.edu. 58.7.42.128.in-addr.arpa domain name pointer dhcp-7-58.cs.rice.edu. 59.7.42.128.in-addr.arpa domain name pointer dhcp-7-59.cs.rice.edu. 60.7.42.128.in-addr.arpa domain name pointer dhcp-7-60.cs.rice.edu. 61.7.42.128.in-addr.arpa domain name pointer dhcp-7-61.cs.rice.edu. 62.7.42.128.in-addr.arpa domain name pointer dhcp-7-62.cs.rice.edu. 63.7.42.128.in-addr.arpa domain name pointer dhcp-7-63.cs.rice.edu. 64.7.42.128.in-addr.arpa domain name pointer dhcp-7-64.cs.rice.edu. 65.7.42.128.in-addr.arpa domain name pointer dhcp-7-65.cs.rice.edu. 66.7.42.128.in-addr.arpa domain name pointer dhcp-7-66.cs.rice.edu. 67.7.42.128.in-addr.arpa domain name pointer dhcp-7-67.cs.rice.edu. 68.7.42.128.in-addr.arpa domain name pointer dhcp-7-68.cs.rice.edu. 69.7.42.128.in-addr.arpa domain name pointer dhcp-7-69.cs.rice.edu. 70.7.42.128.in-addr.arpa domain name pointer dhcp-7-70.cs.rice.edu. 71.7.42.128.in-addr.arpa domain name pointer dhcp-7-71.cs.rice.edu. 72.7.42.128.in-addr.arpa domain name pointer dhcp-7-72.cs.rice.edu. 73.7.42.128.in-addr.arpa domain name pointer dhcp-7-73.cs.rice.edu. 74.7.42.128.in-addr.arpa domain name pointer dhcp-7-74.cs.rice.edu. 75.7.42.128.in-addr.arpa domain name pointer dhcp-7-75.cs.rice.edu. 76.7.42.128.in-addr.arpa domain name pointer dhcp-7-76.cs.rice.edu. 77.7.42.128.in-addr.arpa domain name pointer dhcp-7-77.cs.rice.edu. 78.7.42.128.in-addr.arpa domain name pointer dhcp-7-78.cs.rice.edu. 79.7.42.128.in-addr.arpa domain name pointer dhcp-7-79.cs.rice.edu. 80.7.42.128.in-addr.arpa domain name pointer dhcp-7-80.cs.rice.edu. 81.7.42.128.in-addr.arpa domain name pointer dhcp-7-81.cs.rice.edu. 82.7.42.128.in-addr.arpa domain name pointer dhcp-7-82.cs.rice.edu. 83.7.42.128.in-addr.arpa domain name pointer dhcp-7-83.cs.rice.edu. 84.7.42.128.in-addr.arpa domain name pointer dhcp-7-84.cs.rice.edu. 85.7.42.128.in-addr.arpa domain name pointer dhcp-7-85.cs.rice.edu. 86.7.42.128.in-addr.arpa domain name pointer dhcp-7-86.cs.rice.edu. 87.7.42.128.in-addr.arpa domain name pointer dhcp-7-87.cs.rice.edu. 88.7.42.128.in-addr.arpa domain name pointer dhcp-7-88.cs.rice.edu. 89.7.42.128.in-addr.arpa domain name pointer dhcp-7-89.cs.rice.edu. 90.7.42.128.in-addr.arpa domain name pointer dhcp-7-90.cs.rice.edu. 91.7.42.128.in-addr.arpa domain name pointer dhcp-7-91.cs.rice.edu. 92.7.42.128.in-addr.arpa domain name pointer dhcp-7-92.cs.rice.edu. 93.7.42.128.in-addr.arpa domain name pointer dhcp-7-93.cs.rice.edu. 94.7.42.128.in-addr.arpa domain name pointer dhcp-7-94.cs.rice.edu. 95.7.42.128.in-addr.arpa domain name pointer dhcp-7-95.cs.rice.edu. 96.7.42.128.in-addr.arpa domain name pointer dhcp-7-96.cs.rice.edu. 97.7.42.128.in-addr.arpa domain name pointer dhcp-7-97.cs.rice.edu. 98.7.42.128.in-addr.arpa domain name pointer dhcp-7-98.cs.rice.edu. 99.7.42.128.in-addr.arpa domain name pointer dhcp-7-99.cs.rice.edu. 100.7.42.128.in-addr.arpa domain name pointer dhcp-7-100.cs.rice.edu. 101.7.42.128.in-addr.arpa domain name pointer dhcp-7-101.cs.rice.edu. 102.7.42.128.in-addr.arpa domain name pointer dhcp-7-102.cs.rice.edu. 103.7.42.128.in-addr.arpa domain name pointer dhcp-7-103.cs.rice.edu. 104.7.42.128.in-addr.arpa domain name pointer dhcp-7-104.cs.rice.edu. 105.7.42.128.in-addr.arpa domain name pointer dhcp-7-105.cs.rice.edu. 106.7.42.128.in-addr.arpa domain name pointer dhcp-7-106.cs.rice.edu. 107.7.42.128.in-addr.arpa domain name pointer dhcp-7-107.cs.rice.edu. 108.7.42.128.in-addr.arpa domain name pointer dhcp-7-108.cs.rice.edu. 109.7.42.128.in-addr.arpa domain name pointer dhcp-7-109.cs.rice.edu. 110.7.42.128.in-addr.arpa domain name pointer dhcp-7-110.cs.rice.edu. 111.7.42.128.in-addr.arpa domain name pointer dhcp-7-111.cs.rice.edu. 112.7.42.128.in-addr.arpa domain name pointer dhcp-7-112.cs.rice.edu. 113.7.42.128.in-addr.arpa domain name pointer dhcp-7-113.cs.rice.edu. 114.7.42.128.in-addr.arpa domain name pointer dhcp-7-114.cs.rice.edu. 115.7.42.128.in-addr.arpa domain name pointer dhcp-7-115.cs.rice.edu. 116.7.42.128.in-addr.arpa domain name pointer dhcp-7-116.cs.rice.edu. 117.7.42.128.in-addr.arpa domain name pointer dhcp-7-117.cs.rice.edu. 118.7.42.128.in-addr.arpa domain name pointer dhcp-7-118.cs.rice.edu. 119.7.42.128.in-addr.arpa domain name pointer dhcp-7-119.cs.rice.edu. 120.7.42.128.in-addr.arpa domain name pointer dhcp-7-120.cs.rice.edu. 121.7.42.128.in-addr.arpa domain name pointer dhcp-7-121.cs.rice.edu. 122.7.42.128.in-addr.arpa domain name pointer dhcp-7-122.cs.rice.edu. 123.7.42.128.in-addr.arpa domain name pointer dhcp-7-123.cs.rice.edu. 124.7.42.128.in-addr.arpa domain name pointer dhcp-7-124.cs.rice.edu. 125.7.42.128.in-addr.arpa domain name pointer dhcp-7-125.cs.rice.edu. 126.7.42.128.in-addr.arpa domain name pointer dhcp-7-126.cs.rice.edu. 127.7.42.128.in-addr.arpa domain name pointer dhcp-7-127.cs.rice.edu. 128.7.42.128.in-addr.arpa domain name pointer dhcp-7-128.cs.rice.edu. 129.7.42.128.in-addr.arpa domain name pointer dhcp-7-129.cs.rice.edu. 130.7.42.128.in-addr.arpa domain name pointer dhcp-7-130.cs.rice.edu. 131.7.42.128.in-addr.arpa domain name pointer dhcp-7-131.cs.rice.edu. 132.7.42.128.in-addr.arpa domain name pointer dhcp-7-132.cs.rice.edu. 133.7.42.128.in-addr.arpa domain name pointer dhcp-7-133.cs.rice.edu. 134.7.42.128.in-addr.arpa domain name pointer dhcp-7-134.cs.rice.edu. 135.7.42.128.in-addr.arpa domain name pointer dhcp-7-135.cs.rice.edu. 136.7.42.128.in-addr.arpa domain name pointer dhcp-7-136.cs.rice.edu. 137.7.42.128.in-addr.arpa domain name pointer dhcp-7-137.cs.rice.edu. 138.7.42.128.in-addr.arpa domain name pointer dhcp-7-138.cs.rice.edu. 139.7.42.128.in-addr.arpa domain name pointer dhcp-7-139.cs.rice.edu. 140.7.42.128.in-addr.arpa domain name pointer dhcp-7-140.cs.rice.edu. 141.7.42.128.in-addr.arpa domain name pointer dhcp-7-141.cs.rice.edu. 142.7.42.128.in-addr.arpa domain name pointer dhcp-7-142.cs.rice.edu. 143.7.42.128.in-addr.arpa domain name pointer dhcp-7-143.cs.rice.edu. 144.7.42.128.in-addr.arpa domain name pointer dhcp-7-144.cs.rice.edu. 145.7.42.128.in-addr.arpa domain name pointer dhcp-7-145.cs.rice.edu. 146.7.42.128.in-addr.arpa domain name pointer dhcp-7-146.cs.rice.edu. 147.7.42.128.in-addr.arpa domain name pointer dhcp-7-147.cs.rice.edu. 148.7.42.128.in-addr.arpa domain name pointer dhcp-7-148.cs.rice.edu. 149.7.42.128.in-addr.arpa domain name pointer dhcp-7-149.cs.rice.edu. 150.7.42.128.in-addr.arpa domain name pointer dhcp-7-150.cs.rice.edu. 151.7.42.128.in-addr.arpa domain name pointer dhcp-7-151.cs.rice.edu. 152.7.42.128.in-addr.arpa domain name pointer dhcp-7-152.cs.rice.edu. 153.7.42.128.in-addr.arpa domain name pointer dhcp-7-153.cs.rice.edu. 154.7.42.128.in-addr.arpa domain name pointer dhcp-7-154.cs.rice.edu. 155.7.42.128.in-addr.arpa domain name pointer dhcp-7-155.cs.rice.edu. 156.7.42.128.in-addr.arpa domain name pointer dhcp-7-156.cs.rice.edu. 157.7.42.128.in-addr.arpa domain name pointer dhcp-7-157.cs.rice.edu. 158.7.42.128.in-addr.arpa domain name pointer dhcp-7-158.cs.rice.edu. 159.7.42.128.in-addr.arpa domain name pointer dhcp-7-159.cs.rice.edu. 160.7.42.128.in-addr.arpa domain name pointer dhcp-7-160.cs.rice.edu. 161.7.42.128.in-addr.arpa domain name pointer dhcp-7-161.cs.rice.edu. 162.7.42.128.in-addr.arpa domain name pointer dhcp-7-162.cs.rice.edu. 163.7.42.128.in-addr.arpa domain name pointer dhcp-7-163.cs.rice.edu. 164.7.42.128.in-addr.arpa domain name pointer dhcp-7-164.cs.rice.edu. 165.7.42.128.in-addr.arpa domain name pointer dhcp-7-165.cs.rice.edu. 166.7.42.128.in-addr.arpa domain name pointer dhcp-7-166.cs.rice.edu. 167.7.42.128.in-addr.arpa domain name pointer dhcp-7-167.cs.rice.edu. 168.7.42.128.in-addr.arpa domain name pointer dhcp-7-168.cs.rice.edu. 169.7.42.128.in-addr.arpa domain name pointer dhcp-7-169.cs.rice.edu. 170.7.42.128.in-addr.arpa domain name pointer dhcp-7-170.cs.rice.edu. 171.7.42.128.in-addr.arpa domain name pointer dhcp-7-171.cs.rice.edu. 172.7.42.128.in-addr.arpa domain name pointer dhcp-7-172.cs.rice.edu. 173.7.42.128.in-addr.arpa domain name pointer dhcp-7-173.cs.rice.edu. 174.7.42.128.in-addr.arpa domain name pointer dhcp-7-174.cs.rice.edu. 175.7.42.128.in-addr.arpa domain name pointer dhcp-7-175.cs.rice.edu. 176.7.42.128.in-addr.arpa domain name pointer dhcp-7-176.cs.rice.edu. 177.7.42.128.in-addr.arpa domain name pointer dhcp-7-177.cs.rice.edu. 178.7.42.128.in-addr.arpa domain name pointer dhcp-7-178.cs.rice.edu. 179.7.42.128.in-addr.arpa domain name pointer dhcp-7-179.cs.rice.edu. 180.7.42.128.in-addr.arpa domain name pointer dhcp-7-180.cs.rice.edu. 181.7.42.128.in-addr.arpa domain name pointer dhcp-7-181.cs.rice.edu. 182.7.42.128.in-addr.arpa domain name pointer dhcp-7-182.cs.rice.edu. 183.7.42.128.in-addr.arpa domain name pointer dhcp-7-183.cs.rice.edu. 184.7.42.128.in-addr.arpa domain name pointer dhcp-7-184.cs.rice.edu. 185.7.42.128.in-addr.arpa domain name pointer dhcp-7-185.cs.rice.edu. 186.7.42.128.in-addr.arpa domain name pointer dhcp-7-186.cs.rice.edu. 187.7.42.128.in-addr.arpa domain name pointer dhcp-7-187.cs.rice.edu. 188.7.42.128.in-addr.arpa domain name pointer dhcp-7-188.cs.rice.edu. 189.7.42.128.in-addr.arpa domain name pointer dhcp-7-189.cs.rice.edu. 190.7.42.128.in-addr.arpa domain name pointer dhcp-7-190.cs.rice.edu. 191.7.42.128.in-addr.arpa domain name pointer dhcp-7-191.cs.rice.edu. 192.7.42.128.in-addr.arpa domain name pointer dhcp-7-192.cs.rice.edu. 193.7.42.128.in-addr.arpa domain name pointer dhcp-7-193.cs.rice.edu. 194.7.42.128.in-addr.arpa domain name pointer dhcp-7-194.cs.rice.edu. 195.7.42.128.in-addr.arpa domain name pointer dhcp-7-195.cs.rice.edu. 196.7.42.128.in-addr.arpa domain name pointer dhcp-7-196.cs.rice.edu. 197.7.42.128.in-addr.arpa domain name pointer dhcp-7-197.cs.rice.edu. 198.7.42.128.in-addr.arpa domain name pointer dhcp-7-198.cs.rice.edu. 199.7.42.128.in-addr.arpa domain name pointer dhcp-7-199.cs.rice.edu. 200.7.42.128.in-addr.arpa domain name pointer dhcp-7-200.cs.rice.edu. 201.7.42.128.in-addr.arpa domain name pointer dhcp-7-201.cs.rice.edu. 202.7.42.128.in-addr.arpa domain name pointer dhcp-7-202.cs.rice.edu. 203.7.42.128.in-addr.arpa domain name pointer dhcp-7-203.cs.rice.edu. 204.7.42.128.in-addr.arpa domain name pointer dhcp-7-204.cs.rice.edu. 205.7.42.128.in-addr.arpa domain name pointer dhcp-7-205.cs.rice.edu. 206.7.42.128.in-addr.arpa domain name pointer dhcp-7-206.cs.rice.edu. 207.7.42.128.in-addr.arpa domain name pointer dhcp-7-207.cs.rice.edu. 208.7.42.128.in-addr.arpa domain name pointer dhcp-7-208.cs.rice.edu. 209.7.42.128.in-addr.arpa domain name pointer dhcp-7-209.cs.rice.edu. 210.7.42.128.in-addr.arpa domain name pointer dhcp-7-210.cs.rice.edu. 211.7.42.128.in-addr.arpa domain name pointer dhcp-7-211.cs.rice.edu. 212.7.42.128.in-addr.arpa domain name pointer dhcp-7-212.cs.rice.edu. 213.7.42.128.in-addr.arpa domain name pointer dhcp-7-213.cs.rice.edu. 214.7.42.128.in-addr.arpa domain name pointer dhcp-7-214.cs.rice.edu. 215.7.42.128.in-addr.arpa domain name pointer dhcp-7-215.cs.rice.edu. 216.7.42.128.in-addr.arpa domain name pointer dhcp-7-216.cs.rice.edu. 217.7.42.128.in-addr.arpa domain name pointer dhcp-7-217.cs.rice.edu. 218.7.42.128.in-addr.arpa domain name pointer dhcp-7-218.cs.rice.edu. 219.7.42.128.in-addr.arpa domain name pointer dhcp-7-219.cs.rice.edu. 220.7.42.128.in-addr.arpa domain name pointer dhcp-7-220.cs.rice.edu. 221.7.42.128.in-addr.arpa domain name pointer dhcp-7-221.cs.rice.edu. 222.7.42.128.in-addr.arpa domain name pointer dhcp-7-222.cs.rice.edu. 223.7.42.128.in-addr.arpa domain name pointer dhcp-7-223.cs.rice.edu. 224.7.42.128.in-addr.arpa domain name pointer dhcp-7-224.cs.rice.edu. 225.7.42.128.in-addr.arpa domain name pointer dhcp-7-225.cs.rice.edu. 226.7.42.128.in-addr.arpa domain name pointer dhcp-7-226.cs.rice.edu. 227.7.42.128.in-addr.arpa domain name pointer dhcp-7-227.cs.rice.edu. 228.7.42.128.in-addr.arpa domain name pointer dhcp-7-228.cs.rice.edu. 229.7.42.128.in-addr.arpa domain name pointer dhcp-7-229.cs.rice.edu. 230.7.42.128.in-addr.arpa domain name pointer dhcp-7-230.cs.rice.edu. 231.7.42.128.in-addr.arpa domain name pointer dhcp-7-231.cs.rice.edu. 232.7.42.128.in-addr.arpa domain name pointer dhcp-7-232.cs.rice.edu. 233.7.42.128.in-addr.arpa domain name pointer dhcp-7-233.cs.rice.edu. 234.7.42.128.in-addr.arpa domain name pointer dhcp-7-234.cs.rice.edu. 235.7.42.128.in-addr.arpa domain name pointer dhcp-7-235.cs.rice.edu. 236.7.42.128.in-addr.arpa domain name pointer dhcp-7-236.cs.rice.edu. 237.7.42.128.in-addr.arpa domain name pointer dhcp-7-237.cs.rice.edu. 238.7.42.128.in-addr.arpa domain name pointer dhcp-7-238.cs.rice.edu. 239.7.42.128.in-addr.arpa domain name pointer dhcp-7-239.cs.rice.edu. Host 240.7.42.128.in-addr.arpa not found: 3(NXDOMAIN) Host 241.7.42.128.in-addr.arpa not found: 3(NXDOMAIN) Host 242.7.42.128.in-addr.arpa not found: 3(NXDOMAIN) Host 243.7.42.128.in-addr.arpa not found: 3(NXDOMAIN) Host 244.7.42.128.in-addr.arpa not found: 3(NXDOMAIN) Host 245.7.42.128.in-addr.arpa not found: 3(NXDOMAIN) Host 246.7.42.128.in-addr.arpa not found: 3(NXDOMAIN) Host 247.7.42.128.in-addr.arpa not found: 3(NXDOMAIN) Host 248.7.42.128.in-addr.arpa not found: 3(NXDOMAIN) Host 249.7.42.128.in-addr.arpa not found: 3(NXDOMAIN) Host 250.7.42.128.in-addr.arpa not found: 3(NXDOMAIN) 251.7.42.128.in-addr.arpa domain name pointer dhcp-dun-7.cs.rice.edu. 252.7.42.128.in-addr.arpa domain name pointer binarytree-1-v2-d.cs.rice.edu. 253.7.42.128.in-addr.arpa domain name pointer binarytree-2-v2-d.cs.rice.edu. 254.7.42.128.in-addr.arpa domain name pointer cs7-gw.cs.rice.edu. Host 255.7.42.128.in-addr.arpa not found: 3(NXDOMAIN)