[0] 0.159.237.203.in-addr.arpa.: domain name does not exist
[0] 1.159.237.203.in-addr.arpa.: domain name does not exist
[0] 2.159.237.203.in-addr.arpa.: domain name does not exist
[0] 3.159.237.203.in-addr.arpa.: domain name does not exist
[0] 4.159.237.203.in-addr.arpa.: domain name does not exist
[0] 5.159.237.203.in-addr.arpa.: domain name does not exist
[0] 6.159.237.203.in-addr.arpa.: domain name does not exist
[0] 7.159.237.203.in-addr.arpa.: domain name does not exist
[0] 8.159.237.203.in-addr.arpa.: domain name does not exist
[0] 9.159.237.203.in-addr.arpa.: domain name does not exist
[0] 10.159.237.203.in-addr.arpa.: domain name does not exist
[86400] 11.159.237.203.in-addr.arpa. domain name pointer ip159011.dju.ac.kr
[86400] 12.159.237.203.in-addr.arpa. domain name pointer ip159012.dju.ac.kr
[86400] 13.159.237.203.in-addr.arpa. domain name pointer ip159013.dju.ac.kr
[86400] 14.159.237.203.in-addr.arpa. domain name pointer ip159014.dju.ac.kr
[86400] 15.159.237.203.in-addr.arpa. domain name pointer ip159015.dju.ac.kr
[86400] 16.159.237.203.in-addr.arpa. domain name pointer ip159016.dju.ac.kr
[86400] 17.159.237.203.in-addr.arpa. domain name pointer ip159017.dju.ac.kr
[86400] 18.159.237.203.in-addr.arpa. domain name pointer ip159018.dju.ac.kr
[86400] 19.159.237.203.in-addr.arpa. domain name pointer ip159019.dju.ac.kr
[86400] 20.159.237.203.in-addr.arpa. domain name pointer ip159020.dju.ac.kr
[86400] 21.159.237.203.in-addr.arpa. domain name pointer ip159021.dju.ac.kr
[86400] 22.159.237.203.in-addr.arpa. domain name pointer ip159022.dju.ac.kr
[86400] 23.159.237.203.in-addr.arpa. domain name pointer ip159023.dju.ac.kr
[86400] 24.159.237.203.in-addr.arpa. domain name pointer ip159024.dju.ac.kr
[86400] 25.159.237.203.in-addr.arpa. domain name pointer ip159025.dju.ac.kr
[86400] 26.159.237.203.in-addr.arpa. domain name pointer ip159026.dju.ac.kr
[86400] 27.159.237.203.in-addr.arpa. domain name pointer ip159027.dju.ac.kr
[86400] 28.159.237.203.in-addr.arpa. domain name pointer ip159028.dju.ac.kr
[86400] 29.159.237.203.in-addr.arpa. domain name pointer ip159029.dju.ac.kr
[86400] 30.159.237.203.in-addr.arpa. domain name pointer ip159030.dju.ac.kr
[86400] 31.159.237.203.in-addr.arpa. domain name pointer ip159031.dju.ac.kr
[86400] 32.159.237.203.in-addr.arpa. domain name pointer ip159032.dju.ac.kr
[86400] 33.159.237.203.in-addr.arpa. domain name pointer ip159033.dju.ac.kr
[86400] 34.159.237.203.in-addr.arpa. domain name pointer ip159034.dju.ac.kr
[86400] 35.159.237.203.in-addr.arpa. domain name pointer ip159035.dju.ac.kr
[86400] 36.159.237.203.in-addr.arpa. domain name pointer ip159036.dju.ac.kr
[86400] 37.159.237.203.in-addr.arpa. domain name pointer ip159037.dju.ac.kr
[86400] 38.159.237.203.in-addr.arpa. domain name pointer ip159038.dju.ac.kr
[86400] 39.159.237.203.in-addr.arpa. domain name pointer ip159039.dju.ac.kr
[86400] 40.159.237.203.in-addr.arpa. domain name pointer ip159040.dju.ac.kr
[86400] 41.159.237.203.in-addr.arpa. domain name pointer ip159041.dju.ac.kr
[86400] 42.159.237.203.in-addr.arpa. domain name pointer ip159042.dju.ac.kr
[86400] 43.159.237.203.in-addr.arpa. domain name pointer ip159043.dju.ac.kr
[86400] 44.159.237.203.in-addr.arpa. domain name pointer ip159044.dju.ac.kr
[86400] 45.159.237.203.in-addr.arpa. domain name pointer ip159045.dju.ac.kr
[86400] 46.159.237.203.in-addr.arpa. domain name pointer ip159046.dju.ac.kr
[86400] 47.159.237.203.in-addr.arpa. domain name pointer ip159047.dju.ac.kr
[86400] 48.159.237.203.in-addr.arpa. domain name pointer ip159048.dju.ac.kr
[86400] 49.159.237.203.in-addr.arpa. domain name pointer ip159049.dju.ac.kr
[86400] 50.159.237.203.in-addr.arpa. domain name pointer ip159050.dju.ac.kr
[86400] 51.159.237.203.in-addr.arpa. domain name pointer ip159051.dju.ac.kr
[86400] 52.159.237.203.in-addr.arpa. domain name pointer ip159052.dju.ac.kr
[86400] 53.159.237.203.in-addr.arpa. domain name pointer ip159053.dju.ac.kr
[86400] 54.159.237.203.in-addr.arpa. domain name pointer ip159054.dju.ac.kr
[86400] 55.159.237.203.in-addr.arpa. domain name pointer ip159055.dju.ac.kr
[86400] 56.159.237.203.in-addr.arpa. domain name pointer ip159056.dju.ac.kr
[86400] 57.159.237.203.in-addr.arpa. domain name pointer ip159057.dju.ac.kr
[86400] 58.159.237.203.in-addr.arpa. domain name pointer ip159058.dju.ac.kr
[86400] 59.159.237.203.in-addr.arpa. domain name pointer ip159059.dju.ac.kr
[86400] 60.159.237.203.in-addr.arpa. domain name pointer ip159060.dju.ac.kr
[86400] 61.159.237.203.in-addr.arpa. domain name pointer ip159061.dju.ac.kr
[86400] 62.159.237.203.in-addr.arpa. domain name pointer ip159062.dju.ac.kr
[86400] 63.159.237.203.in-addr.arpa. domain name pointer ip159063.dju.ac.kr
[86400] 64.159.237.203.in-addr.arpa. domain name pointer ip159064.dju.ac.kr
[86400] 65.159.237.203.in-addr.arpa. domain name pointer ip159065.dju.ac.kr
[86400] 66.159.237.203.in-addr.arpa. domain name pointer ip159066.dju.ac.kr
[86400] 67.159.237.203.in-addr.arpa. domain name pointer ip159067.dju.ac.kr
[86400] 68.159.237.203.in-addr.arpa. domain name pointer ip159068.dju.ac.kr
[86400] 69.159.237.203.in-addr.arpa. domain name pointer ip159069.dju.ac.kr
[86400] 70.159.237.203.in-addr.arpa. domain name pointer ip159070.dju.ac.kr
[86400] 71.159.237.203.in-addr.arpa. domain name pointer ip159071.dju.ac.kr
[86400] 72.159.237.203.in-addr.arpa. domain name pointer ip159072.dju.ac.kr
[86400] 73.159.237.203.in-addr.arpa. domain name pointer ip159073.dju.ac.kr
[86400] 74.159.237.203.in-addr.arpa. domain name pointer ip159074.dju.ac.kr
[86400] 75.159.237.203.in-addr.arpa. domain name pointer ip159075.dju.ac.kr
[86400] 76.159.237.203.in-addr.arpa. domain name pointer ip159076.dju.ac.kr
[86400] 77.159.237.203.in-addr.arpa. domain name pointer ip159077.dju.ac.kr
[86400] 78.159.237.203.in-addr.arpa. domain name pointer ip159078.dju.ac.kr
[86400] 79.159.237.203.in-addr.arpa. domain name pointer ip159079.dju.ac.kr
[86400] 80.159.237.203.in-addr.arpa. domain name pointer ip159080.dju.ac.kr
[86400] 81.159.237.203.in-addr.arpa. domain name pointer ip159081.dju.ac.kr
[86400] 82.159.237.203.in-addr.arpa. domain name pointer ip159082.dju.ac.kr
[86400] 83.159.237.203.in-addr.arpa. domain name pointer ip159083.dju.ac.kr
[86400] 84.159.237.203.in-addr.arpa. domain name pointer ip159084.dju.ac.kr
[86400] 85.159.237.203.in-addr.arpa. domain name pointer ip159085.dju.ac.kr
[86400] 86.159.237.203.in-addr.arpa. domain name pointer ip159086.dju.ac.kr
[86400] 87.159.237.203.in-addr.arpa. domain name pointer ip159087.dju.ac.kr
[86400] 88.159.237.203.in-addr.arpa. domain name pointer ip159088.dju.ac.kr
[86400] 89.159.237.203.in-addr.arpa. domain name pointer ip159089.dju.ac.kr
[86400] 90.159.237.203.in-addr.arpa. domain name pointer ip159090.dju.ac.kr
[86400] 91.159.237.203.in-addr.arpa. domain name pointer ip159091.dju.ac.kr
[86400] 92.159.237.203.in-addr.arpa. domain name pointer ip159092.dju.ac.kr
[86400] 93.159.237.203.in-addr.arpa. domain name pointer ip159093.dju.ac.kr
[86400] 94.159.237.203.in-addr.arpa. domain name pointer ip159094.dju.ac.kr
[86400] 95.159.237.203.in-addr.arpa. domain name pointer ip159095.dju.ac.kr
[86400] 96.159.237.203.in-addr.arpa. domain name pointer ip159096.dju.ac.kr
[86400] 97.159.237.203.in-addr.arpa. domain name pointer ip159097.dju.ac.kr
[86400] 98.159.237.203.in-addr.arpa. domain name pointer ip159098.dju.ac.kr
[86400] 99.159.237.203.in-addr.arpa. domain name pointer ip159099.dju.ac.kr
[86400] 100.159.237.203.in-addr.arpa. domain name pointer ip159100.dju.ac.kr
[86400] 101.159.237.203.in-addr.arpa. domain name pointer ip159101.dju.ac.kr
[86400] 102.159.237.203.in-addr.arpa. domain name pointer ip159102.dju.ac.kr
[86400] 103.159.237.203.in-addr.arpa. domain name pointer ip159103.dju.ac.kr
[86400] 104.159.237.203.in-addr.arpa. domain name pointer ip159104.dju.ac.kr
[86400] 105.159.237.203.in-addr.arpa. domain name pointer ip159105.dju.ac.kr
[86400] 106.159.237.203.in-addr.arpa. domain name pointer ip159106.dju.ac.kr
[86400] 107.159.237.203.in-addr.arpa. domain name pointer ip159107.dju.ac.kr
[86400] 108.159.237.203.in-addr.arpa. domain name pointer ip159108.dju.ac.kr
[86400] 109.159.237.203.in-addr.arpa. domain name pointer ip159109.dju.ac.kr
[86400] 110.159.237.203.in-addr.arpa. domain name pointer ip159110.dju.ac.kr
[86400] 111.159.237.203.in-addr.arpa. domain name pointer ip159111.dju.ac.kr
[86400] 112.159.237.203.in-addr.arpa. domain name pointer ip159112.dju.ac.kr
[86400] 113.159.237.203.in-addr.arpa. domain name pointer ip159113.dju.ac.kr
[86400] 114.159.237.203.in-addr.arpa. domain name pointer ip159114.dju.ac.kr
[86400] 115.159.237.203.in-addr.arpa. domain name pointer ip159115.dju.ac.kr
[86400] 116.159.237.203.in-addr.arpa. domain name pointer ip159116.dju.ac.kr
[86400] 117.159.237.203.in-addr.arpa. domain name pointer ip159117.dju.ac.kr
[86400] 118.159.237.203.in-addr.arpa. domain name pointer ip159118.dju.ac.kr
[86400] 119.159.237.203.in-addr.arpa. domain name pointer ip159119.dju.ac.kr
[86400] 120.159.237.203.in-addr.arpa. domain name pointer ip159120.dju.ac.kr
[86400] 121.159.237.203.in-addr.arpa. domain name pointer ip159121.dju.ac.kr
[86400] 122.159.237.203.in-addr.arpa. domain name pointer ip159122.dju.ac.kr
[86400] 123.159.237.203.in-addr.arpa. domain name pointer ip159123.dju.ac.kr
[86400] 124.159.237.203.in-addr.arpa. domain name pointer ip159124.dju.ac.kr
[86400] 125.159.237.203.in-addr.arpa. domain name pointer ip159125.dju.ac.kr
[86400] 126.159.237.203.in-addr.arpa. domain name pointer ip159126.dju.ac.kr
[86400] 127.159.237.203.in-addr.arpa. domain name pointer ip159127.dju.ac.kr
[86400] 128.159.237.203.in-addr.arpa. domain name pointer ip159128.dju.ac.kr
[86400] 129.159.237.203.in-addr.arpa. domain name pointer ip159129.dju.ac.kr
[86400] 130.159.237.203.in-addr.arpa. domain name pointer ip159130.dju.ac.kr
[86400] 131.159.237.203.in-addr.arpa. domain name pointer ip159131.dju.ac.kr
[86400] 132.159.237.203.in-addr.arpa. domain name pointer ip159132.dju.ac.kr
[86400] 133.159.237.203.in-addr.arpa. domain name pointer ip159133.dju.ac.kr
[86400] 134.159.237.203.in-addr.arpa. domain name pointer ip159134.dju.ac.kr
[86400] 135.159.237.203.in-addr.arpa. domain name pointer ip159135.dju.ac.kr
[86400] 136.159.237.203.in-addr.arpa. domain name pointer ip159136.dju.ac.kr
[86400] 137.159.237.203.in-addr.arpa. domain name pointer ip159137.dju.ac.kr
[86400] 138.159.237.203.in-addr.arpa. domain name pointer ip159138.dju.ac.kr
[86400] 139.159.237.203.in-addr.arpa. domain name pointer ip159139.dju.ac.kr
[86400] 140.159.237.203.in-addr.arpa. domain name pointer ip159140.dju.ac.kr
[86400] 141.159.237.203.in-addr.arpa. domain name pointer ip159141.dju.ac.kr
[86400] 142.159.237.203.in-addr.arpa. domain name pointer ip159142.dju.ac.kr
[86400] 143.159.237.203.in-addr.arpa. domain name pointer ip159143.dju.ac.kr
[86400] 144.159.237.203.in-addr.arpa. domain name pointer ip159144.dju.ac.kr
[86400] 145.159.237.203.in-addr.arpa. domain name pointer ip159145.dju.ac.kr
[86400] 146.159.237.203.in-addr.arpa. domain name pointer ip159146.dju.ac.kr
[86400] 147.159.237.203.in-addr.arpa. domain name pointer ip159147.dju.ac.kr
[86400] 148.159.237.203.in-addr.arpa. domain name pointer ip159148.dju.ac.kr
[86400] 149.159.237.203.in-addr.arpa. domain name pointer ip159149.dju.ac.kr
[86400] 150.159.237.203.in-addr.arpa. domain name pointer ip159150.dju.ac.kr
[86400] 151.159.237.203.in-addr.arpa. domain name pointer ip159151.dju.ac.kr
[86400] 152.159.237.203.in-addr.arpa. domain name pointer ip159152.dju.ac.kr
[86400] 153.159.237.203.in-addr.arpa. domain name pointer ip159153.dju.ac.kr
[86400] 154.159.237.203.in-addr.arpa. domain name pointer ip159154.dju.ac.kr
[86400] 155.159.237.203.in-addr.arpa. domain name pointer ip159155.dju.ac.kr
[86400] 156.159.237.203.in-addr.arpa. domain name pointer ip159156.dju.ac.kr
[86400] 157.159.237.203.in-addr.arpa. domain name pointer ip159157.dju.ac.kr
[86400] 158.159.237.203.in-addr.arpa. domain name pointer ip159158.dju.ac.kr
[86400] 159.159.237.203.in-addr.arpa. domain name pointer ip159159.dju.ac.kr
[86400] 160.159.237.203.in-addr.arpa. domain name pointer ip159160.dju.ac.kr
[86400] 161.159.237.203.in-addr.arpa. domain name pointer ip159161.dju.ac.kr
[86400] 162.159.237.203.in-addr.arpa. domain name pointer ip159162.dju.ac.kr
[86400] 163.159.237.203.in-addr.arpa. domain name pointer ip159163.dju.ac.kr
[86400] 164.159.237.203.in-addr.arpa. domain name pointer ip159164.dju.ac.kr
[86400] 165.159.237.203.in-addr.arpa. domain name pointer ip159165.dju.ac.kr
[86400] 166.159.237.203.in-addr.arpa. domain name pointer ip159166.dju.ac.kr
[86400] 167.159.237.203.in-addr.arpa. domain name pointer ip159167.dju.ac.kr
[86400] 168.159.237.203.in-addr.arpa. domain name pointer ip159168.dju.ac.kr
[86400] 169.159.237.203.in-addr.arpa. domain name pointer ip159169.dju.ac.kr
[86400] 170.159.237.203.in-addr.arpa. domain name pointer ip159170.dju.ac.kr
[86400] 171.159.237.203.in-addr.arpa. domain name pointer ip159171.dju.ac.kr
[86400] 172.159.237.203.in-addr.arpa. domain name pointer ip159172.dju.ac.kr
[86400] 173.159.237.203.in-addr.arpa. domain name pointer ip159173.dju.ac.kr
[86400] 174.159.237.203.in-addr.arpa. domain name pointer ip159174.dju.ac.kr
[86400] 175.159.237.203.in-addr.arpa. domain name pointer ip159175.dju.ac.kr
[86400] 176.159.237.203.in-addr.arpa. domain name pointer ip159176.dju.ac.kr
[86400] 177.159.237.203.in-addr.arpa. domain name pointer ip159177.dju.ac.kr
[86400] 178.159.237.203.in-addr.arpa. domain name pointer ip159178.dju.ac.kr
[86400] 179.159.237.203.in-addr.arpa. domain name pointer ip159179.dju.ac.kr
[86400] 180.159.237.203.in-addr.arpa. domain name pointer ip159180.dju.ac.kr
[86400] 181.159.237.203.in-addr.arpa. domain name pointer ip159181.dju.ac.kr
[86400] 182.159.237.203.in-addr.arpa. domain name pointer ip159182.dju.ac.kr
[86400] 183.159.237.203.in-addr.arpa. domain name pointer ip159183.dju.ac.kr
[86400] 184.159.237.203.in-addr.arpa. domain name pointer ip159184.dju.ac.kr
[86400] 185.159.237.203.in-addr.arpa. domain name pointer ip159185.dju.ac.kr
[86400] 186.159.237.203.in-addr.arpa. domain name pointer ip159186.dju.ac.kr
[86400] 187.159.237.203.in-addr.arpa. domain name pointer ip159187.dju.ac.kr
[86400] 188.159.237.203.in-addr.arpa. domain name pointer ip159188.dju.ac.kr
[86400] 189.159.237.203.in-addr.arpa. domain name pointer ip159189.dju.ac.kr
[86400] 190.159.237.203.in-addr.arpa. domain name pointer ip159190.dju.ac.kr
[86400] 191.159.237.203.in-addr.arpa. domain name pointer ip159191.dju.ac.kr
[86400] 192.159.237.203.in-addr.arpa. domain name pointer ip159192.dju.ac.kr
[86400] 193.159.237.203.in-addr.arpa. domain name pointer ip159193.dju.ac.kr
[86400] 194.159.237.203.in-addr.arpa. domain name pointer ip159194.dju.ac.kr
[86400] 195.159.237.203.in-addr.arpa. domain name pointer ip159195.dju.ac.kr
[86400] 196.159.237.203.in-addr.arpa. domain name pointer ip159196.dju.ac.kr
[86400] 197.159.237.203.in-addr.arpa. domain name pointer ip159197.dju.ac.kr
[86400] 198.159.237.203.in-addr.arpa. domain name pointer ip159198.dju.ac.kr
[86400] 199.159.237.203.in-addr.arpa. domain name pointer ip159199.dju.ac.kr
[86400] 200.159.237.203.in-addr.arpa. domain name pointer ip159200.dju.ac.kr
[86400] 201.159.237.203.in-addr.arpa. domain name pointer ip159201.dju.ac.kr
[86400] 202.159.237.203.in-addr.arpa. domain name pointer ip159202.dju.ac.kr
[86400] 203.159.237.203.in-addr.arpa. domain name pointer ip159203.dju.ac.kr
[86400] 204.159.237.203.in-addr.arpa. domain name pointer ip159204.dju.ac.kr
[86400] 205.159.237.203.in-addr.arpa. domain name pointer ip159205.dju.ac.kr
[86400] 206.159.237.203.in-addr.arpa. domain name pointer ip159206.dju.ac.kr
[86400] 207.159.237.203.in-addr.arpa. domain name pointer ip159207.dju.ac.kr
[86400] 208.159.237.203.in-addr.arpa. domain name pointer ip159208.dju.ac.kr
[86400] 209.159.237.203.in-addr.arpa. domain name pointer ip159209.dju.ac.kr
[86400] 210.159.237.203.in-addr.arpa. domain name pointer ip159210.dju.ac.kr
[86400] 211.159.237.203.in-addr.arpa. domain name pointer ip159211.dju.ac.kr
[86400] 212.159.237.203.in-addr.arpa. domain name pointer ip159212.dju.ac.kr
[86400] 213.159.237.203.in-addr.arpa. domain name pointer ip159213.dju.ac.kr
[86400] 214.159.237.203.in-addr.arpa. domain name pointer ip159214.dju.ac.kr
[86400] 215.159.237.203.in-addr.arpa. domain name pointer ip159215.dju.ac.kr
[86400] 216.159.237.203.in-addr.arpa. domain name pointer ip159216.dju.ac.kr
[86400] 217.159.237.203.in-addr.arpa. domain name pointer ip159217.dju.ac.kr
[86400] 218.159.237.203.in-addr.arpa. domain name pointer ip159218.dju.ac.kr
[86400] 219.159.237.203.in-addr.arpa. domain name pointer ip159219.dju.ac.kr
[86400] 220.159.237.203.in-addr.arpa. domain name pointer ip159220.dju.ac.kr
[86400] 221.159.237.203.in-addr.arpa. domain name pointer ip159221.dju.ac.kr
[86400] 222.159.237.203.in-addr.arpa. domain name pointer ip159222.dju.ac.kr
[86400] 223.159.237.203.in-addr.arpa. domain name pointer ip159223.dju.ac.kr
[86400] 224.159.237.203.in-addr.arpa. domain name pointer ip159224.dju.ac.kr
[86400] 225.159.237.203.in-addr.arpa. domain name pointer ip159225.dju.ac.kr
[86400] 226.159.237.203.in-addr.arpa. domain name pointer ip159226.dju.ac.kr
[86400] 227.159.237.203.in-addr.arpa. domain name pointer ip159227.dju.ac.kr
[86400] 228.159.237.203.in-addr.arpa. domain name pointer ip159228.dju.ac.kr
[86400] 229.159.237.203.in-addr.arpa. domain name pointer ip159229.dju.ac.kr
[86400] 230.159.237.203.in-addr.arpa. domain name pointer ip159230.dju.ac.kr
[86400] 231.159.237.203.in-addr.arpa. domain name pointer ip159231.dju.ac.kr
[86400] 232.159.237.203.in-addr.arpa. domain name pointer ip159232.dju.ac.kr
[86400] 233.159.237.203.in-addr.arpa. domain name pointer ip159233.dju.ac.kr
[86400] 234.159.237.203.in-addr.arpa. domain name pointer ip159234.dju.ac.kr
[86400] 235.159.237.203.in-addr.arpa. domain name pointer ip159235.dju.ac.kr
[86400] 236.159.237.203.in-addr.arpa. domain name pointer ip159236.dju.ac.kr
[86400] 237.159.237.203.in-addr.arpa. domain name pointer ip159237.dju.ac.kr
[86400] 238.159.237.203.in-addr.arpa. domain name pointer ip159238.dju.ac.kr
[86400] 239.159.237.203.in-addr.arpa. domain name pointer ip159239.dju.ac.kr
[86400] 240.159.237.203.in-addr.arpa. domain name pointer ip159240.dju.ac.kr
[86400] 241.159.237.203.in-addr.arpa. domain name pointer ip159241.dju.ac.kr
[86400] 242.159.237.203.in-addr.arpa. domain name pointer ip159242.dju.ac.kr
[86400] 243.159.237.203.in-addr.arpa. domain name pointer ip159243.dju.ac.kr
[86400] 244.159.237.203.in-addr.arpa. domain name pointer ip159244.dju.ac.kr
[86400] 245.159.237.203.in-addr.arpa. domain name pointer ip159245.dju.ac.kr
[86400] 246.159.237.203.in-addr.arpa. domain name pointer ip159246.dju.ac.kr
[86400] 247.159.237.203.in-addr.arpa. domain name pointer ip159247.dju.ac.kr
[86400] 248.159.237.203.in-addr.arpa. domain name pointer ip159248.dju.ac.kr
[86400] 249.159.237.203.in-addr.arpa. domain name pointer ip159249.dju.ac.kr
[86400] 250.159.237.203.in-addr.arpa. domain name pointer ip159250.dju.ac.kr
[86400] 251.159.237.203.in-addr.arpa. domain name pointer ip159251.dju.ac.kr
[86400] 252.159.237.203.in-addr.arpa. domain name pointer ip159252.dju.ac.kr
[86400] 253.159.237.203.in-addr.arpa. domain name pointer ip159253.dju.ac.kr
[86400] 254.159.237.203.in-addr.arpa. domain name pointer ip159254.dju.ac.kr
[0] 255.159.237.203.in-addr.arpa.: domain name does not exist