[0] 0.9.106.120.in-addr.arpa.: domain name does not exist [90] 1.9.106.120.in-addr.arpa. domain name pointer ldap.ydu.edu.tw [90] 2.9.106.120.in-addr.arpa. domain name pointer ad.ydu.edu.tw [90] 3.9.106.120.in-addr.arpa. domain name pointer pc009003.ydu.edu.tw [90] 4.9.106.120.in-addr.arpa. domain name pointer pc009004.ydu.edu.tw [90] 5.9.106.120.in-addr.arpa. domain name pointer roaming.ydu.edu.tw [90] 6.9.106.120.in-addr.arpa. domain name pointer pc009006.ydu.edu.tw [90] 7.9.106.120.in-addr.arpa. domain name pointer pc009007.ydu.edu.tw [90] 8.9.106.120.in-addr.arpa. domain name pointer pc009008.ydu.edu.tw [90] 9.9.106.120.in-addr.arpa. domain name pointer pc009009.ydu.edu.tw [90] 10.9.106.120.in-addr.arpa. domain name pointer pc009010.ydu.edu.tw [90] 11.9.106.120.in-addr.arpa. domain name pointer pc009011.ydu.edu.tw [90] 12.9.106.120.in-addr.arpa. domain name pointer pc009012.ydu.edu.tw [90] 13.9.106.120.in-addr.arpa. domain name pointer pc009013.ydu.edu.tw [90] 14.9.106.120.in-addr.arpa. domain name pointer pc009014.ydu.edu.tw [90] 15.9.106.120.in-addr.arpa. domain name pointer pc009015.ydu.edu.tw [90] 16.9.106.120.in-addr.arpa. domain name pointer citrix.ydu.edu.tw [90] 17.9.106.120.in-addr.arpa. domain name pointer webmail.ydu.edu.tw [90] 18.9.106.120.in-addr.arpa. domain name pointer web.ydu.edu.tw [90] 19.9.106.120.in-addr.arpa. domain name pointer stweb.ydu.edu.tw [90] 20.9.106.120.in-addr.arpa. domain name pointer club.ydu.edu.tw [90] 21.9.106.120.in-addr.arpa. domain name pointer research.ydu.edu.tw [90] 22.9.106.120.in-addr.arpa. domain name pointer pc009022.ydu.edu.tw [90] 23.9.106.120.in-addr.arpa. domain name pointer pc009023.ydu.edu.tw [90] 24.9.106.120.in-addr.arpa. domain name pointer spss.ydu.edu.tw [90] 25.9.106.120.in-addr.arpa. domain name pointer pc009025.ydu.edu.tw [90] 26.9.106.120.in-addr.arpa. domain name pointer pc009026.ydu.edu.tw [90] 27.9.106.120.in-addr.arpa. domain name pointer pc009027.ydu.edu.tw [90] 28.9.106.120.in-addr.arpa. domain name pointer pc009028.ydu.edu.tw [90] 29.9.106.120.in-addr.arpa. domain name pointer pc009029.ydu.edu.tw [90] 30.9.106.120.in-addr.arpa. domain name pointer pc009030.ydu.edu.tw [90] 31.9.106.120.in-addr.arpa. domain name pointer source.ydu.edu.tw [90] 32.9.106.120.in-addr.arpa. domain name pointer ismsdoc.ydu.edu.tw [90] 33.9.106.120.in-addr.arpa. domain name pointer pc009033.ydu.edu.tw [90] 34.9.106.120.in-addr.arpa. domain name pointer netscreen.ydu.edu.tw [90] 35.9.106.120.in-addr.arpa. domain name pointer pc009035.ydu.edu.tw [90] 36.9.106.120.in-addr.arpa. domain name pointer pc009036.ydu.edu.tw [90] 37.9.106.120.in-addr.arpa. domain name pointer pc009037.ydu.edu.tw [90] 38.9.106.120.in-addr.arpa. domain name pointer pc009038.ydu.edu.tw [90] 39.9.106.120.in-addr.arpa. domain name pointer pc009039.ydu.edu.tw [90] 40.9.106.120.in-addr.arpa. domain name pointer pc009040.ydu.edu.tw [90] 41.9.106.120.in-addr.arpa. domain name pointer pc009041.ydu.edu.tw [90] 42.9.106.120.in-addr.arpa. domain name pointer pc009042.ydu.edu.tw [90] 43.9.106.120.in-addr.arpa. domain name pointer vx01.ydu.edu.tw [90] 44.9.106.120.in-addr.arpa. domain name pointer vx02.ydu.edu.tw [90] 45.9.106.120.in-addr.arpa. domain name pointer pc009045.ydu.edu.tw [90] 46.9.106.120.in-addr.arpa. domain name pointer pc009046.ydu.edu.tw [90] 47.9.106.120.in-addr.arpa. domain name pointer pc009047.ydu.edu.tw [90] 48.9.106.120.in-addr.arpa. domain name pointer pc009048.ydu.edu.tw [90] 49.9.106.120.in-addr.arpa. domain name pointer pc009049.ydu.edu.tw [90] 50.9.106.120.in-addr.arpa. domain name pointer smtp.ydu.edu.tw [90] 51.9.106.120.in-addr.arpa. domain name pointer mpasp.ydu.edu.tw [90] 52.9.106.120.in-addr.arpa. domain name pointer pc009052.ydu.edu.tw [90] 53.9.106.120.in-addr.arpa. domain name pointer legato.ydu.edu.tw [90] 54.9.106.120.in-addr.arpa. domain name pointer pc009054.ydu.edu.tw [90] 55.9.106.120.in-addr.arpa. domain name pointer pc009055.ydu.edu.tw [90] 56.9.106.120.in-addr.arpa. domain name pointer pc009056.ydu.edu.tw [90] 57.9.106.120.in-addr.arpa. domain name pointer pc009057.ydu.edu.tw [90] 58.9.106.120.in-addr.arpa. domain name pointer pc009058.ydu.edu.tw [90] 59.9.106.120.in-addr.arpa. domain name pointer pc009059.ydu.edu.tw [90] 60.9.106.120.in-addr.arpa. domain name pointer pc009060.ydu.edu.tw [90] 61.9.106.120.in-addr.arpa. domain name pointer pc009061.ydu.edu.tw [90] 62.9.106.120.in-addr.arpa. domain name pointer pc009062.ydu.edu.tw [90] 63.9.106.120.in-addr.arpa. domain name pointer pc009063.ydu.edu.tw [90] 64.9.106.120.in-addr.arpa. domain name pointer pc009064.ydu.edu.tw [90] 65.9.106.120.in-addr.arpa. domain name pointer pc009065.ydu.edu.tw [90] 66.9.106.120.in-addr.arpa. domain name pointer pc009066.ydu.edu.tw [90] 67.9.106.120.in-addr.arpa. domain name pointer netftp.ydu.edu.tw [90] 68.9.106.120.in-addr.arpa. domain name pointer control.ydu.edu.tw [90] 69.9.106.120.in-addr.arpa. domain name pointer log.ydu.edu.tw [90] 70.9.106.120.in-addr.arpa. domain name pointer pc009070.ydu.edu.tw [90] 71.9.106.120.in-addr.arpa. domain name pointer pc009071.ydu.edu.tw [90] 72.9.106.120.in-addr.arpa. domain name pointer pc009072.ydu.edu.tw [90] 73.9.106.120.in-addr.arpa. domain name pointer pc009073.ydu.edu.tw [90] 74.9.106.120.in-addr.arpa. domain name pointer pc009074.ydu.edu.tw [90] 75.9.106.120.in-addr.arpa. domain name pointer pc009075.ydu.edu.tw [90] 76.9.106.120.in-addr.arpa. domain name pointer pc009076.ydu.edu.tw [90] 77.9.106.120.in-addr.arpa. domain name pointer pc009077.ydu.edu.tw [90] 78.9.106.120.in-addr.arpa. domain name pointer pc009078.ydu.edu.tw [90] 79.9.106.120.in-addr.arpa. domain name pointer pc009079.ydu.edu.tw [90] 80.9.106.120.in-addr.arpa. domain name pointer pc009080.ydu.edu.tw [90] 81.9.106.120.in-addr.arpa. domain name pointer pc009081.ydu.edu.tw [90] 82.9.106.120.in-addr.arpa. domain name pointer pc009082.ydu.edu.tw [90] 83.9.106.120.in-addr.arpa. domain name pointer pc009083.ydu.edu.tw [90] 84.9.106.120.in-addr.arpa. domain name pointer pc009084.ydu.edu.tw [90] 85.9.106.120.in-addr.arpa. domain name pointer pc009085.ydu.edu.tw [90] 86.9.106.120.in-addr.arpa. domain name pointer pc009086.ydu.edu.tw [90] 87.9.106.120.in-addr.arpa. domain name pointer pc009087.ydu.edu.tw [90] 88.9.106.120.in-addr.arpa. domain name pointer pc009088.ydu.edu.tw [90] 89.9.106.120.in-addr.arpa. domain name pointer pc009089.ydu.edu.tw [90] 90.9.106.120.in-addr.arpa. domain name pointer pc009090.ydu.edu.tw [90] 91.9.106.120.in-addr.arpa. domain name pointer pc009091.ydu.edu.tw [90] 92.9.106.120.in-addr.arpa. domain name pointer pc009092.ydu.edu.tw [90] 93.9.106.120.in-addr.arpa. domain name pointer pc009093.ydu.edu.tw [90] 94.9.106.120.in-addr.arpa. domain name pointer pc009094.ydu.edu.tw [90] 95.9.106.120.in-addr.arpa. domain name pointer pc009095.ydu.edu.tw [90] 96.9.106.120.in-addr.arpa. domain name pointer pc009096.ydu.edu.tw [90] 97.9.106.120.in-addr.arpa. domain name pointer pc009097.ydu.edu.tw [90] 98.9.106.120.in-addr.arpa. domain name pointer pc009098.ydu.edu.tw [90] 99.9.106.120.in-addr.arpa. domain name pointer pc009099.ydu.edu.tw [90] 100.9.106.120.in-addr.arpa. domain name pointer pc009100.ydu.edu.tw [90] 101.9.106.120.in-addr.arpa. domain name pointer pc009101.ydu.edu.tw [90] 102.9.106.120.in-addr.arpa. domain name pointer pc009102.ydu.edu.tw [90] 103.9.106.120.in-addr.arpa. domain name pointer pc009103.ydu.edu.tw [90] 104.9.106.120.in-addr.arpa. domain name pointer pc009104.ydu.edu.tw [90] 105.9.106.120.in-addr.arpa. domain name pointer pc009105.ydu.edu.tw [90] 106.9.106.120.in-addr.arpa. domain name pointer pc009106.ydu.edu.tw [90] 107.9.106.120.in-addr.arpa. domain name pointer pc009107.ydu.edu.tw [90] 108.9.106.120.in-addr.arpa. domain name pointer pc009108.ydu.edu.tw [90] 109.9.106.120.in-addr.arpa. domain name pointer pc009109.ydu.edu.tw [90] 110.9.106.120.in-addr.arpa. domain name pointer pc009110.ydu.edu.tw [90] 111.9.106.120.in-addr.arpa. domain name pointer pc009111.ydu.edu.tw [90] 112.9.106.120.in-addr.arpa. domain name pointer pc009112.ydu.edu.tw [90] 113.9.106.120.in-addr.arpa. domain name pointer pc009113.ydu.edu.tw [90] 114.9.106.120.in-addr.arpa. domain name pointer pc009114.ydu.edu.tw [90] 115.9.106.120.in-addr.arpa. domain name pointer pc009115.ydu.edu.tw [90] 116.9.106.120.in-addr.arpa. domain name pointer pc009116.ydu.edu.tw [90] 117.9.106.120.in-addr.arpa. domain name pointer pc009117.ydu.edu.tw [90] 118.9.106.120.in-addr.arpa. domain name pointer pc009118.ydu.edu.tw [90] 119.9.106.120.in-addr.arpa. domain name pointer pc009119.ydu.edu.tw [90] 120.9.106.120.in-addr.arpa. domain name pointer pc009120.ydu.edu.tw [90] 121.9.106.120.in-addr.arpa. domain name pointer pc009121.ydu.edu.tw [90] 122.9.106.120.in-addr.arpa. domain name pointer pc009122.ydu.edu.tw [90] 123.9.106.120.in-addr.arpa. domain name pointer pc009123.ydu.edu.tw [90] 124.9.106.120.in-addr.arpa. domain name pointer pc009124.ydu.edu.tw [90] 125.9.106.120.in-addr.arpa. domain name pointer pc009125.ydu.edu.tw [90] 126.9.106.120.in-addr.arpa. domain name pointer pc009126.ydu.edu.tw [90] 127.9.106.120.in-addr.arpa. domain name pointer pc009127.ydu.edu.tw [90] 128.9.106.120.in-addr.arpa. domain name pointer pc009128.ydu.edu.tw [90] 129.9.106.120.in-addr.arpa. domain name pointer pc009129.ydu.edu.tw [90] 130.9.106.120.in-addr.arpa. domain name pointer ga.ydu.edu.tw [90] 131.9.106.120.in-addr.arpa. domain name pointer pc009131.ydu.edu.tw [90] 132.9.106.120.in-addr.arpa. domain name pointer pc009132.ydu.edu.tw [90] 133.9.106.120.in-addr.arpa. domain name pointer pc009133.ydu.edu.tw [90] 134.9.106.120.in-addr.arpa. domain name pointer rd.ydu.edu.tw [90] 135.9.106.120.in-addr.arpa. domain name pointer pc009135.ydu.edu.tw [90] 136.9.106.120.in-addr.arpa. domain name pointer mapa.ydu.edu.tw [90] 137.9.106.120.in-addr.arpa. domain name pointer pc009137.ydu.edu.tw [90] 138.9.106.120.in-addr.arpa. domain name pointer career.ydu.edu.tw [90] 139.9.106.120.in-addr.arpa. domain name pointer pc009139.ydu.edu.tw [90] 140.9.106.120.in-addr.arpa. domain name pointer pc009140.ydu.edu.tw [90] 141.9.106.120.in-addr.arpa. domain name pointer pc009141.ydu.edu.tw [90] 142.9.106.120.in-addr.arpa. domain name pointer act.ydu.edu.tw [90] 143.9.106.120.in-addr.arpa. domain name pointer pc009143.ydu.edu.tw [90] 144.9.106.120.in-addr.arpa. domain name pointer pc009144.ydu.edu.tw [90] 145.9.106.120.in-addr.arpa. domain name pointer pc009145.ydu.edu.tw [90] 146.9.106.120.in-addr.arpa. domain name pointer japonline.ydu.edu.tw [90] 147.9.106.120.in-addr.arpa. domain name pointer pc009147.ydu.edu.tw [90] 148.9.106.120.in-addr.arpa. domain name pointer pc009148.ydu.edu.tw [90] 149.9.106.120.in-addr.arpa. domain name pointer pc009149.ydu.edu.tw [90] 150.9.106.120.in-addr.arpa. domain name pointer doc.ydu.edu.tw [90] 151.9.106.120.in-addr.arpa. domain name pointer pc009151.ydu.edu.tw [90] 152.9.106.120.in-addr.arpa. domain name pointer pc009152.ydu.edu.tw [90] 153.9.106.120.in-addr.arpa. domain name pointer pc009153.ydu.edu.tw [90] 154.9.106.120.in-addr.arpa. domain name pointer pc009154.ydu.edu.tw [90] 155.9.106.120.in-addr.arpa. domain name pointer pc009155.ydu.edu.tw [90] 156.9.106.120.in-addr.arpa. domain name pointer pc009156.ydu.edu.tw [90] 157.9.106.120.in-addr.arpa. domain name pointer pc009157.ydu.edu.tw [90] 158.9.106.120.in-addr.arpa. domain name pointer www.lib.ydu.edu.tw [90] 159.9.106.120.in-addr.arpa. domain name pointer pc009159.ydu.edu.tw [90] 160.9.106.120.in-addr.arpa. domain name pointer pc009160.ydu.edu.tw [90] 161.9.106.120.in-addr.arpa. domain name pointer pc009161.ydu.edu.tw [90] 162.9.106.120.in-addr.arpa. domain name pointer www.eztest.ydu.edu.tw [90] 163.9.106.120.in-addr.arpa. domain name pointer englishonline.ydu.edu.tw [90] 164.9.106.120.in-addr.arpa. domain name pointer pc009164.ydu.edu.tw [90] 165.9.106.120.in-addr.arpa. domain name pointer pc009165.ydu.edu.tw [90] 166.9.106.120.in-addr.arpa. domain name pointer pc009166.ydu.edu.tw [90] 167.9.106.120.in-addr.arpa. domain name pointer cv.ydu.edu.tw [90] 168.9.106.120.in-addr.arpa. domain name pointer pc009168.ydu.edu.tw [90] 169.9.106.120.in-addr.arpa. domain name pointer pc009169.ydu.edu.tw [90] 170.9.106.120.in-addr.arpa. domain name pointer pc009170.ydu.edu.tw [90] 171.9.106.120.in-addr.arpa. domain name pointer pc009171.ydu.edu.tw [90] 172.9.106.120.in-addr.arpa. domain name pointer pc009172.ydu.edu.tw [90] 173.9.106.120.in-addr.arpa. domain name pointer pc009173.ydu.edu.tw [90] 174.9.106.120.in-addr.arpa. domain name pointer pc009174.ydu.edu.tw [90] 175.9.106.120.in-addr.arpa. domain name pointer pc009175.ydu.edu.tw [90] 176.9.106.120.in-addr.arpa. domain name pointer pc009176.ydu.edu.tw [90] 177.9.106.120.in-addr.arpa. domain name pointer pc009177.ydu.edu.tw [90] 178.9.106.120.in-addr.arpa. domain name pointer pc009178.ydu.edu.tw [90] 179.9.106.120.in-addr.arpa. domain name pointer pc009179.ydu.edu.tw [90] 180.9.106.120.in-addr.arpa. domain name pointer pc009180.ydu.edu.tw [90] 181.9.106.120.in-addr.arpa. domain name pointer pc009181.ydu.edu.tw [90] 182.9.106.120.in-addr.arpa. domain name pointer pc009182.ydu.edu.tw [90] 183.9.106.120.in-addr.arpa. domain name pointer pc009183.ydu.edu.tw [90] 184.9.106.120.in-addr.arpa. domain name pointer pc009184.ydu.edu.tw [90] 185.9.106.120.in-addr.arpa. domain name pointer pc009185.ydu.edu.tw [90] 186.9.106.120.in-addr.arpa. domain name pointer pc009186.ydu.edu.tw [90] 187.9.106.120.in-addr.arpa. domain name pointer pc009187.ydu.edu.tw [90] 188.9.106.120.in-addr.arpa. domain name pointer pc009188.ydu.edu.tw [90] 189.9.106.120.in-addr.arpa. domain name pointer pc009189.ydu.edu.tw [90] 190.9.106.120.in-addr.arpa. domain name pointer pc009190.ydu.edu.tw [90] 191.9.106.120.in-addr.arpa. domain name pointer pc009191.ydu.edu.tw [90] 192.9.106.120.in-addr.arpa. domain name pointer pc009192.ydu.edu.tw [90] 193.9.106.120.in-addr.arpa. domain name pointer pc009193.ydu.edu.tw [90] 194.9.106.120.in-addr.arpa. domain name pointer pc009194.ydu.edu.tw [90] 195.9.106.120.in-addr.arpa. domain name pointer pc009195.ydu.edu.tw [90] 196.9.106.120.in-addr.arpa. domain name pointer pc009196.ydu.edu.tw [90] 197.9.106.120.in-addr.arpa. domain name pointer pc009197.ydu.edu.tw [90] 198.9.106.120.in-addr.arpa. domain name pointer pc009198.ydu.edu.tw [90] 199.9.106.120.in-addr.arpa. domain name pointer pc009199.ydu.edu.tw [90] 200.9.106.120.in-addr.arpa. domain name pointer pc009200.ydu.edu.tw [90] 201.9.106.120.in-addr.arpa. domain name pointer pc009201.ydu.edu.tw [90] 202.9.106.120.in-addr.arpa. domain name pointer pc009202.ydu.edu.tw [90] 203.9.106.120.in-addr.arpa. domain name pointer pc009203.ydu.edu.tw [90] 204.9.106.120.in-addr.arpa. domain name pointer pc009204.ydu.edu.tw [90] 205.9.106.120.in-addr.arpa. domain name pointer pc009205.ydu.edu.tw [90] 206.9.106.120.in-addr.arpa. domain name pointer pc009206.ydu.edu.tw [90] 207.9.106.120.in-addr.arpa. domain name pointer pc009207.ydu.edu.tw [90] 208.9.106.120.in-addr.arpa. domain name pointer pc009208.ydu.edu.tw [90] 209.9.106.120.in-addr.arpa. domain name pointer pc009209.ydu.edu.tw [90] 210.9.106.120.in-addr.arpa. domain name pointer pc009210.ydu.edu.tw [90] 211.9.106.120.in-addr.arpa. domain name pointer pc009211.ydu.edu.tw [90] 212.9.106.120.in-addr.arpa. domain name pointer pc009212.ydu.edu.tw [90] 213.9.106.120.in-addr.arpa. domain name pointer pc009213.ydu.edu.tw [90] 214.9.106.120.in-addr.arpa. domain name pointer pc009214.ydu.edu.tw [90] 215.9.106.120.in-addr.arpa. domain name pointer pc009215.ydu.edu.tw [90] 216.9.106.120.in-addr.arpa. domain name pointer pc009216.ydu.edu.tw [90] 217.9.106.120.in-addr.arpa. domain name pointer pc009217.ydu.edu.tw [90] 218.9.106.120.in-addr.arpa. domain name pointer pc009218.ydu.edu.tw [90] 219.9.106.120.in-addr.arpa. domain name pointer pc009219.ydu.edu.tw [90] 220.9.106.120.in-addr.arpa. domain name pointer pc009220.ydu.edu.tw [90] 221.9.106.120.in-addr.arpa. domain name pointer pc009221.ydu.edu.tw [90] 222.9.106.120.in-addr.arpa. domain name pointer pc009222.ydu.edu.tw [90] 223.9.106.120.in-addr.arpa. domain name pointer pc009223.ydu.edu.tw [90] 224.9.106.120.in-addr.arpa. domain name pointer pc009224.ydu.edu.tw [90] 225.9.106.120.in-addr.arpa. domain name pointer pc009225.ydu.edu.tw [90] 226.9.106.120.in-addr.arpa. domain name pointer pc009226.ydu.edu.tw [90] 227.9.106.120.in-addr.arpa. domain name pointer pc009227.ydu.edu.tw [90] 228.9.106.120.in-addr.arpa. domain name pointer pc009228.ydu.edu.tw [90] 229.9.106.120.in-addr.arpa. domain name pointer pc009229.ydu.edu.tw [90] 230.9.106.120.in-addr.arpa. domain name pointer pc009230.ydu.edu.tw [90] 231.9.106.120.in-addr.arpa. domain name pointer pc009231.ydu.edu.tw [90] 232.9.106.120.in-addr.arpa. domain name pointer pc009232.ydu.edu.tw [90] 233.9.106.120.in-addr.arpa. domain name pointer pc009233.ydu.edu.tw [90] 234.9.106.120.in-addr.arpa. domain name pointer pc009234.ydu.edu.tw [90] 235.9.106.120.in-addr.arpa. domain name pointer pc009235.ydu.edu.tw [90] 236.9.106.120.in-addr.arpa. domain name pointer pc009236.ydu.edu.tw [90] 237.9.106.120.in-addr.arpa. domain name pointer pc009237.ydu.edu.tw [90] 238.9.106.120.in-addr.arpa. domain name pointer pc009238.ydu.edu.tw [90] 239.9.106.120.in-addr.arpa. domain name pointer pc009239.ydu.edu.tw [90] 240.9.106.120.in-addr.arpa. domain name pointer pc009240.ydu.edu.tw [90] 241.9.106.120.in-addr.arpa. domain name pointer pc009241.ydu.edu.tw [90] 242.9.106.120.in-addr.arpa. domain name pointer pc009242.ydu.edu.tw [90] 243.9.106.120.in-addr.arpa. domain name pointer pc009243.ydu.edu.tw [90] 244.9.106.120.in-addr.arpa. domain name pointer pc009244.ydu.edu.tw [90] 245.9.106.120.in-addr.arpa. domain name pointer pc009245.ydu.edu.tw [90] 246.9.106.120.in-addr.arpa. domain name pointer pc009246.ydu.edu.tw [90] 247.9.106.120.in-addr.arpa. domain name pointer pc009247.ydu.edu.tw [90] 248.9.106.120.in-addr.arpa. domain name pointer pc009248.ydu.edu.tw [90] 249.9.106.120.in-addr.arpa. domain name pointer pc009249.ydu.edu.tw [90] 250.9.106.120.in-addr.arpa. domain name pointer pc009250.ydu.edu.tw [90] 251.9.106.120.in-addr.arpa. domain name pointer pc009251.ydu.edu.tw [90] 252.9.106.120.in-addr.arpa. domain name pointer pc009252.ydu.edu.tw [90] 253.9.106.120.in-addr.arpa. domain name pointer pc009253.ydu.edu.tw [90] 254.9.106.120.in-addr.arpa. domain name pointer pc009254.ydu.edu.tw [0] 255.9.106.120.in-addr.arpa.: domain name does not exist