[1801] 0.17.173.131.in-addr.arpa. domain name pointer vm412.rz.uni-osnabrueck.de smtp-auth-2.serv.uni-osnabrueck.de
[1801] 1.17.173.131.in-addr.arpa. domain name pointer vm483.rz.uni-osnabrueck.de
[1801] 2.17.173.131.in-addr.arpa. domain name pointer vm640.rz.uni-osnabrueck.de
[1801] 3.17.173.131.in-addr.arpa. domain name pointer vm641.rz.uni-osnabrueck.de
[1801] 4.17.173.131.in-addr.arpa. domain name pointer vm560.rz.uni-osnabrueck.de
[1801] 5.17.173.131.in-addr.arpa. domain name pointer vm413.rz.uni-osnabrueck.de
[3600] 6.17.173.131.in-addr.arpa. domain name pointer vm056.rz.uni-osnabrueck.de
[1801] 7.17.173.131.in-addr.arpa. domain name pointer b19f01.rz.uni-osnabrueck.de
[3600] 8.17.173.131.in-addr.arpa. domain name pointer vm057.rz.uni-osnabrueck.de
[1801] 9.17.173.131.in-addr.arpa. domain name pointer a20n11.rz.uni-osnabrueck.de compute.serv.uni-osnabrueck.de compute-1.serv.uni-osnabrueck.de
[1801] 10.17.173.131.in-addr.arpa. domain name pointer b19f01-1.rz.uni-osnabrueck.de
[1801] 11.17.173.131.in-addr.arpa. domain name pointer vm642.rz.uni-osnabrueck.de
[1801] 12.17.173.131.in-addr.arpa. domain name pointer vm175.rz.uni-osnabrueck.de
[1801] 13.17.173.131.in-addr.arpa. domain name pointer vm645.rz.uni-osnabrueck.de
[1801] 14.17.173.131.in-addr.arpa. domain name pointer b19f01-2.rz.uni-osnabrueck.de
[1801] 15.17.173.131.in-addr.arpa. domain name pointer a20n02.rz.uni-osnabrueck.de
[1801] 16.17.173.131.in-addr.arpa. domain name pointer radius.uni-osnabrueck.de
[1801] 17.17.173.131.in-addr.arpa. domain name pointer vm484.rz.uni-osnabrueck.de
[1801] 18.17.173.131.in-addr.arpa. domain name pointer vm176.rz.uni-osnabrueck.de
[0] 19.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 20.17.173.131.in-addr.arpa. domain name pointer vm485.rz.uni-osnabrueck.de
[3600] 21.17.173.131.in-addr.arpa. domain name pointer vm043.rz.uni-osnabrueck.de
[1801] 22.17.173.131.in-addr.arpa. domain name pointer vm647.rz.uni-osnabrueck.de
[1801] 23.17.173.131.in-addr.arpa. domain name pointer vm313.rz.uni-osnabrueck.de
[1801] 24.17.173.131.in-addr.arpa. domain name pointer b17n01.rz.uni-osnabrueck.de
[3600] 25.17.173.131.in-addr.arpa. domain name pointer vm046.rz.uni-osnabrueck.de
[1801] 26.17.173.131.in-addr.arpa. domain name pointer vm650.rz.uni-osnabrueck.de
[1801] 27.17.173.131.in-addr.arpa. domain name pointer b19f02.rz.uni-osnabrueck.de
[1801] 28.17.173.131.in-addr.arpa. domain name pointer v7kb-ces2.rz.uni-osnabrueck.de
[1801] 29.17.173.131.in-addr.arpa. domain name pointer vm271.rz.uni-osnabrueck.de
[3600] 30.17.173.131.in-addr.arpa. domain name pointer vm062.rz.uni-osnabrueck.de
[1801] 31.17.173.131.in-addr.arpa. domain name pointer b19f02-1.rz.uni-osnabrueck.de
[3600] 32.17.173.131.in-addr.arpa. domain name pointer vm063.rz.uni-osnabrueck.de
[3600] 33.17.173.131.in-addr.arpa. domain name pointer vm064.rz.uni-osnabrueck.de
[1801] 34.17.173.131.in-addr.arpa. domain name pointer b19f02-2.rz.uni-osnabrueck.de
[3600] 35.17.173.131.in-addr.arpa. domain name pointer vm065.rz.uni-osnabrueck.de
[1801] 36.17.173.131.in-addr.arpa. domain name pointer b19f01-1-rac.rz.uni-osnabrueck.de
[1801] 37.17.173.131.in-addr.arpa. domain name pointer b19f01-2-rac.rz.uni-osnabrueck.de
[1801] 38.17.173.131.in-addr.arpa. domain name pointer vm486.rz.uni-osnabrueck.de
[1801] 39.17.173.131.in-addr.arpa. domain name pointer b19f02-1-rac.rz.uni-osnabrueck.de
[1801] 40.17.173.131.in-addr.arpa. domain name pointer b19f02-2-rac.rz.uni-osnabrueck.de
[1801] 41.17.173.131.in-addr.arpa. domain name pointer vm276.rz.uni-osnabrueck.de
[1801] 42.17.173.131.in-addr.arpa. domain name pointer vm277.rz.uni-osnabrueck.de
[1801] 43.17.173.131.in-addr.arpa. domain name pointer vm278.rz.uni-osnabrueck.de
[1801] 44.17.173.131.in-addr.arpa. domain name pointer vm279.rz.uni-osnabrueck.de
[1801] 45.17.173.131.in-addr.arpa. domain name pointer vm706.rz.uni-osnabrueck.de
[1801] 46.17.173.131.in-addr.arpa. domain name pointer vm707.rz.uni-osnabrueck.de
[1801] 47.17.173.131.in-addr.arpa. domain name pointer radius.uni-osnabrueck.de
[1801] 48.17.173.131.in-addr.arpa. domain name pointer bcn04.rz.uni-osnabrueck.de
[1801] 49.17.173.131.in-addr.arpa. domain name pointer vm185.rz.uni-osnabrueck.de
[1801] 50.17.173.131.in-addr.arpa. domain name pointer www-proxy-test.rz.uni-osnabrueck.de search-test.rz.uni-osnabrueck.de
[1801] 51.17.173.131.in-addr.arpa. domain name pointer fs9-1.rz.uni-osnabrueck.de
[1801] 52.17.173.131.in-addr.arpa. domain name pointer vs1newghost.rz.uni-osnabrueck.de
[3600] 53.17.173.131.in-addr.arpa. domain name pointer vm069.rz.uni-osnabrueck.de
[1801] 54.17.173.131.in-addr.arpa. domain name pointer vm553.rz.uni-osnabrueck.de
[1801] 55.17.173.131.in-addr.arpa. domain name pointer vm729.rz.uni-osnabrueck.de
[1801] 56.17.173.131.in-addr.arpa. domain name pointer fs9-2.rz.uni-osnabrueck.de
[0] 57.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 58.17.173.131.in-addr.arpa. domain name pointer vm554.rz.uni-osnabrueck.de
[1801] 59.17.173.131.in-addr.arpa. domain name pointer fs9-3.rz.uni-osnabrueck.de
[1801] 60.17.173.131.in-addr.arpa. domain name pointer tsm2g.rz.uni-osnabrueck.de
[1801] 61.17.173.131.in-addr.arpa. domain name pointer vm128.rz.uni-osnabrueck.de
[0] 62.17.173.131.in-addr.arpa.: domain name does not exist
[0] 63.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 64.17.173.131.in-addr.arpa. domain name pointer vm187.rz.uni-osnabrueck.de
[1801] 65.17.173.131.in-addr.arpa. domain name pointer vm188.rz.uni-osnabrueck.de
[0] 66.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 67.17.173.131.in-addr.arpa. domain name pointer fs9-4.rz.uni-osnabrueck.de
[1801] 68.17.173.131.in-addr.arpa. domain name pointer vm450.rz.uni-osnabrueck.de
[0] 69.17.173.131.in-addr.arpa.: domain name does not exist
[0] 70.17.173.131.in-addr.arpa.: domain name does not exist
[3600] 71.17.173.131.in-addr.arpa. domain name pointer vm061.rz.uni-osnabrueck.de
[0] 72.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 73.17.173.131.in-addr.arpa. domain name pointer vm027.rz.uni-osnabrueck.de
[0] 74.17.173.131.in-addr.arpa.: domain name does not exist
[0] 75.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 76.17.173.131.in-addr.arpa. domain name pointer vm189.rz.uni-osnabrueck.de
[0] 77.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 78.17.173.131.in-addr.arpa. domain name pointer vm193.rz.uni-osnabrueck.de
[1801] 79.17.173.131.in-addr.arpa. domain name pointer vm319.rz.uni-osnabrueck.de
[0] 80.17.173.131.in-addr.arpa.: domain name does not exist
[0] 81.17.173.131.in-addr.arpa.: domain name does not exist
[0] 82.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 83.17.173.131.in-addr.arpa. domain name pointer myuos.uni-osnabrueck.de myuos.de
[0] 84.17.173.131.in-addr.arpa.: domain name does not exist
[0] 85.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 86.17.173.131.in-addr.arpa. domain name pointer vm510.rz.uni-osnabrueck.de
[1801] 87.17.173.131.in-addr.arpa. domain name pointer vm465.rz.uni-osnabrueck.de
[0] 88.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 89.17.173.131.in-addr.arpa. domain name pointer vm291.rz.uni-osnabrueck.de
[0] 90.17.173.131.in-addr.arpa.: domain name does not exist
[0] 91.17.173.131.in-addr.arpa.: domain name does not exist
[0] 92.17.173.131.in-addr.arpa.: domain name does not exist
[0] 93.17.173.131.in-addr.arpa.: domain name does not exist
[0] 94.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 95.17.173.131.in-addr.arpa. domain name pointer tftp.rz.uni-osnabrueck.de
[1801] 96.17.173.131.in-addr.arpa. domain name pointer mail-in-safe.rz.uni-osnabrueck.de
[0] 97.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 98.17.173.131.in-addr.arpa. domain name pointer studip-lb.rz.uni-osnabrueck.de
[3600] 99.17.173.131.in-addr.arpa. domain name pointer vm073.rz.uni-osnabrueck.de
[0] 100.17.173.131.in-addr.arpa.: domain name does not exist
[0] 101.17.173.131.in-addr.arpa.: domain name does not exist
[0] 102.17.173.131.in-addr.arpa.: domain name does not exist
[0] 103.17.173.131.in-addr.arpa.: domain name does not exist
[0] 104.17.173.131.in-addr.arpa.: domain name does not exist
[0] 105.17.173.131.in-addr.arpa.: domain name does not exist
[0] 106.17.173.131.in-addr.arpa.: domain name does not exist
[0] 107.17.173.131.in-addr.arpa.: domain name does not exist
[0] 108.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 109.17.173.131.in-addr.arpa. domain name pointer b21n01.rz.uni-osnabrueck.de
[1801] 110.17.173.131.in-addr.arpa. domain name pointer b21n03.rz.uni-osnabrueck.de
[1801] 111.17.173.131.in-addr.arpa. domain name pointer vm356.rz.uni-osnabrueck.de
[1801] 112.17.173.131.in-addr.arpa. domain name pointer vm357.rz.uni-osnabrueck.de
[0] 113.17.173.131.in-addr.arpa.: domain name does not exist
[0] 114.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 115.17.173.131.in-addr.arpa. domain name pointer vm466.rz.uni-osnabrueck.de
[0] 116.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 117.17.173.131.in-addr.arpa. domain name pointer vm467.rz.uni-osnabrueck.de
[1801] 118.17.173.131.in-addr.arpa. domain name pointer vm468.rz.uni-osnabrueck.de
[1801] 119.17.173.131.in-addr.arpa. domain name pointer vm469.rz.uni-osnabrueck.de
[1801] 120.17.173.131.in-addr.arpa. domain name pointer vm470.rz.uni-osnabrueck.de
[1801] 121.17.173.131.in-addr.arpa. domain name pointer vm359.rz.uni-osnabrueck.de
[1801] 122.17.173.131.in-addr.arpa. domain name pointer vm360.rz.uni-osnabrueck.de
[1801] 123.17.173.131.in-addr.arpa. domain name pointer vm471.rz.uni-osnabrueck.de
[0] 124.17.173.131.in-addr.arpa.: domain name does not exist
[0] 125.17.173.131.in-addr.arpa.: domain name does not exist
[0] 126.17.173.131.in-addr.arpa.: domain name does not exist
[0] 127.17.173.131.in-addr.arpa.: domain name does not exist
[0] 128.17.173.131.in-addr.arpa.: domain name does not exist
[0] 129.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 130.17.173.131.in-addr.arpa. domain name pointer vm472.rz.uni-osnabrueck.de
[1801] 131.17.173.131.in-addr.arpa. domain name pointer vm258.rz.uni-osnabrueck.de
[0] 132.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 133.17.173.131.in-addr.arpa. domain name pointer vm473.rz.uni-osnabrueck.de
[0] 134.17.173.131.in-addr.arpa.: domain name does not exist
[0] 135.17.173.131.in-addr.arpa.: domain name does not exist
[0] 136.17.173.131.in-addr.arpa.: domain name does not exist
[0] 137.17.173.131.in-addr.arpa.: domain name does not exist
[0] 138.17.173.131.in-addr.arpa.: domain name does not exist
[0] 139.17.173.131.in-addr.arpa.: domain name does not exist
[0] 140.17.173.131.in-addr.arpa.: domain name does not exist
[0] 141.17.173.131.in-addr.arpa.: domain name does not exist
[0] 142.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 143.17.173.131.in-addr.arpa. domain name pointer eth0.b11n11.rz.uni-osnabrueck.de
[1801] 144.17.173.131.in-addr.arpa. domain name pointer vm374.rz.uni-osnabrueck.de
[0] 145.17.173.131.in-addr.arpa.: domain name does not exist
[0] 146.17.173.131.in-addr.arpa.: domain name does not exist
[0] 147.17.173.131.in-addr.arpa.: domain name does not exist
[0] 148.17.173.131.in-addr.arpa.: domain name does not exist
[0] 149.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 150.17.173.131.in-addr.arpa. domain name pointer vm440.rz.uni-osnabrueck.de
[0] 151.17.173.131.in-addr.arpa.: domain name does not exist
[0] 152.17.173.131.in-addr.arpa.: domain name does not exist
[0] 153.17.173.131.in-addr.arpa.: domain name does not exist
[0] 154.17.173.131.in-addr.arpa.: domain name does not exist
[0] 155.17.173.131.in-addr.arpa.: domain name does not exist
[0] 156.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 157.17.173.131.in-addr.arpa. domain name pointer eth0.b11n03.rz.uni-osnabrueck.de
[1801] 158.17.173.131.in-addr.arpa. domain name pointer vm451.rz.uni-osnabrueck.de
[1801] 159.17.173.131.in-addr.arpa. domain name pointer eth0.b11n05.rz.uni-osnabrueck.de
[0] 160.17.173.131.in-addr.arpa.: domain name does not exist
[3600] 161.17.173.131.in-addr.arpa. domain name pointer vm060.rz.uni-osnabrueck.de
[1801] 162.17.173.131.in-addr.arpa. domain name pointer sop.rz.uni-osnabrueck.de
[0] 163.17.173.131.in-addr.arpa.: domain name does not exist
[0] 164.17.173.131.in-addr.arpa.: domain name does not exist
[0] 165.17.173.131.in-addr.arpa.: domain name does not exist
[0] 166.17.173.131.in-addr.arpa.: domain name does not exist
[0] 167.17.173.131.in-addr.arpa.: domain name does not exist
[0] 168.17.173.131.in-addr.arpa.: domain name does not exist
[0] 169.17.173.131.in-addr.arpa.: domain name does not exist
[0] 170.17.173.131.in-addr.arpa.: domain name does not exist
[0] 171.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 172.17.173.131.in-addr.arpa. domain name pointer a21n11.rz.uni-osnabrueck.de
[1801] 173.17.173.131.in-addr.arpa. domain name pointer vm474.rz.uni-osnabrueck.de
[0] 174.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 175.17.173.131.in-addr.arpa. domain name pointer vm199.rz.uni-osnabrueck.de
[0] 176.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 177.17.173.131.in-addr.arpa. domain name pointer ossun1.ub.uni-osnabrueck.de
[0] 178.17.173.131.in-addr.arpa.: domain name does not exist
[0] 179.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 180.17.173.131.in-addr.arpa. domain name pointer lhlbs.ub.uni-osnabrueck.de
[0] 181.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 182.17.173.131.in-addr.arpa. domain name pointer vm397.rz.uni-osnabrueck.de
[300] 183.17.173.131.in-addr.arpa. domain name pointer lbsold.ub.uni-osnabrueck.de
[300] 184.17.173.131.in-addr.arpa. domain name pointer vhsyb.ub.uni-osnabrueck.de
[0] 185.17.173.131.in-addr.arpa.: domain name does not exist
[300] 186.17.173.131.in-addr.arpa. domain name pointer vhweb.ub.uni-osnabrueck.de
[0] 187.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 188.17.173.131.in-addr.arpa. domain name pointer b13n09-1001.rz.uni-osnabrueck.de
[1801] 189.17.173.131.in-addr.arpa. domain name pointer ossun3.ub.uni-osnabrueck.de
[1801] 190.17.173.131.in-addr.arpa. domain name pointer server1.ub.uni-osnabrueck.de
[1801] 191.17.173.131.in-addr.arpa. domain name pointer ossun2.ub.uni-osnabrueck.de
[1801] 192.17.173.131.in-addr.arpa. domain name pointer ossun5.ub.uni-osnabrueck.de
[1801] 193.17.173.131.in-addr.arpa. domain name pointer ossun4.ub.uni-osnabrueck.de
[1801] 194.17.173.131.in-addr.arpa. domain name pointer vm003.rz.uni-osnabrueck.de
[1801] 195.17.173.131.in-addr.arpa. domain name pointer vm004.rz.uni-osnabrueck.de
[0] 196.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 197.17.173.131.in-addr.arpa. domain name pointer vm409.rz.uni-osnabrueck.de
[1801] 198.17.173.131.in-addr.arpa. domain name pointer vm378.rz.uni-osnabrueck.de
[1801] 199.17.173.131.in-addr.arpa. domain name pointer vm593.rz.uni-osnabrueck.de
[0] 200.17.173.131.in-addr.arpa.: domain name does not exist
[0] 201.17.173.131.in-addr.arpa.: domain name does not exist
[0] 202.17.173.131.in-addr.arpa.: domain name does not exist
[0] 203.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 204.17.173.131.in-addr.arpa. domain name pointer vm384.rz.uni-osnabrueck.de
[1801] 205.17.173.131.in-addr.arpa. domain name pointer vm206.rz.uni-osnabrueck.de
[1801] 206.17.173.131.in-addr.arpa. domain name pointer vm234.rz.uni-osnabrueck.de
[1801] 207.17.173.131.in-addr.arpa. domain name pointer vm235.rz.uni-osnabrueck.de
[1801] 208.17.173.131.in-addr.arpa. domain name pointer vm236.rz.uni-osnabrueck.de
[0] 209.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 210.17.173.131.in-addr.arpa. domain name pointer vm245.rz.uni-osnabrueck.de
[0] 211.17.173.131.in-addr.arpa.: domain name does not exist
[0] 212.17.173.131.in-addr.arpa.: domain name does not exist
[0] 213.17.173.131.in-addr.arpa.: domain name does not exist
[0] 214.17.173.131.in-addr.arpa.: domain name does not exist
[0] 215.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 216.17.173.131.in-addr.arpa. domain name pointer iuk-www.diverse.uni-osnabrueck.de
[300] 217.17.173.131.in-addr.arpa. domain name pointer www.studienfuehrer.uni-osnabrueck.de
[0] 218.17.173.131.in-addr.arpa.: domain name does not exist
[300] 219.17.173.131.in-addr.arpa. domain name pointer www2.uni-osnabrueck.de
[300] 220.17.173.131.in-addr.arpa. domain name pointer www.hms.uni-osnabrueck.de www.blk.uni-osnabrueck.de www.uniges.uni-osnabrueck.de www.sommeruni.uni-osnabrueck.de
[0] 221.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 222.17.173.131.in-addr.arpa. domain name pointer vm255.rz.uni-osnabrueck.de
[0] 223.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 224.17.173.131.in-addr.arpa. domain name pointer vm260.rz.uni-osnabrueck.de
[1801] 225.17.173.131.in-addr.arpa. domain name pointer vm511.rz.uni-osnabrueck.de
[1801] 226.17.173.131.in-addr.arpa. domain name pointer vm261.rz.uni-osnabrueck.de
[0] 227.17.173.131.in-addr.arpa.: domain name does not exist
[0] 228.17.173.131.in-addr.arpa.: domain name does not exist
[0] 229.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 230.17.173.131.in-addr.arpa. domain name pointer vm249.rz.uni-osnabrueck.de
[1801] 231.17.173.131.in-addr.arpa. domain name pointer vm410.rz.uni-osnabrueck.de
[0] 232.17.173.131.in-addr.arpa.: domain name does not exist
[0] 233.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 234.17.173.131.in-addr.arpa. domain name pointer elearning-rztest.hs-osnabrueck.de
[0] 235.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 236.17.173.131.in-addr.arpa. domain name pointer vm449.rz.uni-osnabrueck.de
[1801] 237.17.173.131.in-addr.arpa. domain name pointer vm492.rz.uni-osnabrueck.de
[0] 238.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 239.17.173.131.in-addr.arpa. domain name pointer ripe-ncc01.net.uni-osnabrueck.de
[0] 240.17.173.131.in-addr.arpa.: domain name does not exist
[0] 241.17.173.131.in-addr.arpa.: domain name does not exist
[0] 242.17.173.131.in-addr.arpa.: domain name does not exist
[0] 243.17.173.131.in-addr.arpa.: domain name does not exist
[0] 244.17.173.131.in-addr.arpa.: domain name does not exist
[0] 245.17.173.131.in-addr.arpa.: domain name does not exist
[0] 246.17.173.131.in-addr.arpa.: domain name does not exist
[0] 247.17.173.131.in-addr.arpa.: domain name does not exist
[0] 248.17.173.131.in-addr.arpa.: domain name does not exist
[0] 249.17.173.131.in-addr.arpa.: domain name does not exist
[0] 250.17.173.131.in-addr.arpa.: domain name does not exist
[0] 251.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 252.17.173.131.in-addr.arpa. domain name pointer vm404.rz.uni-osnabrueck.de
[0] 253.17.173.131.in-addr.arpa.: domain name does not exist
[0] 254.17.173.131.in-addr.arpa.: domain name does not exist
[1801] 255.17.173.131.in-addr.arpa. domain name pointer www4g.rz.uni-osnabrueck.de