[0] 0.2.50.209.in-addr.arpa.: domain name does not exist
[86400] 1.2.50.209.in-addr.arpa. domain name pointer e01.r01.val.inebraska.com
[86400] 2.2.50.209.in-addr.arpa. domain name pointer s01.val.inebraska.net
[86400] 3.2.50.209.in-addr.arpa. domain name pointer p01.val.inebraska.net
[86400] 4.2.50.209.in-addr.arpa. domain name pointer val-hs1.inetnebr.com
[86400] 5.2.50.209.in-addr.arpa. domain name pointer val-hs2.inetnebr.com
[0] 6.2.50.209.in-addr.arpa.: domain name does not exist
[0] 7.2.50.209.in-addr.arpa.: domain name does not exist
[0] 8.2.50.209.in-addr.arpa.: domain name does not exist
[0] 9.2.50.209.in-addr.arpa.: domain name does not exist
[86400] 10.2.50.209.in-addr.arpa. domain name pointer val-wireless.inebraska.net
[0] 11.2.50.209.in-addr.arpa.: domain name does not exist
[86400] 12.2.50.209.in-addr.arpa. domain name pointer vos-209-50-2-12.val.inebraska.com
[86400] 13.2.50.209.in-addr.arpa. domain name pointer vos-209-50-2-13.val.inebraska.com
[86400] 14.2.50.209.in-addr.arpa. domain name pointer vos-209-50-2-14.val.inebraska.com
[86400] 15.2.50.209.in-addr.arpa. domain name pointer vos-209-50-2-15.val.inebraska.com
[86400] 16.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-16.val.inebraska.com
[86400] 17.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-17.val.inebraska.com
[86400] 18.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-18.val.inebraska.com
[86400] 19.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-19.val.inebraska.com
[86400] 20.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-20.val.inebraska.com
[86400] 21.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-21.val.inebraska.com
[86400] 22.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-22.val.inebraska.com
[86400] 23.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-23.val.inebraska.com
[86400] 24.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-24.val.inebraska.com
[86400] 25.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-25.val.inebraska.com
[86400] 26.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-26.val.inebraska.com
[86400] 27.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-27.val.inebraska.com
[86400] 28.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-28.val.inebraska.com
[86400] 29.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-29.val.inebraska.com
[86400] 30.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-30.val.inebraska.com
[86400] 31.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-31.val.inebraska.com
[86400] 32.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-32.val.inebraska.com
[86400] 33.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-33.val.inebraska.com
[86400] 34.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-34.val.inebraska.com
[86400] 35.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-35.val.inebraska.com
[86400] 36.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-36.val.inebraska.com
[86400] 37.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-37.val.inebraska.com
[86400] 38.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-38.val.inebraska.com
[86400] 39.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-39.val.inebraska.com
[86400] 40.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-40.val.inebraska.com
[86400] 41.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-41.val.inebraska.com
[86400] 42.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-42.val.inebraska.com
[86400] 43.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-43.val.inebraska.com
[86400] 44.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-44.val.inebraska.com
[86400] 45.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-45.val.inebraska.com
[86400] 46.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-46.val.inebraska.com
[86400] 47.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-47.val.inebraska.com
[86400] 48.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-48.val.inebraska.com
[86400] 49.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-49.val.inebraska.com
[86400] 50.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-50.val.inebraska.com
[86400] 51.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-51.val.inebraska.com
[86400] 52.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-52.val.inebraska.com
[86400] 53.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-53.val.inebraska.com
[86400] 54.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-54.val.inebraska.com
[86400] 55.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-55.val.inebraska.com
[86400] 56.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-56.val.inebraska.com
[86400] 57.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-57.val.inebraska.com
[86400] 58.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-58.val.inebraska.com
[86400] 59.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-59.val.inebraska.com
[86400] 60.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-60.val.inebraska.com
[86400] 61.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-61.val.inebraska.com
[86400] 62.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-62.val.inebraska.com
[86400] 63.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-63.val.inebraska.com
[86400] 64.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-64.val.inebraska.com
[86400] 65.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-65.val.inebraska.com
[86400] 66.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-66.val.inebraska.com
[86400] 67.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-67.val.inebraska.com
[86400] 68.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-68.val.inebraska.com
[86400] 69.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-69.val.inebraska.com
[86400] 70.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-70.val.inebraska.com
[86400] 71.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-71.val.inebraska.com
[86400] 72.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-72.val.inebraska.com
[86400] 73.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-73.val.inebraska.com
[86400] 74.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-74.val.inebraska.com
[86400] 75.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-75.val.inebraska.com
[86400] 76.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-76.val.inebraska.com
[86400] 77.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-77.val.inebraska.com
[86400] 78.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-78.val.inebraska.com
[86400] 79.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-79.val.inebraska.com
[86400] 80.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-80.val.inebraska.com
[86400] 81.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-81.val.inebraska.com
[86400] 82.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-82.val.inebraska.com
[86400] 83.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-83.val.inebraska.com
[86400] 84.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-84.val.inebraska.com
[86400] 85.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-85.val.inebraska.com
[86400] 86.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-86.val.inebraska.com
[86400] 87.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-87.val.inebraska.com
[86400] 88.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-88.val.inebraska.com
[86400] 89.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-89.val.inebraska.com
[86400] 90.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-90.val.inebraska.com
[86400] 91.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-91.val.inebraska.com
[86400] 92.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-92.val.inebraska.com
[86400] 93.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-93.val.inebraska.com
[86400] 94.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-94.val.inebraska.com
[86400] 95.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-95.val.inebraska.com
[86400] 96.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-96.val.inebraska.com
[86400] 97.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-97.val.inebraska.com
[86400] 98.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-98.val.inebraska.com
[86400] 99.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-99.val.inebraska.com
[86400] 100.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-100.val.inebraska.com
[86400] 101.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-101.val.inebraska.com
[86400] 102.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-102.val.inebraska.com
[86400] 103.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-103.val.inebraska.com
[86400] 104.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-104.val.inebraska.com
[86400] 105.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-105.val.inebraska.com
[86400] 106.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-106.val.inebraska.com
[86400] 107.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-107.val.inebraska.com
[86400] 108.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-108.val.inebraska.com
[86400] 109.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-109.val.inebraska.com
[86400] 110.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-110.val.inebraska.com
[86400] 111.2.50.209.in-addr.arpa. domain name pointer dialin-209-50-2-111.val.inebraska.com
[0] 112.2.50.209.in-addr.arpa.: domain name does not exist
[0] 113.2.50.209.in-addr.arpa.: domain name does not exist
[0] 114.2.50.209.in-addr.arpa.: domain name does not exist
[0] 115.2.50.209.in-addr.arpa.: domain name does not exist
[0] 116.2.50.209.in-addr.arpa.: domain name does not exist
[0] 117.2.50.209.in-addr.arpa.: domain name does not exist
[0] 118.2.50.209.in-addr.arpa.: domain name does not exist
[0] 119.2.50.209.in-addr.arpa.: domain name does not exist
[0] 120.2.50.209.in-addr.arpa.: domain name does not exist
[0] 121.2.50.209.in-addr.arpa.: domain name does not exist
[0] 122.2.50.209.in-addr.arpa.: domain name does not exist
[0] 123.2.50.209.in-addr.arpa.: domain name does not exist
[0] 124.2.50.209.in-addr.arpa.: domain name does not exist
[0] 125.2.50.209.in-addr.arpa.: domain name does not exist
[0] 126.2.50.209.in-addr.arpa.: domain name does not exist
[0] 127.2.50.209.in-addr.arpa.: domain name does not exist
[0] 128.2.50.209.in-addr.arpa.: domain name does not exist
[86400] 129.2.50.209.in-addr.arpa. domain name pointer e01.r01.nei.inebraska.com
[86400] 130.2.50.209.in-addr.arpa. domain name pointer nei-hs1.inetnebr.com
[0] 131.2.50.209.in-addr.arpa.: domain name does not exist
[0] 132.2.50.209.in-addr.arpa.: domain name does not exist
[0] 133.2.50.209.in-addr.arpa.: domain name does not exist
[0] 134.2.50.209.in-addr.arpa.: domain name does not exist
[0] 135.2.50.209.in-addr.arpa.: domain name does not exist
[86400] 136.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-136.nei.inebraska.com
[86400] 137.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-137.nei.inebraska.com
[86400] 138.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-138.nei.inebraska.com
[86400] 139.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-139.nei.inebraska.com
[86400] 140.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-140.nei.inebraska.com
[86400] 141.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-141.nei.inebraska.com
[86400] 142.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-142.nei.inebraska.com
[86400] 143.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-143.nei.inebraska.com
[86400] 144.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-144.nei.inebraska.com
[86400] 145.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-145.nei.inebraska.com
[86400] 146.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-146.nei.inebraska.com
[86400] 147.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-147.nei.inebraska.com
[86400] 148.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-148.nei.inebraska.com
[86400] 149.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-149.nei.inebraska.com
[86400] 150.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-150.nei.inebraska.com
[86400] 151.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-151.nei.inebraska.com
[86400] 152.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-152.nei.inebraska.com
[86400] 153.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-153.nei.inebraska.com
[86400] 154.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-154.nei.inebraska.com
[86400] 155.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-155.nei.inebraska.com
[86400] 156.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-156.nei.inebraska.com
[86400] 157.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-157.nei.inebraska.com
[86400] 158.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-158.nei.inebraska.com
[86400] 159.2.50.209.in-addr.arpa. domain name pointer dial-dynamic-209-50-2-159.nei.inebraska.com
[0] 160.2.50.209.in-addr.arpa.: domain name does not exist
[0] 161.2.50.209.in-addr.arpa.: domain name does not exist
[86400] 162.2.50.209.in-addr.arpa. domain name pointer mail.cvacoop.com
[0] 163.2.50.209.in-addr.arpa.: domain name does not exist
[0] 164.2.50.209.in-addr.arpa.: domain name does not exist
[0] 165.2.50.209.in-addr.arpa.: domain name does not exist
[0] 166.2.50.209.in-addr.arpa.: domain name does not exist
[0] 167.2.50.209.in-addr.arpa.: domain name does not exist
[0] 168.2.50.209.in-addr.arpa.: domain name does not exist
[0] 169.2.50.209.in-addr.arpa.: domain name does not exist
[0] 170.2.50.209.in-addr.arpa.: domain name does not exist
[0] 171.2.50.209.in-addr.arpa.: domain name does not exist
[0] 172.2.50.209.in-addr.arpa.: domain name does not exist
[0] 173.2.50.209.in-addr.arpa.: domain name does not exist
[0] 174.2.50.209.in-addr.arpa.: domain name does not exist
[0] 175.2.50.209.in-addr.arpa.: domain name does not exist
[0] 176.2.50.209.in-addr.arpa.: domain name does not exist
[0] 177.2.50.209.in-addr.arpa.: domain name does not exist
[0] 178.2.50.209.in-addr.arpa.: domain name does not exist
[0] 179.2.50.209.in-addr.arpa.: domain name does not exist
[0] 180.2.50.209.in-addr.arpa.: domain name does not exist
[0] 181.2.50.209.in-addr.arpa.: domain name does not exist
[0] 182.2.50.209.in-addr.arpa.: domain name does not exist
[0] 183.2.50.209.in-addr.arpa.: domain name does not exist
[0] 184.2.50.209.in-addr.arpa.: domain name does not exist
[0] 185.2.50.209.in-addr.arpa.: domain name does not exist
[0] 186.2.50.209.in-addr.arpa.: domain name does not exist
[0] 187.2.50.209.in-addr.arpa.: domain name does not exist
[0] 188.2.50.209.in-addr.arpa.: domain name does not exist
[0] 189.2.50.209.in-addr.arpa.: domain name does not exist
[0] 190.2.50.209.in-addr.arpa.: domain name does not exist
[0] 191.2.50.209.in-addr.arpa.: domain name does not exist
[0] 192.2.50.209.in-addr.arpa.: domain name does not exist
[0] 193.2.50.209.in-addr.arpa.: domain name does not exist
[0] 194.2.50.209.in-addr.arpa.: domain name does not exist
[0] 195.2.50.209.in-addr.arpa.: domain name does not exist
[0] 196.2.50.209.in-addr.arpa.: domain name does not exist
[0] 197.2.50.209.in-addr.arpa.: domain name does not exist
[0] 198.2.50.209.in-addr.arpa.: domain name does not exist
[0] 199.2.50.209.in-addr.arpa.: domain name does not exist
[0] 200.2.50.209.in-addr.arpa.: domain name does not exist
[0] 201.2.50.209.in-addr.arpa.: domain name does not exist
[0] 202.2.50.209.in-addr.arpa.: domain name does not exist
[0] 203.2.50.209.in-addr.arpa.: domain name does not exist
[0] 204.2.50.209.in-addr.arpa.: domain name does not exist
[0] 205.2.50.209.in-addr.arpa.: domain name does not exist
[0] 206.2.50.209.in-addr.arpa.: domain name does not exist
[0] 207.2.50.209.in-addr.arpa.: domain name does not exist
[0] 208.2.50.209.in-addr.arpa.: domain name does not exist
[0] 209.2.50.209.in-addr.arpa.: domain name does not exist
[0] 210.2.50.209.in-addr.arpa.: domain name does not exist
[0] 211.2.50.209.in-addr.arpa.: domain name does not exist
[0] 212.2.50.209.in-addr.arpa.: domain name does not exist
[0] 213.2.50.209.in-addr.arpa.: domain name does not exist
[0] 214.2.50.209.in-addr.arpa.: domain name does not exist
[0] 215.2.50.209.in-addr.arpa.: domain name does not exist
[0] 216.2.50.209.in-addr.arpa.: domain name does not exist
[0] 217.2.50.209.in-addr.arpa.: domain name does not exist
[0] 218.2.50.209.in-addr.arpa.: domain name does not exist
[0] 219.2.50.209.in-addr.arpa.: domain name does not exist
[0] 220.2.50.209.in-addr.arpa.: domain name does not exist
[0] 221.2.50.209.in-addr.arpa.: domain name does not exist
[0] 222.2.50.209.in-addr.arpa.: domain name does not exist
[0] 223.2.50.209.in-addr.arpa.: domain name does not exist
[0] 224.2.50.209.in-addr.arpa.: domain name does not exist
[0] 225.2.50.209.in-addr.arpa.: domain name does not exist
[0] 226.2.50.209.in-addr.arpa.: domain name does not exist
[0] 227.2.50.209.in-addr.arpa.: domain name does not exist
[0] 228.2.50.209.in-addr.arpa.: domain name does not exist
[0] 229.2.50.209.in-addr.arpa.: domain name does not exist
[0] 230.2.50.209.in-addr.arpa.: domain name does not exist
[0] 231.2.50.209.in-addr.arpa.: domain name does not exist
[0] 232.2.50.209.in-addr.arpa.: domain name does not exist
[0] 233.2.50.209.in-addr.arpa.: domain name does not exist
[0] 234.2.50.209.in-addr.arpa.: domain name does not exist
[0] 235.2.50.209.in-addr.arpa.: domain name does not exist
[0] 236.2.50.209.in-addr.arpa.: domain name does not exist
[0] 237.2.50.209.in-addr.arpa.: domain name does not exist
[0] 238.2.50.209.in-addr.arpa.: domain name does not exist
[0] 239.2.50.209.in-addr.arpa.: domain name does not exist
[0] 240.2.50.209.in-addr.arpa.: domain name does not exist
[0] 241.2.50.209.in-addr.arpa.: domain name does not exist
[0] 242.2.50.209.in-addr.arpa.: domain name does not exist
[0] 243.2.50.209.in-addr.arpa.: domain name does not exist
[0] 244.2.50.209.in-addr.arpa.: domain name does not exist
[0] 245.2.50.209.in-addr.arpa.: domain name does not exist
[0] 246.2.50.209.in-addr.arpa.: domain name does not exist
[0] 247.2.50.209.in-addr.arpa.: domain name does not exist
[0] 248.2.50.209.in-addr.arpa.: domain name does not exist
[0] 249.2.50.209.in-addr.arpa.: domain name does not exist
[0] 250.2.50.209.in-addr.arpa.: domain name does not exist
[0] 251.2.50.209.in-addr.arpa.: domain name does not exist
[0] 252.2.50.209.in-addr.arpa.: domain name does not exist
[0] 253.2.50.209.in-addr.arpa.: domain name does not exist
[0] 254.2.50.209.in-addr.arpa.: domain name does not exist
[0] 255.2.50.209.in-addr.arpa.: domain name does not exist