[0] 0.54.124.219.in-addr.arpa.: domain name does not exist
[7200] 1.54.124.219.in-addr.arpa. domain name pointer CiscoMito.hidecnet.ne.jp
[7200] 2.54.124.219.in-addr.arpa. domain name pointer m-nmc.hidecnet.ne.jp
[7200] 3.54.124.219.in-addr.arpa. domain name pointer m-harc.hidecnet.ne.jp
[7200] 4.54.124.219.in-addr.arpa. domain name pointer m-hub.hidecnet.ne.jp
[7200] 5.54.124.219.in-addr.arpa. domain name pointer m-ups.hidecnet.ne.jp
[7200] 6.54.124.219.in-addr.arpa. domain name pointer m-shareups.hidecnet.ne.jp
[7200] 7.54.124.219.in-addr.arpa. domain name pointer YamahaToOarai.hidecnet.ne.jp
[7200] 8.54.124.219.in-addr.arpa. domain name pointer ibbn-mito.hidecnet.ne.jp
[7200] 9.54.124.219.in-addr.arpa. domain name pointer mitoshiten.hidec.co.jp
[0] 10.54.124.219.in-addr.arpa.: domain name does not exist
[0] 11.54.124.219.in-addr.arpa.: domain name does not exist
[0] 12.54.124.219.in-addr.arpa.: domain name does not exist
[0] 13.54.124.219.in-addr.arpa.: domain name does not exist
[0] 14.54.124.219.in-addr.arpa.: domain name does not exist
[0] 15.54.124.219.in-addr.arpa.: domain name does not exist
[7200] 16.54.124.219.in-addr.arpa. domain name pointer m-ppp001.hidecnet.ne.jp
[7200] 17.54.124.219.in-addr.arpa. domain name pointer m-ppp002.hidecnet.ne.jp
[7200] 18.54.124.219.in-addr.arpa. domain name pointer m-ppp003.hidecnet.ne.jp
[7200] 19.54.124.219.in-addr.arpa. domain name pointer m-ppp004.hidecnet.ne.jp
[7200] 20.54.124.219.in-addr.arpa. domain name pointer m-ppp005.hidecnet.ne.jp
[7200] 21.54.124.219.in-addr.arpa. domain name pointer m-ppp006.hidecnet.ne.jp
[7200] 22.54.124.219.in-addr.arpa. domain name pointer m-ppp007.hidecnet.ne.jp
[7200] 23.54.124.219.in-addr.arpa. domain name pointer m-ppp008.hidecnet.ne.jp
[7200] 24.54.124.219.in-addr.arpa. domain name pointer m-ppp009.hidecnet.ne.jp
[7200] 25.54.124.219.in-addr.arpa. domain name pointer m-ppp010.hidecnet.ne.jp
[7200] 26.54.124.219.in-addr.arpa. domain name pointer m-ppp011.hidecnet.ne.jp
[7200] 27.54.124.219.in-addr.arpa. domain name pointer m-ppp012.hidecnet.ne.jp
[7200] 28.54.124.219.in-addr.arpa. domain name pointer m-ppp013.hidecnet.ne.jp
[7200] 29.54.124.219.in-addr.arpa. domain name pointer m-ppp014.hidecnet.ne.jp
[7200] 30.54.124.219.in-addr.arpa. domain name pointer m-ppp015.hidecnet.ne.jp
[7200] 31.54.124.219.in-addr.arpa. domain name pointer m-ppp016.hidecnet.ne.jp
[7200] 32.54.124.219.in-addr.arpa. domain name pointer m-ppp017.hidecnet.ne.jp
[7200] 33.54.124.219.in-addr.arpa. domain name pointer m-ppp018.hidecnet.ne.jp
[7200] 34.54.124.219.in-addr.arpa. domain name pointer m-ppp019.hidecnet.ne.jp
[7200] 35.54.124.219.in-addr.arpa. domain name pointer m-ppp020.hidecnet.ne.jp
[7200] 36.54.124.219.in-addr.arpa. domain name pointer m-ppp021.hidecnet.ne.jp
[7200] 37.54.124.219.in-addr.arpa. domain name pointer m-ppp022.hidecnet.ne.jp
[7200] 38.54.124.219.in-addr.arpa. domain name pointer m-ppp023.hidecnet.ne.jp
[7200] 39.54.124.219.in-addr.arpa. domain name pointer m-ppp024.hidecnet.ne.jp
[7200] 40.54.124.219.in-addr.arpa. domain name pointer m-ppp025.hidecnet.ne.jp
[7200] 41.54.124.219.in-addr.arpa. domain name pointer m-ppp026.hidecnet.ne.jp
[7200] 42.54.124.219.in-addr.arpa. domain name pointer m-ppp027.hidecnet.ne.jp
[7200] 43.54.124.219.in-addr.arpa. domain name pointer m-ppp028.hidecnet.ne.jp
[7200] 44.54.124.219.in-addr.arpa. domain name pointer m-ppp029.hidecnet.ne.jp
[7200] 45.54.124.219.in-addr.arpa. domain name pointer m-ppp030.hidecnet.ne.jp
[7200] 46.54.124.219.in-addr.arpa. domain name pointer m-ppp031.hidecnet.ne.jp
[7200] 47.54.124.219.in-addr.arpa. domain name pointer m-ppp032.hidecnet.ne.jp
[7200] 48.54.124.219.in-addr.arpa. domain name pointer m-ppp033.hidecnet.ne.jp
[7200] 49.54.124.219.in-addr.arpa. domain name pointer m-ppp034.hidecnet.ne.jp
[7200] 50.54.124.219.in-addr.arpa. domain name pointer m-ppp035.hidecnet.ne.jp
[7200] 51.54.124.219.in-addr.arpa. domain name pointer m-ppp036.hidecnet.ne.jp
[7200] 52.54.124.219.in-addr.arpa. domain name pointer m-ppp037.hidecnet.ne.jp
[7200] 53.54.124.219.in-addr.arpa. domain name pointer m-ppp038.hidecnet.ne.jp
[7200] 54.54.124.219.in-addr.arpa. domain name pointer m-ppp039.hidecnet.ne.jp
[7200] 55.54.124.219.in-addr.arpa. domain name pointer m-ppp040.hidecnet.ne.jp
[7200] 56.54.124.219.in-addr.arpa. domain name pointer m-ppp041.hidecnet.ne.jp
[7200] 57.54.124.219.in-addr.arpa. domain name pointer m-ppp042.hidecnet.ne.jp
[7200] 58.54.124.219.in-addr.arpa. domain name pointer m-ppp043.hidecnet.ne.jp
[7200] 59.54.124.219.in-addr.arpa. domain name pointer m-ppp044.hidecnet.ne.jp
[7200] 60.54.124.219.in-addr.arpa. domain name pointer m-ppp045.hidecnet.ne.jp
[7200] 61.54.124.219.in-addr.arpa. domain name pointer m-ppp046.hidecnet.ne.jp
[7200] 62.54.124.219.in-addr.arpa. domain name pointer m-ppp047.hidecnet.ne.jp
[7200] 63.54.124.219.in-addr.arpa. domain name pointer m-ppp048.hidecnet.ne.jp
[7200] 64.54.124.219.in-addr.arpa. domain name pointer m-ppp049.hidecnet.ne.jp
[7200] 65.54.124.219.in-addr.arpa. domain name pointer m-ppp050.hidecnet.ne.jp
[7200] 66.54.124.219.in-addr.arpa. domain name pointer m-ppp051.hidecnet.ne.jp
[7200] 67.54.124.219.in-addr.arpa. domain name pointer m-ppp052.hidecnet.ne.jp
[7200] 68.54.124.219.in-addr.arpa. domain name pointer m-ppp053.hidecnet.ne.jp
[7200] 69.54.124.219.in-addr.arpa. domain name pointer m-ppp054.hidecnet.ne.jp
[7200] 70.54.124.219.in-addr.arpa. domain name pointer m-ppp055.hidecnet.ne.jp
[7200] 71.54.124.219.in-addr.arpa. domain name pointer m-ppp056.hidecnet.ne.jp
[7200] 72.54.124.219.in-addr.arpa. domain name pointer m-ppp057.hidecnet.ne.jp
[7200] 73.54.124.219.in-addr.arpa. domain name pointer m-ppp058.hidecnet.ne.jp
[7200] 74.54.124.219.in-addr.arpa. domain name pointer m-ppp059.hidecnet.ne.jp
[7200] 75.54.124.219.in-addr.arpa. domain name pointer m-ppp060.hidecnet.ne.jp
[7200] 76.54.124.219.in-addr.arpa. domain name pointer m-ppp061.hidecnet.ne.jp
[7200] 77.54.124.219.in-addr.arpa. domain name pointer m-ppp062.hidecnet.ne.jp
[7200] 78.54.124.219.in-addr.arpa. domain name pointer m-ppp063.hidecnet.ne.jp
[7200] 79.54.124.219.in-addr.arpa. domain name pointer m-ppp064.hidecnet.ne.jp
[7200] 80.54.124.219.in-addr.arpa. domain name pointer m-ppp065.hidecnet.ne.jp
[7200] 81.54.124.219.in-addr.arpa. domain name pointer m-ppp066.hidecnet.ne.jp
[7200] 82.54.124.219.in-addr.arpa. domain name pointer m-ppp067.hidecnet.ne.jp
[7200] 83.54.124.219.in-addr.arpa. domain name pointer m-ppp068.hidecnet.ne.jp
[7200] 84.54.124.219.in-addr.arpa. domain name pointer m-ppp069.hidecnet.ne.jp
[0] 85.54.124.219.in-addr.arpa.: domain name does not exist
[0] 86.54.124.219.in-addr.arpa.: domain name does not exist
[0] 87.54.124.219.in-addr.arpa.: domain name does not exist
[0] 88.54.124.219.in-addr.arpa.: domain name does not exist
[0] 89.54.124.219.in-addr.arpa.: domain name does not exist
[0] 90.54.124.219.in-addr.arpa.: domain name does not exist
[0] 91.54.124.219.in-addr.arpa.: domain name does not exist
[0] 92.54.124.219.in-addr.arpa.: domain name does not exist
[0] 93.54.124.219.in-addr.arpa.: domain name does not exist
[0] 94.54.124.219.in-addr.arpa.: domain name does not exist
[0] 95.54.124.219.in-addr.arpa.: domain name does not exist
[0] 96.54.124.219.in-addr.arpa.: domain name does not exist
[0] 97.54.124.219.in-addr.arpa.: domain name does not exist
[0] 98.54.124.219.in-addr.arpa.: domain name does not exist
[0] 99.54.124.219.in-addr.arpa.: domain name does not exist
[0] 100.54.124.219.in-addr.arpa.: domain name does not exist
[0] 101.54.124.219.in-addr.arpa.: domain name does not exist
[0] 102.54.124.219.in-addr.arpa.: domain name does not exist
[0] 103.54.124.219.in-addr.arpa.: domain name does not exist
[0] 104.54.124.219.in-addr.arpa.: domain name does not exist
[0] 105.54.124.219.in-addr.arpa.: domain name does not exist
[0] 106.54.124.219.in-addr.arpa.: domain name does not exist
[0] 107.54.124.219.in-addr.arpa.: domain name does not exist
[0] 108.54.124.219.in-addr.arpa.: domain name does not exist
[0] 109.54.124.219.in-addr.arpa.: domain name does not exist
[0] 110.54.124.219.in-addr.arpa.: domain name does not exist
[0] 111.54.124.219.in-addr.arpa.: domain name does not exist
[0] 112.54.124.219.in-addr.arpa.: domain name does not exist
[0] 113.54.124.219.in-addr.arpa.: domain name does not exist
[0] 114.54.124.219.in-addr.arpa.: domain name does not exist
[0] 115.54.124.219.in-addr.arpa.: domain name does not exist
[0] 116.54.124.219.in-addr.arpa.: domain name does not exist
[0] 117.54.124.219.in-addr.arpa.: domain name does not exist
[0] 118.54.124.219.in-addr.arpa.: domain name does not exist
[0] 119.54.124.219.in-addr.arpa.: domain name does not exist
[0] 120.54.124.219.in-addr.arpa.: domain name does not exist
[0] 121.54.124.219.in-addr.arpa.: domain name does not exist
[0] 122.54.124.219.in-addr.arpa.: domain name does not exist
[0] 123.54.124.219.in-addr.arpa.: domain name does not exist
[0] 124.54.124.219.in-addr.arpa.: domain name does not exist
[0] 125.54.124.219.in-addr.arpa.: domain name does not exist
[0] 126.54.124.219.in-addr.arpa.: domain name does not exist
[0] 127.54.124.219.in-addr.arpa.: domain name does not exist
[0] 128.54.124.219.in-addr.arpa.: domain name does not exist
[7200] 129.54.124.219.in-addr.arpa. domain name pointer CiscoKitaibaraki.hidecnet.ne.jp
[7200] 130.54.124.219.in-addr.arpa. domain name pointer k-nmc.hidecnet.ne.jp
[7200] 131.54.124.219.in-addr.arpa. domain name pointer k-harc.hidecnet.ne.jp
[7200] 132.54.124.219.in-addr.arpa. domain name pointer k-ups.hidecnet.ne.jp
[7200] 133.54.124.219.in-addr.arpa. domain name pointer k-shareups.hidecnet.ne.jp
[0] 134.54.124.219.in-addr.arpa.: domain name does not exist
[0] 135.54.124.219.in-addr.arpa.: domain name does not exist
[0] 136.54.124.219.in-addr.arpa.: domain name does not exist
[0] 137.54.124.219.in-addr.arpa.: domain name does not exist
[0] 138.54.124.219.in-addr.arpa.: domain name does not exist
[0] 139.54.124.219.in-addr.arpa.: domain name does not exist
[0] 140.54.124.219.in-addr.arpa.: domain name does not exist
[0] 141.54.124.219.in-addr.arpa.: domain name does not exist
[0] 142.54.124.219.in-addr.arpa.: domain name does not exist
[0] 143.54.124.219.in-addr.arpa.: domain name does not exist
[7200] 144.54.124.219.in-addr.arpa. domain name pointer k-ppp001.hidecnet.ne.jp
[7200] 145.54.124.219.in-addr.arpa. domain name pointer k-ppp002.hidecnet.ne.jp
[7200] 146.54.124.219.in-addr.arpa. domain name pointer k-ppp003.hidecnet.ne.jp
[7200] 147.54.124.219.in-addr.arpa. domain name pointer k-ppp004.hidecnet.ne.jp
[7200] 148.54.124.219.in-addr.arpa. domain name pointer k-ppp005.hidecnet.ne.jp
[7200] 149.54.124.219.in-addr.arpa. domain name pointer k-ppp006.hidecnet.ne.jp
[7200] 150.54.124.219.in-addr.arpa. domain name pointer k-ppp007.hidecnet.ne.jp
[7200] 151.54.124.219.in-addr.arpa. domain name pointer k-ppp008.hidecnet.ne.jp
[7200] 152.54.124.219.in-addr.arpa. domain name pointer k-ppp009.hidecnet.ne.jp
[7200] 153.54.124.219.in-addr.arpa. domain name pointer k-ppp010.hidecnet.ne.jp
[7200] 154.54.124.219.in-addr.arpa. domain name pointer k-ppp011.hidecnet.ne.jp
[7200] 155.54.124.219.in-addr.arpa. domain name pointer k-ppp012.hidecnet.ne.jp
[7200] 156.54.124.219.in-addr.arpa. domain name pointer k-ppp013.hidecnet.ne.jp
[7200] 157.54.124.219.in-addr.arpa. domain name pointer k-ppp014.hidecnet.ne.jp
[7200] 158.54.124.219.in-addr.arpa. domain name pointer k-ppp015.hidecnet.ne.jp
[7200] 159.54.124.219.in-addr.arpa. domain name pointer k-ppp016.hidecnet.ne.jp
[7200] 160.54.124.219.in-addr.arpa. domain name pointer k-ppp017.hidecnet.ne.jp
[7200] 161.54.124.219.in-addr.arpa. domain name pointer k-ppp018.hidecnet.ne.jp
[7200] 162.54.124.219.in-addr.arpa. domain name pointer k-ppp019.hidecnet.ne.jp
[7200] 163.54.124.219.in-addr.arpa. domain name pointer k-ppp020.hidecnet.ne.jp
[7200] 164.54.124.219.in-addr.arpa. domain name pointer k-ppp021.hidecnet.ne.jp
[7200] 165.54.124.219.in-addr.arpa. domain name pointer k-ppp022.hidecnet.ne.jp
[7200] 166.54.124.219.in-addr.arpa. domain name pointer k-ppp023.hidecnet.ne.jp
[7200] 167.54.124.219.in-addr.arpa. domain name pointer k-ppp024.hidecnet.ne.jp
[7200] 168.54.124.219.in-addr.arpa. domain name pointer k-ppp025.hidecnet.ne.jp
[7200] 169.54.124.219.in-addr.arpa. domain name pointer k-ppp026.hidecnet.ne.jp
[7200] 170.54.124.219.in-addr.arpa. domain name pointer k-ppp027.hidecnet.ne.jp
[7200] 171.54.124.219.in-addr.arpa. domain name pointer k-ppp028.hidecnet.ne.jp
[7200] 172.54.124.219.in-addr.arpa. domain name pointer k-ppp029.hidecnet.ne.jp
[7200] 173.54.124.219.in-addr.arpa. domain name pointer k-ppp030.hidecnet.ne.jp
[7200] 174.54.124.219.in-addr.arpa. domain name pointer k-ppp031.hidecnet.ne.jp
[7200] 175.54.124.219.in-addr.arpa. domain name pointer k-ppp032.hidecnet.ne.jp
[7200] 176.54.124.219.in-addr.arpa. domain name pointer k-ppp033.hidecnet.ne.jp
[7200] 177.54.124.219.in-addr.arpa. domain name pointer k-ppp034.hidecnet.ne.jp
[7200] 178.54.124.219.in-addr.arpa. domain name pointer k-ppp035.hidecnet.ne.jp
[7200] 179.54.124.219.in-addr.arpa. domain name pointer k-ppp036.hidecnet.ne.jp
[7200] 180.54.124.219.in-addr.arpa. domain name pointer k-ppp037.hidecnet.ne.jp
[7200] 181.54.124.219.in-addr.arpa. domain name pointer k-ppp038.hidecnet.ne.jp
[7200] 182.54.124.219.in-addr.arpa. domain name pointer k-ppp039.hidecnet.ne.jp
[7200] 183.54.124.219.in-addr.arpa. domain name pointer k-ppp040.hidecnet.ne.jp
[7200] 184.54.124.219.in-addr.arpa. domain name pointer k-ppp041.hidecnet.ne.jp
[7200] 185.54.124.219.in-addr.arpa. domain name pointer k-ppp042.hidecnet.ne.jp
[7200] 186.54.124.219.in-addr.arpa. domain name pointer k-ppp043.hidecnet.ne.jp
[7200] 187.54.124.219.in-addr.arpa. domain name pointer k-ppp044.hidecnet.ne.jp
[7200] 188.54.124.219.in-addr.arpa. domain name pointer k-ppp045.hidecnet.ne.jp
[7200] 189.54.124.219.in-addr.arpa. domain name pointer k-ppp046.hidecnet.ne.jp
[7200] 190.54.124.219.in-addr.arpa. domain name pointer k-ppp047.hidecnet.ne.jp
[7200] 191.54.124.219.in-addr.arpa. domain name pointer k-ppp048.hidecnet.ne.jp
[7200] 192.54.124.219.in-addr.arpa. domain name pointer k-ppp049.hidecnet.ne.jp
[7200] 193.54.124.219.in-addr.arpa. domain name pointer k-ppp050.hidecnet.ne.jp
[7200] 194.54.124.219.in-addr.arpa. domain name pointer k-ppp051.hidecnet.ne.jp
[7200] 195.54.124.219.in-addr.arpa. domain name pointer k-ppp052.hidecnet.ne.jp
[7200] 196.54.124.219.in-addr.arpa. domain name pointer k-ppp053.hidecnet.ne.jp
[7200] 197.54.124.219.in-addr.arpa. domain name pointer k-ppp054.hidecnet.ne.jp
[7200] 198.54.124.219.in-addr.arpa. domain name pointer k-ppp055.hidecnet.ne.jp
[7200] 199.54.124.219.in-addr.arpa. domain name pointer k-ppp056.hidecnet.ne.jp
[7200] 200.54.124.219.in-addr.arpa. domain name pointer k-ppp057.hidecnet.ne.jp
[7200] 201.54.124.219.in-addr.arpa. domain name pointer k-ppp058.hidecnet.ne.jp
[7200] 202.54.124.219.in-addr.arpa. domain name pointer k-ppp059.hidecnet.ne.jp
[7200] 203.54.124.219.in-addr.arpa. domain name pointer k-ppp060.hidecnet.ne.jp
[7200] 204.54.124.219.in-addr.arpa. domain name pointer k-ppp061.hidecnet.ne.jp
[7200] 205.54.124.219.in-addr.arpa. domain name pointer k-ppp062.hidecnet.ne.jp
[7200] 206.54.124.219.in-addr.arpa. domain name pointer k-ppp063.hidecnet.ne.jp
[7200] 207.54.124.219.in-addr.arpa. domain name pointer k-ppp064.hidecnet.ne.jp
[7200] 208.54.124.219.in-addr.arpa. domain name pointer k-ppp065.hidecnet.ne.jp
[7200] 209.54.124.219.in-addr.arpa. domain name pointer k-ppp066.hidecnet.ne.jp
[7200] 210.54.124.219.in-addr.arpa. domain name pointer k-ppp067.hidecnet.ne.jp
[7200] 211.54.124.219.in-addr.arpa. domain name pointer k-ppp068.hidecnet.ne.jp
[7200] 212.54.124.219.in-addr.arpa. domain name pointer k-ppp069.hidecnet.ne.jp
[0] 213.54.124.219.in-addr.arpa.: domain name does not exist
[0] 214.54.124.219.in-addr.arpa.: domain name does not exist
[0] 215.54.124.219.in-addr.arpa.: domain name does not exist
[0] 216.54.124.219.in-addr.arpa.: domain name does not exist
[0] 217.54.124.219.in-addr.arpa.: domain name does not exist
[0] 218.54.124.219.in-addr.arpa.: domain name does not exist
[0] 219.54.124.219.in-addr.arpa.: domain name does not exist
[0] 220.54.124.219.in-addr.arpa.: domain name does not exist
[0] 221.54.124.219.in-addr.arpa.: domain name does not exist
[0] 222.54.124.219.in-addr.arpa.: domain name does not exist
[0] 223.54.124.219.in-addr.arpa.: domain name does not exist
[0] 224.54.124.219.in-addr.arpa.: domain name does not exist
[0] 225.54.124.219.in-addr.arpa.: domain name does not exist
[0] 226.54.124.219.in-addr.arpa.: domain name does not exist
[0] 227.54.124.219.in-addr.arpa.: domain name does not exist
[0] 228.54.124.219.in-addr.arpa.: domain name does not exist
[0] 229.54.124.219.in-addr.arpa.: domain name does not exist
[0] 230.54.124.219.in-addr.arpa.: domain name does not exist
[0] 231.54.124.219.in-addr.arpa.: domain name does not exist
[0] 232.54.124.219.in-addr.arpa.: domain name does not exist
[0] 233.54.124.219.in-addr.arpa.: domain name does not exist
[0] 234.54.124.219.in-addr.arpa.: domain name does not exist
[0] 235.54.124.219.in-addr.arpa.: domain name does not exist
[0] 236.54.124.219.in-addr.arpa.: domain name does not exist
[0] 237.54.124.219.in-addr.arpa.: domain name does not exist
[0] 238.54.124.219.in-addr.arpa.: domain name does not exist
[0] 239.54.124.219.in-addr.arpa.: domain name does not exist
[0] 240.54.124.219.in-addr.arpa.: domain name does not exist
[0] 241.54.124.219.in-addr.arpa.: domain name does not exist
[0] 242.54.124.219.in-addr.arpa.: domain name does not exist
[0] 243.54.124.219.in-addr.arpa.: domain name does not exist
[0] 244.54.124.219.in-addr.arpa.: domain name does not exist
[0] 245.54.124.219.in-addr.arpa.: domain name does not exist
[0] 246.54.124.219.in-addr.arpa.: domain name does not exist
[0] 247.54.124.219.in-addr.arpa.: domain name does not exist
[0] 248.54.124.219.in-addr.arpa.: domain name does not exist
[0] 249.54.124.219.in-addr.arpa.: domain name does not exist
[0] 250.54.124.219.in-addr.arpa.: domain name does not exist
[0] 251.54.124.219.in-addr.arpa.: domain name does not exist
[0] 252.54.124.219.in-addr.arpa.: domain name does not exist
[0] 253.54.124.219.in-addr.arpa.: domain name does not exist
[0] 254.54.124.219.in-addr.arpa.: domain name does not exist
[0] 255.54.124.219.in-addr.arpa.: domain name does not exist