[0] 0.31.114.120.in-addr.arpa.: domain name does not exist [86400] 1.31.114.120.in-addr.arpa. domain name pointer pc1.31.dwu.edu.tw [86400] 2.31.114.120.in-addr.arpa. domain name pointer pc2.31.dwu.edu.tw [86400] 3.31.114.120.in-addr.arpa. domain name pointer pc3.31.dwu.edu.tw [86400] 4.31.114.120.in-addr.arpa. domain name pointer pc4.31.dwu.edu.tw [86400] 5.31.114.120.in-addr.arpa. domain name pointer pc5.31.dwu.edu.tw [86400] 6.31.114.120.in-addr.arpa. domain name pointer pc6.31.dwu.edu.tw [86400] 7.31.114.120.in-addr.arpa. domain name pointer pc7.31.dwu.edu.tw [86400] 8.31.114.120.in-addr.arpa. domain name pointer pc8.31.dwu.edu.tw [86400] 9.31.114.120.in-addr.arpa. domain name pointer pc9.31.dwu.edu.tw [86400] 10.31.114.120.in-addr.arpa. domain name pointer pc10.31.dwu.edu.tw [86400] 11.31.114.120.in-addr.arpa. domain name pointer pc11.31.dwu.edu.tw [86400] 12.31.114.120.in-addr.arpa. domain name pointer pc12.31.dwu.edu.tw [86400] 13.31.114.120.in-addr.arpa. domain name pointer pc13.31.dwu.edu.tw [86400] 14.31.114.120.in-addr.arpa. domain name pointer pc14.31.dwu.edu.tw [86400] 15.31.114.120.in-addr.arpa. domain name pointer pc15.31.dwu.edu.tw [86400] 16.31.114.120.in-addr.arpa. domain name pointer pc16.31.dwu.edu.tw [86400] 17.31.114.120.in-addr.arpa. domain name pointer pc17.31.dwu.edu.tw [86400] 18.31.114.120.in-addr.arpa. domain name pointer pc18.31.dwu.edu.tw [86400] 19.31.114.120.in-addr.arpa. domain name pointer pc19.31.dwu.edu.tw [86400] 20.31.114.120.in-addr.arpa. domain name pointer pc20.31.dwu.edu.tw [86400] 21.31.114.120.in-addr.arpa. domain name pointer pc21.31.dwu.edu.tw [86400] 22.31.114.120.in-addr.arpa. domain name pointer pc22.31.dwu.edu.tw [86400] 23.31.114.120.in-addr.arpa. domain name pointer pc23.31.dwu.edu.tw [86400] 24.31.114.120.in-addr.arpa. domain name pointer pc24.31.dwu.edu.tw [86400] 25.31.114.120.in-addr.arpa. domain name pointer pc25.31.dwu.edu.tw [86400] 26.31.114.120.in-addr.arpa. domain name pointer pc26.31.dwu.edu.tw [86400] 27.31.114.120.in-addr.arpa. domain name pointer pc27.31.dwu.edu.tw [86400] 28.31.114.120.in-addr.arpa. domain name pointer pc28.31.dwu.edu.tw [86400] 29.31.114.120.in-addr.arpa. domain name pointer pc29.31.dwu.edu.tw [86400] 30.31.114.120.in-addr.arpa. domain name pointer pc30.31.dwu.edu.tw [86400] 31.31.114.120.in-addr.arpa. domain name pointer pc31.31.dwu.edu.tw [86400] 32.31.114.120.in-addr.arpa. domain name pointer pc32.31.dwu.edu.tw [86400] 33.31.114.120.in-addr.arpa. domain name pointer pc33.31.dwu.edu.tw [86400] 34.31.114.120.in-addr.arpa. domain name pointer pc34.31.dwu.edu.tw [86400] 35.31.114.120.in-addr.arpa. domain name pointer pc35.31.dwu.edu.tw [86400] 36.31.114.120.in-addr.arpa. domain name pointer pc36.31.dwu.edu.tw [86400] 37.31.114.120.in-addr.arpa. domain name pointer pc37.31.dwu.edu.tw [86400] 38.31.114.120.in-addr.arpa. domain name pointer pc38.31.dwu.edu.tw [86400] 39.31.114.120.in-addr.arpa. domain name pointer pc39.31.dwu.edu.tw [86400] 40.31.114.120.in-addr.arpa. domain name pointer pc40.31.dwu.edu.tw [86400] 41.31.114.120.in-addr.arpa. domain name pointer pc41.31.dwu.edu.tw [86400] 42.31.114.120.in-addr.arpa. domain name pointer pc42.31.dwu.edu.tw [86400] 43.31.114.120.in-addr.arpa. domain name pointer pc43.31.dwu.edu.tw [86400] 44.31.114.120.in-addr.arpa. domain name pointer pc44.31.dwu.edu.tw [86400] 45.31.114.120.in-addr.arpa. domain name pointer pc45.31.dwu.edu.tw [86400] 46.31.114.120.in-addr.arpa. domain name pointer pc46.31.dwu.edu.tw [86400] 47.31.114.120.in-addr.arpa. domain name pointer pc47.31.dwu.edu.tw [86400] 48.31.114.120.in-addr.arpa. domain name pointer pc48.31.dwu.edu.tw [86400] 49.31.114.120.in-addr.arpa. domain name pointer pc49.31.dwu.edu.tw [86400] 50.31.114.120.in-addr.arpa. domain name pointer pc50.31.dwu.edu.tw [86400] 51.31.114.120.in-addr.arpa. domain name pointer pc51.31.dwu.edu.tw [86400] 52.31.114.120.in-addr.arpa. domain name pointer pc52.31.dwu.edu.tw [86400] 53.31.114.120.in-addr.arpa. domain name pointer pc53.31.dwu.edu.tw [86400] 54.31.114.120.in-addr.arpa. domain name pointer pc54.31.dwu.edu.tw [86400] 55.31.114.120.in-addr.arpa. domain name pointer pc55.31.dwu.edu.tw [86400] 56.31.114.120.in-addr.arpa. domain name pointer pc56.31.dwu.edu.tw [86400] 57.31.114.120.in-addr.arpa. domain name pointer pc57.31.dwu.edu.tw [86400] 58.31.114.120.in-addr.arpa. domain name pointer pc58.31.dwu.edu.tw [86400] 59.31.114.120.in-addr.arpa. domain name pointer pc59.31.dwu.edu.tw [86400] 60.31.114.120.in-addr.arpa. domain name pointer pc60.31.dwu.edu.tw [86400] 61.31.114.120.in-addr.arpa. domain name pointer pc61.31.dwu.edu.tw [86400] 62.31.114.120.in-addr.arpa. domain name pointer pc62.31.dwu.edu.tw [86400] 63.31.114.120.in-addr.arpa. domain name pointer pc63.31.dwu.edu.tw [86400] 64.31.114.120.in-addr.arpa. domain name pointer pc64.31.dwu.edu.tw [86400] 65.31.114.120.in-addr.arpa. domain name pointer pc65.31.dwu.edu.tw [86400] 66.31.114.120.in-addr.arpa. domain name pointer pc66.31.dwu.edu.tw [86400] 67.31.114.120.in-addr.arpa. domain name pointer pc67.31.dwu.edu.tw [86400] 68.31.114.120.in-addr.arpa. domain name pointer pc68.31.dwu.edu.tw [86400] 69.31.114.120.in-addr.arpa. domain name pointer pc69.31.dwu.edu.tw [86400] 70.31.114.120.in-addr.arpa. domain name pointer pc70.31.dwu.edu.tw [86400] 71.31.114.120.in-addr.arpa. domain name pointer pc71.31.dwu.edu.tw [86400] 72.31.114.120.in-addr.arpa. domain name pointer pc72.31.dwu.edu.tw [86400] 73.31.114.120.in-addr.arpa. domain name pointer pc73.31.dwu.edu.tw [86400] 74.31.114.120.in-addr.arpa. domain name pointer pc74.31.dwu.edu.tw [86400] 75.31.114.120.in-addr.arpa. domain name pointer pc75.31.dwu.edu.tw [86400] 76.31.114.120.in-addr.arpa. domain name pointer pc76.31.dwu.edu.tw [86400] 77.31.114.120.in-addr.arpa. domain name pointer pc77.31.dwu.edu.tw [86400] 78.31.114.120.in-addr.arpa. domain name pointer pc78.31.dwu.edu.tw [86400] 79.31.114.120.in-addr.arpa. domain name pointer pc79.31.dwu.edu.tw [86400] 80.31.114.120.in-addr.arpa. domain name pointer pc80.31.dwu.edu.tw [86400] 81.31.114.120.in-addr.arpa. domain name pointer pc81.31.dwu.edu.tw [86400] 82.31.114.120.in-addr.arpa. domain name pointer pc82.31.dwu.edu.tw [86400] 83.31.114.120.in-addr.arpa. domain name pointer pc83.31.dwu.edu.tw [86400] 84.31.114.120.in-addr.arpa. domain name pointer pc84.31.dwu.edu.tw [86400] 85.31.114.120.in-addr.arpa. domain name pointer pc85.31.dwu.edu.tw [86400] 86.31.114.120.in-addr.arpa. domain name pointer pc86.31.dwu.edu.tw [86400] 87.31.114.120.in-addr.arpa. domain name pointer pc87.31.dwu.edu.tw [86400] 88.31.114.120.in-addr.arpa. domain name pointer pc88.31.dwu.edu.tw [86400] 89.31.114.120.in-addr.arpa. domain name pointer pc89.31.dwu.edu.tw [86400] 90.31.114.120.in-addr.arpa. domain name pointer pc90.31.dwu.edu.tw [86400] 91.31.114.120.in-addr.arpa. domain name pointer pc91.31.dwu.edu.tw [86400] 92.31.114.120.in-addr.arpa. domain name pointer pc92.31.dwu.edu.tw [86400] 93.31.114.120.in-addr.arpa. domain name pointer pc93.31.dwu.edu.tw [86400] 94.31.114.120.in-addr.arpa. domain name pointer pc94.31.dwu.edu.tw [86400] 95.31.114.120.in-addr.arpa. domain name pointer pc95.31.dwu.edu.tw [86400] 96.31.114.120.in-addr.arpa. domain name pointer pc96.31.dwu.edu.tw [86400] 97.31.114.120.in-addr.arpa. domain name pointer pc97.31.dwu.edu.tw [86400] 98.31.114.120.in-addr.arpa. domain name pointer pc98.31.dwu.edu.tw [86400] 99.31.114.120.in-addr.arpa. domain name pointer pc99.31.dwu.edu.tw [86400] 100.31.114.120.in-addr.arpa. domain name pointer pc100.31.dwu.edu.tw [86400] 101.31.114.120.in-addr.arpa. domain name pointer pc101.31.dwu.edu.tw [86400] 102.31.114.120.in-addr.arpa. domain name pointer pc102.31.dwu.edu.tw [86400] 103.31.114.120.in-addr.arpa. domain name pointer pc103.31.dwu.edu.tw [86400] 104.31.114.120.in-addr.arpa. domain name pointer pc104.31.dwu.edu.tw [86400] 105.31.114.120.in-addr.arpa. domain name pointer pc105.31.dwu.edu.tw [86400] 106.31.114.120.in-addr.arpa. domain name pointer pc106.31.dwu.edu.tw [86400] 107.31.114.120.in-addr.arpa. domain name pointer pc107.31.dwu.edu.tw [86400] 108.31.114.120.in-addr.arpa. domain name pointer pc108.31.dwu.edu.tw [86400] 109.31.114.120.in-addr.arpa. domain name pointer pc109.31.dwu.edu.tw [86400] 110.31.114.120.in-addr.arpa. domain name pointer pc110.31.dwu.edu.tw [86400] 111.31.114.120.in-addr.arpa. domain name pointer pc111.31.dwu.edu.tw [86400] 112.31.114.120.in-addr.arpa. domain name pointer pc112.31.dwu.edu.tw [86400] 113.31.114.120.in-addr.arpa. domain name pointer pc113.31.dwu.edu.tw [86400] 114.31.114.120.in-addr.arpa. domain name pointer pc114.31.dwu.edu.tw [86400] 115.31.114.120.in-addr.arpa. domain name pointer pc115.31.dwu.edu.tw [86400] 116.31.114.120.in-addr.arpa. domain name pointer pc116.31.dwu.edu.tw [86400] 117.31.114.120.in-addr.arpa. domain name pointer pc117.31.dwu.edu.tw [86400] 118.31.114.120.in-addr.arpa. domain name pointer pc118.31.dwu.edu.tw [86400] 119.31.114.120.in-addr.arpa. domain name pointer pc119.31.dwu.edu.tw [86400] 120.31.114.120.in-addr.arpa. domain name pointer pc120.31.dwu.edu.tw [86400] 121.31.114.120.in-addr.arpa. domain name pointer pc121.31.dwu.edu.tw [86400] 122.31.114.120.in-addr.arpa. domain name pointer pc122.31.dwu.edu.tw [86400] 123.31.114.120.in-addr.arpa. domain name pointer pc123.31.dwu.edu.tw [86400] 124.31.114.120.in-addr.arpa. domain name pointer pc124.31.dwu.edu.tw [86400] 125.31.114.120.in-addr.arpa. domain name pointer pc125.31.dwu.edu.tw [86400] 126.31.114.120.in-addr.arpa. domain name pointer pc126.31.dwu.edu.tw [86400] 127.31.114.120.in-addr.arpa. domain name pointer pc127.31.dwu.edu.tw [86400] 128.31.114.120.in-addr.arpa. domain name pointer pc128.31.dwu.edu.tw [86400] 129.31.114.120.in-addr.arpa. domain name pointer pc129.31.dwu.edu.tw [86400] 130.31.114.120.in-addr.arpa. domain name pointer pc130.31.dwu.edu.tw [86400] 131.31.114.120.in-addr.arpa. domain name pointer pc131.31.dwu.edu.tw [86400] 132.31.114.120.in-addr.arpa. domain name pointer pc132.31.dwu.edu.tw [86400] 133.31.114.120.in-addr.arpa. domain name pointer pc133.31.dwu.edu.tw [86400] 134.31.114.120.in-addr.arpa. domain name pointer pc134.31.dwu.edu.tw [86400] 135.31.114.120.in-addr.arpa. domain name pointer pc135.31.dwu.edu.tw [86400] 136.31.114.120.in-addr.arpa. domain name pointer pc136.31.dwu.edu.tw [86400] 137.31.114.120.in-addr.arpa. domain name pointer pc137.31.dwu.edu.tw [86400] 138.31.114.120.in-addr.arpa. domain name pointer pc138.31.dwu.edu.tw [86400] 139.31.114.120.in-addr.arpa. domain name pointer pc139.31.dwu.edu.tw [86400] 140.31.114.120.in-addr.arpa. domain name pointer pc140.31.dwu.edu.tw [86400] 141.31.114.120.in-addr.arpa. domain name pointer pc141.31.dwu.edu.tw [86400] 142.31.114.120.in-addr.arpa. domain name pointer pc142.31.dwu.edu.tw [86400] 143.31.114.120.in-addr.arpa. domain name pointer pc143.31.dwu.edu.tw [86400] 144.31.114.120.in-addr.arpa. domain name pointer pc144.31.dwu.edu.tw [86400] 145.31.114.120.in-addr.arpa. domain name pointer pc145.31.dwu.edu.tw [86400] 146.31.114.120.in-addr.arpa. domain name pointer pc146.31.dwu.edu.tw [86400] 147.31.114.120.in-addr.arpa. domain name pointer pc147.31.dwu.edu.tw [86400] 148.31.114.120.in-addr.arpa. domain name pointer pc148.31.dwu.edu.tw [86400] 149.31.114.120.in-addr.arpa. domain name pointer pc149.31.dwu.edu.tw [86400] 150.31.114.120.in-addr.arpa. domain name pointer pc150.31.dwu.edu.tw [86400] 151.31.114.120.in-addr.arpa. domain name pointer pc151.31.dwu.edu.tw [86400] 152.31.114.120.in-addr.arpa. domain name pointer pc152.31.dwu.edu.tw [86400] 153.31.114.120.in-addr.arpa. domain name pointer pc153.31.dwu.edu.tw [86400] 154.31.114.120.in-addr.arpa. domain name pointer pc154.31.dwu.edu.tw [86400] 155.31.114.120.in-addr.arpa. domain name pointer pc155.31.dwu.edu.tw [86400] 156.31.114.120.in-addr.arpa. domain name pointer pc156.31.dwu.edu.tw [86400] 157.31.114.120.in-addr.arpa. domain name pointer pc157.31.dwu.edu.tw [86400] 158.31.114.120.in-addr.arpa. domain name pointer pc158.31.dwu.edu.tw [86400] 159.31.114.120.in-addr.arpa. domain name pointer pc159.31.dwu.edu.tw [86400] 160.31.114.120.in-addr.arpa. domain name pointer pc160.31.dwu.edu.tw [86400] 161.31.114.120.in-addr.arpa. domain name pointer pc161.31.dwu.edu.tw [86400] 162.31.114.120.in-addr.arpa. domain name pointer pc162.31.dwu.edu.tw [86400] 163.31.114.120.in-addr.arpa. domain name pointer pc163.31.dwu.edu.tw [86400] 164.31.114.120.in-addr.arpa. domain name pointer pc164.31.dwu.edu.tw [86400] 165.31.114.120.in-addr.arpa. domain name pointer pc165.31.dwu.edu.tw [86400] 166.31.114.120.in-addr.arpa. domain name pointer pc166.31.dwu.edu.tw [86400] 167.31.114.120.in-addr.arpa. domain name pointer pc167.31.dwu.edu.tw [86400] 168.31.114.120.in-addr.arpa. domain name pointer pc168.31.dwu.edu.tw [86400] 169.31.114.120.in-addr.arpa. domain name pointer pc169.31.dwu.edu.tw [86400] 170.31.114.120.in-addr.arpa. domain name pointer pc170.31.dwu.edu.tw [86400] 171.31.114.120.in-addr.arpa. domain name pointer pc171.31.dwu.edu.tw [86400] 172.31.114.120.in-addr.arpa. domain name pointer pc172.31.dwu.edu.tw [86400] 173.31.114.120.in-addr.arpa. domain name pointer pc173.31.dwu.edu.tw [86400] 174.31.114.120.in-addr.arpa. domain name pointer pc174.31.dwu.edu.tw [86400] 175.31.114.120.in-addr.arpa. domain name pointer pc175.31.dwu.edu.tw [86400] 176.31.114.120.in-addr.arpa. domain name pointer pc176.31.dwu.edu.tw [86400] 177.31.114.120.in-addr.arpa. domain name pointer pc177.31.dwu.edu.tw [86400] 178.31.114.120.in-addr.arpa. domain name pointer pc178.31.dwu.edu.tw [86400] 179.31.114.120.in-addr.arpa. domain name pointer pc179.31.dwu.edu.tw [86400] 180.31.114.120.in-addr.arpa. domain name pointer pc180.31.dwu.edu.tw [86400] 181.31.114.120.in-addr.arpa. domain name pointer pc181.31.dwu.edu.tw [86400] 182.31.114.120.in-addr.arpa. domain name pointer pc182.31.dwu.edu.tw [86400] 183.31.114.120.in-addr.arpa. domain name pointer pc183.31.dwu.edu.tw [86400] 184.31.114.120.in-addr.arpa. domain name pointer pc184.31.dwu.edu.tw [86400] 185.31.114.120.in-addr.arpa. domain name pointer pc185.31.dwu.edu.tw [86400] 186.31.114.120.in-addr.arpa. domain name pointer pc186.31.dwu.edu.tw [86400] 187.31.114.120.in-addr.arpa. domain name pointer pc187.31.dwu.edu.tw [86400] 188.31.114.120.in-addr.arpa. domain name pointer pc188.31.dwu.edu.tw [86400] 189.31.114.120.in-addr.arpa. domain name pointer pc189.31.dwu.edu.tw [86400] 190.31.114.120.in-addr.arpa. domain name pointer pc190.31.dwu.edu.tw [86400] 191.31.114.120.in-addr.arpa. domain name pointer pc191.31.dwu.edu.tw [86400] 192.31.114.120.in-addr.arpa. domain name pointer pc192.31.dwu.edu.tw [86400] 193.31.114.120.in-addr.arpa. domain name pointer pc193.31.dwu.edu.tw [86400] 194.31.114.120.in-addr.arpa. domain name pointer pc194.31.dwu.edu.tw [86400] 195.31.114.120.in-addr.arpa. domain name pointer pc195.31.dwu.edu.tw [86400] 196.31.114.120.in-addr.arpa. domain name pointer pc196.31.dwu.edu.tw [86400] 197.31.114.120.in-addr.arpa. domain name pointer pc197.31.dwu.edu.tw [86400] 198.31.114.120.in-addr.arpa. domain name pointer pc198.31.dwu.edu.tw [86400] 199.31.114.120.in-addr.arpa. domain name pointer pc199.31.dwu.edu.tw [86400] 200.31.114.120.in-addr.arpa. domain name pointer pc200.31.dwu.edu.tw [86400] 201.31.114.120.in-addr.arpa. domain name pointer pc201.31.dwu.edu.tw [86400] 202.31.114.120.in-addr.arpa. domain name pointer pc202.31.dwu.edu.tw [86400] 203.31.114.120.in-addr.arpa. domain name pointer pc203.31.dwu.edu.tw [86400] 204.31.114.120.in-addr.arpa. domain name pointer pc204.31.dwu.edu.tw [86400] 205.31.114.120.in-addr.arpa. domain name pointer pc205.31.dwu.edu.tw [86400] 206.31.114.120.in-addr.arpa. domain name pointer pc206.31.dwu.edu.tw [86400] 207.31.114.120.in-addr.arpa. domain name pointer pc207.31.dwu.edu.tw [86400] 208.31.114.120.in-addr.arpa. domain name pointer pc208.31.dwu.edu.tw [86400] 209.31.114.120.in-addr.arpa. domain name pointer pc209.31.dwu.edu.tw [86400] 210.31.114.120.in-addr.arpa. domain name pointer pc210.31.dwu.edu.tw [86400] 211.31.114.120.in-addr.arpa. domain name pointer pc211.31.dwu.edu.tw [86400] 212.31.114.120.in-addr.arpa. domain name pointer pc212.31.dwu.edu.tw [86400] 213.31.114.120.in-addr.arpa. domain name pointer pc213.31.dwu.edu.tw [86400] 214.31.114.120.in-addr.arpa. domain name pointer pc214.31.dwu.edu.tw [86400] 215.31.114.120.in-addr.arpa. domain name pointer pc215.31.dwu.edu.tw [86400] 216.31.114.120.in-addr.arpa. domain name pointer pc216.31.dwu.edu.tw [86400] 217.31.114.120.in-addr.arpa. domain name pointer pc217.31.dwu.edu.tw [86400] 218.31.114.120.in-addr.arpa. domain name pointer pc218.31.dwu.edu.tw [86400] 219.31.114.120.in-addr.arpa. domain name pointer pc219.31.dwu.edu.tw [86400] 220.31.114.120.in-addr.arpa. domain name pointer pc220.31.dwu.edu.tw [86400] 221.31.114.120.in-addr.arpa. domain name pointer pc221.31.dwu.edu.tw [86400] 222.31.114.120.in-addr.arpa. domain name pointer pc222.31.dwu.edu.tw [86400] 223.31.114.120.in-addr.arpa. domain name pointer pc223.31.dwu.edu.tw [86400] 224.31.114.120.in-addr.arpa. domain name pointer pc224.31.dwu.edu.tw [86400] 225.31.114.120.in-addr.arpa. domain name pointer pc225.31.dwu.edu.tw [86400] 226.31.114.120.in-addr.arpa. domain name pointer pc226.31.dwu.edu.tw [86400] 227.31.114.120.in-addr.arpa. domain name pointer pc227.31.dwu.edu.tw [86400] 228.31.114.120.in-addr.arpa. domain name pointer pc228.31.dwu.edu.tw [86400] 229.31.114.120.in-addr.arpa. domain name pointer pc229.31.dwu.edu.tw [86400] 230.31.114.120.in-addr.arpa. domain name pointer pc230.31.dwu.edu.tw [86400] 231.31.114.120.in-addr.arpa. domain name pointer pc231.31.dwu.edu.tw [86400] 232.31.114.120.in-addr.arpa. domain name pointer pc232.31.dwu.edu.tw [86400] 233.31.114.120.in-addr.arpa. domain name pointer pc233.31.dwu.edu.tw [86400] 234.31.114.120.in-addr.arpa. domain name pointer pc234.31.dwu.edu.tw [86400] 235.31.114.120.in-addr.arpa. domain name pointer pc235.31.dwu.edu.tw [86400] 236.31.114.120.in-addr.arpa. domain name pointer pc236.31.dwu.edu.tw [86400] 237.31.114.120.in-addr.arpa. domain name pointer pc237.31.dwu.edu.tw [86400] 238.31.114.120.in-addr.arpa. domain name pointer pc238.31.dwu.edu.tw [86400] 239.31.114.120.in-addr.arpa. domain name pointer pc239.31.dwu.edu.tw [86400] 240.31.114.120.in-addr.arpa. domain name pointer pc240.31.dwu.edu.tw [86400] 241.31.114.120.in-addr.arpa. domain name pointer pc241.31.dwu.edu.tw [86400] 242.31.114.120.in-addr.arpa. domain name pointer pc242.31.dwu.edu.tw [86400] 243.31.114.120.in-addr.arpa. domain name pointer pc243.31.dwu.edu.tw [86400] 244.31.114.120.in-addr.arpa. domain name pointer pc244.31.dwu.edu.tw [86400] 245.31.114.120.in-addr.arpa. domain name pointer pc245.31.dwu.edu.tw [86400] 246.31.114.120.in-addr.arpa. domain name pointer pc246.31.dwu.edu.tw [86400] 247.31.114.120.in-addr.arpa. domain name pointer pc247.31.dwu.edu.tw [86400] 248.31.114.120.in-addr.arpa. domain name pointer pc248.31.dwu.edu.tw [86400] 249.31.114.120.in-addr.arpa. domain name pointer pc249.31.dwu.edu.tw [86400] 250.31.114.120.in-addr.arpa. domain name pointer pc250.31.dwu.edu.tw [86400] 251.31.114.120.in-addr.arpa. domain name pointer pc251.31.dwu.edu.tw [86400] 252.31.114.120.in-addr.arpa. domain name pointer pc252.31.dwu.edu.tw [86400] 253.31.114.120.in-addr.arpa. domain name pointer pc253.31.dwu.edu.tw [86400] 254.31.114.120.in-addr.arpa. domain name pointer pc254.31.dwu.edu.tw [0] 255.31.114.120.in-addr.arpa.: domain name does not exist