[0] 0.151.237.203.in-addr.arpa.: domain name does not exist
[0] 1.151.237.203.in-addr.arpa.: domain name does not exist
[0] 2.151.237.203.in-addr.arpa.: domain name does not exist
[0] 3.151.237.203.in-addr.arpa.: domain name does not exist
[0] 4.151.237.203.in-addr.arpa.: domain name does not exist
[0] 5.151.237.203.in-addr.arpa.: domain name does not exist
[0] 6.151.237.203.in-addr.arpa.: domain name does not exist
[0] 7.151.237.203.in-addr.arpa.: domain name does not exist
[0] 8.151.237.203.in-addr.arpa.: domain name does not exist
[0] 9.151.237.203.in-addr.arpa.: domain name does not exist
[0] 10.151.237.203.in-addr.arpa.: domain name does not exist
[86400] 11.151.237.203.in-addr.arpa. domain name pointer ip151011.dju.ac.kr
[86400] 12.151.237.203.in-addr.arpa. domain name pointer ip151012.dju.ac.kr
[86400] 13.151.237.203.in-addr.arpa. domain name pointer ip151013.dju.ac.kr
[86400] 14.151.237.203.in-addr.arpa. domain name pointer ip151014.dju.ac.kr
[86400] 15.151.237.203.in-addr.arpa. domain name pointer ip151015.dju.ac.kr
[86400] 16.151.237.203.in-addr.arpa. domain name pointer ip151016.dju.ac.kr
[86400] 17.151.237.203.in-addr.arpa. domain name pointer ip151017.dju.ac.kr
[86400] 18.151.237.203.in-addr.arpa. domain name pointer ip151018.dju.ac.kr
[86400] 19.151.237.203.in-addr.arpa. domain name pointer ip151019.dju.ac.kr
[86400] 20.151.237.203.in-addr.arpa. domain name pointer ip151020.dju.ac.kr
[86400] 21.151.237.203.in-addr.arpa. domain name pointer ip151021.dju.ac.kr
[86400] 22.151.237.203.in-addr.arpa. domain name pointer ip151022.dju.ac.kr
[86400] 23.151.237.203.in-addr.arpa. domain name pointer ip151023.dju.ac.kr
[86400] 24.151.237.203.in-addr.arpa. domain name pointer ip151024.dju.ac.kr
[86400] 25.151.237.203.in-addr.arpa. domain name pointer ip151025.dju.ac.kr
[86400] 26.151.237.203.in-addr.arpa. domain name pointer ip151026.dju.ac.kr
[86400] 27.151.237.203.in-addr.arpa. domain name pointer ip151027.dju.ac.kr
[86400] 28.151.237.203.in-addr.arpa. domain name pointer ip151028.dju.ac.kr
[86400] 29.151.237.203.in-addr.arpa. domain name pointer ip151029.dju.ac.kr
[86400] 30.151.237.203.in-addr.arpa. domain name pointer ip151030.dju.ac.kr
[86400] 31.151.237.203.in-addr.arpa. domain name pointer ip151031.dju.ac.kr
[86400] 32.151.237.203.in-addr.arpa. domain name pointer ip151032.dju.ac.kr
[86400] 33.151.237.203.in-addr.arpa. domain name pointer ip151033.dju.ac.kr
[86400] 34.151.237.203.in-addr.arpa. domain name pointer ip151034.dju.ac.kr
[86400] 35.151.237.203.in-addr.arpa. domain name pointer ip151035.dju.ac.kr
[86400] 36.151.237.203.in-addr.arpa. domain name pointer ip151036.dju.ac.kr
[86400] 37.151.237.203.in-addr.arpa. domain name pointer ip151037.dju.ac.kr
[86400] 38.151.237.203.in-addr.arpa. domain name pointer ip151038.dju.ac.kr
[86400] 39.151.237.203.in-addr.arpa. domain name pointer ip151039.dju.ac.kr
[86400] 40.151.237.203.in-addr.arpa. domain name pointer ip151040.dju.ac.kr
[86400] 41.151.237.203.in-addr.arpa. domain name pointer ip151041.dju.ac.kr
[86400] 42.151.237.203.in-addr.arpa. domain name pointer ip151042.dju.ac.kr
[86400] 43.151.237.203.in-addr.arpa. domain name pointer ip151043.dju.ac.kr
[86400] 44.151.237.203.in-addr.arpa. domain name pointer ip151044.dju.ac.kr
[86400] 45.151.237.203.in-addr.arpa. domain name pointer ip151045.dju.ac.kr
[86400] 46.151.237.203.in-addr.arpa. domain name pointer ip151046.dju.ac.kr
[86400] 47.151.237.203.in-addr.arpa. domain name pointer ip151047.dju.ac.kr
[86400] 48.151.237.203.in-addr.arpa. domain name pointer ip151048.dju.ac.kr
[86400] 49.151.237.203.in-addr.arpa. domain name pointer ip151049.dju.ac.kr
[86400] 50.151.237.203.in-addr.arpa. domain name pointer ip151050.dju.ac.kr
[86400] 51.151.237.203.in-addr.arpa. domain name pointer ip151051.dju.ac.kr
[86400] 52.151.237.203.in-addr.arpa. domain name pointer ip151052.dju.ac.kr
[86400] 53.151.237.203.in-addr.arpa. domain name pointer ip151053.dju.ac.kr
[86400] 54.151.237.203.in-addr.arpa. domain name pointer ip151054.dju.ac.kr
[86400] 55.151.237.203.in-addr.arpa. domain name pointer ip151055.dju.ac.kr
[86400] 56.151.237.203.in-addr.arpa. domain name pointer ip151056.dju.ac.kr
[86400] 57.151.237.203.in-addr.arpa. domain name pointer ip151057.dju.ac.kr
[86400] 58.151.237.203.in-addr.arpa. domain name pointer ip151058.dju.ac.kr
[86400] 59.151.237.203.in-addr.arpa. domain name pointer ip151059.dju.ac.kr
[86400] 60.151.237.203.in-addr.arpa. domain name pointer ip151060.dju.ac.kr
[86400] 61.151.237.203.in-addr.arpa. domain name pointer ip151061.dju.ac.kr
[86400] 62.151.237.203.in-addr.arpa. domain name pointer ip151062.dju.ac.kr
[86400] 63.151.237.203.in-addr.arpa. domain name pointer ip151063.dju.ac.kr
[86400] 64.151.237.203.in-addr.arpa. domain name pointer ip151064.dju.ac.kr
[86400] 65.151.237.203.in-addr.arpa. domain name pointer ip151065.dju.ac.kr
[86400] 66.151.237.203.in-addr.arpa. domain name pointer ip151066.dju.ac.kr
[86400] 67.151.237.203.in-addr.arpa. domain name pointer ip151067.dju.ac.kr
[86400] 68.151.237.203.in-addr.arpa. domain name pointer ip151068.dju.ac.kr
[86400] 69.151.237.203.in-addr.arpa. domain name pointer ip151069.dju.ac.kr
[86400] 70.151.237.203.in-addr.arpa. domain name pointer ip151070.dju.ac.kr
[86400] 71.151.237.203.in-addr.arpa. domain name pointer ip151071.dju.ac.kr
[86400] 72.151.237.203.in-addr.arpa. domain name pointer ip151072.dju.ac.kr
[86400] 73.151.237.203.in-addr.arpa. domain name pointer ip151073.dju.ac.kr
[86400] 74.151.237.203.in-addr.arpa. domain name pointer ip151074.dju.ac.kr
[86400] 75.151.237.203.in-addr.arpa. domain name pointer ip151075.dju.ac.kr
[86400] 76.151.237.203.in-addr.arpa. domain name pointer ip151076.dju.ac.kr
[86400] 77.151.237.203.in-addr.arpa. domain name pointer ip151077.dju.ac.kr
[86400] 78.151.237.203.in-addr.arpa. domain name pointer ip151078.dju.ac.kr
[86400] 79.151.237.203.in-addr.arpa. domain name pointer ip151079.dju.ac.kr
[86400] 80.151.237.203.in-addr.arpa. domain name pointer ip151080.dju.ac.kr
[86400] 81.151.237.203.in-addr.arpa. domain name pointer ip151081.dju.ac.kr
[86400] 82.151.237.203.in-addr.arpa. domain name pointer ip151082.dju.ac.kr
[86400] 83.151.237.203.in-addr.arpa. domain name pointer ip151083.dju.ac.kr
[86400] 84.151.237.203.in-addr.arpa. domain name pointer ip151084.dju.ac.kr
[86400] 85.151.237.203.in-addr.arpa. domain name pointer ip151085.dju.ac.kr
[86400] 86.151.237.203.in-addr.arpa. domain name pointer ip151086.dju.ac.kr
[86400] 87.151.237.203.in-addr.arpa. domain name pointer ip151087.dju.ac.kr
[86400] 88.151.237.203.in-addr.arpa. domain name pointer ip151088.dju.ac.kr
[86400] 89.151.237.203.in-addr.arpa. domain name pointer ip151089.dju.ac.kr
[86400] 90.151.237.203.in-addr.arpa. domain name pointer ip151090.dju.ac.kr
[86400] 91.151.237.203.in-addr.arpa. domain name pointer ip151091.dju.ac.kr
[86400] 92.151.237.203.in-addr.arpa. domain name pointer ip151092.dju.ac.kr
[86400] 93.151.237.203.in-addr.arpa. domain name pointer ip151093.dju.ac.kr
[86400] 94.151.237.203.in-addr.arpa. domain name pointer ip151094.dju.ac.kr
[86400] 95.151.237.203.in-addr.arpa. domain name pointer ip151095.dju.ac.kr
[86400] 96.151.237.203.in-addr.arpa. domain name pointer ip151096.dju.ac.kr
[86400] 97.151.237.203.in-addr.arpa. domain name pointer ip151097.dju.ac.kr
[86400] 98.151.237.203.in-addr.arpa. domain name pointer ip151098.dju.ac.kr
[86400] 99.151.237.203.in-addr.arpa. domain name pointer ip151099.dju.ac.kr
[86400] 100.151.237.203.in-addr.arpa. domain name pointer ip151100.dju.ac.kr
[86400] 101.151.237.203.in-addr.arpa. domain name pointer ip151101.dju.ac.kr
[86400] 102.151.237.203.in-addr.arpa. domain name pointer ip151102.dju.ac.kr
[86400] 103.151.237.203.in-addr.arpa. domain name pointer ip151103.dju.ac.kr
[86400] 104.151.237.203.in-addr.arpa. domain name pointer ip151104.dju.ac.kr
[86400] 105.151.237.203.in-addr.arpa. domain name pointer ip151105.dju.ac.kr
[86400] 106.151.237.203.in-addr.arpa. domain name pointer ip151106.dju.ac.kr
[86400] 107.151.237.203.in-addr.arpa. domain name pointer ip151107.dju.ac.kr
[86400] 108.151.237.203.in-addr.arpa. domain name pointer ip151108.dju.ac.kr
[86400] 109.151.237.203.in-addr.arpa. domain name pointer ip151109.dju.ac.kr
[86400] 110.151.237.203.in-addr.arpa. domain name pointer ip151110.dju.ac.kr
[86400] 111.151.237.203.in-addr.arpa. domain name pointer ip151111.dju.ac.kr
[86400] 112.151.237.203.in-addr.arpa. domain name pointer ip151112.dju.ac.kr
[86400] 113.151.237.203.in-addr.arpa. domain name pointer ip151113.dju.ac.kr
[86400] 114.151.237.203.in-addr.arpa. domain name pointer ip151114.dju.ac.kr
[86400] 115.151.237.203.in-addr.arpa. domain name pointer ip151115.dju.ac.kr
[86400] 116.151.237.203.in-addr.arpa. domain name pointer ip151116.dju.ac.kr
[86400] 117.151.237.203.in-addr.arpa. domain name pointer ip151117.dju.ac.kr
[86400] 118.151.237.203.in-addr.arpa. domain name pointer ip151118.dju.ac.kr
[86400] 119.151.237.203.in-addr.arpa. domain name pointer ip151119.dju.ac.kr
[86400] 120.151.237.203.in-addr.arpa. domain name pointer ip151120.dju.ac.kr
[86400] 121.151.237.203.in-addr.arpa. domain name pointer ip151121.dju.ac.kr
[86400] 122.151.237.203.in-addr.arpa. domain name pointer ip151122.dju.ac.kr
[86400] 123.151.237.203.in-addr.arpa. domain name pointer ip151123.dju.ac.kr
[86400] 124.151.237.203.in-addr.arpa. domain name pointer ip151124.dju.ac.kr
[86400] 125.151.237.203.in-addr.arpa. domain name pointer ip151125.dju.ac.kr
[86400] 126.151.237.203.in-addr.arpa. domain name pointer ip151126.dju.ac.kr
[86400] 127.151.237.203.in-addr.arpa. domain name pointer ip151127.dju.ac.kr
[86400] 128.151.237.203.in-addr.arpa. domain name pointer ip151128.dju.ac.kr
[86400] 129.151.237.203.in-addr.arpa. domain name pointer ip151129.dju.ac.kr
[86400] 130.151.237.203.in-addr.arpa. domain name pointer ip151130.dju.ac.kr
[86400] 131.151.237.203.in-addr.arpa. domain name pointer ip151131.dju.ac.kr
[86400] 132.151.237.203.in-addr.arpa. domain name pointer ip151132.dju.ac.kr
[86400] 133.151.237.203.in-addr.arpa. domain name pointer ip151133.dju.ac.kr
[86400] 134.151.237.203.in-addr.arpa. domain name pointer ip151134.dju.ac.kr
[86400] 135.151.237.203.in-addr.arpa. domain name pointer ip151135.dju.ac.kr
[86400] 136.151.237.203.in-addr.arpa. domain name pointer ip151136.dju.ac.kr
[86400] 137.151.237.203.in-addr.arpa. domain name pointer ip151137.dju.ac.kr
[86400] 138.151.237.203.in-addr.arpa. domain name pointer ip151138.dju.ac.kr
[86400] 139.151.237.203.in-addr.arpa. domain name pointer ip151139.dju.ac.kr
[86400] 140.151.237.203.in-addr.arpa. domain name pointer ip151140.dju.ac.kr
[86400] 141.151.237.203.in-addr.arpa. domain name pointer ip151141.dju.ac.kr
[86400] 142.151.237.203.in-addr.arpa. domain name pointer ip151142.dju.ac.kr
[86400] 143.151.237.203.in-addr.arpa. domain name pointer ip151143.dju.ac.kr
[86400] 144.151.237.203.in-addr.arpa. domain name pointer ip151144.dju.ac.kr
[86400] 145.151.237.203.in-addr.arpa. domain name pointer ip151145.dju.ac.kr
[86400] 146.151.237.203.in-addr.arpa. domain name pointer ip151146.dju.ac.kr
[86400] 147.151.237.203.in-addr.arpa. domain name pointer ip151147.dju.ac.kr
[86400] 148.151.237.203.in-addr.arpa. domain name pointer ip151148.dju.ac.kr
[86400] 149.151.237.203.in-addr.arpa. domain name pointer ip151149.dju.ac.kr
[86400] 150.151.237.203.in-addr.arpa. domain name pointer ip151150.dju.ac.kr
[86400] 151.151.237.203.in-addr.arpa. domain name pointer ip151151.dju.ac.kr
[86400] 152.151.237.203.in-addr.arpa. domain name pointer ip151152.dju.ac.kr
[86400] 153.151.237.203.in-addr.arpa. domain name pointer ip151153.dju.ac.kr
[86400] 154.151.237.203.in-addr.arpa. domain name pointer ip151154.dju.ac.kr
[86400] 155.151.237.203.in-addr.arpa. domain name pointer ip151155.dju.ac.kr
[86400] 156.151.237.203.in-addr.arpa. domain name pointer ip151156.dju.ac.kr
[86400] 157.151.237.203.in-addr.arpa. domain name pointer ip151157.dju.ac.kr
[86400] 158.151.237.203.in-addr.arpa. domain name pointer ip151158.dju.ac.kr
[86400] 159.151.237.203.in-addr.arpa. domain name pointer ip151159.dju.ac.kr
[86400] 160.151.237.203.in-addr.arpa. domain name pointer ip151160.dju.ac.kr
[86400] 161.151.237.203.in-addr.arpa. domain name pointer ip151161.dju.ac.kr
[86400] 162.151.237.203.in-addr.arpa. domain name pointer ip151162.dju.ac.kr
[86400] 163.151.237.203.in-addr.arpa. domain name pointer ip151163.dju.ac.kr
[86400] 164.151.237.203.in-addr.arpa. domain name pointer ip151164.dju.ac.kr
[86400] 165.151.237.203.in-addr.arpa. domain name pointer ip151165.dju.ac.kr
[86400] 166.151.237.203.in-addr.arpa. domain name pointer ip151166.dju.ac.kr
[86400] 167.151.237.203.in-addr.arpa. domain name pointer ip151167.dju.ac.kr
[86400] 168.151.237.203.in-addr.arpa. domain name pointer ip151168.dju.ac.kr
[86400] 169.151.237.203.in-addr.arpa. domain name pointer ip151169.dju.ac.kr
[86400] 170.151.237.203.in-addr.arpa. domain name pointer ip151170.dju.ac.kr
[86400] 171.151.237.203.in-addr.arpa. domain name pointer ip151171.dju.ac.kr
[86400] 172.151.237.203.in-addr.arpa. domain name pointer ip151172.dju.ac.kr
[86400] 173.151.237.203.in-addr.arpa. domain name pointer ip151173.dju.ac.kr
[86400] 174.151.237.203.in-addr.arpa. domain name pointer ip151174.dju.ac.kr
[86400] 175.151.237.203.in-addr.arpa. domain name pointer ip151175.dju.ac.kr
[86400] 176.151.237.203.in-addr.arpa. domain name pointer ip151176.dju.ac.kr
[86400] 177.151.237.203.in-addr.arpa. domain name pointer ip151177.dju.ac.kr
[86400] 178.151.237.203.in-addr.arpa. domain name pointer ip151178.dju.ac.kr
[86400] 179.151.237.203.in-addr.arpa. domain name pointer ip151179.dju.ac.kr
[86400] 180.151.237.203.in-addr.arpa. domain name pointer ip151180.dju.ac.kr
[86400] 181.151.237.203.in-addr.arpa. domain name pointer ip151181.dju.ac.kr
[86400] 182.151.237.203.in-addr.arpa. domain name pointer ip151182.dju.ac.kr
[86400] 183.151.237.203.in-addr.arpa. domain name pointer ip151183.dju.ac.kr
[86400] 184.151.237.203.in-addr.arpa. domain name pointer ip151184.dju.ac.kr
[86400] 185.151.237.203.in-addr.arpa. domain name pointer ip151185.dju.ac.kr
[86400] 186.151.237.203.in-addr.arpa. domain name pointer ip151186.dju.ac.kr
[86400] 187.151.237.203.in-addr.arpa. domain name pointer ip151187.dju.ac.kr
[86400] 188.151.237.203.in-addr.arpa. domain name pointer ip151188.dju.ac.kr
[86400] 189.151.237.203.in-addr.arpa. domain name pointer ip151189.dju.ac.kr
[86400] 190.151.237.203.in-addr.arpa. domain name pointer ip151190.dju.ac.kr
[86400] 191.151.237.203.in-addr.arpa. domain name pointer ip151191.dju.ac.kr
[86400] 192.151.237.203.in-addr.arpa. domain name pointer ip151192.dju.ac.kr
[86400] 193.151.237.203.in-addr.arpa. domain name pointer ip151193.dju.ac.kr
[86400] 194.151.237.203.in-addr.arpa. domain name pointer ip151194.dju.ac.kr
[86400] 195.151.237.203.in-addr.arpa. domain name pointer ip151195.dju.ac.kr
[86400] 196.151.237.203.in-addr.arpa. domain name pointer ip151196.dju.ac.kr
[86400] 197.151.237.203.in-addr.arpa. domain name pointer ip151197.dju.ac.kr
[86400] 198.151.237.203.in-addr.arpa. domain name pointer ip151198.dju.ac.kr
[86400] 199.151.237.203.in-addr.arpa. domain name pointer ip151199.dju.ac.kr
[86400] 200.151.237.203.in-addr.arpa. domain name pointer ip151200.dju.ac.kr
[86400] 201.151.237.203.in-addr.arpa. domain name pointer ip151201.dju.ac.kr
[86400] 202.151.237.203.in-addr.arpa. domain name pointer ip151202.dju.ac.kr
[86400] 203.151.237.203.in-addr.arpa. domain name pointer ip151203.dju.ac.kr
[86400] 204.151.237.203.in-addr.arpa. domain name pointer ip151204.dju.ac.kr
[86400] 205.151.237.203.in-addr.arpa. domain name pointer ip151205.dju.ac.kr
[86400] 206.151.237.203.in-addr.arpa. domain name pointer ip151206.dju.ac.kr
[86400] 207.151.237.203.in-addr.arpa. domain name pointer ip151207.dju.ac.kr
[86400] 208.151.237.203.in-addr.arpa. domain name pointer ip151208.dju.ac.kr
[86400] 209.151.237.203.in-addr.arpa. domain name pointer ip151209.dju.ac.kr
[86400] 210.151.237.203.in-addr.arpa. domain name pointer ip151210.dju.ac.kr
[86400] 211.151.237.203.in-addr.arpa. domain name pointer ip151211.dju.ac.kr
[86400] 212.151.237.203.in-addr.arpa. domain name pointer ip151212.dju.ac.kr
[86400] 213.151.237.203.in-addr.arpa. domain name pointer ip151213.dju.ac.kr
[86400] 214.151.237.203.in-addr.arpa. domain name pointer ip151214.dju.ac.kr
[86400] 215.151.237.203.in-addr.arpa. domain name pointer ip151215.dju.ac.kr
[86400] 216.151.237.203.in-addr.arpa. domain name pointer ip151216.dju.ac.kr
[86400] 217.151.237.203.in-addr.arpa. domain name pointer ip151217.dju.ac.kr
[86400] 218.151.237.203.in-addr.arpa. domain name pointer ip151218.dju.ac.kr
[86400] 219.151.237.203.in-addr.arpa. domain name pointer ip151219.dju.ac.kr
[86400] 220.151.237.203.in-addr.arpa. domain name pointer ip151220.dju.ac.kr
[86400] 221.151.237.203.in-addr.arpa. domain name pointer ip151221.dju.ac.kr
[86400] 222.151.237.203.in-addr.arpa. domain name pointer ip151222.dju.ac.kr
[86400] 223.151.237.203.in-addr.arpa. domain name pointer ip151223.dju.ac.kr
[86400] 224.151.237.203.in-addr.arpa. domain name pointer ip151224.dju.ac.kr
[86400] 225.151.237.203.in-addr.arpa. domain name pointer ip151225.dju.ac.kr
[86400] 226.151.237.203.in-addr.arpa. domain name pointer ip151226.dju.ac.kr
[86400] 227.151.237.203.in-addr.arpa. domain name pointer ip151227.dju.ac.kr
[86400] 228.151.237.203.in-addr.arpa. domain name pointer ip151228.dju.ac.kr
[86400] 229.151.237.203.in-addr.arpa. domain name pointer ip151229.dju.ac.kr
[86400] 230.151.237.203.in-addr.arpa. domain name pointer ip151230.dju.ac.kr
[86400] 231.151.237.203.in-addr.arpa. domain name pointer ip151231.dju.ac.kr
[86400] 232.151.237.203.in-addr.arpa. domain name pointer ip151232.dju.ac.kr
[86400] 233.151.237.203.in-addr.arpa. domain name pointer ip151233.dju.ac.kr
[86400] 234.151.237.203.in-addr.arpa. domain name pointer ip151234.dju.ac.kr
[86400] 235.151.237.203.in-addr.arpa. domain name pointer ip151235.dju.ac.kr
[86400] 236.151.237.203.in-addr.arpa. domain name pointer ip151236.dju.ac.kr
[86400] 237.151.237.203.in-addr.arpa. domain name pointer ip151237.dju.ac.kr
[86400] 238.151.237.203.in-addr.arpa. domain name pointer ip151238.dju.ac.kr
[86400] 239.151.237.203.in-addr.arpa. domain name pointer ip151239.dju.ac.kr
[86400] 240.151.237.203.in-addr.arpa. domain name pointer ip151240.dju.ac.kr
[86400] 241.151.237.203.in-addr.arpa. domain name pointer ip151241.dju.ac.kr
[86400] 242.151.237.203.in-addr.arpa. domain name pointer ip151242.dju.ac.kr
[86400] 243.151.237.203.in-addr.arpa. domain name pointer ip151243.dju.ac.kr
[86400] 244.151.237.203.in-addr.arpa. domain name pointer ip151244.dju.ac.kr
[86400] 245.151.237.203.in-addr.arpa. domain name pointer ip151245.dju.ac.kr
[86400] 246.151.237.203.in-addr.arpa. domain name pointer ip151246.dju.ac.kr
[86400] 247.151.237.203.in-addr.arpa. domain name pointer ip151247.dju.ac.kr
[86400] 248.151.237.203.in-addr.arpa. domain name pointer ip151248.dju.ac.kr
[86400] 249.151.237.203.in-addr.arpa. domain name pointer ip151249.dju.ac.kr
[86400] 250.151.237.203.in-addr.arpa. domain name pointer ip151250.dju.ac.kr
[86400] 251.151.237.203.in-addr.arpa. domain name pointer ip151251.dju.ac.kr
[86400] 252.151.237.203.in-addr.arpa. domain name pointer ip151252.dju.ac.kr
[86400] 253.151.237.203.in-addr.arpa. domain name pointer ip151253.dju.ac.kr
[86400] 254.151.237.203.in-addr.arpa. domain name pointer ip151254.dju.ac.kr
[0] 255.151.237.203.in-addr.arpa.: domain name does not exist