[0] 0.72.185.66.in-addr.arpa.: domain name does not exist
[86400] 1.72.185.66.in-addr.arpa. domain name pointer lgv-c3640-72.letu.edu
[86400] 2.72.185.66.in-addr.arpa. domain name pointer dhcp-72-2.letu.edu
[86400] 3.72.185.66.in-addr.arpa. domain name pointer dhcp-72-3.letu.edu
[86400] 4.72.185.66.in-addr.arpa. domain name pointer dhcp-72-4.letu.edu
[86400] 5.72.185.66.in-addr.arpa. domain name pointer dhcp-72-5.letu.edu
[86400] 6.72.185.66.in-addr.arpa. domain name pointer dhcp-72-6.letu.edu
[86400] 7.72.185.66.in-addr.arpa. domain name pointer dhcp-72-7.letu.edu
[86400] 8.72.185.66.in-addr.arpa. domain name pointer dhcp-72-8.letu.edu
[86400] 9.72.185.66.in-addr.arpa. domain name pointer dhcp-72-9.letu.edu
[86400] 10.72.185.66.in-addr.arpa. domain name pointer dhcp-72-10.letu.edu
[86400] 11.72.185.66.in-addr.arpa. domain name pointer dhcp-72-11.letu.edu
[86400] 12.72.185.66.in-addr.arpa. domain name pointer dhcp-72-12.letu.edu
[86400] 13.72.185.66.in-addr.arpa. domain name pointer dhcp-72-13.letu.edu
[86400] 14.72.185.66.in-addr.arpa. domain name pointer dhcp-72-14.letu.edu
[86400] 15.72.185.66.in-addr.arpa. domain name pointer dhcp-72-15.letu.edu
[86400] 16.72.185.66.in-addr.arpa. domain name pointer dhcp-72-16.letu.edu
[86400] 17.72.185.66.in-addr.arpa. domain name pointer dhcp-72-17.letu.edu
[86400] 18.72.185.66.in-addr.arpa. domain name pointer dhcp-72-18.letu.edu
[86400] 19.72.185.66.in-addr.arpa. domain name pointer dhcp-72-19.letu.edu
[86400] 20.72.185.66.in-addr.arpa. domain name pointer dhcp-72-20.letu.edu
[86400] 21.72.185.66.in-addr.arpa. domain name pointer dhcp-72-21.letu.edu
[86400] 22.72.185.66.in-addr.arpa. domain name pointer dhcp-72-22.letu.edu
[86400] 23.72.185.66.in-addr.arpa. domain name pointer dhcp-72-23.letu.edu
[86400] 24.72.185.66.in-addr.arpa. domain name pointer dhcp-72-24.letu.edu
[86400] 25.72.185.66.in-addr.arpa. domain name pointer dhcp-72-25.letu.edu
[86400] 26.72.185.66.in-addr.arpa. domain name pointer dhcp-72-26.letu.edu
[86400] 27.72.185.66.in-addr.arpa. domain name pointer dhcp-72-27.letu.edu
[86400] 28.72.185.66.in-addr.arpa. domain name pointer dhcp-72-28.letu.edu
[86400] 29.72.185.66.in-addr.arpa. domain name pointer dhcp-72-29.letu.edu
[86400] 30.72.185.66.in-addr.arpa. domain name pointer dhcp-72-30.letu.edu
[86400] 31.72.185.66.in-addr.arpa. domain name pointer dhcp-72-31.letu.edu
[86400] 32.72.185.66.in-addr.arpa. domain name pointer dhcp-72-32.letu.edu
[86400] 33.72.185.66.in-addr.arpa. domain name pointer dhcp-72-33.letu.edu
[86400] 34.72.185.66.in-addr.arpa. domain name pointer dhcp-72-34.letu.edu
[86400] 35.72.185.66.in-addr.arpa. domain name pointer dhcp-72-35.letu.edu
[86400] 36.72.185.66.in-addr.arpa. domain name pointer dhcp-72-36.letu.edu
[86400] 37.72.185.66.in-addr.arpa. domain name pointer dhcp-72-37.letu.edu
[86400] 38.72.185.66.in-addr.arpa. domain name pointer dhcp-72-38.letu.edu
[86400] 39.72.185.66.in-addr.arpa. domain name pointer dhcp-72-39.letu.edu
[86400] 40.72.185.66.in-addr.arpa. domain name pointer dhcp-72-40.letu.edu
[86400] 41.72.185.66.in-addr.arpa. domain name pointer dhcp-72-41.letu.edu
[86400] 42.72.185.66.in-addr.arpa. domain name pointer dhcp-72-42.letu.edu
[86400] 43.72.185.66.in-addr.arpa. domain name pointer dhcp-72-43.letu.edu
[86400] 44.72.185.66.in-addr.arpa. domain name pointer dhcp-72-44.letu.edu
[86400] 45.72.185.66.in-addr.arpa. domain name pointer dhcp-72-45.letu.edu
[86400] 46.72.185.66.in-addr.arpa. domain name pointer dhcp-72-46.letu.edu
[86400] 47.72.185.66.in-addr.arpa. domain name pointer dhcp-72-47.letu.edu
[86400] 48.72.185.66.in-addr.arpa. domain name pointer dhcp-72-48.letu.edu
[86400] 49.72.185.66.in-addr.arpa. domain name pointer dhcp-72-49.letu.edu
[86400] 50.72.185.66.in-addr.arpa. domain name pointer dhcp-72-50.letu.edu
[86400] 51.72.185.66.in-addr.arpa. domain name pointer dhcp-72-51.letu.edu
[86400] 52.72.185.66.in-addr.arpa. domain name pointer dhcp-72-52.letu.edu
[86400] 53.72.185.66.in-addr.arpa. domain name pointer dhcp-72-53.letu.edu
[86400] 54.72.185.66.in-addr.arpa. domain name pointer dhcp-72-54.letu.edu
[86400] 55.72.185.66.in-addr.arpa. domain name pointer dhcp-72-55.letu.edu
[86400] 56.72.185.66.in-addr.arpa. domain name pointer dhcp-72-56.letu.edu
[86400] 57.72.185.66.in-addr.arpa. domain name pointer dhcp-72-57.letu.edu
[86400] 58.72.185.66.in-addr.arpa. domain name pointer dhcp-72-58.letu.edu
[86400] 59.72.185.66.in-addr.arpa. domain name pointer dhcp-72-59.letu.edu
[86400] 60.72.185.66.in-addr.arpa. domain name pointer dhcp-72-60.letu.edu
[86400] 61.72.185.66.in-addr.arpa. domain name pointer dhcp-72-61.letu.edu
[86400] 62.72.185.66.in-addr.arpa. domain name pointer dhcp-72-62.letu.edu
[86400] 63.72.185.66.in-addr.arpa. domain name pointer dhcp-72-63.letu.edu
[86400] 64.72.185.66.in-addr.arpa. domain name pointer dhcp-72-64.letu.edu
[86400] 65.72.185.66.in-addr.arpa. domain name pointer dhcp-72-65.letu.edu
[86400] 66.72.185.66.in-addr.arpa. domain name pointer dhcp-72-66.letu.edu
[86400] 67.72.185.66.in-addr.arpa. domain name pointer dhcp-72-67.letu.edu
[86400] 68.72.185.66.in-addr.arpa. domain name pointer dhcp-72-68.letu.edu
[86400] 69.72.185.66.in-addr.arpa. domain name pointer dhcp-72-69.letu.edu
[86400] 70.72.185.66.in-addr.arpa. domain name pointer dhcp-72-70.letu.edu
[86400] 71.72.185.66.in-addr.arpa. domain name pointer dhcp-72-71.letu.edu
[86400] 72.72.185.66.in-addr.arpa. domain name pointer dhcp-72-72.letu.edu
[86400] 73.72.185.66.in-addr.arpa. domain name pointer dhcp-72-73.letu.edu
[86400] 74.72.185.66.in-addr.arpa. domain name pointer dhcp-72-74.letu.edu
[86400] 75.72.185.66.in-addr.arpa. domain name pointer dhcp-72-75.letu.edu
[86400] 76.72.185.66.in-addr.arpa. domain name pointer dhcp-72-76.letu.edu
[86400] 77.72.185.66.in-addr.arpa. domain name pointer dhcp-72-77.letu.edu
[86400] 78.72.185.66.in-addr.arpa. domain name pointer dhcp-72-78.letu.edu
[86400] 79.72.185.66.in-addr.arpa. domain name pointer dhcp-72-79.letu.edu
[86400] 80.72.185.66.in-addr.arpa. domain name pointer dhcp-72-80.letu.edu
[86400] 81.72.185.66.in-addr.arpa. domain name pointer dhcp-72-81.letu.edu
[86400] 82.72.185.66.in-addr.arpa. domain name pointer dhcp-72-82.letu.edu
[86400] 83.72.185.66.in-addr.arpa. domain name pointer dhcp-72-83.letu.edu
[86400] 84.72.185.66.in-addr.arpa. domain name pointer dhcp-72-84.letu.edu
[86400] 85.72.185.66.in-addr.arpa. domain name pointer dhcp-72-85.letu.edu
[86400] 86.72.185.66.in-addr.arpa. domain name pointer dhcp-72-86.letu.edu
[86400] 87.72.185.66.in-addr.arpa. domain name pointer dhcp-72-87.letu.edu
[86400] 88.72.185.66.in-addr.arpa. domain name pointer dhcp-72-88.letu.edu
[86400] 89.72.185.66.in-addr.arpa. domain name pointer dhcp-72-89.letu.edu
[86400] 90.72.185.66.in-addr.arpa. domain name pointer dhcp-72-90.letu.edu
[86400] 91.72.185.66.in-addr.arpa. domain name pointer dhcp-72-91.letu.edu
[86400] 92.72.185.66.in-addr.arpa. domain name pointer dhcp-72-92.letu.edu
[86400] 93.72.185.66.in-addr.arpa. domain name pointer dhcp-72-93.letu.edu
[86400] 94.72.185.66.in-addr.arpa. domain name pointer dhcp-72-94.letu.edu
[86400] 95.72.185.66.in-addr.arpa. domain name pointer dhcp-72-95.letu.edu
[86400] 96.72.185.66.in-addr.arpa. domain name pointer dhcp-72-96.letu.edu
[86400] 97.72.185.66.in-addr.arpa. domain name pointer dhcp-72-97.letu.edu
[86400] 98.72.185.66.in-addr.arpa. domain name pointer dhcp-72-98.letu.edu
[86400] 99.72.185.66.in-addr.arpa. domain name pointer dhcp-72-99.letu.edu
[86400] 100.72.185.66.in-addr.arpa. domain name pointer dhcp-72-100.letu.edu
[86400] 101.72.185.66.in-addr.arpa. domain name pointer dhcp-72-101.letu.edu
[86400] 102.72.185.66.in-addr.arpa. domain name pointer dhcp-72-102.letu.edu
[86400] 103.72.185.66.in-addr.arpa. domain name pointer dhcp-72-103.letu.edu
[86400] 104.72.185.66.in-addr.arpa. domain name pointer dhcp-72-104.letu.edu
[86400] 105.72.185.66.in-addr.arpa. domain name pointer dhcp-72-105.letu.edu
[86400] 106.72.185.66.in-addr.arpa. domain name pointer dhcp-72-106.letu.edu
[86400] 107.72.185.66.in-addr.arpa. domain name pointer dhcp-72-107.letu.edu
[86400] 108.72.185.66.in-addr.arpa. domain name pointer dhcp-72-108.letu.edu
[86400] 109.72.185.66.in-addr.arpa. domain name pointer dhcp-72-109.letu.edu
[86400] 110.72.185.66.in-addr.arpa. domain name pointer dhcp-72-110.letu.edu
[86400] 111.72.185.66.in-addr.arpa. domain name pointer dhcp-72-111.letu.edu
[86400] 112.72.185.66.in-addr.arpa. domain name pointer dhcp-72-112.letu.edu
[86400] 113.72.185.66.in-addr.arpa. domain name pointer dhcp-72-113.letu.edu
[86400] 114.72.185.66.in-addr.arpa. domain name pointer dhcp-72-114.letu.edu
[86400] 115.72.185.66.in-addr.arpa. domain name pointer dhcp-72-115.letu.edu
[86400] 116.72.185.66.in-addr.arpa. domain name pointer dhcp-72-116.letu.edu
[86400] 117.72.185.66.in-addr.arpa. domain name pointer dhcp-72-117.letu.edu
[86400] 118.72.185.66.in-addr.arpa. domain name pointer dhcp-72-118.letu.edu
[86400] 119.72.185.66.in-addr.arpa. domain name pointer dhcp-72-119.letu.edu
[86400] 120.72.185.66.in-addr.arpa. domain name pointer dhcp-72-120.letu.edu
[86400] 121.72.185.66.in-addr.arpa. domain name pointer dhcp-72-121.letu.edu
[86400] 122.72.185.66.in-addr.arpa. domain name pointer dhcp-72-122.letu.edu
[86400] 123.72.185.66.in-addr.arpa. domain name pointer dhcp-72-123.letu.edu
[86400] 124.72.185.66.in-addr.arpa. domain name pointer dhcp-72-124.letu.edu
[86400] 125.72.185.66.in-addr.arpa. domain name pointer dhcp-72-125.letu.edu
[86400] 126.72.185.66.in-addr.arpa. domain name pointer dhcp-72-126.letu.edu
[86400] 127.72.185.66.in-addr.arpa. domain name pointer dhcp-72-127.letu.edu
[86400] 128.72.185.66.in-addr.arpa. domain name pointer dhcp-72-128.letu.edu
[86400] 129.72.185.66.in-addr.arpa. domain name pointer dhcp-72-129.letu.edu
[86400] 130.72.185.66.in-addr.arpa. domain name pointer dhcp-72-130.letu.edu
[86400] 131.72.185.66.in-addr.arpa. domain name pointer dhcp-72-131.letu.edu
[86400] 132.72.185.66.in-addr.arpa. domain name pointer dhcp-72-132.letu.edu
[86400] 133.72.185.66.in-addr.arpa. domain name pointer dhcp-72-133.letu.edu
[86400] 134.72.185.66.in-addr.arpa. domain name pointer dhcp-72-134.letu.edu
[86400] 135.72.185.66.in-addr.arpa. domain name pointer dhcp-72-135.letu.edu
[86400] 136.72.185.66.in-addr.arpa. domain name pointer dhcp-72-136.letu.edu
[86400] 137.72.185.66.in-addr.arpa. domain name pointer dhcp-72-137.letu.edu
[86400] 138.72.185.66.in-addr.arpa. domain name pointer dhcp-72-138.letu.edu
[86400] 139.72.185.66.in-addr.arpa. domain name pointer dhcp-72-139.letu.edu
[86400] 140.72.185.66.in-addr.arpa. domain name pointer dhcp-72-140.letu.edu
[86400] 141.72.185.66.in-addr.arpa. domain name pointer dhcp-72-141.letu.edu
[86400] 142.72.185.66.in-addr.arpa. domain name pointer dhcp-72-142.letu.edu
[86400] 143.72.185.66.in-addr.arpa. domain name pointer dhcp-72-143.letu.edu
[86400] 144.72.185.66.in-addr.arpa. domain name pointer dhcp-72-144.letu.edu
[86400] 145.72.185.66.in-addr.arpa. domain name pointer dhcp-72-145.letu.edu
[86400] 146.72.185.66.in-addr.arpa. domain name pointer dhcp-72-146.letu.edu
[86400] 147.72.185.66.in-addr.arpa. domain name pointer dhcp-72-147.letu.edu
[86400] 148.72.185.66.in-addr.arpa. domain name pointer dhcp-72-148.letu.edu
[86400] 149.72.185.66.in-addr.arpa. domain name pointer dhcp-72-149.letu.edu
[86400] 150.72.185.66.in-addr.arpa. domain name pointer dhcp-72-150.letu.edu
[86400] 151.72.185.66.in-addr.arpa. domain name pointer dhcp-72-151.letu.edu
[86400] 152.72.185.66.in-addr.arpa. domain name pointer dhcp-72-152.letu.edu
[86400] 153.72.185.66.in-addr.arpa. domain name pointer dhcp-72-153.letu.edu
[86400] 154.72.185.66.in-addr.arpa. domain name pointer dhcp-72-154.letu.edu
[86400] 155.72.185.66.in-addr.arpa. domain name pointer dhcp-72-155.letu.edu
[86400] 156.72.185.66.in-addr.arpa. domain name pointer dhcp-72-156.letu.edu
[86400] 157.72.185.66.in-addr.arpa. domain name pointer dhcp-72-157.letu.edu
[86400] 158.72.185.66.in-addr.arpa. domain name pointer dhcp-72-158.letu.edu
[86400] 159.72.185.66.in-addr.arpa. domain name pointer dhcp-72-159.letu.edu
[86400] 160.72.185.66.in-addr.arpa. domain name pointer dhcp-72-160.letu.edu
[86400] 161.72.185.66.in-addr.arpa. domain name pointer dhcp-72-161.letu.edu
[86400] 162.72.185.66.in-addr.arpa. domain name pointer dhcp-72-162.letu.edu
[86400] 163.72.185.66.in-addr.arpa. domain name pointer dhcp-72-163.letu.edu
[86400] 164.72.185.66.in-addr.arpa. domain name pointer dhcp-72-164.letu.edu
[86400] 165.72.185.66.in-addr.arpa. domain name pointer dhcp-72-165.letu.edu
[86400] 166.72.185.66.in-addr.arpa. domain name pointer dhcp-72-166.letu.edu
[86400] 167.72.185.66.in-addr.arpa. domain name pointer dhcp-72-167.letu.edu
[86400] 168.72.185.66.in-addr.arpa. domain name pointer dhcp-72-168.letu.edu
[86400] 169.72.185.66.in-addr.arpa. domain name pointer dhcp-72-169.letu.edu
[86400] 170.72.185.66.in-addr.arpa. domain name pointer dhcp-72-170.letu.edu
[86400] 171.72.185.66.in-addr.arpa. domain name pointer dhcp-72-171.letu.edu
[86400] 172.72.185.66.in-addr.arpa. domain name pointer dhcp-72-172.letu.edu
[86400] 173.72.185.66.in-addr.arpa. domain name pointer dhcp-72-173.letu.edu
[86400] 174.72.185.66.in-addr.arpa. domain name pointer dhcp-72-174.letu.edu
[86400] 175.72.185.66.in-addr.arpa. domain name pointer dhcp-72-175.letu.edu
[86400] 176.72.185.66.in-addr.arpa. domain name pointer dhcp-72-176.letu.edu
[86400] 177.72.185.66.in-addr.arpa. domain name pointer dhcp-72-177.letu.edu
[86400] 178.72.185.66.in-addr.arpa. domain name pointer dhcp-72-178.letu.edu
[86400] 179.72.185.66.in-addr.arpa. domain name pointer dhcp-72-179.letu.edu
[86400] 180.72.185.66.in-addr.arpa. domain name pointer dhcp-72-180.letu.edu
[86400] 181.72.185.66.in-addr.arpa. domain name pointer dhcp-72-181.letu.edu
[86400] 182.72.185.66.in-addr.arpa. domain name pointer dhcp-72-182.letu.edu
[86400] 183.72.185.66.in-addr.arpa. domain name pointer dhcp-72-183.letu.edu
[86400] 184.72.185.66.in-addr.arpa. domain name pointer dhcp-72-184.letu.edu
[86400] 185.72.185.66.in-addr.arpa. domain name pointer dhcp-72-185.letu.edu
[86400] 186.72.185.66.in-addr.arpa. domain name pointer dhcp-72-186.letu.edu
[86400] 187.72.185.66.in-addr.arpa. domain name pointer dhcp-72-187.letu.edu
[86400] 188.72.185.66.in-addr.arpa. domain name pointer dhcp-72-188.letu.edu
[86400] 189.72.185.66.in-addr.arpa. domain name pointer dhcp-72-189.letu.edu
[86400] 190.72.185.66.in-addr.arpa. domain name pointer dhcp-72-190.letu.edu
[86400] 191.72.185.66.in-addr.arpa. domain name pointer dhcp-72-191.letu.edu
[86400] 192.72.185.66.in-addr.arpa. domain name pointer dhcp-72-192.letu.edu
[86400] 193.72.185.66.in-addr.arpa. domain name pointer dhcp-72-193.letu.edu
[86400] 194.72.185.66.in-addr.arpa. domain name pointer dhcp-72-194.letu.edu
[86400] 195.72.185.66.in-addr.arpa. domain name pointer dhcp-72-195.letu.edu
[86400] 196.72.185.66.in-addr.arpa. domain name pointer dhcp-72-196.letu.edu
[86400] 197.72.185.66.in-addr.arpa. domain name pointer dhcp-72-197.letu.edu
[86400] 198.72.185.66.in-addr.arpa. domain name pointer dhcp-72-198.letu.edu
[86400] 199.72.185.66.in-addr.arpa. domain name pointer dhcp-72-199.letu.edu
[86400] 200.72.185.66.in-addr.arpa. domain name pointer dhcp-72-200.letu.edu
[86400] 201.72.185.66.in-addr.arpa. domain name pointer dhcp-72-201.letu.edu
[86400] 202.72.185.66.in-addr.arpa. domain name pointer dhcp-72-202.letu.edu
[86400] 203.72.185.66.in-addr.arpa. domain name pointer dhcp-72-203.letu.edu
[86400] 204.72.185.66.in-addr.arpa. domain name pointer dhcp-72-204.letu.edu
[86400] 205.72.185.66.in-addr.arpa. domain name pointer dhcp-72-205.letu.edu
[86400] 206.72.185.66.in-addr.arpa. domain name pointer dhcp-72-206.letu.edu
[86400] 207.72.185.66.in-addr.arpa. domain name pointer dhcp-72-207.letu.edu
[86400] 208.72.185.66.in-addr.arpa. domain name pointer dhcp-72-208.letu.edu
[86400] 209.72.185.66.in-addr.arpa. domain name pointer dhcp-72-209.letu.edu
[86400] 210.72.185.66.in-addr.arpa. domain name pointer dhcp-72-210.letu.edu
[86400] 211.72.185.66.in-addr.arpa. domain name pointer dhcp-72-211.letu.edu
[86400] 212.72.185.66.in-addr.arpa. domain name pointer dhcp-72-212.letu.edu
[86400] 213.72.185.66.in-addr.arpa. domain name pointer dhcp-72-213.letu.edu
[86400] 214.72.185.66.in-addr.arpa. domain name pointer dhcp-72-214.letu.edu
[86400] 215.72.185.66.in-addr.arpa. domain name pointer dhcp-72-215.letu.edu
[86400] 216.72.185.66.in-addr.arpa. domain name pointer dhcp-72-216.letu.edu
[86400] 217.72.185.66.in-addr.arpa. domain name pointer dhcp-72-217.letu.edu
[86400] 218.72.185.66.in-addr.arpa. domain name pointer dhcp-72-218.letu.edu
[86400] 219.72.185.66.in-addr.arpa. domain name pointer dhcp-72-219.letu.edu
[86400] 220.72.185.66.in-addr.arpa. domain name pointer dhcp-72-220.letu.edu
[86400] 221.72.185.66.in-addr.arpa. domain name pointer dhcp-72-221.letu.edu
[86400] 222.72.185.66.in-addr.arpa. domain name pointer dhcp-72-222.letu.edu
[86400] 223.72.185.66.in-addr.arpa. domain name pointer dhcp-72-223.letu.edu
[86400] 224.72.185.66.in-addr.arpa. domain name pointer dhcp-72-224.letu.edu
[86400] 225.72.185.66.in-addr.arpa. domain name pointer dhcp-72-225.letu.edu
[86400] 226.72.185.66.in-addr.arpa. domain name pointer dhcp-72-226.letu.edu
[86400] 227.72.185.66.in-addr.arpa. domain name pointer dhcp-72-227.letu.edu
[86400] 228.72.185.66.in-addr.arpa. domain name pointer dhcp-72-228.letu.edu
[86400] 229.72.185.66.in-addr.arpa. domain name pointer dhcp-72-229.letu.edu
[86400] 230.72.185.66.in-addr.arpa. domain name pointer dhcp-72-230.letu.edu
[86400] 231.72.185.66.in-addr.arpa. domain name pointer dhcp-72-231.letu.edu
[86400] 232.72.185.66.in-addr.arpa. domain name pointer dhcp-72-232.letu.edu
[86400] 233.72.185.66.in-addr.arpa. domain name pointer dhcp-72-233.letu.edu
[86400] 234.72.185.66.in-addr.arpa. domain name pointer dhcp-72-234.letu.edu
[86400] 235.72.185.66.in-addr.arpa. domain name pointer dhcp-72-235.letu.edu
[86400] 236.72.185.66.in-addr.arpa. domain name pointer dhcp-72-236.letu.edu
[86400] 237.72.185.66.in-addr.arpa. domain name pointer dhcp-72-237.letu.edu
[86400] 238.72.185.66.in-addr.arpa. domain name pointer dhcp-72-238.letu.edu
[86400] 239.72.185.66.in-addr.arpa. domain name pointer dhcp-72-239.letu.edu
[86400] 240.72.185.66.in-addr.arpa. domain name pointer dhcp-72-240.letu.edu
[86400] 241.72.185.66.in-addr.arpa. domain name pointer dhcp-72-241.letu.edu
[86400] 242.72.185.66.in-addr.arpa. domain name pointer dhcp-72-242.letu.edu
[86400] 243.72.185.66.in-addr.arpa. domain name pointer dhcp-72-243.letu.edu
[86400] 244.72.185.66.in-addr.arpa. domain name pointer dhcp-72-244.letu.edu
[86400] 245.72.185.66.in-addr.arpa. domain name pointer dhcp-72-245.letu.edu
[86400] 246.72.185.66.in-addr.arpa. domain name pointer dhcp-72-246.letu.edu
[86400] 247.72.185.66.in-addr.arpa. domain name pointer dhcp-72-247.letu.edu
[86400] 248.72.185.66.in-addr.arpa. domain name pointer dhcp-72-248.letu.edu
[86400] 249.72.185.66.in-addr.arpa. domain name pointer dhcp-72-249.letu.edu
[86400] 250.72.185.66.in-addr.arpa. domain name pointer dhcp-72-250.letu.edu
[86400] 251.72.185.66.in-addr.arpa. domain name pointer dhcp-72-251.letu.edu
[86400] 252.72.185.66.in-addr.arpa. domain name pointer dhcp-72-252.letu.edu
[86400] 253.72.185.66.in-addr.arpa. domain name pointer dhcp-72-253.letu.edu
[86400] 254.72.185.66.in-addr.arpa. domain name pointer dhcp-72-254.letu.edu
[0] 255.72.185.66.in-addr.arpa.: domain name does not exist