[0] 0.113.91.130.in-addr.arpa.: domain name does not exist
[86400] 1.113.91.130.in-addr.arpa. domain name pointer PPIAST1.OCC.upenn.edu
[0] 2.113.91.130.in-addr.arpa.: domain name does not exist
[0] 3.113.91.130.in-addr.arpa.: domain name does not exist
[0] 4.113.91.130.in-addr.arpa.: domain name does not exist
[0] 5.113.91.130.in-addr.arpa.: domain name does not exist
[0] 6.113.91.130.in-addr.arpa.: domain name does not exist
[0] 7.113.91.130.in-addr.arpa.: domain name does not exist
[0] 8.113.91.130.in-addr.arpa.: domain name does not exist
[0] 9.113.91.130.in-addr.arpa.: domain name does not exist
[0] 10.113.91.130.in-addr.arpa.: domain name does not exist
[86400] 11.113.91.130.in-addr.arpa. domain name pointer i5200pc3.seas.upenn.edu
[86400] 12.113.91.130.in-addr.arpa. domain name pointer i5001pc4.seas.upenn.edu
[86400] 13.113.91.130.in-addr.arpa. domain name pointer i1180pc1.seas.upenn.edu
[86400] 14.113.91.130.in-addr.arpa. domain name pointer i1160pc4.seas.upenn.edu
[86400] 15.113.91.130.in-addr.arpa. domain name pointer i5010pc1.seas.upenn.edu
[86400] 16.113.91.130.in-addr.arpa. domain name pointer i5060pc2.seas.upenn.edu
[86400] 17.113.91.130.in-addr.arpa. domain name pointer i5200pc2.seas.upenn.edu
[86400] 18.113.91.130.in-addr.arpa. domain name pointer i5090pc8.seas.upenn.edu
[86400] 19.113.91.130.in-addr.arpa. domain name pointer i1024pc1.seas.upenn.edu
[86400] 20.113.91.130.in-addr.arpa. domain name pointer i5070pc4.seas.upenn.edu
[86400] 21.113.91.130.in-addr.arpa. domain name pointer i2000pc1.seas.upenn.edu
[86400] 22.113.91.130.in-addr.arpa. domain name pointer i5090pc7.seas.upenn.edu
[86400] 23.113.91.130.in-addr.arpa. domain name pointer i5170pc1.seas.upenn.edu
[86400] 24.113.91.130.in-addr.arpa. domain name pointer i5140pc1.seas.upenn.edu
[86400] 25.113.91.130.in-addr.arpa. domain name pointer i5090pc9.seas.upenn.edu
[86400] 26.113.91.130.in-addr.arpa. domain name pointer i5010pc2.seas.upenn.edu
[86400] 27.113.91.130.in-addr.arpa. domain name pointer i5001pc3.seas.upenn.edu
[86400] 28.113.91.130.in-addr.arpa. domain name pointer i1160pc5.SEAS.upenn.edu
[86400] 29.113.91.130.in-addr.arpa. domain name pointer i5130pc1.seas.upenn.edu
[86400] 30.113.91.130.in-addr.arpa. domain name pointer i1160pc6.seas.upenn.edu
[86400] 31.113.91.130.in-addr.arpa. domain name pointer tingw.CHEM.upenn.edu
[86400] 32.113.91.130.in-addr.arpa. domain name pointer cyhuang.CHEM.upenn.edu
[86400] 33.113.91.130.in-addr.arpa. domain name pointer liluzhang.CHEM.upenn.edu
[0] 34.113.91.130.in-addr.arpa.: domain name does not exist
[86400] 35.113.91.130.in-addr.arpa. domain name pointer meggers-printer01.CHEM.upenn.edu
[86400] 36.113.91.130.in-addr.arpa. domain name pointer xylene.CHEM.upenn.edu
[86400] 37.113.91.130.in-addr.arpa. domain name pointer iast2020-02.CHEM.upenn.edu
[86400] 38.113.91.130.in-addr.arpa. domain name pointer iast2020-01.CHEM.upenn.edu
[86400] 39.113.91.130.in-addr.arpa. domain name pointer molanderlap01.CHEM.upenn.edu
[86400] 40.113.91.130.in-addr.arpa. domain name pointer kmgeorge.CHEM.upenn.edu
[86400] 41.113.91.130.in-addr.arpa. domain name pointer pengprinter.CHEM.upenn.edu
[86400] 42.113.91.130.in-addr.arpa. domain name pointer dialkylzinc.CHEM.upenn.edu
[86400] 43.113.91.130.in-addr.arpa. domain name pointer jkb-lap-02.CHEM.upenn.edu
[86400] 44.113.91.130.in-addr.arpa. domain name pointer vp-lap-01.CHEM.upenn.edu
[86400] 45.113.91.130.in-addr.arpa. domain name pointer weight.CHEM.upenn.edu
[86400] 46.113.91.130.in-addr.arpa. domain name pointer jkb-mac-01.CHEM.upenn.edu
[86400] 47.113.91.130.in-addr.arpa. domain name pointer dwc-lap-02.CHEM.upenn.edu
[86400] 48.113.91.130.in-addr.arpa. domain name pointer adm-mac-02.CHEM.upenn.edu
[86400] 49.113.91.130.in-addr.arpa. domain name pointer yonginz.CHEM.upenn.edu
[86400] 50.113.91.130.in-addr.arpa. domain name pointer mck-lap-02.CHEM.upenn.edu
[86400] 51.113.91.130.in-addr.arpa. domain name pointer hongmei.CHEM.upenn.edu
[86400] 52.113.91.130.in-addr.arpa. domain name pointer mck-lap-01.CHEM.upenn.edu
[86400] 53.113.91.130.in-addr.arpa. domain name pointer jkb11.CHEM.upenn.edu
[86400] 54.113.91.130.in-addr.arpa. domain name pointer maomao.CHEM.upenn.edu
[86400] 55.113.91.130.in-addr.arpa. domain name pointer jkb10.CHEM.upenn.edu
[86400] 56.113.91.130.in-addr.arpa. domain name pointer jkbjet.CHEM.upenn.edu
[86400] 57.113.91.130.in-addr.arpa. domain name pointer orglett7.CHEM.upenn.edu
[86400] 58.113.91.130.in-addr.arpa. domain name pointer jkbhp.CHEM.upenn.edu
[86400] 59.113.91.130.in-addr.arpa. domain name pointer stjean.CHEM.upenn.edu
[86400] 60.113.91.130.in-addr.arpa. domain name pointer hux.CHEM.upenn.edu
[86400] 61.113.91.130.in-addr.arpa. domain name pointer bb.CHEM.upenn.edu
[86400] 62.113.91.130.in-addr.arpa. domain name pointer figueira.CHEM.upenn.edu
[86400] 63.113.91.130.in-addr.arpa. domain name pointer gamtestip.CHEM.upenn.edu
[86400] 64.113.91.130.in-addr.arpa. domain name pointer sommers.CHEM.upenn.edu
[86400] 65.113.91.130.in-addr.arpa. domain name pointer lurain.CHEM.upenn.edu
[86400] 66.113.91.130.in-addr.arpa. domain name pointer percec02.CHEM.upenn.edu
[86400] 67.113.91.130.in-addr.arpa. domain name pointer golding.CHEM.upenn.edu
[86400] 68.113.91.130.in-addr.arpa. domain name pointer maldi.CHEM.upenn.edu
[86400] 69.113.91.130.in-addr.arpa. domain name pointer cdor.CHEM.upenn.edu
[86400] 70.113.91.130.in-addr.arpa. domain name pointer ist-4000.CHEM.upenn.edu
[86400] 71.113.91.130.in-addr.arpa. domain name pointer molpost-doc1.CHEM.upenn.edu
[86400] 72.113.91.130.in-addr.arpa. domain name pointer vp1600print.CHEM.upenn.edu
[86400] 73.113.91.130.in-addr.arpa. domain name pointer jkbpwrbk.CHEM.upenn.edu
[86400] 74.113.91.130.in-addr.arpa. domain name pointer kirsten.CHEM.upenn.edu
[86400] 75.113.91.130.in-addr.arpa. domain name pointer daewon.CHEM.upenn.edu
[86400] 76.113.91.130.in-addr.arpa. domain name pointer gailab4.CHEM.upenn.edu
[86400] 77.113.91.130.in-addr.arpa. domain name pointer corona.CHEM.upenn.edu
[86400] 78.113.91.130.in-addr.arpa. domain name pointer andrea01.CHEM.upenn.edu
[86400] 79.113.91.130.in-addr.arpa. domain name pointer sam.CHEM.upenn.edu
[86400] 80.113.91.130.in-addr.arpa. domain name pointer percec3.CHEM.upenn.edu
[86400] 81.113.91.130.in-addr.arpa. domain name pointer ist-2000.CHEM.upenn.edu
[86400] 82.113.91.130.in-addr.arpa. domain name pointer gpc6890.CHEM.upenn.edu
[86400] 83.113.91.130.in-addr.arpa. domain name pointer nmr1iast.CHEM.upenn.edu
[86400] 84.113.91.130.in-addr.arpa. domain name pointer kozlowski.CHEM.upenn.edu
[86400] 85.113.91.130.in-addr.arpa. domain name pointer deskfour.CHEM.upenn.edu
[86400] 86.113.91.130.in-addr.arpa. domain name pointer imam.CHEM.upenn.edu
[86400] 87.113.91.130.in-addr.arpa. domain name pointer dud3.CHEM.upenn.edu
[86400] 88.113.91.130.in-addr.arpa. domain name pointer blasietmp.CHEM.upenn.edu
[86400] 89.113.91.130.in-addr.arpa. domain name pointer fenggai1.CHEM.upenn.edu
[86400] 90.113.91.130.in-addr.arpa. domain name pointer ist-3000.CHEM.upenn.edu
[86400] 91.113.91.130.in-addr.arpa. domain name pointer jkbg3ist.CHEM.upenn.edu
[86400] 92.113.91.130.in-addr.arpa. domain name pointer uvir.CHEM.upenn.edu
[86400] 93.113.91.130.in-addr.arpa. domain name pointer kersten.CHEM.upenn.edu
[86400] 94.113.91.130.in-addr.arpa. domain name pointer smidrkal.CHEM.upenn.edu
[86400] 95.113.91.130.in-addr.arpa. domain name pointer spg.CHEM.upenn.edu
[86400] 96.113.91.130.in-addr.arpa. domain name pointer stefani.CHEM.upenn.edu
[86400] 97.113.91.130.in-addr.arpa. domain name pointer pollina.CHEM.upenn.edu
[86400] 98.113.91.130.in-addr.arpa. domain name pointer mariapc.CHEM.upenn.edu
[86400] 99.113.91.130.in-addr.arpa. domain name pointer itc.CHEM.upenn.edu
[86400] 100.113.91.130.in-addr.arpa. domain name pointer dwcsecg4.CHEM.upenn.edu
[86400] 101.113.91.130.in-addr.arpa. domain name pointer bhaskar.CHEM.upenn.edu
[86400] 102.113.91.130.in-addr.arpa. domain name pointer campbell.CHEM.upenn.edu
[86400] 103.113.91.130.in-addr.arpa. domain name pointer orglett6.CHEM.upenn.edu
[86400] 104.113.91.130.in-addr.arpa. domain name pointer hewgley.CHEM.upenn.edu
[86400] 105.113.91.130.in-addr.arpa. domain name pointer jkblaser.CHEM.upenn.edu
[86400] 106.113.91.130.in-addr.arpa. domain name pointer bjw01.CHEM.upenn.edu
[86400] 107.113.91.130.in-addr.arpa. domain name pointer iasttemp01.CHEM.upenn.edu
[86400] 108.113.91.130.in-addr.arpa. domain name pointer mck-grad-01.CHEM.upenn.edu
[86400] 109.113.91.130.in-addr.arpa. domain name pointer gai-pc-01.CHEM.upenn.edu
[86400] 110.113.91.130.in-addr.arpa. domain name pointer meggers01.CHEM.upenn.edu
[86400] 111.113.91.130.in-addr.arpa. domain name pointer emg-pc-01.CHEM.upenn.edu
[86400] 112.113.91.130.in-addr.arpa. domain name pointer scricco.CHEM.upenn.edu
[86400] 113.113.91.130.in-addr.arpa. domain name pointer nmr-mac-01.CHEM.upenn.edu
[86400] 114.113.91.130.in-addr.arpa. domain name pointer em-pc-01.CHEM.upenn.edu
[86400] 115.113.91.130.in-addr.arpa. domain name pointer jkb-lap-01.CHEM.upenn.edu
[86400] 116.113.91.130.in-addr.arpa. domain name pointer lgs-lap-01.CHEM.upenn.edu
[86400] 117.113.91.130.in-addr.arpa. domain name pointer ernst.CHEM.upenn.edu
[86400] 118.113.91.130.in-addr.arpa. domain name pointer weihongc01.CHEM.upenn.edu
[86400] 119.113.91.130.in-addr.arpa. domain name pointer INORGPC.CHEM.upenn.edu
[86400] 120.113.91.130.in-addr.arpa. domain name pointer kozlowski-mac-lap.CHEM.upenn.edu
[86400] 121.113.91.130.in-addr.arpa. domain name pointer lafelix.CHEM.upenn.edu
[0] 122.113.91.130.in-addr.arpa.: domain name does not exist
[0] 123.113.91.130.in-addr.arpa.: domain name does not exist
[0] 124.113.91.130.in-addr.arpa.: domain name does not exist
[0] 125.113.91.130.in-addr.arpa.: domain name does not exist
[0] 126.113.91.130.in-addr.arpa.: domain name does not exist
[0] 127.113.91.130.in-addr.arpa.: domain name does not exist
[0] 128.113.91.130.in-addr.arpa.: domain name does not exist
[86400] 129.113.91.130.in-addr.arpa. domain name pointer jkb15.CHEM.upenn.edu
[86400] 130.113.91.130.in-addr.arpa. domain name pointer yao-xu.CHEM.upenn.edu
[0] 131.113.91.130.in-addr.arpa.: domain name does not exist
[0] 132.113.91.130.in-addr.arpa.: domain name does not exist
[0] 133.113.91.130.in-addr.arpa.: domain name does not exist
[0] 134.113.91.130.in-addr.arpa.: domain name does not exist
[0] 135.113.91.130.in-addr.arpa.: domain name does not exist
[0] 136.113.91.130.in-addr.arpa.: domain name does not exist
[0] 137.113.91.130.in-addr.arpa.: domain name does not exist
[0] 138.113.91.130.in-addr.arpa.: domain name does not exist
[0] 139.113.91.130.in-addr.arpa.: domain name does not exist
[0] 140.113.91.130.in-addr.arpa.: domain name does not exist
[0] 141.113.91.130.in-addr.arpa.: domain name does not exist
[0] 142.113.91.130.in-addr.arpa.: domain name does not exist
[0] 143.113.91.130.in-addr.arpa.: domain name does not exist
[0] 144.113.91.130.in-addr.arpa.: domain name does not exist
[0] 145.113.91.130.in-addr.arpa.: domain name does not exist
[0] 146.113.91.130.in-addr.arpa.: domain name does not exist
[0] 147.113.91.130.in-addr.arpa.: domain name does not exist
[0] 148.113.91.130.in-addr.arpa.: domain name does not exist
[0] 149.113.91.130.in-addr.arpa.: domain name does not exist
[0] 150.113.91.130.in-addr.arpa.: domain name does not exist
[86400] 151.113.91.130.in-addr.arpa. domain name pointer i1080pc2.IME.upenn.edu
[86400] 152.113.91.130.in-addr.arpa. domain name pointer ist1160-8.IME.upenn.edu
[86400] 153.113.91.130.in-addr.arpa. domain name pointer i1070pc6.IME.upenn.edu
[86400] 154.113.91.130.in-addr.arpa. domain name pointer ist1072-2.IME.upenn.edu
[86400] 155.113.91.130.in-addr.arpa. domain name pointer i1150pc9.IME.upenn.edu
[86400] 156.113.91.130.in-addr.arpa. domain name pointer i1101pc1.IME.upenn.edu
[86400] 157.113.91.130.in-addr.arpa. domain name pointer i1150pc7.IME.upenn.edu
[86400] 158.113.91.130.in-addr.arpa. domain name pointer i1010pc1.IME.upenn.edu
[86400] 159.113.91.130.in-addr.arpa. domain name pointer i1150pc5.IME.upenn.edu
[86400] 160.113.91.130.in-addr.arpa. domain name pointer i1130unk1.IME.upenn.edu
[86400] 161.113.91.130.in-addr.arpa. domain name pointer i5090pc10.seas.IME.upenn.edu
[86400] 162.113.91.130.in-addr.arpa. domain name pointer i1150mac2.IME.upenn.edu
[86400] 163.113.91.130.in-addr.arpa. domain name pointer i1150pc6.IME.upenn.edu
[86400] 164.113.91.130.in-addr.arpa. domain name pointer i1150pc8.IME.upenn.edu
[86400] 165.113.91.130.in-addr.arpa. domain name pointer ist1150-3.IME.upenn.edu
[86400] 166.113.91.130.in-addr.arpa. domain name pointer i1080mac6.IME.upenn.edu
[86400] 167.113.91.130.in-addr.arpa. domain name pointer ist1150-4.IME.upenn.edu
[86400] 168.113.91.130.in-addr.arpa. domain name pointer ist1024-3.IME.upenn.edu
[86400] 169.113.91.130.in-addr.arpa. domain name pointer ist1160-9.IME.upenn.edu
[86400] 170.113.91.130.in-addr.arpa. domain name pointer ist108013.IME.upenn.edu
[0] 171.113.91.130.in-addr.arpa.: domain name does not exist
[0] 172.113.91.130.in-addr.arpa.: domain name does not exist
[0] 173.113.91.130.in-addr.arpa.: domain name does not exist
[0] 174.113.91.130.in-addr.arpa.: domain name does not exist
[0] 175.113.91.130.in-addr.arpa.: domain name does not exist
[0] 176.113.91.130.in-addr.arpa.: domain name does not exist
[0] 177.113.91.130.in-addr.arpa.: domain name does not exist
[0] 178.113.91.130.in-addr.arpa.: domain name does not exist
[0] 179.113.91.130.in-addr.arpa.: domain name does not exist
[0] 180.113.91.130.in-addr.arpa.: domain name does not exist
[0] 181.113.91.130.in-addr.arpa.: domain name does not exist
[0] 182.113.91.130.in-addr.arpa.: domain name does not exist
[0] 183.113.91.130.in-addr.arpa.: domain name does not exist
[0] 184.113.91.130.in-addr.arpa.: domain name does not exist
[0] 185.113.91.130.in-addr.arpa.: domain name does not exist
[0] 186.113.91.130.in-addr.arpa.: domain name does not exist
[0] 187.113.91.130.in-addr.arpa.: domain name does not exist
[0] 188.113.91.130.in-addr.arpa.: domain name does not exist
[0] 189.113.91.130.in-addr.arpa.: domain name does not exist
[0] 190.113.91.130.in-addr.arpa.: domain name does not exist
[0] 191.113.91.130.in-addr.arpa.: domain name does not exist
[0] 192.113.91.130.in-addr.arpa.: domain name does not exist
[0] 193.113.91.130.in-addr.arpa.: domain name does not exist
[0] 194.113.91.130.in-addr.arpa.: domain name does not exist
[0] 195.113.91.130.in-addr.arpa.: domain name does not exist
[0] 196.113.91.130.in-addr.arpa.: domain name does not exist
[86400] 197.113.91.130.in-addr.arpa. domain name pointer ist1020-2.seas.upenn.edu
[86400] 198.113.91.130.in-addr.arpa. domain name pointer i5172pc10.seas.upenn.edu
[86400] 199.113.91.130.in-addr.arpa. domain name pointer i5200pc6.seas.upenn.edu
[86400] 200.113.91.130.in-addr.arpa. domain name pointer i5172pc9.seas.upenn.edu
[86400] 201.113.91.130.in-addr.arpa. domain name pointer i5001pc7.seas.upenn.edu
[86400] 202.113.91.130.in-addr.arpa. domain name pointer ist5191-1.seas.upenn.edu
[86400] 203.113.91.130.in-addr.arpa. domain name pointer i5172pc6.seas.upenn.edu
[86400] 204.113.91.130.in-addr.arpa. domain name pointer i5172pc5.seas.upenn.edu
[86400] 205.113.91.130.in-addr.arpa. domain name pointer i5001pc6.seas.upenn.edu
[6400] 206.113.91.130.in-addr.arpa. domain name pointer i5070pc2-1.seas.upenn.edu
[86400] 207.113.91.130.in-addr.arpa. domain name pointer ist5050-1.seas.upenn.edu
[86400] 208.113.91.130.in-addr.arpa. domain name pointer i1150pc10.seas.upenn.edu
[86400] 209.113.91.130.in-addr.arpa. domain name pointer i5090pc13.seas.upenn.edu
[86400] 210.113.91.130.in-addr.arpa. domain name pointer vagelos-temp.seas.upenn.edu
[86400] 211.113.91.130.in-addr.arpa. domain name pointer i5090pc12.seas.upenn.edu
[86400] 212.113.91.130.in-addr.arpa. domain name pointer i5031pc1.seas.upenn.edu
[86400] 213.113.91.130.in-addr.arpa. domain name pointer i5200pc4.seas.upenn.edu
[86400] 214.113.91.130.in-addr.arpa. domain name pointer i1180pc3.seas.upenn.edu
[86400] 215.113.91.130.in-addr.arpa. domain name pointer i5170pc2.seas.upenn.edu
[86400] 216.113.91.130.in-addr.arpa. domain name pointer i5070pc5.seas.upenn.edu
[86400] 217.113.91.130.in-addr.arpa. domain name pointer i1160pc7.seas.upenn.edu
[86400] 218.113.91.130.in-addr.arpa. domain name pointer i5001pc5.seas.upenn.edu
[86400] 219.113.91.130.in-addr.arpa. domain name pointer i-test.seas.upenn.edu
[86400] 220.113.91.130.in-addr.arpa. domain name pointer i5010pc4.seas.upenn.edu
[86400] 221.113.91.130.in-addr.arpa. domain name pointer i5060pc3.seas.upenn.edu
[86400] 222.113.91.130.in-addr.arpa. domain name pointer i1024pc2.seas.upenn.edu
[86400] 223.113.91.130.in-addr.arpa. domain name pointer i1180pc2.seas.upenn.edu
[86400] 224.113.91.130.in-addr.arpa. domain name pointer i5010pc3.seas.upenn.edu
[86400] 225.113.91.130.in-addr.arpa. domain name pointer i5150pc1.seas.upenn.edu
[86400] 226.113.91.130.in-addr.arpa. domain name pointer i1010.seas.upenn.edu
[86400] 227.113.91.130.in-addr.arpa. domain name pointer i5172pc2.seas.upenn.edu
[86400] 228.113.91.130.in-addr.arpa. domain name pointer i5090pc11.seas.upenn.edu
[86400] 229.113.91.130.in-addr.arpa. domain name pointer i5150pc2.seas.upenn.edu
[86400] 230.113.91.130.in-addr.arpa. domain name pointer i5172pc3.seas.upenn.edu
[86400] 231.113.91.130.in-addr.arpa. domain name pointer i5030pc1.seas.upenn.edu
[86400] 232.113.91.130.in-addr.arpa. domain name pointer i5172pc4.seas.upenn.edu
[86400] 233.113.91.130.in-addr.arpa. domain name pointer i5170pc3.seas.upenn.edu
[86400] 234.113.91.130.in-addr.arpa. domain name pointer i5060pc4.seas.upenn.edu
[86400] 235.113.91.130.in-addr.arpa. domain name pointer i5170pc4.seas.upenn.edu
[86400] 236.113.91.130.in-addr.arpa. domain name pointer i5170pc5.seas.upenn.edu
[86400] 237.113.91.130.in-addr.arpa. domain name pointer i5010pc5.seas.upenn.edu
[86400] 238.113.91.130.in-addr.arpa. domain name pointer ist1020-1.seas.upenn.edu
[86400] 239.113.91.130.in-addr.arpa. domain name pointer i1150lj1.seas.upenn.edu
[6400] 240.113.91.130.in-addr.arpa. domain name pointer i5070pc4-1.seas.upenn.edu
[86400] 241.113.91.130.in-addr.arpa. domain name pointer ist1150pc11.seas.upenn.edu
[86400] 242.113.91.130.in-addr.arpa. domain name pointer ist1150pc12.seas.upenn.edu
[86400] 243.113.91.130.in-addr.arpa. domain name pointer i5140pc2.seas.upenn.edu
[86400] 244.113.91.130.in-addr.arpa. domain name pointer ist1150pc13.seas.upenn.edu
[86400] 245.113.91.130.in-addr.arpa. domain name pointer i5172pc7.seas.upenn.edu
[86400] 246.113.91.130.in-addr.arpa. domain name pointer i5172pc8.seas.upenn.edu
[86400] 247.113.91.130.in-addr.arpa. domain name pointer i5200pc5.seas.upenn.edu
[86400] 248.113.91.130.in-addr.arpa. domain name pointer i5200pc7.seas.upenn.edu
[86400] 249.113.91.130.in-addr.arpa. domain name pointer i5172pc11.seas.upenn.edu
[86400] 250.113.91.130.in-addr.arpa. domain name pointer i5001pc8.seas.upenn.edu
[0] 251.113.91.130.in-addr.arpa.: domain name does not exist
[0] 252.113.91.130.in-addr.arpa.: domain name does not exist
[0] 253.113.91.130.in-addr.arpa.: domain name does not exist
[0] 254.113.91.130.in-addr.arpa.: domain name does not exist
[0] 255.113.91.130.in-addr.arpa.: domain name does not exist