[0] 0.121.175.217.in-addr.arpa.: domain name does not exist
[28800] 1.121.175.217.in-addr.arpa. domain name pointer gw.koping.net
[28800] 2.121.175.217.in-addr.arpa. domain name pointer pc2.net121.koping.net
[28800] 3.121.175.217.in-addr.arpa. domain name pointer pc3.net121.koping.net
[28800] 4.121.175.217.in-addr.arpa. domain name pointer pc4.net121.koping.net
[28800] 5.121.175.217.in-addr.arpa. domain name pointer pc5.net121.koping.net
[28800] 6.121.175.217.in-addr.arpa. domain name pointer pc6.net121.koping.net
[28800] 7.121.175.217.in-addr.arpa. domain name pointer pc7.net121.koping.net
[28800] 8.121.175.217.in-addr.arpa. domain name pointer pc8.net121.koping.net
[28800] 9.121.175.217.in-addr.arpa. domain name pointer pc9.net121.koping.net
[28800] 10.121.175.217.in-addr.arpa. domain name pointer pc10.net121.koping.net
[28800] 11.121.175.217.in-addr.arpa. domain name pointer pc11.net121.koping.net
[28800] 12.121.175.217.in-addr.arpa. domain name pointer pc12.net121.koping.net
[28800] 13.121.175.217.in-addr.arpa. domain name pointer pc13.net121.koping.net
[28800] 14.121.175.217.in-addr.arpa. domain name pointer pc14.net121.koping.net
[28800] 15.121.175.217.in-addr.arpa. domain name pointer pc15.net121.koping.net
[28800] 16.121.175.217.in-addr.arpa. domain name pointer pc16.net121.koping.net
[28800] 17.121.175.217.in-addr.arpa. domain name pointer pc17.net121.koping.net
[28800] 18.121.175.217.in-addr.arpa. domain name pointer pc18.net121.koping.net
[28800] 19.121.175.217.in-addr.arpa. domain name pointer pc19.net121.koping.net mailhub.koping.net
[28800] 20.121.175.217.in-addr.arpa. domain name pointer mailin.koping.net
[28800] 21.121.175.217.in-addr.arpa. domain name pointer mailout.koping.net
[28800] 22.121.175.217.in-addr.arpa. domain name pointer pc22.net121.koping.net
[28800] 23.121.175.217.in-addr.arpa. domain name pointer pc23.net121.koping.net
[28800] 24.121.175.217.in-addr.arpa. domain name pointer pc24.net121.koping.net
[28800] 25.121.175.217.in-addr.arpa. domain name pointer mailin2.koping.net
[28800] 26.121.175.217.in-addr.arpa. domain name pointer mailout2.koping.net
[28800] 27.121.175.217.in-addr.arpa. domain name pointer pc27.net121.koping.net
[28800] 28.121.175.217.in-addr.arpa. domain name pointer pc28.net121.koping.net
[28800] 29.121.175.217.in-addr.arpa. domain name pointer pc29.net121.koping.net
[28800] 30.121.175.217.in-addr.arpa. domain name pointer qnap.koping.net pc30.net121.koping.net
[28800] 31.121.175.217.in-addr.arpa. domain name pointer pc31.net121.koping.net
[28800] 32.121.175.217.in-addr.arpa. domain name pointer pc32.net121.koping.net
[28800] 33.121.175.217.in-addr.arpa. domain name pointer pc33.net121.koping.net
[28800] 34.121.175.217.in-addr.arpa. domain name pointer pc34.net121.koping.net
[28800] 35.121.175.217.in-addr.arpa. domain name pointer pc35.net121.koping.net
[28800] 36.121.175.217.in-addr.arpa. domain name pointer pc36.net121.koping.net
[28800] 37.121.175.217.in-addr.arpa. domain name pointer pc37.net121.koping.net
[28800] 38.121.175.217.in-addr.arpa. domain name pointer pc38.net121.koping.net
[28800] 39.121.175.217.in-addr.arpa. domain name pointer pc39.net121.koping.net
[28800] 40.121.175.217.in-addr.arpa. domain name pointer pc40.net121.koping.net
[28800] 41.121.175.217.in-addr.arpa. domain name pointer pc41.net121.koping.net
[28800] 42.121.175.217.in-addr.arpa. domain name pointer pc42.net121.koping.net
[28800] 43.121.175.217.in-addr.arpa. domain name pointer pc43.net121.koping.net
[28800] 44.121.175.217.in-addr.arpa. domain name pointer pc44.net121.koping.net
[28800] 45.121.175.217.in-addr.arpa. domain name pointer pc45.net121.koping.net
[28800] 46.121.175.217.in-addr.arpa. domain name pointer pc46.net121.koping.net
[28800] 47.121.175.217.in-addr.arpa. domain name pointer pc47.net121.koping.net
[28800] 48.121.175.217.in-addr.arpa. domain name pointer pc48.net121.koping.net
[28800] 49.121.175.217.in-addr.arpa. domain name pointer pc49.net121.koping.net
[28800] 50.121.175.217.in-addr.arpa. domain name pointer pc50.net121.koping.net
[28800] 51.121.175.217.in-addr.arpa. domain name pointer pc51.net121.koping.net
[28800] 52.121.175.217.in-addr.arpa. domain name pointer pc52.net121.koping.net
[28800] 53.121.175.217.in-addr.arpa. domain name pointer pc53.net121.koping.net
[28800] 54.121.175.217.in-addr.arpa. domain name pointer pc54.net121.koping.net ullvitorget.koping.se www.ullvitorget.koping.se
[28800] 55.121.175.217.in-addr.arpa. domain name pointer pc55.net121.koping.net
[28800] 56.121.175.217.in-addr.arpa. domain name pointer pc56.net121.koping.net
[28800] 57.121.175.217.in-addr.arpa. domain name pointer pc57.net121.koping.net
[28800] 58.121.175.217.in-addr.arpa. domain name pointer pc58.net121.koping.net
[28800] 59.121.175.217.in-addr.arpa. domain name pointer pc59.net121.koping.net
[28800] 60.121.175.217.in-addr.arpa. domain name pointer pc60.net121.koping.net
[28800] 61.121.175.217.in-addr.arpa. domain name pointer pc61.net121.koping.net
[28800] 62.121.175.217.in-addr.arpa. domain name pointer skicka.koping.net pc62.net121.koping.net
[28800] 63.121.175.217.in-addr.arpa. domain name pointer pc63.net121.koping.net
[28800] 64.121.175.217.in-addr.arpa. domain name pointer pc64.net121.koping.net
[28800] 65.121.175.217.in-addr.arpa. domain name pointer pc65.net121.koping.net
[28800] 66.121.175.217.in-addr.arpa. domain name pointer pc66.net121.koping.net
[28800] 67.121.175.217.in-addr.arpa. domain name pointer pc67.net121.koping.net
[28800] 68.121.175.217.in-addr.arpa. domain name pointer pc68.net121.koping.net
[28800] 69.121.175.217.in-addr.arpa. domain name pointer pc69.net121.koping.net
[28800] 70.121.175.217.in-addr.arpa. domain name pointer pc70.net121.koping.net
[28800] 71.121.175.217.in-addr.arpa. domain name pointer pc71.net121.koping.net
[28800] 72.121.175.217.in-addr.arpa. domain name pointer pc72.net121.koping.net
[28800] 73.121.175.217.in-addr.arpa. domain name pointer pc73.net121.koping.net
[28800] 74.121.175.217.in-addr.arpa. domain name pointer pc74.net121.koping.net
[28800] 75.121.175.217.in-addr.arpa. domain name pointer pc75.net121.koping.net
[28800] 76.121.175.217.in-addr.arpa. domain name pointer pc76.net121.koping.net
[28800] 77.121.175.217.in-addr.arpa. domain name pointer pc77.net121.koping.net
[28800] 78.121.175.217.in-addr.arpa. domain name pointer pc78.net121.koping.net
[28800] 79.121.175.217.in-addr.arpa. domain name pointer pc79.net121.koping.net
[28800] 80.121.175.217.in-addr.arpa. domain name pointer pc80.net121.koping.net
[28800] 81.121.175.217.in-addr.arpa. domain name pointer pc81.net121.koping.net
[28800] 82.121.175.217.in-addr.arpa. domain name pointer pc82.net121.koping.net
[28800] 83.121.175.217.in-addr.arpa. domain name pointer pc83.net121.koping.net
[28800] 84.121.175.217.in-addr.arpa. domain name pointer pc84.net121.koping.net
[28800] 85.121.175.217.in-addr.arpa. domain name pointer pc85.net121.koping.net
[28800] 86.121.175.217.in-addr.arpa. domain name pointer pc86.net121.koping.net
[28800] 87.121.175.217.in-addr.arpa. domain name pointer pc87.net121.koping.net
[28800] 88.121.175.217.in-addr.arpa. domain name pointer pc88.net121.koping.net
[28800] 89.121.175.217.in-addr.arpa. domain name pointer pc89.net121.koping.net
[28800] 90.121.175.217.in-addr.arpa. domain name pointer pc90.net121.koping.net
[28800] 91.121.175.217.in-addr.arpa. domain name pointer pc91.net121.koping.net
[28800] 92.121.175.217.in-addr.arpa. domain name pointer pc92.net121.koping.net
[28800] 93.121.175.217.in-addr.arpa. domain name pointer pc93.net121.koping.net
[28800] 94.121.175.217.in-addr.arpa. domain name pointer pc94.net121.koping.net
[28800] 95.121.175.217.in-addr.arpa. domain name pointer pc95.net121.koping.net
[28800] 96.121.175.217.in-addr.arpa. domain name pointer pc96.net121.koping.net
[28800] 97.121.175.217.in-addr.arpa. domain name pointer pc97.net121.koping.net
[28800] 98.121.175.217.in-addr.arpa. domain name pointer pc98.net121.koping.net
[28800] 99.121.175.217.in-addr.arpa. domain name pointer pc99.net121.koping.net
[28800] 100.121.175.217.in-addr.arpa. domain name pointer pc100.net121.koping.net
[28800] 101.121.175.217.in-addr.arpa. domain name pointer pc101.net121.koping.net
[28800] 102.121.175.217.in-addr.arpa. domain name pointer pc102.net121.koping.net
[28800] 103.121.175.217.in-addr.arpa. domain name pointer pc103.net121.koping.net
[28800] 104.121.175.217.in-addr.arpa. domain name pointer pc104.net121.koping.net
[28800] 105.121.175.217.in-addr.arpa. domain name pointer pc105.net121.koping.net
[28800] 106.121.175.217.in-addr.arpa. domain name pointer pc106.net121.koping.net
[28800] 107.121.175.217.in-addr.arpa. domain name pointer pc107.net121.koping.net
[28800] 108.121.175.217.in-addr.arpa. domain name pointer pc108.net121.koping.net
[28800] 109.121.175.217.in-addr.arpa. domain name pointer pc109.net121.koping.net
[28800] 110.121.175.217.in-addr.arpa. domain name pointer pc110.net121.koping.net
[28800] 111.121.175.217.in-addr.arpa. domain name pointer pc111.net121.koping.net
[28800] 112.121.175.217.in-addr.arpa. domain name pointer pc112.net121.koping.net
[28800] 113.121.175.217.in-addr.arpa. domain name pointer pc113.net121.koping.net
[28800] 114.121.175.217.in-addr.arpa. domain name pointer pc114.net121.koping.net
[28800] 115.121.175.217.in-addr.arpa. domain name pointer pc115.net121.koping.net
[28800] 116.121.175.217.in-addr.arpa. domain name pointer pc116.net121.koping.net
[28800] 117.121.175.217.in-addr.arpa. domain name pointer pc117.net121.koping.net
[28800] 118.121.175.217.in-addr.arpa. domain name pointer pc118.net121.koping.net
[28800] 119.121.175.217.in-addr.arpa. domain name pointer pc119.net121.koping.net
[28800] 120.121.175.217.in-addr.arpa. domain name pointer pc120.net121.koping.net
[28800] 121.121.175.217.in-addr.arpa. domain name pointer pc121.net121.koping.net
[28800] 122.121.175.217.in-addr.arpa. domain name pointer pc122.net121.koping.net
[28800] 123.121.175.217.in-addr.arpa. domain name pointer pc123.net121.koping.net
[28800] 124.121.175.217.in-addr.arpa. domain name pointer pc124.net121.koping.net
[28800] 125.121.175.217.in-addr.arpa. domain name pointer pc125.net121.koping.net
[28800] 126.121.175.217.in-addr.arpa. domain name pointer pc126.net121.koping.net
[28800] 127.121.175.217.in-addr.arpa. domain name pointer pc127.net121.koping.net
[28800] 128.121.175.217.in-addr.arpa. domain name pointer pc128.net121.koping.net
[28800] 129.121.175.217.in-addr.arpa. domain name pointer pc129.net121.koping.net
[28800] 130.121.175.217.in-addr.arpa. domain name pointer pc130.net121.koping.net
[28800] 131.121.175.217.in-addr.arpa. domain name pointer pc131.net121.koping.net
[28800] 132.121.175.217.in-addr.arpa. domain name pointer pc132.net121.koping.net
[28800] 133.121.175.217.in-addr.arpa. domain name pointer pc133.net121.koping.net
[28800] 134.121.175.217.in-addr.arpa. domain name pointer pc134.net121.koping.net
[28800] 135.121.175.217.in-addr.arpa. domain name pointer pc135.net121.koping.net
[28800] 136.121.175.217.in-addr.arpa. domain name pointer pc136.net121.koping.net
[28800] 137.121.175.217.in-addr.arpa. domain name pointer pc137.net121.koping.net
[28800] 138.121.175.217.in-addr.arpa. domain name pointer pc138.net121.koping.net
[28800] 139.121.175.217.in-addr.arpa. domain name pointer pc139.net121.koping.net
[28800] 140.121.175.217.in-addr.arpa. domain name pointer pc140.net121.koping.net
[28800] 141.121.175.217.in-addr.arpa. domain name pointer pc141.net121.koping.net
[28800] 142.121.175.217.in-addr.arpa. domain name pointer pc142.net121.koping.net
[28800] 143.121.175.217.in-addr.arpa. domain name pointer pc143.net121.koping.net
[28800] 144.121.175.217.in-addr.arpa. domain name pointer pc144.net121.koping.net
[28800] 145.121.175.217.in-addr.arpa. domain name pointer pc145.net121.koping.net
[28800] 146.121.175.217.in-addr.arpa. domain name pointer pc146.net121.koping.net
[28800] 147.121.175.217.in-addr.arpa. domain name pointer pc147.net121.koping.net
[28800] 148.121.175.217.in-addr.arpa. domain name pointer pc148.net121.koping.net
[28800] 149.121.175.217.in-addr.arpa. domain name pointer pc149.net121.koping.net
[28800] 150.121.175.217.in-addr.arpa. domain name pointer pc150.net121.koping.net
[28800] 151.121.175.217.in-addr.arpa. domain name pointer pc151.net121.koping.net
[28800] 152.121.175.217.in-addr.arpa. domain name pointer pc152.net121.koping.net
[28800] 153.121.175.217.in-addr.arpa. domain name pointer pc153.net121.koping.net
[28800] 154.121.175.217.in-addr.arpa. domain name pointer pc154.net121.koping.net
[28800] 155.121.175.217.in-addr.arpa. domain name pointer pc155.net121.koping.net
[28800] 156.121.175.217.in-addr.arpa. domain name pointer pc156.net121.koping.net
[28800] 157.121.175.217.in-addr.arpa. domain name pointer pc157.net121.koping.net
[28800] 158.121.175.217.in-addr.arpa. domain name pointer pc158.net121.koping.net
[28800] 159.121.175.217.in-addr.arpa. domain name pointer pc159.net121.koping.net
[28800] 160.121.175.217.in-addr.arpa. domain name pointer pc160.net121.koping.net
[28800] 161.121.175.217.in-addr.arpa. domain name pointer pc161.net121.koping.net
[28800] 162.121.175.217.in-addr.arpa. domain name pointer pc162.net121.koping.net
[28800] 163.121.175.217.in-addr.arpa. domain name pointer pc163.net121.koping.net
[28800] 164.121.175.217.in-addr.arpa. domain name pointer pc164.net121.koping.net
[28800] 165.121.175.217.in-addr.arpa. domain name pointer pc165.net121.koping.net
[28800] 166.121.175.217.in-addr.arpa. domain name pointer pc166.net121.koping.net
[28800] 167.121.175.217.in-addr.arpa. domain name pointer pc167.net121.koping.net
[28800] 168.121.175.217.in-addr.arpa. domain name pointer pc168.net121.koping.net
[28800] 169.121.175.217.in-addr.arpa. domain name pointer pc169.net121.koping.net
[28800] 170.121.175.217.in-addr.arpa. domain name pointer pc170.net121.koping.net
[28800] 171.121.175.217.in-addr.arpa. domain name pointer pc171.net121.koping.net
[28800] 172.121.175.217.in-addr.arpa. domain name pointer pc172.net121.koping.net
[28800] 173.121.175.217.in-addr.arpa. domain name pointer pc173.net121.koping.net
[28800] 174.121.175.217.in-addr.arpa. domain name pointer pc174.net121.koping.net
[28800] 175.121.175.217.in-addr.arpa. domain name pointer pc175.net121.koping.net
[28800] 176.121.175.217.in-addr.arpa. domain name pointer pc176.net121.koping.net
[28800] 177.121.175.217.in-addr.arpa. domain name pointer pc177.net121.koping.net
[28800] 178.121.175.217.in-addr.arpa. domain name pointer pc178.net121.koping.net
[28800] 179.121.175.217.in-addr.arpa. domain name pointer pc179.net121.koping.net
[28800] 180.121.175.217.in-addr.arpa. domain name pointer pc180.net121.koping.net
[28800] 181.121.175.217.in-addr.arpa. domain name pointer pc181.net121.koping.net
[28800] 182.121.175.217.in-addr.arpa. domain name pointer pc182.net121.koping.net
[28800] 183.121.175.217.in-addr.arpa. domain name pointer pc183.net121.koping.net
[28800] 184.121.175.217.in-addr.arpa. domain name pointer pc184.net121.koping.net
[28800] 185.121.175.217.in-addr.arpa. domain name pointer pc185.net121.koping.net
[28800] 186.121.175.217.in-addr.arpa. domain name pointer pc186.net121.koping.net
[28800] 187.121.175.217.in-addr.arpa. domain name pointer pc187.net121.koping.net
[28800] 188.121.175.217.in-addr.arpa. domain name pointer pc188.net121.koping.net
[28800] 189.121.175.217.in-addr.arpa. domain name pointer pc189.net121.koping.net
[28800] 190.121.175.217.in-addr.arpa. domain name pointer pc190.net121.koping.net
[28800] 191.121.175.217.in-addr.arpa. domain name pointer pc191.net121.koping.net
[28800] 192.121.175.217.in-addr.arpa. domain name pointer pc192.net121.koping.net
[28800] 193.121.175.217.in-addr.arpa. domain name pointer pc193.net121.koping.net
[28800] 194.121.175.217.in-addr.arpa. domain name pointer pc194.net121.koping.net
[28800] 195.121.175.217.in-addr.arpa. domain name pointer pc195.net121.koping.net
[28800] 196.121.175.217.in-addr.arpa. domain name pointer pc196.net121.koping.net
[28800] 197.121.175.217.in-addr.arpa. domain name pointer pc197.net121.koping.net
[28800] 198.121.175.217.in-addr.arpa. domain name pointer pc198.net121.koping.net
[28800] 199.121.175.217.in-addr.arpa. domain name pointer pc199.net121.koping.net
[28800] 200.121.175.217.in-addr.arpa. domain name pointer pc200.net121.koping.net
[28800] 201.121.175.217.in-addr.arpa. domain name pointer pc201.net121.koping.net
[28800] 202.121.175.217.in-addr.arpa. domain name pointer pc202.net121.koping.net
[28800] 203.121.175.217.in-addr.arpa. domain name pointer pc203.net121.koping.net
[28800] 204.121.175.217.in-addr.arpa. domain name pointer pc204.net121.koping.net
[28800] 205.121.175.217.in-addr.arpa. domain name pointer pc205.net121.koping.net
[28800] 206.121.175.217.in-addr.arpa. domain name pointer pc206.net121.koping.net
[28800] 207.121.175.217.in-addr.arpa. domain name pointer pc207.net121.koping.net
[28800] 208.121.175.217.in-addr.arpa. domain name pointer pc208.net121.koping.net
[28800] 209.121.175.217.in-addr.arpa. domain name pointer pc209.net121.koping.net
[28800] 210.121.175.217.in-addr.arpa. domain name pointer pc210.net121.koping.net
[28800] 211.121.175.217.in-addr.arpa. domain name pointer pc211.net121.koping.net
[28800] 212.121.175.217.in-addr.arpa. domain name pointer pc212.net121.koping.net
[28800] 213.121.175.217.in-addr.arpa. domain name pointer pc213.net121.koping.net
[28800] 214.121.175.217.in-addr.arpa. domain name pointer pc214.net121.koping.net
[28800] 215.121.175.217.in-addr.arpa. domain name pointer pc215.net121.koping.net
[28800] 216.121.175.217.in-addr.arpa. domain name pointer pc216.net121.koping.net
[28800] 217.121.175.217.in-addr.arpa. domain name pointer pc217.net121.koping.net
[28800] 218.121.175.217.in-addr.arpa. domain name pointer pc218.net121.koping.net
[28800] 219.121.175.217.in-addr.arpa. domain name pointer pc219.net121.koping.net
[28800] 220.121.175.217.in-addr.arpa. domain name pointer pc220.net121.koping.net
[28800] 221.121.175.217.in-addr.arpa. domain name pointer pc221.net121.koping.net
[28800] 222.121.175.217.in-addr.arpa. domain name pointer pc222.net121.koping.net
[28800] 223.121.175.217.in-addr.arpa. domain name pointer pc223.net121.koping.net
[28800] 224.121.175.217.in-addr.arpa. domain name pointer pc224.net121.koping.net
[28800] 225.121.175.217.in-addr.arpa. domain name pointer pc225.net121.koping.net
[28800] 226.121.175.217.in-addr.arpa. domain name pointer pc226.net121.koping.net
[28800] 227.121.175.217.in-addr.arpa. domain name pointer pc227.net121.koping.net
[28800] 228.121.175.217.in-addr.arpa. domain name pointer pc228.net121.koping.net
[28800] 229.121.175.217.in-addr.arpa. domain name pointer pc229.net121.koping.net
[28800] 230.121.175.217.in-addr.arpa. domain name pointer pc230.net121.koping.net
[28800] 231.121.175.217.in-addr.arpa. domain name pointer pc231.net121.koping.net
[28800] 232.121.175.217.in-addr.arpa. domain name pointer pc232.net121.koping.net
[28800] 233.121.175.217.in-addr.arpa. domain name pointer pc233.net121.koping.net
[28800] 234.121.175.217.in-addr.arpa. domain name pointer pc234.net121.koping.net
[28800] 235.121.175.217.in-addr.arpa. domain name pointer pc235.net121.koping.net
[28800] 236.121.175.217.in-addr.arpa. domain name pointer pc236.net121.koping.net
[28800] 237.121.175.217.in-addr.arpa. domain name pointer pc237.net121.koping.net
[28800] 238.121.175.217.in-addr.arpa. domain name pointer pc238.net121.koping.net
[28800] 239.121.175.217.in-addr.arpa. domain name pointer pc239.net121.koping.net
[28800] 240.121.175.217.in-addr.arpa. domain name pointer pc240.net121.koping.net
[28800] 241.121.175.217.in-addr.arpa. domain name pointer pc241.net121.koping.net
[28800] 242.121.175.217.in-addr.arpa. domain name pointer pc242.net121.koping.net
[28800] 243.121.175.217.in-addr.arpa. domain name pointer pc243.net121.koping.net
[28800] 244.121.175.217.in-addr.arpa. domain name pointer pc244.net121.koping.net
[28800] 245.121.175.217.in-addr.arpa. domain name pointer pc245.net121.koping.net
[28800] 246.121.175.217.in-addr.arpa. domain name pointer pc246.net121.koping.net
[28800] 247.121.175.217.in-addr.arpa. domain name pointer pc247.net121.koping.net
[28800] 248.121.175.217.in-addr.arpa. domain name pointer pc248.net121.koping.net
[28800] 249.121.175.217.in-addr.arpa. domain name pointer pc249.net121.koping.net
[28800] 250.121.175.217.in-addr.arpa. domain name pointer pc250.net121.koping.net
[28800] 251.121.175.217.in-addr.arpa. domain name pointer pc251.net121.koping.net
[28800] 252.121.175.217.in-addr.arpa. domain name pointer pc252.net121.koping.net
[28800] 253.121.175.217.in-addr.arpa. domain name pointer pc253.net121.koping.net
[28800] 254.121.175.217.in-addr.arpa. domain name pointer pc254.net121.koping.net
[0] 255.121.175.217.in-addr.arpa.: domain name does not exist