[10800] 0.207.155.207.in-addr.arpa. domain name pointer 207.155.207.0.ptr.us.xo.net [10800] 1.207.155.207.in-addr.arpa. domain name pointer 207.155.207.1.ptr.us.xo.net [10800] 2.207.155.207.in-addr.arpa. domain name pointer 207.155.207.2.ptr.us.xo.net [10800] 3.207.155.207.in-addr.arpa. domain name pointer 207.155.207.3.ptr.us.xo.net [10800] 4.207.155.207.in-addr.arpa. domain name pointer 207.155.207.4.ptr.us.xo.net [10800] 5.207.155.207.in-addr.arpa. domain name pointer 207.155.207.5.ptr.us.xo.net [10800] 6.207.155.207.in-addr.arpa. domain name pointer 207.155.207.6.ptr.us.xo.net [10800] 7.207.155.207.in-addr.arpa. domain name pointer 207.155.207.7.ptr.us.xo.net [10800] 8.207.155.207.in-addr.arpa. domain name pointer 207.155.207.8.ptr.us.xo.net [10800] 9.207.155.207.in-addr.arpa. domain name pointer 207.155.207.9.ptr.us.xo.net [10800] 10.207.155.207.in-addr.arpa. domain name pointer 207.155.207.10.ptr.us.xo.net [10800] 11.207.155.207.in-addr.arpa. domain name pointer 207.155.207.11.ptr.us.xo.net [10800] 12.207.155.207.in-addr.arpa. domain name pointer 207.155.207.12.ptr.us.xo.net [10800] 13.207.155.207.in-addr.arpa. domain name pointer 207.155.207.13.ptr.us.xo.net [10800] 14.207.155.207.in-addr.arpa. domain name pointer 207.155.207.14.ptr.us.xo.net [10800] 15.207.155.207.in-addr.arpa. domain name pointer 207.155.207.15.ptr.us.xo.net [10800] 16.207.155.207.in-addr.arpa. domain name pointer 207.155.207.16.ptr.us.xo.net [10800] 17.207.155.207.in-addr.arpa. domain name pointer 207.155.207.17.ptr.us.xo.net [10800] 18.207.155.207.in-addr.arpa. domain name pointer 207.155.207.18.ptr.us.xo.net [10800] 19.207.155.207.in-addr.arpa. domain name pointer 207.155.207.19.ptr.us.xo.net [10800] 20.207.155.207.in-addr.arpa. domain name pointer 207.155.207.20.ptr.us.xo.net [10800] 21.207.155.207.in-addr.arpa. domain name pointer 207.155.207.21.ptr.us.xo.net [10800] 22.207.155.207.in-addr.arpa. domain name pointer 207.155.207.22.ptr.us.xo.net [10800] 23.207.155.207.in-addr.arpa. domain name pointer 207.155.207.23.ptr.us.xo.net [10800] 24.207.155.207.in-addr.arpa. domain name pointer 207.155.207.24.ptr.us.xo.net [10800] 25.207.155.207.in-addr.arpa. domain name pointer 207.155.207.25.ptr.us.xo.net [10800] 26.207.155.207.in-addr.arpa. domain name pointer 207.155.207.26.ptr.us.xo.net [10800] 27.207.155.207.in-addr.arpa. domain name pointer 207.155.207.27.ptr.us.xo.net [10800] 28.207.155.207.in-addr.arpa. domain name pointer 207.155.207.28.ptr.us.xo.net [10800] 29.207.155.207.in-addr.arpa. domain name pointer 207.155.207.29.ptr.us.xo.net [10800] 30.207.155.207.in-addr.arpa. domain name pointer 207.155.207.30.ptr.us.xo.net [10800] 31.207.155.207.in-addr.arpa. domain name pointer 207.155.207.31.ptr.us.xo.net [10800] 32.207.155.207.in-addr.arpa. domain name pointer 207.155.207.32.ptr.us.xo.net [10800] 33.207.155.207.in-addr.arpa. domain name pointer 207.155.207.33.ptr.us.xo.net [10800] 34.207.155.207.in-addr.arpa. domain name pointer 207.155.207.34.ptr.us.xo.net [10800] 35.207.155.207.in-addr.arpa. domain name pointer 207.155.207.35.ptr.us.xo.net [10800] 36.207.155.207.in-addr.arpa. domain name pointer 207.155.207.36.ptr.us.xo.net [10800] 37.207.155.207.in-addr.arpa. domain name pointer 207.155.207.37.ptr.us.xo.net [10800] 38.207.155.207.in-addr.arpa. domain name pointer 207.155.207.38.ptr.us.xo.net [10800] 39.207.155.207.in-addr.arpa. domain name pointer 207.155.207.39.ptr.us.xo.net [10800] 40.207.155.207.in-addr.arpa. domain name pointer 207.155.207.40.ptr.us.xo.net [10800] 41.207.155.207.in-addr.arpa. domain name pointer 207.155.207.41.ptr.us.xo.net [10800] 42.207.155.207.in-addr.arpa. domain name pointer 207.155.207.42.ptr.us.xo.net [10800] 43.207.155.207.in-addr.arpa. domain name pointer 207.155.207.43.ptr.us.xo.net [10800] 44.207.155.207.in-addr.arpa. domain name pointer 207.155.207.44.ptr.us.xo.net [10800] 45.207.155.207.in-addr.arpa. domain name pointer 207.155.207.45.ptr.us.xo.net [10800] 46.207.155.207.in-addr.arpa. domain name pointer 207.155.207.46.ptr.us.xo.net [10800] 47.207.155.207.in-addr.arpa. domain name pointer 207.155.207.47.ptr.us.xo.net [10800] 48.207.155.207.in-addr.arpa. domain name pointer 207.155.207.48.ptr.us.xo.net [10800] 49.207.155.207.in-addr.arpa. domain name pointer 207.155.207.49.ptr.us.xo.net [10800] 50.207.155.207.in-addr.arpa. domain name pointer 207.155.207.50.ptr.us.xo.net [10800] 51.207.155.207.in-addr.arpa. domain name pointer 207.155.207.51.ptr.us.xo.net [10800] 52.207.155.207.in-addr.arpa. domain name pointer 207.155.207.52.ptr.us.xo.net [10800] 53.207.155.207.in-addr.arpa. domain name pointer 207.155.207.53.ptr.us.xo.net [10800] 54.207.155.207.in-addr.arpa. domain name pointer 207.155.207.54.ptr.us.xo.net [10800] 55.207.155.207.in-addr.arpa. domain name pointer 207.155.207.55.ptr.us.xo.net [10800] 56.207.155.207.in-addr.arpa. domain name pointer 207.155.207.56.ptr.us.xo.net [10800] 57.207.155.207.in-addr.arpa. domain name pointer 207.155.207.57.ptr.us.xo.net [10800] 58.207.155.207.in-addr.arpa. domain name pointer 207.155.207.58.ptr.us.xo.net [10800] 59.207.155.207.in-addr.arpa. domain name pointer 207.155.207.59.ptr.us.xo.net [10800] 60.207.155.207.in-addr.arpa. domain name pointer 207.155.207.60.ptr.us.xo.net [10800] 61.207.155.207.in-addr.arpa. domain name pointer 207.155.207.61.ptr.us.xo.net [10800] 62.207.155.207.in-addr.arpa. domain name pointer 207.155.207.62.ptr.us.xo.net [10800] 63.207.155.207.in-addr.arpa. domain name pointer 207.155.207.63.ptr.us.xo.net [0] 64.207.155.207.in-addr.arpa.: domain name does not exist [0] 65.207.155.207.in-addr.arpa.: domain name does not exist [0] 66.207.155.207.in-addr.arpa.: domain name does not exist [0] 67.207.155.207.in-addr.arpa.: domain name does not exist [0] 68.207.155.207.in-addr.arpa.: domain name does not exist [0] 69.207.155.207.in-addr.arpa.: domain name does not exist [0] 70.207.155.207.in-addr.arpa.: domain name does not exist [0] 71.207.155.207.in-addr.arpa.: domain name does not exist [0] 72.207.155.207.in-addr.arpa.: domain name does not exist [0] 73.207.155.207.in-addr.arpa.: domain name does not exist [0] 74.207.155.207.in-addr.arpa.: domain name does not exist [0] 75.207.155.207.in-addr.arpa.: domain name does not exist [0] 76.207.155.207.in-addr.arpa.: domain name does not exist [0] 77.207.155.207.in-addr.arpa.: domain name does not exist [0] 78.207.155.207.in-addr.arpa.: domain name does not exist [0] 79.207.155.207.in-addr.arpa.: domain name does not exist [0] 80.207.155.207.in-addr.arpa.: domain name does not exist [0] 81.207.155.207.in-addr.arpa.: domain name does not exist [0] 82.207.155.207.in-addr.arpa.: domain name does not exist [0] 83.207.155.207.in-addr.arpa.: domain name does not exist [0] 84.207.155.207.in-addr.arpa.: domain name does not exist [0] 85.207.155.207.in-addr.arpa.: domain name does not exist [0] 86.207.155.207.in-addr.arpa.: domain name does not exist [0] 87.207.155.207.in-addr.arpa.: domain name does not exist [0] 88.207.155.207.in-addr.arpa.: domain name does not exist [0] 89.207.155.207.in-addr.arpa.: domain name does not exist [0] 90.207.155.207.in-addr.arpa.: domain name does not exist [0] 91.207.155.207.in-addr.arpa.: domain name does not exist [0] 92.207.155.207.in-addr.arpa.: domain name does not exist [0] 93.207.155.207.in-addr.arpa.: domain name does not exist [0] 94.207.155.207.in-addr.arpa.: domain name does not exist [0] 95.207.155.207.in-addr.arpa.: domain name does not exist [0] 96.207.155.207.in-addr.arpa.: domain name does not exist [0] 97.207.155.207.in-addr.arpa.: domain name does not exist [0] 98.207.155.207.in-addr.arpa.: domain name does not exist [0] 99.207.155.207.in-addr.arpa.: domain name does not exist [0] 100.207.155.207.in-addr.arpa.: domain name does not exist [0] 101.207.155.207.in-addr.arpa.: domain name does not exist [0] 102.207.155.207.in-addr.arpa.: domain name does not exist [0] 103.207.155.207.in-addr.arpa.: domain name does not exist [0] 104.207.155.207.in-addr.arpa.: domain name does not exist [0] 105.207.155.207.in-addr.arpa.: domain name does not exist [0] 106.207.155.207.in-addr.arpa.: domain name does not exist [0] 107.207.155.207.in-addr.arpa.: domain name does not exist [0] 108.207.155.207.in-addr.arpa.: domain name does not exist [0] 109.207.155.207.in-addr.arpa.: domain name does not exist [0] 110.207.155.207.in-addr.arpa.: domain name does not exist [0] 111.207.155.207.in-addr.arpa.: domain name does not exist [0] 112.207.155.207.in-addr.arpa.: domain name does not exist [0] 113.207.155.207.in-addr.arpa.: domain name does not exist [0] 114.207.155.207.in-addr.arpa.: domain name does not exist [0] 115.207.155.207.in-addr.arpa.: domain name does not exist [0] 116.207.155.207.in-addr.arpa.: domain name does not exist [0] 117.207.155.207.in-addr.arpa.: domain name does not exist [0] 118.207.155.207.in-addr.arpa.: domain name does not exist [0] 119.207.155.207.in-addr.arpa.: domain name does not exist [0] 120.207.155.207.in-addr.arpa.: domain name does not exist [0] 121.207.155.207.in-addr.arpa.: domain name does not exist [0] 122.207.155.207.in-addr.arpa.: domain name does not exist [0] 123.207.155.207.in-addr.arpa.: domain name does not exist [0] 124.207.155.207.in-addr.arpa.: domain name does not exist [0] 125.207.155.207.in-addr.arpa.: domain name does not exist [0] 126.207.155.207.in-addr.arpa.: domain name does not exist [0] 127.207.155.207.in-addr.arpa.: domain name does not exist [10800] 128.207.155.207.in-addr.arpa. domain name pointer 207.155.207.128.ptr.us.xo.net [10800] 129.207.155.207.in-addr.arpa. domain name pointer 207.155.207.129.ptr.us.xo.net [10800] 130.207.155.207.in-addr.arpa. domain name pointer 207.155.207.130.ptr.us.xo.net [10800] 131.207.155.207.in-addr.arpa. domain name pointer 207.155.207.131.ptr.us.xo.net [10800] 132.207.155.207.in-addr.arpa. domain name pointer 207.155.207.132.ptr.us.xo.net [10800] 133.207.155.207.in-addr.arpa. domain name pointer 207.155.207.133.ptr.us.xo.net [10800] 134.207.155.207.in-addr.arpa. domain name pointer 207.155.207.134.ptr.us.xo.net [10800] 135.207.155.207.in-addr.arpa. domain name pointer 207.155.207.135.ptr.us.xo.net [10800] 136.207.155.207.in-addr.arpa. domain name pointer 207.155.207.136.ptr.us.xo.net [10800] 137.207.155.207.in-addr.arpa. domain name pointer 207.155.207.137.ptr.us.xo.net [10800] 138.207.155.207.in-addr.arpa. domain name pointer 207.155.207.138.ptr.us.xo.net [10800] 139.207.155.207.in-addr.arpa. domain name pointer 207.155.207.139.ptr.us.xo.net [10800] 140.207.155.207.in-addr.arpa. domain name pointer 207.155.207.140.ptr.us.xo.net [10800] 141.207.155.207.in-addr.arpa. domain name pointer 207.155.207.141.ptr.us.xo.net [10800] 142.207.155.207.in-addr.arpa. domain name pointer 207.155.207.142.ptr.us.xo.net [10800] 143.207.155.207.in-addr.arpa. domain name pointer 207.155.207.143.ptr.us.xo.net [10800] 144.207.155.207.in-addr.arpa. domain name pointer 207.155.207.144.ptr.us.xo.net [10800] 145.207.155.207.in-addr.arpa. domain name pointer 207.155.207.145.ptr.us.xo.net [10800] 146.207.155.207.in-addr.arpa. domain name pointer 207.155.207.146.ptr.us.xo.net [10800] 147.207.155.207.in-addr.arpa. domain name pointer 207.155.207.147.ptr.us.xo.net [10800] 148.207.155.207.in-addr.arpa. domain name pointer 207.155.207.148.ptr.us.xo.net [10800] 149.207.155.207.in-addr.arpa. domain name pointer 207.155.207.149.ptr.us.xo.net [10800] 150.207.155.207.in-addr.arpa. domain name pointer 207.155.207.150.ptr.us.xo.net [10800] 151.207.155.207.in-addr.arpa. domain name pointer 207.155.207.151.ptr.us.xo.net [10800] 152.207.155.207.in-addr.arpa. domain name pointer 207.155.207.152.ptr.us.xo.net [10800] 153.207.155.207.in-addr.arpa. domain name pointer 207.155.207.153.ptr.us.xo.net [10800] 154.207.155.207.in-addr.arpa. domain name pointer 207.155.207.154.ptr.us.xo.net [10800] 155.207.155.207.in-addr.arpa. domain name pointer 207.155.207.155.ptr.us.xo.net [10800] 156.207.155.207.in-addr.arpa. domain name pointer 207.155.207.156.ptr.us.xo.net [10800] 157.207.155.207.in-addr.arpa. domain name pointer 207.155.207.157.ptr.us.xo.net [10800] 158.207.155.207.in-addr.arpa. domain name pointer 207.155.207.158.ptr.us.xo.net [10800] 159.207.155.207.in-addr.arpa. domain name pointer 207.155.207.159.ptr.us.xo.net [10800] 160.207.155.207.in-addr.arpa. domain name pointer 207.155.207.160.ptr.us.xo.net [10800] 161.207.155.207.in-addr.arpa. domain name pointer 207.155.207.161.ptr.us.xo.net [10800] 162.207.155.207.in-addr.arpa. domain name pointer 207.155.207.162.ptr.us.xo.net [10800] 163.207.155.207.in-addr.arpa. domain name pointer 207.155.207.163.ptr.us.xo.net [10800] 164.207.155.207.in-addr.arpa. domain name pointer 207.155.207.164.ptr.us.xo.net [10800] 165.207.155.207.in-addr.arpa. domain name pointer 207.155.207.165.ptr.us.xo.net [10800] 166.207.155.207.in-addr.arpa. domain name pointer 207.155.207.166.ptr.us.xo.net [10800] 167.207.155.207.in-addr.arpa. domain name pointer 207.155.207.167.ptr.us.xo.net [10800] 168.207.155.207.in-addr.arpa. domain name pointer 207.155.207.168.ptr.us.xo.net [10800] 169.207.155.207.in-addr.arpa. domain name pointer 207.155.207.169.ptr.us.xo.net [10800] 170.207.155.207.in-addr.arpa. domain name pointer 207.155.207.170.ptr.us.xo.net [10800] 171.207.155.207.in-addr.arpa. domain name pointer 207.155.207.171.ptr.us.xo.net [10800] 172.207.155.207.in-addr.arpa. domain name pointer 207.155.207.172.ptr.us.xo.net [10800] 173.207.155.207.in-addr.arpa. domain name pointer 207.155.207.173.ptr.us.xo.net [10800] 174.207.155.207.in-addr.arpa. domain name pointer 207.155.207.174.ptr.us.xo.net [10800] 175.207.155.207.in-addr.arpa. domain name pointer 207.155.207.175.ptr.us.xo.net [10800] 176.207.155.207.in-addr.arpa. domain name pointer 207.155.207.176.ptr.us.xo.net [10800] 177.207.155.207.in-addr.arpa. domain name pointer 207.155.207.177.ptr.us.xo.net [10800] 178.207.155.207.in-addr.arpa. domain name pointer 207.155.207.178.ptr.us.xo.net [10800] 179.207.155.207.in-addr.arpa. domain name pointer 207.155.207.179.ptr.us.xo.net [10800] 180.207.155.207.in-addr.arpa. domain name pointer 207.155.207.180.ptr.us.xo.net [10800] 181.207.155.207.in-addr.arpa. domain name pointer 207.155.207.181.ptr.us.xo.net [10800] 182.207.155.207.in-addr.arpa. domain name pointer 207.155.207.182.ptr.us.xo.net [10800] 183.207.155.207.in-addr.arpa. domain name pointer 207.155.207.183.ptr.us.xo.net [10800] 184.207.155.207.in-addr.arpa. domain name pointer 207.155.207.184.ptr.us.xo.net [10800] 185.207.155.207.in-addr.arpa. domain name pointer 207.155.207.185.ptr.us.xo.net [10800] 186.207.155.207.in-addr.arpa. domain name pointer 207.155.207.186.ptr.us.xo.net [10800] 187.207.155.207.in-addr.arpa. domain name pointer 207.155.207.187.ptr.us.xo.net [10800] 188.207.155.207.in-addr.arpa. domain name pointer 207.155.207.188.ptr.us.xo.net [10800] 189.207.155.207.in-addr.arpa. domain name pointer 207.155.207.189.ptr.us.xo.net [10800] 190.207.155.207.in-addr.arpa. domain name pointer 207.155.207.190.ptr.us.xo.net [10800] 191.207.155.207.in-addr.arpa. domain name pointer 207.155.207.191.ptr.us.xo.net [0] 192.207.155.207.in-addr.arpa.: domain name does not exist [0] 193.207.155.207.in-addr.arpa.: domain name does not exist [0] 194.207.155.207.in-addr.arpa.: domain name does not exist [0] 195.207.155.207.in-addr.arpa.: domain name does not exist [0] 196.207.155.207.in-addr.arpa.: domain name does not exist [0] 197.207.155.207.in-addr.arpa.: domain name does not exist [0] 198.207.155.207.in-addr.arpa.: domain name does not exist [0] 199.207.155.207.in-addr.arpa.: domain name does not exist [0] 200.207.155.207.in-addr.arpa.: domain name does not exist [0] 201.207.155.207.in-addr.arpa.: domain name does not exist [0] 202.207.155.207.in-addr.arpa.: domain name does not exist [0] 203.207.155.207.in-addr.arpa.: domain name does not exist [0] 204.207.155.207.in-addr.arpa.: domain name does not exist [0] 205.207.155.207.in-addr.arpa.: domain name does not exist [0] 206.207.155.207.in-addr.arpa.: domain name does not exist [0] 207.207.155.207.in-addr.arpa.: domain name does not exist [0] 208.207.155.207.in-addr.arpa.: domain name does not exist [0] 209.207.155.207.in-addr.arpa.: domain name does not exist [0] 210.207.155.207.in-addr.arpa.: domain name does not exist [0] 211.207.155.207.in-addr.arpa.: domain name does not exist [0] 212.207.155.207.in-addr.arpa.: domain name does not exist [0] 213.207.155.207.in-addr.arpa.: domain name does not exist [0] 214.207.155.207.in-addr.arpa.: domain name does not exist [0] 215.207.155.207.in-addr.arpa.: domain name does not exist [0] 216.207.155.207.in-addr.arpa.: domain name does not exist [0] 217.207.155.207.in-addr.arpa.: domain name does not exist [0] 218.207.155.207.in-addr.arpa.: domain name does not exist [0] 219.207.155.207.in-addr.arpa.: domain name does not exist [0] 220.207.155.207.in-addr.arpa.: domain name does not exist [0] 221.207.155.207.in-addr.arpa.: domain name does not exist [0] 222.207.155.207.in-addr.arpa.: domain name does not exist [0] 223.207.155.207.in-addr.arpa.: domain name does not exist [10800] 224.207.155.207.in-addr.arpa. domain name pointer 207.155.207.224.ptr.us.xo.net [10800] 225.207.155.207.in-addr.arpa. domain name pointer 207.155.207.225.ptr.us.xo.net [10800] 226.207.155.207.in-addr.arpa. domain name pointer 207.155.207.226.ptr.us.xo.net [10800] 227.207.155.207.in-addr.arpa. domain name pointer 207.155.207.227.ptr.us.xo.net [10800] 228.207.155.207.in-addr.arpa. domain name pointer 207.155.207.228.ptr.us.xo.net [10800] 229.207.155.207.in-addr.arpa. domain name pointer 207.155.207.229.ptr.us.xo.net [10800] 230.207.155.207.in-addr.arpa. domain name pointer 207.155.207.230.ptr.us.xo.net [10800] 231.207.155.207.in-addr.arpa. domain name pointer 207.155.207.231.ptr.us.xo.net [10800] 232.207.155.207.in-addr.arpa. domain name pointer 207.155.207.232.ptr.us.xo.net [10800] 233.207.155.207.in-addr.arpa. domain name pointer 207.155.207.233.ptr.us.xo.net [10800] 234.207.155.207.in-addr.arpa. domain name pointer 207.155.207.234.ptr.us.xo.net [10800] 235.207.155.207.in-addr.arpa. domain name pointer 207.155.207.235.ptr.us.xo.net [10800] 236.207.155.207.in-addr.arpa. domain name pointer 207.155.207.236.ptr.us.xo.net [10800] 237.207.155.207.in-addr.arpa. domain name pointer 207.155.207.237.ptr.us.xo.net [10800] 238.207.155.207.in-addr.arpa. domain name pointer 207.155.207.238.ptr.us.xo.net [10800] 239.207.155.207.in-addr.arpa. domain name pointer 207.155.207.239.ptr.us.xo.net [10800] 240.207.155.207.in-addr.arpa. domain name pointer 207.155.207.240.ptr.us.xo.net [10800] 241.207.155.207.in-addr.arpa. domain name pointer 207.155.207.241.ptr.us.xo.net [10800] 242.207.155.207.in-addr.arpa. domain name pointer 207.155.207.242.ptr.us.xo.net [10800] 243.207.155.207.in-addr.arpa. domain name pointer 207.155.207.243.ptr.us.xo.net [10800] 244.207.155.207.in-addr.arpa. domain name pointer 207.155.207.244.ptr.us.xo.net [10800] 245.207.155.207.in-addr.arpa. domain name pointer 207.155.207.245.ptr.us.xo.net [10800] 246.207.155.207.in-addr.arpa. domain name pointer 207.155.207.246.ptr.us.xo.net [10800] 247.207.155.207.in-addr.arpa. domain name pointer 207.155.207.247.ptr.us.xo.net [10800] 248.207.155.207.in-addr.arpa. domain name pointer 207.155.207.248.ptr.us.xo.net [10800] 249.207.155.207.in-addr.arpa. domain name pointer 207.155.207.249.ptr.us.xo.net [10800] 250.207.155.207.in-addr.arpa. domain name pointer 207.155.207.250.ptr.us.xo.net [10800] 251.207.155.207.in-addr.arpa. domain name pointer 207.155.207.251.ptr.us.xo.net [10800] 252.207.155.207.in-addr.arpa. domain name pointer 207.155.207.252.ptr.us.xo.net [10800] 253.207.155.207.in-addr.arpa. domain name pointer 207.155.207.253.ptr.us.xo.net [10800] 254.207.155.207.in-addr.arpa. domain name pointer 207.155.207.254.ptr.us.xo.net [10800] 255.207.155.207.in-addr.arpa. domain name pointer 207.155.207.255.ptr.us.xo.net