Host 0.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 1.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 2.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 3.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 4.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 5.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 6.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 7.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 8.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 9.91.186.221.in-addr.arpa domain name pointer pc1.tbcgakuin-unet.ocn.ne.jp. [86400] 10.91.186.221.in-addr.arpa domain name pointer pc2.tbcgakuin-unet.ocn.ne.jp. [86400] 11.91.186.221.in-addr.arpa domain name pointer pc3.tbcgakuin-unet.ocn.ne.jp. [86400] 12.91.186.221.in-addr.arpa domain name pointer pc4.tbcgakuin-unet.ocn.ne.jp. [86400] 13.91.186.221.in-addr.arpa domain name pointer pc5.tbcgakuin-unet.ocn.ne.jp. [86400] 14.91.186.221.in-addr.arpa domain name pointer pc6.tbcgakuin-unet.ocn.ne.jp. Host 15.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 16.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 17.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [3600] 18.91.186.221.in-addr.arpa domain name pointer dns.th-aoi.com. Host 19.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 20.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 21.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 22.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 23.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 24.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 25.91.186.221.in-addr.arpa domain name pointer pc1.ac044-1-unet.ocn.ne.jp. [86400] 26.91.186.221.in-addr.arpa domain name pointer pc2.ac044-1-unet.ocn.ne.jp. [86400] 27.91.186.221.in-addr.arpa domain name pointer pc3.ac044-1-unet.ocn.ne.jp. [86400] 28.91.186.221.in-addr.arpa domain name pointer pc4.ac044-1-unet.ocn.ne.jp. [86400] 29.91.186.221.in-addr.arpa domain name pointer pc5.ac044-1-unet.ocn.ne.jp. [86400] 30.91.186.221.in-addr.arpa domain name pointer pc6.ac044-1-unet.ocn.ne.jp. Host 31.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 32.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 33.91.186.221.in-addr.arpa domain name pointer ns.hondaeg.co.jp. [86400] 34.91.186.221.in-addr.arpa domain name pointer ns1.hondaeg.co.jp. [12288] 35.91.186.221.in-addr.arpa domain name pointer mx1.hondaeg.co.jp. [86400] 36.91.186.221.in-addr.arpa domain name pointer mx2.hondaeg.co.jp. [86400] 37.91.186.221.in-addr.arpa domain name pointer emc.hondaeg.co.jp. Host 38.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 39.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 40.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 41.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 42.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 43.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 44.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [2213] 45.91.186.221.in-addr.arpa domain name pointer fw.hondaeg.co.jp. Host 46.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 47.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 48.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 49.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 50.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 51.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 52.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 53.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 54.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 55.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 56.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 57.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 58.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 59.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 60.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 61.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 62.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 63.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 64.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 65.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 66.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 67.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 68.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 69.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 70.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 71.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 72.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 73.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 74.91.186.221.in-addr.arpa domain name pointer pow.autotechnic.co.jp. Host 75.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 76.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 77.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 78.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 79.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 80.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 81.91.186.221.in-addr.arpa domain name pointer gw.tsm.utsunomiya.tochigi.jp. [76544] 82.91.186.221.in-addr.arpa domain name pointer ns.tsm.utsunomiya.tochigi.jp. [86400] 83.91.186.221.in-addr.arpa domain name pointer host83.tsm.utsunomiya.tochigi.jp. [86400] 84.91.186.221.in-addr.arpa domain name pointer host84.tsm.utsunomiya.tochigi.jp. [86400] 85.91.186.221.in-addr.arpa domain name pointer host85.tsm.utsunomiya.tochigi.jp. [86400] 86.91.186.221.in-addr.arpa domain name pointer host86.tsm.utsunomiya.tochigi.jp. Host 87.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 88.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 89.91.186.221.in-addr.arpa domain name pointer pc1.nozawa-sh-unet.ocn.ne.jp. [86400] 90.91.186.221.in-addr.arpa domain name pointer pc2.nozawa-sh-unet.ocn.ne.jp. [86400] 91.91.186.221.in-addr.arpa domain name pointer pc3.nozawa-sh-unet.ocn.ne.jp. [86400] 92.91.186.221.in-addr.arpa domain name pointer pc4.nozawa-sh-unet.ocn.ne.jp. [86400] 93.91.186.221.in-addr.arpa domain name pointer pc5.nozawa-sh-unet.ocn.ne.jp. [86400] 94.91.186.221.in-addr.arpa domain name pointer pc6.nozawa-sh-unet.ocn.ne.jp. Host 95.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 96.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 97.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [68945] 98.91.186.221.in-addr.arpa domain name pointer ns.seikeicolumn.co.jp. Host 99.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 100.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 101.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 102.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 103.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 104.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 105.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 106.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 107.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 108.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 109.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 110.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 111.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 112.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 113.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 114.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 115.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 116.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 117.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 118.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 119.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 120.91.186.221.in-addr.arpa query failed: Connection Timed Out Host 121.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 122.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 123.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 124.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 125.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 126.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 127.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [300] 128.91.186.221.in-addr.arpa domain name pointer tochipal.co.jp. Host 129.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [300] 130.91.186.221.in-addr.arpa domain name pointer ns.tochipal.co.jp. Host 131.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 132.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 133.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 134.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 135.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 136.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 137.91.186.221.in-addr.arpa domain name pointer pc1.t-kaneka-unet.ocn.ne.jp. [86400] 138.91.186.221.in-addr.arpa domain name pointer pc2.t-kaneka-unet.ocn.ne.jp. [86400] 139.91.186.221.in-addr.arpa domain name pointer pc3.t-kaneka-unet.ocn.ne.jp. [86400] 140.91.186.221.in-addr.arpa domain name pointer pc4.t-kaneka-unet.ocn.ne.jp. [86400] 141.91.186.221.in-addr.arpa domain name pointer pc5.t-kaneka-unet.ocn.ne.jp. [86400] 142.91.186.221.in-addr.arpa domain name pointer pc6.t-kaneka-unet.ocn.ne.jp. Host 143.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 144.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 145.91.186.221.in-addr.arpa domain name pointer pc1.tcg-sano-high-unet.ocn.ne.jp. [86400] 146.91.186.221.in-addr.arpa domain name pointer pc2.tcg-sano-high-unet.ocn.ne.jp. [86400] 147.91.186.221.in-addr.arpa domain name pointer pc3.tcg-sano-high-unet.ocn.ne.jp. [86400] 148.91.186.221.in-addr.arpa domain name pointer pc4.tcg-sano-high-unet.ocn.ne.jp. [86400] 149.91.186.221.in-addr.arpa domain name pointer pc5.tcg-sano-high-unet.ocn.ne.jp. [86400] 150.91.186.221.in-addr.arpa domain name pointer pc6.tcg-sano-high-unet.ocn.ne.jp. Host 151.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 152.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 153.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 154.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 155.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 156.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 157.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 158.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 159.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 160.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 161.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 162.91.186.221.in-addr.arpa domain name pointer ns.jadecom.nikko.tochigi.jp. Host 163.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 164.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 165.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 166.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 167.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 168.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 169.91.186.221.in-addr.arpa domain name pointer pc1.tochilib-unet.ocn.ne.jp. [86400] 170.91.186.221.in-addr.arpa domain name pointer soumoku.tochilib-unet.ocn.ne.jp. [86400] 171.91.186.221.in-addr.arpa domain name pointer pc3.tochilib-unet.ocn.ne.jp. [86400] 172.91.186.221.in-addr.arpa domain name pointer pc4.tochilib-unet.ocn.ne.jp. [86400] 173.91.186.221.in-addr.arpa domain name pointer pc5.tochilib-unet.ocn.ne.jp. [86400] 174.91.186.221.in-addr.arpa domain name pointer pc6.tochilib-unet.ocn.ne.jp. Host 175.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 176.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 177.91.186.221.in-addr.arpa domain name pointer pc1.utsunomiyachuojoshi-high-unet.ocn.ne.jp. [86400] 178.91.186.221.in-addr.arpa domain name pointer pc2.utsunomiyachuojoshi-high-unet.ocn.ne.jp. [86400] 179.91.186.221.in-addr.arpa domain name pointer pc3.utsunomiyachuojoshi-high-unet.ocn.ne.jp. [86400] 180.91.186.221.in-addr.arpa domain name pointer pc4.utsunomiyachuojoshi-high-unet.ocn.ne.jp. [86400] 181.91.186.221.in-addr.arpa domain name pointer pc5.utsunomiyachuojoshi-high-unet.ocn.ne.jp. [86400] 182.91.186.221.in-addr.arpa domain name pointer pc6.utsunomiyachuojoshi-high-unet.ocn.ne.jp. Host 183.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 184.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 185.91.186.221.in-addr.arpa domain name pointer pc1.kanuma-highshool-unet.ocn.ne.jp. [86400] 186.91.186.221.in-addr.arpa domain name pointer pc2.kanuma-highshool-unet.ocn.ne.jp. [86400] 187.91.186.221.in-addr.arpa domain name pointer pc3.kanuma-highshool-unet.ocn.ne.jp. [86400] 188.91.186.221.in-addr.arpa domain name pointer pc4.kanuma-highshool-unet.ocn.ne.jp. [86400] 189.91.186.221.in-addr.arpa domain name pointer pc5.kanuma-highshool-unet.ocn.ne.jp. [86400] 190.91.186.221.in-addr.arpa domain name pointer pc6.kanuma-highshool-unet.ocn.ne.jp. Host 191.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 192.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 193.91.186.221.in-addr.arpa domain name pointer pc1.tochigipref-nasuyogogakkou-unet.ocn.ne.jp. [86400] 194.91.186.221.in-addr.arpa domain name pointer pc2.tochigipref-nasuyogogakkou-unet.ocn.ne.jp. [86400] 195.91.186.221.in-addr.arpa domain name pointer pc3.tochigipref-nasuyogogakkou-unet.ocn.ne.jp. [86400] 196.91.186.221.in-addr.arpa domain name pointer pc4.tochigipref-nasuyogogakkou-unet.ocn.ne.jp. [86400] 197.91.186.221.in-addr.arpa domain name pointer pc5.tochigipref-nasuyogogakkou-unet.ocn.ne.jp. [86400] 198.91.186.221.in-addr.arpa domain name pointer pc6.tochigipref-nasuyogogakkou-unet.ocn.ne.jp. Host 199.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 200.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 201.91.186.221.in-addr.arpa domain name pointer pc1.ohtawarajoshi-highschool-unet.ocn.ne.jp. [86400] 202.91.186.221.in-addr.arpa domain name pointer pc2.ohtawarajoshi-highschool-unet.ocn.ne.jp. [86400] 203.91.186.221.in-addr.arpa domain name pointer pc3.ohtawarajoshi-highschool-unet.ocn.ne.jp. [86400] 204.91.186.221.in-addr.arpa domain name pointer pc4.ohtawarajoshi-highschool-unet.ocn.ne.jp. [86400] 205.91.186.221.in-addr.arpa domain name pointer pc5.ohtawarajoshi-highschool-unet.ocn.ne.jp. [86400] 206.91.186.221.in-addr.arpa domain name pointer pc6.ohtawarajoshi-highschool-unet.ocn.ne.jp. Host 207.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 208.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 209.91.186.221.in-addr.arpa domain name pointer pc1.tochigipref-rou-gakkou-unet.ocn.ne.jp. [86400] 210.91.186.221.in-addr.arpa domain name pointer pc2.tochigipref-rou-gakkou-unet.ocn.ne.jp. [86400] 211.91.186.221.in-addr.arpa domain name pointer pc3.tochigipref-rou-gakkou-unet.ocn.ne.jp. [86400] 212.91.186.221.in-addr.arpa domain name pointer pc4.tochigipref-rou-gakkou-unet.ocn.ne.jp. [86400] 213.91.186.221.in-addr.arpa domain name pointer pc5.tochigipref-rou-gakkou-unet.ocn.ne.jp. [86400] 214.91.186.221.in-addr.arpa domain name pointer pc6.tochigipref-rou-gakkou-unet.ocn.ne.jp. Host 215.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 216.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) [86400] 217.91.186.221.in-addr.arpa domain name pointer pc1.utsunomiyajoshi-high-unet.ocn.ne.jp. [86400] 218.91.186.221.in-addr.arpa domain name pointer pc2.utsunomiyajoshi-high-unet.ocn.ne.jp. [86400] 219.91.186.221.in-addr.arpa domain name pointer pc3.utsunomiyajoshi-high-unet.ocn.ne.jp. [86400] 220.91.186.221.in-addr.arpa domain name pointer pc4.utsunomiyajoshi-high-unet.ocn.ne.jp. [86400] 221.91.186.221.in-addr.arpa domain name pointer pc5.utsunomiyajoshi-high-unet.ocn.ne.jp. [86400] 222.91.186.221.in-addr.arpa domain name pointer pc6.utsunomiyajoshi-high-unet.ocn.ne.jp. Host 223.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 224.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 225.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 226.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 227.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 228.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 229.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 230.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 231.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 232.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 233.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 234.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 235.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 236.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 237.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 238.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 239.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 240.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 241.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 242.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 243.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 244.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 245.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 246.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 247.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 248.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 249.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 250.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 251.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 252.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 253.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 254.91.186.221.in-addr.arpa not found: 3(NXDOMAIN) Host 255.91.186.221.in-addr.arpa not found: 3(NXDOMAIN)