[0] 0.21.76.200.in-addr.arpa.: domain name does not exist
[172800] 1.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-1.block.alestra.net.mx
[172800] 2.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-2.block.alestra.net.mx
[172800] 3.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-3.block.alestra.net.mx
[172800] 4.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-4.block.alestra.net.mx
[172800] 5.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-5.block.alestra.net.mx
[172800] 6.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-6.block.alestra.net.mx
[172800] 7.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-7.block.alestra.net.mx
[172800] 8.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-8.block.alestra.net.mx
[172800] 9.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-9.block.alestra.net.mx
[172800] 10.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-10.block.alestra.net.mx
[172800] 11.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-11.block.alestra.net.mx
[172800] 12.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-12.block.alestra.net.mx
[172800] 13.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-13.block.alestra.net.mx
[172800] 14.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-14.block.alestra.net.mx
[172800] 15.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-15.block.alestra.net.mx
[172800] 16.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-16.block.alestra.net.mx
[172800] 17.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-17.block.alestra.net.mx
[172800] 18.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-18.block.alestra.net.mx
[172800] 19.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-19.block.alestra.net.mx
[172800] 20.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-20.block.alestra.net.mx
[172800] 21.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-21.block.alestra.net.mx
[172800] 22.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-22.block.alestra.net.mx
[172800] 23.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-23.block.alestra.net.mx
[172800] 24.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-24.block.alestra.net.mx
[172800] 25.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-25.block.alestra.net.mx
[172800] 26.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-26.block.alestra.net.mx
[172800] 27.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-27.block.alestra.net.mx
[172800] 28.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-28.block.alestra.net.mx
[172800] 29.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-29.block.alestra.net.mx
[172800] 30.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-30.block.alestra.net.mx
[172800] 31.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-31.block.alestra.net.mx
[172800] 32.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-32.block.alestra.net.mx
[172800] 33.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-33.block.alestra.net.mx
[172800] 34.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-34.block.alestra.net.mx
[172800] 35.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-35.block.alestra.net.mx
[172800] 36.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-36.block.alestra.net.mx
[172800] 37.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-37.block.alestra.net.mx
[172800] 38.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-38.block.alestra.net.mx
[172800] 39.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-39.block.alestra.net.mx
[172800] 40.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-40.block.alestra.net.mx
[172800] 41.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-41.block.alestra.net.mx
[172800] 42.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-42.block.alestra.net.mx
[172800] 43.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-43.block.alestra.net.mx
[172800] 44.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-44.block.alestra.net.mx
[172800] 45.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-45.block.alestra.net.mx
[172800] 46.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-46.block.alestra.net.mx
[172800] 47.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-47.block.alestra.net.mx
[172800] 48.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-48.block.alestra.net.mx
[172800] 49.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-49.block.alestra.net.mx
[172800] 50.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-50.block.alestra.net.mx
[172800] 51.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-51.block.alestra.net.mx
[172800] 52.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-52.block.alestra.net.mx
[172800] 53.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-53.block.alestra.net.mx
[172800] 54.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-54.block.alestra.net.mx
[172800] 55.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-55.block.alestra.net.mx
[172800] 56.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-56.block.alestra.net.mx
[172800] 57.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-57.block.alestra.net.mx
[172800] 58.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-58.block.alestra.net.mx
[172800] 59.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-59.block.alestra.net.mx
[172800] 60.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-60.block.alestra.net.mx
[172800] 61.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-61.block.alestra.net.mx
[172800] 62.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-62.block.alestra.net.mx
[172800] 63.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-63.block.alestra.net.mx
[172800] 64.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-64.block.alestra.net.mx
[172800] 65.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-65.block.alestra.net.mx
[172800] 66.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-66.block.alestra.net.mx
[172800] 67.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-67.block.alestra.net.mx
[172800] 68.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-68.block.alestra.net.mx
[172800] 69.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-69.block.alestra.net.mx
[172800] 70.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-70.block.alestra.net.mx
[172800] 71.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-71.block.alestra.net.mx
[172800] 72.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-72.block.alestra.net.mx
[172800] 73.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-73.block.alestra.net.mx
[172800] 74.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-74.block.alestra.net.mx
[172800] 75.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-75.block.alestra.net.mx
[172800] 76.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-76.block.alestra.net.mx
[172800] 77.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-77.block.alestra.net.mx
[172800] 78.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-78.block.alestra.net.mx
[172800] 79.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-79.block.alestra.net.mx
[172800] 80.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-80.block.alestra.net.mx
[172800] 81.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-81.block.alestra.net.mx
[172800] 82.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-82.block.alestra.net.mx
[172800] 83.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-83.block.alestra.net.mx
[172800] 84.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-84.block.alestra.net.mx
[172800] 85.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-85.block.alestra.net.mx
[172800] 86.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-86.block.alestra.net.mx
[172800] 87.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-87.block.alestra.net.mx
[172800] 88.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-88.block.alestra.net.mx
[172800] 89.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-89.block.alestra.net.mx
[172800] 90.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-90.block.alestra.net.mx
[172800] 91.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-91.block.alestra.net.mx
[172800] 92.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-92.block.alestra.net.mx
[172800] 93.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-93.block.alestra.net.mx
[172800] 94.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-94.block.alestra.net.mx
[172800] 95.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-95.block.alestra.net.mx
[172800] 96.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-96.block.alestra.net.mx
[172800] 97.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-97.block.alestra.net.mx
[172800] 98.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-98.block.alestra.net.mx
[172800] 99.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-99.block.alestra.net.mx
[172800] 100.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-100.block.alestra.net.mx
[172800] 101.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-101.block.alestra.net.mx
[172800] 102.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-102.block.alestra.net.mx
[172800] 103.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-103.block.alestra.net.mx
[172800] 104.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-104.block.alestra.net.mx
[172800] 105.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-105.block.alestra.net.mx
[172800] 106.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-106.block.alestra.net.mx
[172800] 107.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-107.block.alestra.net.mx
[172800] 108.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-108.block.alestra.net.mx
[172800] 109.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-109.block.alestra.net.mx
[172800] 110.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-110.block.alestra.net.mx
[172800] 111.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-111.block.alestra.net.mx
[172800] 112.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-112.block.alestra.net.mx
[172800] 113.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-113.block.alestra.net.mx
[172800] 114.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-114.block.alestra.net.mx
[172800] 115.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-115.block.alestra.net.mx
[172800] 116.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-116.block.alestra.net.mx
[172800] 117.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-117.block.alestra.net.mx
[172800] 118.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-118.block.alestra.net.mx
[172800] 119.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-119.block.alestra.net.mx
[172800] 120.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-120.block.alestra.net.mx
[172800] 121.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-121.block.alestra.net.mx
[172800] 122.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-122.block.alestra.net.mx
[172800] 123.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-123.block.alestra.net.mx
[172800] 124.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-124.block.alestra.net.mx
[172800] 125.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-125.block.alestra.net.mx
[172800] 126.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-126.block.alestra.net.mx
[172800] 127.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-127.block.alestra.net.mx
[172800] 128.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-128.block.alestra.net.mx
[172800] 129.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-129.block.alestra.net.mx
[172800] 130.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-130.block.alestra.net.mx
[172800] 131.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-131.block.alestra.net.mx
[172800] 132.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-132.block.alestra.net.mx
[172800] 133.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-133.block.alestra.net.mx
[172800] 134.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-134.block.alestra.net.mx
[172800] 135.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-135.block.alestra.net.mx
[172800] 136.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-136.block.alestra.net.mx
[172800] 137.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-137.block.alestra.net.mx
[172800] 138.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-138.block.alestra.net.mx
[172800] 139.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-139.block.alestra.net.mx
[172800] 140.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-140.block.alestra.net.mx
[172800] 141.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-141.block.alestra.net.mx
[172800] 142.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-142.block.alestra.net.mx
[172800] 143.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-143.block.alestra.net.mx
[172800] 144.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-144.block.alestra.net.mx
[172800] 145.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-145.block.alestra.net.mx
[172800] 146.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-146.block.alestra.net.mx
[172800] 147.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-147.block.alestra.net.mx
[172800] 148.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-148.block.alestra.net.mx
[172800] 149.21.76.200.in-addr.arpa. domain name pointer mailgw02.sanroberto.edu.mx
[172800] 150.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-150.block.alestra.net.mx
[172800] 151.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-151.block.alestra.net.mx
[172800] 152.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-152.block.alestra.net.mx
[172800] 153.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-153.block.alestra.net.mx
[172800] 154.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-154.block.alestra.net.mx
[172800] 155.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-155.block.alestra.net.mx
[172800] 156.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-156.block.alestra.net.mx
[172800] 157.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-157.block.alestra.net.mx
[172800] 158.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-158.block.alestra.net.mx
[172800] 159.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-159.block.alestra.net.mx
[172800] 160.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-160.block.alestra.net.mx
[172800] 161.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-161.block.alestra.net.mx
[172800] 162.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-162.block.alestra.net.mx
[172800] 163.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-163.block.alestra.net.mx
[172800] 164.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-164.block.alestra.net.mx
[172800] 165.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-165.block.alestra.net.mx
[172800] 166.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-166.block.alestra.net.mx
[172800] 167.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-167.block.alestra.net.mx
[172800] 168.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-168.block.alestra.net.mx
[172800] 169.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-169.block.alestra.net.mx
[172800] 170.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-170.block.alestra.net.mx
[172800] 171.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-171.block.alestra.net.mx
[172800] 172.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-172.block.alestra.net.mx
[172800] 173.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-173.block.alestra.net.mx
[172800] 174.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-174.block.alestra.net.mx
[172800] 175.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-175.block.alestra.net.mx
[172800] 176.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-176.block.alestra.net.mx
[172800] 177.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-177.block.alestra.net.mx
[172800] 178.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-178.block.alestra.net.mx
[172800] 179.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-179.block.alestra.net.mx
[172800] 180.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-180.block.alestra.net.mx
[172800] 181.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-181.block.alestra.net.mx
[172800] 182.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-182.block.alestra.net.mx
[172800] 183.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-183.block.alestra.net.mx
[172800] 184.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-184.block.alestra.net.mx
[172800] 185.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-185.block.alestra.net.mx
[172800] 186.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-186.block.alestra.net.mx
[172800] 187.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-187.block.alestra.net.mx
[172800] 188.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-188.block.alestra.net.mx
[172800] 189.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-189.block.alestra.net.mx
[172800] 190.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-190.block.alestra.net.mx
[172800] 191.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-191.block.alestra.net.mx
[172800] 192.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-192.block.alestra.net.mx
[172800] 193.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-193.block.alestra.net.mx
[172800] 194.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-194.block.alestra.net.mx
[172800] 195.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-195.block.alestra.net.mx
[172800] 196.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-196.block.alestra.net.mx
[172800] 197.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-197.block.alestra.net.mx
[172800] 198.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-198.block.alestra.net.mx
[172800] 199.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-199.block.alestra.net.mx
[172800] 200.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-200.block.alestra.net.mx
[172800] 201.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-201.block.alestra.net.mx
[172800] 202.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-202.block.alestra.net.mx
[172800] 203.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-203.block.alestra.net.mx
[172800] 204.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-204.block.alestra.net.mx
[172800] 205.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-205.block.alestra.net.mx
[172800] 206.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-206.block.alestra.net.mx
[172800] 207.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-207.block.alestra.net.mx
[172800] 208.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-208.block.alestra.net.mx
[172800] 209.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-209.block.alestra.net.mx
[172800] 210.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-210.block.alestra.net.mx
[172800] 211.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-211.block.alestra.net.mx
[172800] 212.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-212.block.alestra.net.mx
[172800] 213.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-213.block.alestra.net.mx
[172800] 214.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-214.block.alestra.net.mx
[172800] 215.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-215.block.alestra.net.mx
[172800] 216.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-216.block.alestra.net.mx
[172800] 217.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-217.block.alestra.net.mx
[172800] 218.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-218.block.alestra.net.mx
[172800] 219.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-219.block.alestra.net.mx
[172800] 220.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-220.block.alestra.net.mx
[172800] 221.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-221.block.alestra.net.mx
[172800] 222.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-222.block.alestra.net.mx
[172800] 223.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-223.block.alestra.net.mx
[172800] 224.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-224.block.alestra.net.mx
[172800] 225.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-225.block.alestra.net.mx
[172800] 226.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-226.block.alestra.net.mx
[172800] 227.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-227.block.alestra.net.mx
[172800] 228.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-228.block.alestra.net.mx
[172800] 229.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-229.block.alestra.net.mx
[172800] 230.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-230.block.alestra.net.mx
[172800] 231.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-231.block.alestra.net.mx
[172800] 232.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-232.block.alestra.net.mx
[172800] 233.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-233.block.alestra.net.mx
[172800] 234.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-234.block.alestra.net.mx
[172800] 235.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-235.block.alestra.net.mx
[172800] 236.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-236.block.alestra.net.mx
[172800] 237.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-237.block.alestra.net.mx
[172800] 238.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-238.block.alestra.net.mx
[172800] 239.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-239.block.alestra.net.mx
[172800] 240.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-240.block.alestra.net.mx
[172800] 241.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-241.block.alestra.net.mx
[172800] 242.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-242.block.alestra.net.mx
[172800] 243.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-243.block.alestra.net.mx
[172800] 244.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-244.block.alestra.net.mx
[172800] 245.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-245.block.alestra.net.mx
[172800] 246.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-246.block.alestra.net.mx
[172800] 247.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-247.block.alestra.net.mx
[172800] 248.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-248.block.alestra.net.mx
[172800] 249.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-249.block.alestra.net.mx
[172800] 250.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-250.block.alestra.net.mx
[172800] 251.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-251.block.alestra.net.mx
[172800] 252.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-252.block.alestra.net.mx
[172800] 253.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-253.block.alestra.net.mx
[172800] 254.21.76.200.in-addr.arpa. domain name pointer host-200-76-21-254.block.alestra.net.mx
[0] 255.21.76.200.in-addr.arpa.: domain name does not exist