[86400] 0.185.111.206.in-addr.arpa. domain name pointer 206.111.185.0.ptr.us.xo.net
[86400] 1.185.111.206.in-addr.arpa. domain name pointer ws1.datalinkus.com
[86400] 2.185.111.206.in-addr.arpa. domain name pointer www.datalinkus.com
[86400] 3.185.111.206.in-addr.arpa. domain name pointer ws3.datalinkus.com
[86400] 4.185.111.206.in-addr.arpa. domain name pointer ws4.datalinkus.com
[86400] 5.185.111.206.in-addr.arpa. domain name pointer ws5.datalinkus.com
[86400] 6.185.111.206.in-addr.arpa. domain name pointer ws6.datalinkus.com
[86400] 7.185.111.206.in-addr.arpa. domain name pointer ws7.datalinkus.com
[86400] 8.185.111.206.in-addr.arpa. domain name pointer ws8.datalinkus.com
[86400] 9.185.111.206.in-addr.arpa. domain name pointer ws9.datalinkus.com
[86400] 10.185.111.206.in-addr.arpa. domain name pointer ws10.datalinkus.com
[86400] 11.185.111.206.in-addr.arpa. domain name pointer ws11.datalinkus.com
[86400] 12.185.111.206.in-addr.arpa. domain name pointer ws12.datalinkus.com
[86400] 13.185.111.206.in-addr.arpa. domain name pointer ws13.datalinkus.com
[86400] 14.185.111.206.in-addr.arpa. domain name pointer ws14.datalinkus.com
[86400] 15.185.111.206.in-addr.arpa. domain name pointer ws15.datalinkus.com
[86400] 16.185.111.206.in-addr.arpa. domain name pointer ws16.datalinkus.com
[86400] 17.185.111.206.in-addr.arpa. domain name pointer ws17.datalinkus.com
[86400] 18.185.111.206.in-addr.arpa. domain name pointer ws18.datalinkus.com
[86400] 19.185.111.206.in-addr.arpa. domain name pointer ws19.datalinkus.com
[86400] 20.185.111.206.in-addr.arpa. domain name pointer ws20.datalinkus.com
[86400] 21.185.111.206.in-addr.arpa. domain name pointer ws21.datalinkus.com
[86400] 22.185.111.206.in-addr.arpa. domain name pointer ws22.datalinkus.com
[86400] 23.185.111.206.in-addr.arpa. domain name pointer ws23.datalinkus.com
[86400] 24.185.111.206.in-addr.arpa. domain name pointer ws24.datalinkus.com
[86400] 25.185.111.206.in-addr.arpa. domain name pointer ws25.datalinkus.com
[86400] 26.185.111.206.in-addr.arpa. domain name pointer ws26.datalinkus.com
[86400] 27.185.111.206.in-addr.arpa. domain name pointer ws27.datalinkus.com
[86400] 28.185.111.206.in-addr.arpa. domain name pointer ws28.datalinkus.com
[86400] 29.185.111.206.in-addr.arpa. domain name pointer ws29.datalinkus.com
[86400] 30.185.111.206.in-addr.arpa. domain name pointer ws30.datalinkus.com
[86400] 31.185.111.206.in-addr.arpa. domain name pointer ws31.datalinkus.com
[86400] 32.185.111.206.in-addr.arpa. domain name pointer ws32.datalinkus.com
[86400] 33.185.111.206.in-addr.arpa. domain name pointer ws33.datalinkus.com
[86400] 34.185.111.206.in-addr.arpa. domain name pointer ws34.datalinkus.com
[86400] 35.185.111.206.in-addr.arpa. domain name pointer ws35.datalinkus.com
[86400] 36.185.111.206.in-addr.arpa. domain name pointer ws36.datalinkus.com
[86400] 37.185.111.206.in-addr.arpa. domain name pointer ws37.datalinkus.com
[86400] 38.185.111.206.in-addr.arpa. domain name pointer ws38.datalinkus.com
[86400] 39.185.111.206.in-addr.arpa. domain name pointer ws39.datalinkus.com
[86400] 40.185.111.206.in-addr.arpa. domain name pointer ws40.datalinkus.com
[86400] 41.185.111.206.in-addr.arpa. domain name pointer ws41.datalinkus.com
[86400] 42.185.111.206.in-addr.arpa. domain name pointer ws42.datalinkus.com
[86400] 43.185.111.206.in-addr.arpa. domain name pointer ws43.datalinkus.com
[86400] 44.185.111.206.in-addr.arpa. domain name pointer ws44.datalinkus.com
[86400] 45.185.111.206.in-addr.arpa. domain name pointer ws45.datalinkus.com
[86400] 46.185.111.206.in-addr.arpa. domain name pointer ws46.datalinkus.com
[86400] 47.185.111.206.in-addr.arpa. domain name pointer ws47.datalinkus.com
[86400] 48.185.111.206.in-addr.arpa. domain name pointer ws48.datalinkus.com
[86400] 49.185.111.206.in-addr.arpa. domain name pointer ws49.datalinkus.com
[86400] 50.185.111.206.in-addr.arpa. domain name pointer ws50.datalinkus.com
[86400] 51.185.111.206.in-addr.arpa. domain name pointer ws51.datalinkus.com
[86400] 52.185.111.206.in-addr.arpa. domain name pointer ws52.datalinkus.com
[86400] 53.185.111.206.in-addr.arpa. domain name pointer ws53.datalinkus.com
[86400] 54.185.111.206.in-addr.arpa. domain name pointer ws54.datalinkus.com
[86400] 55.185.111.206.in-addr.arpa. domain name pointer ws55.datalinkus.com
[86400] 56.185.111.206.in-addr.arpa. domain name pointer ws56.datalinkus.com
[86400] 57.185.111.206.in-addr.arpa. domain name pointer ws57.datalinkus.com
[86400] 58.185.111.206.in-addr.arpa. domain name pointer ws58.datalinkus.com
[86400] 59.185.111.206.in-addr.arpa. domain name pointer ws59.datalinkus.com
[86400] 60.185.111.206.in-addr.arpa. domain name pointer ws60.datalinkus.com
[86400] 61.185.111.206.in-addr.arpa. domain name pointer ws61.datalinkus.com
[86400] 62.185.111.206.in-addr.arpa. domain name pointer ws62.datalinkus.com
[86400] 63.185.111.206.in-addr.arpa. domain name pointer ws63.datalinkus.com
[86400] 64.185.111.206.in-addr.arpa. domain name pointer ws64.datalinkus.com
[86400] 65.185.111.206.in-addr.arpa. domain name pointer ws65.datalinkus.com
[86400] 66.185.111.206.in-addr.arpa. domain name pointer datalinkus.com
[86400] 67.185.111.206.in-addr.arpa. domain name pointer ws67.datalinkus.com
[86400] 68.185.111.206.in-addr.arpa. domain name pointer ws68.datalinkus.com
[86400] 69.185.111.206.in-addr.arpa. domain name pointer ws69.datalinkus.com
[86400] 70.185.111.206.in-addr.arpa. domain name pointer ws70.datalinkus.com
[86400] 71.185.111.206.in-addr.arpa. domain name pointer ws71.datalinkus.com
[86400] 72.185.111.206.in-addr.arpa. domain name pointer ws72.datalinkus.com
[86400] 73.185.111.206.in-addr.arpa. domain name pointer ws73.datalinkus.com
[86400] 74.185.111.206.in-addr.arpa. domain name pointer ws74.datalinkus.com
[86400] 75.185.111.206.in-addr.arpa. domain name pointer ws75.datalinkus.com
[86400] 76.185.111.206.in-addr.arpa. domain name pointer ws76.datalinkus.com
[86400] 77.185.111.206.in-addr.arpa. domain name pointer ws77.datalinkus.com
[86400] 78.185.111.206.in-addr.arpa. domain name pointer ws78.datalinkus.com
[86400] 79.185.111.206.in-addr.arpa. domain name pointer ws79.datalinkus.com
[86400] 80.185.111.206.in-addr.arpa. domain name pointer ws80.datalinkus.com
[86400] 81.185.111.206.in-addr.arpa. domain name pointer ws81.datalinkus.com
[86400] 82.185.111.206.in-addr.arpa. domain name pointer ws82.datalinkus.com
[86400] 83.185.111.206.in-addr.arpa. domain name pointer ws83.datalinkus.com
[86400] 84.185.111.206.in-addr.arpa. domain name pointer ws84.datalinkus.com
[86400] 85.185.111.206.in-addr.arpa. domain name pointer ws85.datalinkus.com
[86400] 86.185.111.206.in-addr.arpa. domain name pointer ws86.datalinkus.com
[86400] 87.185.111.206.in-addr.arpa. domain name pointer ws87.datalinkus.com
[86400] 88.185.111.206.in-addr.arpa. domain name pointer ws88.datalinkus.com
[86400] 89.185.111.206.in-addr.arpa. domain name pointer ws89.datalinkus.com
[86400] 90.185.111.206.in-addr.arpa. domain name pointer ws90.datalinkus.com
[86400] 91.185.111.206.in-addr.arpa. domain name pointer ws91.datalinkus.com
[86400] 92.185.111.206.in-addr.arpa. domain name pointer ws92.datalinkus.com
[86400] 93.185.111.206.in-addr.arpa. domain name pointer ws93.datalinkus.com
[86400] 94.185.111.206.in-addr.arpa. domain name pointer ws94.datalinkus.com
[86400] 95.185.111.206.in-addr.arpa. domain name pointer ws95.datalinkus.com
[86400] 96.185.111.206.in-addr.arpa. domain name pointer ws96.datalinkus.com
[86400] 97.185.111.206.in-addr.arpa. domain name pointer ws97.datalinkus.com
[86400] 98.185.111.206.in-addr.arpa. domain name pointer ws98.datalinkus.com
[86400] 99.185.111.206.in-addr.arpa. domain name pointer ws99.datalinkus.com
[86400] 100.185.111.206.in-addr.arpa. domain name pointer ws100.datalinkus.com
[86400] 101.185.111.206.in-addr.arpa. domain name pointer ws101.datalinkus.com
[86400] 102.185.111.206.in-addr.arpa. domain name pointer ws102.datalinkus.com
[86400] 103.185.111.206.in-addr.arpa. domain name pointer ws103.datalinkus.com
[86400] 104.185.111.206.in-addr.arpa. domain name pointer ws104.datalinkus.com
[86400] 105.185.111.206.in-addr.arpa. domain name pointer ws105.datalinkus.com
[86400] 106.185.111.206.in-addr.arpa. domain name pointer ws106.datalinkus.com
[86400] 107.185.111.206.in-addr.arpa. domain name pointer ws107.datalinkus.com
[86400] 108.185.111.206.in-addr.arpa. domain name pointer ws108.datalinkus.com
[86400] 109.185.111.206.in-addr.arpa. domain name pointer ws109.datalinkus.com
[86400] 110.185.111.206.in-addr.arpa. domain name pointer ws110.datalinkus.com
[86400] 111.185.111.206.in-addr.arpa. domain name pointer ws111.datalinkus.com
[86400] 112.185.111.206.in-addr.arpa. domain name pointer ws112.datalinkus.com
[86400] 113.185.111.206.in-addr.arpa. domain name pointer ws113.datalinkus.com
[86400] 114.185.111.206.in-addr.arpa. domain name pointer ws114.datalinkus.com
[86400] 115.185.111.206.in-addr.arpa. domain name pointer ws115.datalinkus.com
[86400] 116.185.111.206.in-addr.arpa. domain name pointer ws116.datalinkus.com
[86400] 117.185.111.206.in-addr.arpa. domain name pointer ws117.datalinkus.com
[86400] 118.185.111.206.in-addr.arpa. domain name pointer ws118.datalinkus.com
[86400] 119.185.111.206.in-addr.arpa. domain name pointer ws119.datalinkus.com
[86400] 120.185.111.206.in-addr.arpa. domain name pointer ws120.datalinkus.com
[86400] 121.185.111.206.in-addr.arpa. domain name pointer ws121.datalinkus.com
[86400] 122.185.111.206.in-addr.arpa. domain name pointer ws122.datalinkus.com
[86400] 123.185.111.206.in-addr.arpa. domain name pointer ws123.datalinkus.com
[86400] 124.185.111.206.in-addr.arpa. domain name pointer ws124.datalinkus.com
[86400] 125.185.111.206.in-addr.arpa. domain name pointer ws125.datalinkus.com
[86400] 126.185.111.206.in-addr.arpa. domain name pointer ws126.datalinkus.com
[86400] 127.185.111.206.in-addr.arpa. domain name pointer ws127.datalinkus.com
[86400] 128.185.111.206.in-addr.arpa. domain name pointer ws128.datalinkus.com
[86400] 129.185.111.206.in-addr.arpa. domain name pointer ws129.datalinkus.com
[86400] 130.185.111.206.in-addr.arpa. domain name pointer ws130.datalinkus.com
[86400] 131.185.111.206.in-addr.arpa. domain name pointer ws131.datalinkus.com
[86400] 132.185.111.206.in-addr.arpa. domain name pointer ws132.datalinkus.com
[86400] 133.185.111.206.in-addr.arpa. domain name pointer ws133.datalinkus.com
[86400] 134.185.111.206.in-addr.arpa. domain name pointer ws134.datalinkus.com
[86400] 135.185.111.206.in-addr.arpa. domain name pointer ws135.datalinkus.com
[86400] 136.185.111.206.in-addr.arpa. domain name pointer ws136.datalinkus.com
[86400] 137.185.111.206.in-addr.arpa. domain name pointer ws137.datalinkus.com
[86400] 138.185.111.206.in-addr.arpa. domain name pointer ws138.datalinkus.com
[86400] 139.185.111.206.in-addr.arpa. domain name pointer ws139.datalinkus.com
[86400] 140.185.111.206.in-addr.arpa. domain name pointer ws140.datalinkus.com
[86400] 141.185.111.206.in-addr.arpa. domain name pointer ws141.datalinkus.com
[86400] 142.185.111.206.in-addr.arpa. domain name pointer ws142.datalinkus.com
[86400] 143.185.111.206.in-addr.arpa. domain name pointer ws143.datalinkus.com
[86400] 144.185.111.206.in-addr.arpa. domain name pointer ws144.datalinkus.com
[86400] 145.185.111.206.in-addr.arpa. domain name pointer ws145.datalinkus.com
[86400] 146.185.111.206.in-addr.arpa. domain name pointer ws146.datalinkus.com
[86400] 147.185.111.206.in-addr.arpa. domain name pointer ws147.datalinkus.com
[86400] 148.185.111.206.in-addr.arpa. domain name pointer ws148.datalinkus.com
[86400] 149.185.111.206.in-addr.arpa. domain name pointer ws149.datalinkus.com
[86400] 150.185.111.206.in-addr.arpa. domain name pointer ws150.datalinkus.com
[86400] 151.185.111.206.in-addr.arpa. domain name pointer ws151.datalinkus.com
[86400] 152.185.111.206.in-addr.arpa. domain name pointer ws152.datalinkus.com
[86400] 153.185.111.206.in-addr.arpa. domain name pointer ws153.datalinkus.com
[86400] 154.185.111.206.in-addr.arpa. domain name pointer ws154.datalinkus.com
[86400] 155.185.111.206.in-addr.arpa. domain name pointer ws155.datalinkus.com
[86400] 156.185.111.206.in-addr.arpa. domain name pointer ws156.datalinkus.com
[86400] 157.185.111.206.in-addr.arpa. domain name pointer ws157.datalinkus.com
[86400] 158.185.111.206.in-addr.arpa. domain name pointer ws158.datalinkus.com
[86400] 159.185.111.206.in-addr.arpa. domain name pointer ws159.datalinkus.com
[86400] 160.185.111.206.in-addr.arpa. domain name pointer ws160.datalinkus.com
[86400] 161.185.111.206.in-addr.arpa. domain name pointer ws161.datalinkus.com
[86400] 162.185.111.206.in-addr.arpa. domain name pointer ws162.datalinkus.com
[86400] 163.185.111.206.in-addr.arpa. domain name pointer ws163.datalinkus.com
[86400] 164.185.111.206.in-addr.arpa. domain name pointer ws164.datalinkus.com
[86400] 165.185.111.206.in-addr.arpa. domain name pointer ws165.datalinkus.com
[86400] 166.185.111.206.in-addr.arpa. domain name pointer ws166.datalinkus.com
[86400] 167.185.111.206.in-addr.arpa. domain name pointer ws167.datalinkus.com
[86400] 168.185.111.206.in-addr.arpa. domain name pointer ws168.datalinkus.com
[86400] 169.185.111.206.in-addr.arpa. domain name pointer ws169.datalinkus.com
[86400] 170.185.111.206.in-addr.arpa. domain name pointer ws170.datalinkus.com
[86400] 171.185.111.206.in-addr.arpa. domain name pointer ws171.datalinkus.com
[86400] 172.185.111.206.in-addr.arpa. domain name pointer ws172.datalinkus.com
[86400] 173.185.111.206.in-addr.arpa. domain name pointer ws173.datalinkus.com
[86400] 174.185.111.206.in-addr.arpa. domain name pointer ws174.datalinkus.com
[86400] 175.185.111.206.in-addr.arpa. domain name pointer ws175.datalinkus.com
[86400] 176.185.111.206.in-addr.arpa. domain name pointer ws176.datalinkus.com
[86400] 177.185.111.206.in-addr.arpa. domain name pointer ws177.datalinkus.com
[86400] 178.185.111.206.in-addr.arpa. domain name pointer ws178.datalinkus.com
[86400] 179.185.111.206.in-addr.arpa. domain name pointer ws179.datalinkus.com
[86400] 180.185.111.206.in-addr.arpa. domain name pointer ws180.datalinkus.com
[86400] 181.185.111.206.in-addr.arpa. domain name pointer ws181.datalinkus.com
[86400] 182.185.111.206.in-addr.arpa. domain name pointer ws182.datalinkus.com
[86400] 183.185.111.206.in-addr.arpa. domain name pointer ws183.datalinkus.com
[86400] 184.185.111.206.in-addr.arpa. domain name pointer ws184.datalinkus.com
[86400] 185.185.111.206.in-addr.arpa. domain name pointer ws185.datalinkus.com
[86400] 186.185.111.206.in-addr.arpa. domain name pointer ws186.datalinkus.com
[86400] 187.185.111.206.in-addr.arpa. domain name pointer ws187.datalinkus.com
[86400] 188.185.111.206.in-addr.arpa. domain name pointer ws188.datalinkus.com
[86400] 189.185.111.206.in-addr.arpa. domain name pointer ws189.datalinkus.com
[86400] 190.185.111.206.in-addr.arpa. domain name pointer ws190.datalinkus.com
[86400] 191.185.111.206.in-addr.arpa. domain name pointer ws191.datalinkus.com
[86400] 192.185.111.206.in-addr.arpa. domain name pointer ws192.datalinkus.com
[86400] 193.185.111.206.in-addr.arpa. domain name pointer ws193.datalinkus.com
[86400] 194.185.111.206.in-addr.arpa. domain name pointer ws194.datalinkus.com
[86400] 195.185.111.206.in-addr.arpa. domain name pointer ws195.datalinkus.com
[86400] 196.185.111.206.in-addr.arpa. domain name pointer ws196.datalinkus.com
[86400] 197.185.111.206.in-addr.arpa. domain name pointer ws197.datalinkus.com
[86400] 198.185.111.206.in-addr.arpa. domain name pointer ws198.datalinkus.com
[86400] 199.185.111.206.in-addr.arpa. domain name pointer ws199.datalinkus.com
[86400] 200.185.111.206.in-addr.arpa. domain name pointer ws200.datalinkus.com
[86400] 201.185.111.206.in-addr.arpa. domain name pointer ws201.datalinkus.com
[86400] 202.185.111.206.in-addr.arpa. domain name pointer ws202.datalinkus.com
[86400] 203.185.111.206.in-addr.arpa. domain name pointer ws203.datalinkus.com
[86400] 204.185.111.206.in-addr.arpa. domain name pointer ws204.datalinkus.com
[86400] 205.185.111.206.in-addr.arpa. domain name pointer ws205.datalinkus.com
[86400] 206.185.111.206.in-addr.arpa. domain name pointer ws206.datalinkus.com
[86400] 207.185.111.206.in-addr.arpa. domain name pointer ws207.datalinkus.com
[86400] 208.185.111.206.in-addr.arpa. domain name pointer ws208.datalinkus.com
[86400] 209.185.111.206.in-addr.arpa. domain name pointer ws209.datalinkus.com
[86400] 210.185.111.206.in-addr.arpa. domain name pointer ws210.datalinkus.com
[86400] 211.185.111.206.in-addr.arpa. domain name pointer ws211.datalinkus.com
[86400] 212.185.111.206.in-addr.arpa. domain name pointer ws212.datalinkus.com
[86400] 213.185.111.206.in-addr.arpa. domain name pointer ws213.datalinkus.com
[86400] 214.185.111.206.in-addr.arpa. domain name pointer ws214.datalinkus.com
[86400] 215.185.111.206.in-addr.arpa. domain name pointer ws215.datalinkus.com
[86400] 216.185.111.206.in-addr.arpa. domain name pointer ws216.datalinkus.com
[86400] 217.185.111.206.in-addr.arpa. domain name pointer ws217.datalinkus.com
[86400] 218.185.111.206.in-addr.arpa. domain name pointer ws218.datalinkus.com
[86400] 219.185.111.206.in-addr.arpa. domain name pointer ws219.datalinkus.com
[86400] 220.185.111.206.in-addr.arpa. domain name pointer ws220.datalinkus.com
[86400] 221.185.111.206.in-addr.arpa. domain name pointer ws221.datalinkus.com
[86400] 222.185.111.206.in-addr.arpa. domain name pointer ws222.datalinkus.com
[86400] 223.185.111.206.in-addr.arpa. domain name pointer ws223.datalinkus.com
[86400] 224.185.111.206.in-addr.arpa. domain name pointer ws224.datalinkus.com
[86400] 225.185.111.206.in-addr.arpa. domain name pointer ws225.datalinkus.com
[86400] 226.185.111.206.in-addr.arpa. domain name pointer ws226.datalinkus.com
[86400] 227.185.111.206.in-addr.arpa. domain name pointer ws227.datalinkus.com
[86400] 228.185.111.206.in-addr.arpa. domain name pointer ws228.datalinkus.com
[86400] 229.185.111.206.in-addr.arpa. domain name pointer ws229.datalinkus.com
[86400] 230.185.111.206.in-addr.arpa. domain name pointer ws230.datalinkus.com
[86400] 231.185.111.206.in-addr.arpa. domain name pointer ws231.datalinkus.com
[86400] 232.185.111.206.in-addr.arpa. domain name pointer ws232.datalinkus.com
[86400] 233.185.111.206.in-addr.arpa. domain name pointer ws233.datalinkus.com
[86400] 234.185.111.206.in-addr.arpa. domain name pointer ws234.datalinkus.com
[86400] 235.185.111.206.in-addr.arpa. domain name pointer ws235.datalinkus.com
[86400] 236.185.111.206.in-addr.arpa. domain name pointer ws236.datalinkus.com
[86400] 237.185.111.206.in-addr.arpa. domain name pointer ws237.datalinkus.com
[86400] 238.185.111.206.in-addr.arpa. domain name pointer ws238.datalinkus.com
[86400] 239.185.111.206.in-addr.arpa. domain name pointer ws239.datalinkus.com
[86400] 240.185.111.206.in-addr.arpa. domain name pointer ws240.datalinkus.com
[86400] 241.185.111.206.in-addr.arpa. domain name pointer ws241.datalinkus.com
[86400] 242.185.111.206.in-addr.arpa. domain name pointer ws242.datalinkus.com
[86400] 243.185.111.206.in-addr.arpa. domain name pointer ws243.datalinkus.com
[86400] 244.185.111.206.in-addr.arpa. domain name pointer ws244.datalinkus.com
[86400] 245.185.111.206.in-addr.arpa. domain name pointer ws245.datalinkus.com
[86400] 246.185.111.206.in-addr.arpa. domain name pointer ws246.datalinkus.com
[86400] 247.185.111.206.in-addr.arpa. domain name pointer ws247.datalinkus.com
[86400] 248.185.111.206.in-addr.arpa. domain name pointer ws248.datalinkus.com
[86400] 249.185.111.206.in-addr.arpa. domain name pointer ws249.datalinkus.com
[86400] 250.185.111.206.in-addr.arpa. domain name pointer ws250.datalinkus.com
[86400] 251.185.111.206.in-addr.arpa. domain name pointer ws251.datalinkus.com
[86400] 252.185.111.206.in-addr.arpa. domain name pointer ws252.datalinkus.com
[86400] 253.185.111.206.in-addr.arpa. domain name pointer ws253.datalinkus.com
[86400] 254.185.111.206.in-addr.arpa. domain name pointer ws254.datalinkus.com
[86400] 255.185.111.206.in-addr.arpa. domain name pointer 206.111.185.255.ptr.us.xo.net