Host 0.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 1.31.186.221.in-addr.arpa domain name pointer pc1.adsl009-unet.ocn.ne.jp.
[86400] 2.31.186.221.in-addr.arpa domain name pointer pc2.adsl009-unet.ocn.ne.jp.
[86400] 3.31.186.221.in-addr.arpa domain name pointer pc3.adsl009-unet.ocn.ne.jp.
[86400] 4.31.186.221.in-addr.arpa domain name pointer pc4.adsl009-unet.ocn.ne.jp.
[86400] 5.31.186.221.in-addr.arpa domain name pointer pc5.adsl009-unet.ocn.ne.jp.
[86400] 6.31.186.221.in-addr.arpa domain name pointer pc6.adsl009-unet.ocn.ne.jp.
Host 7.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 8.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 9.31.186.221.in-addr.arpa domain name pointer pc1.adsl013-unet.ocn.ne.jp.
[86400] 10.31.186.221.in-addr.arpa domain name pointer pc2.adsl013-unet.ocn.ne.jp.
[86400] 11.31.186.221.in-addr.arpa domain name pointer pc3.adsl013-unet.ocn.ne.jp.
[86400] 12.31.186.221.in-addr.arpa domain name pointer pc4.adsl013-unet.ocn.ne.jp.
[86400] 13.31.186.221.in-addr.arpa domain name pointer pc5.adsl013-unet.ocn.ne.jp.
[86400] 14.31.186.221.in-addr.arpa domain name pointer pc6.adsl013-unet.ocn.ne.jp.
Host 15.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 16.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 17.31.186.221.in-addr.arpa domain name pointer pc1.adsl014-unet.ocn.ne.jp.
[86400] 18.31.186.221.in-addr.arpa domain name pointer pc2.adsl014-unet.ocn.ne.jp.
[86400] 19.31.186.221.in-addr.arpa domain name pointer pc3.adsl014-unet.ocn.ne.jp.
[86400] 20.31.186.221.in-addr.arpa domain name pointer pc4.adsl014-unet.ocn.ne.jp.
[86400] 21.31.186.221.in-addr.arpa domain name pointer pc5.adsl014-unet.ocn.ne.jp.
[86400] 22.31.186.221.in-addr.arpa domain name pointer pc6.adsl014-unet.ocn.ne.jp.
Host 23.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 24.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 25.31.186.221.in-addr.arpa domain name pointer pc1.adsl012-unet.ocn.ne.jp.
[86400] 26.31.186.221.in-addr.arpa domain name pointer pc2.adsl012-unet.ocn.ne.jp.
[86400] 27.31.186.221.in-addr.arpa domain name pointer pc3.adsl012-unet.ocn.ne.jp.
[86400] 28.31.186.221.in-addr.arpa domain name pointer pc4.adsl012-unet.ocn.ne.jp.
[86400] 29.31.186.221.in-addr.arpa domain name pointer pc5.adsl012-unet.ocn.ne.jp.
[86400] 30.31.186.221.in-addr.arpa domain name pointer pc6.adsl012-unet.ocn.ne.jp.
Host 31.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 32.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 33.31.186.221.in-addr.arpa domain name pointer pc1.adsl011-unet.ocn.ne.jp.
[86400] 34.31.186.221.in-addr.arpa domain name pointer pc2.adsl011-unet.ocn.ne.jp.
[86400] 35.31.186.221.in-addr.arpa domain name pointer pc3.adsl011-unet.ocn.ne.jp.
[86400] 36.31.186.221.in-addr.arpa domain name pointer pc4.adsl011-unet.ocn.ne.jp.
[86400] 37.31.186.221.in-addr.arpa domain name pointer pc5.adsl011-unet.ocn.ne.jp.
[86400] 38.31.186.221.in-addr.arpa domain name pointer pc6.adsl011-unet.ocn.ne.jp.
Host 39.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 40.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 41.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 42.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 43.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 44.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 45.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 46.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 47.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 48.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 49.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 50.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 51.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 52.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 53.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 54.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 55.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 56.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 57.31.186.221.in-addr.arpa domain name pointer pc1.adsl21-unet.ocn.ne.jp.
[86400] 58.31.186.221.in-addr.arpa domain name pointer pc2.adsl21-unet.ocn.ne.jp.
[86400] 59.31.186.221.in-addr.arpa domain name pointer pc3.adsl21-unet.ocn.ne.jp.
[86400] 60.31.186.221.in-addr.arpa domain name pointer pc4.adsl21-unet.ocn.ne.jp.
[86400] 61.31.186.221.in-addr.arpa domain name pointer pc5.adsl21-unet.ocn.ne.jp.
[86400] 62.31.186.221.in-addr.arpa domain name pointer pc6.adsl21-unet.ocn.ne.jp.
Host 63.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 64.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 65.31.186.221.in-addr.arpa domain name pointer pc1.adsl20-unet.ocn.ne.jp.
[86400] 66.31.186.221.in-addr.arpa domain name pointer pc2.adsl20-unet.ocn.ne.jp.
[86400] 67.31.186.221.in-addr.arpa domain name pointer pc3.adsl20-unet.ocn.ne.jp.
[86400] 68.31.186.221.in-addr.arpa domain name pointer pc4.adsl20-unet.ocn.ne.jp.
[86400] 69.31.186.221.in-addr.arpa domain name pointer pc5.adsl20-unet.ocn.ne.jp.
[86400] 70.31.186.221.in-addr.arpa domain name pointer pc6.adsl20-unet.ocn.ne.jp.
Host 71.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 72.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 73.31.186.221.in-addr.arpa domain name pointer pc1.adsl19-unet.ocn.ne.jp.
[86400] 74.31.186.221.in-addr.arpa domain name pointer pc2.adsl19-unet.ocn.ne.jp.
[86400] 75.31.186.221.in-addr.arpa domain name pointer pc3.adsl19-unet.ocn.ne.jp.
[86400] 76.31.186.221.in-addr.arpa domain name pointer pc4.adsl19-unet.ocn.ne.jp.
[86400] 77.31.186.221.in-addr.arpa domain name pointer pc5.adsl19-unet.ocn.ne.jp.
[86400] 78.31.186.221.in-addr.arpa domain name pointer pc6.adsl19-unet.ocn.ne.jp.
Host 79.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 80.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 81.31.186.221.in-addr.arpa domain name pointer pc1.adsl18-unet.ocn.ne.jp.
[86400] 82.31.186.221.in-addr.arpa domain name pointer pc2.adsl18-unet.ocn.ne.jp.
[86400] 83.31.186.221.in-addr.arpa domain name pointer pc3.adsl18-unet.ocn.ne.jp.
[86400] 84.31.186.221.in-addr.arpa domain name pointer pc4.adsl18-unet.ocn.ne.jp.
[86400] 85.31.186.221.in-addr.arpa domain name pointer pc5.adsl18-unet.ocn.ne.jp.
[86400] 86.31.186.221.in-addr.arpa domain name pointer pc6.adsl18-unet.ocn.ne.jp.
Host 87.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 88.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 89.31.186.221.in-addr.arpa domain name pointer pc1.adsl17-unet.ocn.ne.jp.
[86400] 90.31.186.221.in-addr.arpa domain name pointer pc2.adsl17-unet.ocn.ne.jp.
[86400] 91.31.186.221.in-addr.arpa domain name pointer pc3.adsl17-unet.ocn.ne.jp.
[86400] 92.31.186.221.in-addr.arpa domain name pointer pc4.adsl17-unet.ocn.ne.jp.
[86400] 93.31.186.221.in-addr.arpa domain name pointer pc5.adsl17-unet.ocn.ne.jp.
[86400] 94.31.186.221.in-addr.arpa domain name pointer pc6.adsl17-unet.ocn.ne.jp.
Host 95.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 96.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 97.31.186.221.in-addr.arpa domain name pointer pc1.adsl015-unet.ocn.ne.jp.
[86400] 98.31.186.221.in-addr.arpa domain name pointer pc2.adsl015-unet.ocn.ne.jp.
[86400] 99.31.186.221.in-addr.arpa domain name pointer pc3.adsl015-unet.ocn.ne.jp.
[86400] 100.31.186.221.in-addr.arpa domain name pointer pc4.adsl015-unet.ocn.ne.jp.
[86400] 101.31.186.221.in-addr.arpa domain name pointer pc5.adsl015-unet.ocn.ne.jp.
[86400] 102.31.186.221.in-addr.arpa domain name pointer pc6.adsl015-unet.ocn.ne.jp.
Host 103.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 104.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 105.31.186.221.in-addr.arpa domain name pointer pc1.adsl016-unet.ocn.ne.jp.
[86400] 106.31.186.221.in-addr.arpa domain name pointer pc2.adsl016-unet.ocn.ne.jp.
[86400] 107.31.186.221.in-addr.arpa domain name pointer pc3.adsl016-unet.ocn.ne.jp.
[86400] 108.31.186.221.in-addr.arpa domain name pointer pc4.adsl016-unet.ocn.ne.jp.
[86400] 109.31.186.221.in-addr.arpa domain name pointer pc5.adsl016-unet.ocn.ne.jp.
[86400] 110.31.186.221.in-addr.arpa domain name pointer pc6.adsl016-unet.ocn.ne.jp.
Host 111.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 112.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 113.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 114.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 115.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 116.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 117.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 118.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 119.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 120.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 121.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 122.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 123.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 124.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 125.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 126.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 127.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 128.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 129.31.186.221.in-addr.arpa domain name pointer pc1.gnw-unet.ocn.ne.jp.
[86400] 130.31.186.221.in-addr.arpa domain name pointer pc2.gnw-unet.ocn.ne.jp.
[86400] 131.31.186.221.in-addr.arpa domain name pointer pc3.gnw-unet.ocn.ne.jp.
[86400] 132.31.186.221.in-addr.arpa domain name pointer pc4.gnw-unet.ocn.ne.jp.
[86400] 133.31.186.221.in-addr.arpa domain name pointer pc5.gnw-unet.ocn.ne.jp.
[86400] 134.31.186.221.in-addr.arpa domain name pointer pc6.gnw-unet.ocn.ne.jp.
Host 135.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 136.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 137.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[600] 138.31.186.221.in-addr.arpa domain name pointer lbrain.jp.
[600] 139.31.186.221.in-addr.arpa domain name pointer dns2.lbrian.co.jp.
Host 140.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 141.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 142.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 143.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 144.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 145.31.186.221.in-addr.arpa domain name pointer pc1.argyle-unet.ocn.ne.jp.
[86400] 146.31.186.221.in-addr.arpa domain name pointer pc2.argyle-unet.ocn.ne.jp.
[86400] 147.31.186.221.in-addr.arpa domain name pointer pc3.argyle-unet.ocn.ne.jp.
[86400] 148.31.186.221.in-addr.arpa domain name pointer pc4.argyle-unet.ocn.ne.jp.
[86400] 149.31.186.221.in-addr.arpa domain name pointer pc5.argyle-unet.ocn.ne.jp.
[86400] 150.31.186.221.in-addr.arpa domain name pointer pc6.argyle-unet.ocn.ne.jp.
Host 151.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 152.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 153.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 154.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 155.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 156.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 157.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 158.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 159.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 160.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 161.31.186.221.in-addr.arpa domain name pointer pc1.web-con1-unet.ocn.ne.jp.
[86400] 162.31.186.221.in-addr.arpa domain name pointer pc2.web-con1-unet.ocn.ne.jp.
[86400] 163.31.186.221.in-addr.arpa domain name pointer pc3.web-con1-unet.ocn.ne.jp.
[86400] 164.31.186.221.in-addr.arpa domain name pointer pc4.web-con1-unet.ocn.ne.jp.
[86400] 165.31.186.221.in-addr.arpa domain name pointer pc5.web-con1-unet.ocn.ne.jp.
[86400] 166.31.186.221.in-addr.arpa domain name pointer pc6.web-con1-unet.ocn.ne.jp.
Host 167.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 168.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
[86400] 169.31.186.221.in-addr.arpa domain name pointer pc1.ibs-unet.ocn.ne.jp.
[86400] 170.31.186.221.in-addr.arpa domain name pointer pc2.ibs-unet.ocn.ne.jp.
[86400] 171.31.186.221.in-addr.arpa domain name pointer pc3.ibs-unet.ocn.ne.jp.
[86400] 172.31.186.221.in-addr.arpa domain name pointer pc4.ibs-unet.ocn.ne.jp.
[86400] 173.31.186.221.in-addr.arpa domain name pointer pc5.ibs-unet.ocn.ne.jp.
[86400] 174.31.186.221.in-addr.arpa domain name pointer pc6.ibs-unet.ocn.ne.jp.
Host 175.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 176.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 177.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 178.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 179.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 180.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 181.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 182.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 183.31.186.221.in-addr.arpa query failed: Connection Timed Out
Host 184.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 185.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 186.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 187.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 188.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 189.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 190.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 191.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 192.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 193.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 194.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 195.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 196.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 197.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 198.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 199.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 200.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 201.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 202.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 203.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 204.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 205.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 206.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 207.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 208.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 209.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 210.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 211.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 212.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 213.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 214.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 215.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 216.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 217.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 218.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 219.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 220.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 221.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 222.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 223.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 224.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 225.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 226.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 227.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 228.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 229.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 230.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 231.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 232.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 233.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 234.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 235.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 236.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 237.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 238.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 239.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 240.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 241.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 242.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 243.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 244.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 245.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 246.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 247.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 248.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 249.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 250.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 251.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 252.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 253.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 254.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)
Host 255.31.186.221.in-addr.arpa not found: 3(NXDOMAIN)