[0] 0.36.105.129.in-addr.arpa.: domain name does not exist
[86400] 1.36.105.129.in-addr.arpa. domain name pointer tech-idf-vln-536.northwestern.edu
[86400] 2.36.105.129.in-addr.arpa. domain name pointer hub-1.iems.northwestern.edu
[86400] 3.36.105.129.in-addr.arpa. domain name pointer tech-m217-hub-3.northwestern.edu
[86400] 4.36.105.129.in-addr.arpa. domain name pointer tech-m217-hub-4.northwestern.edu
[86400] 5.36.105.129.in-addr.arpa. domain name pointer hub-4.iems.northwestern.edu
[86400] 6.36.105.129.in-addr.arpa. domain name pointer tech-m117-esw-2.northwestern.edu
[86400] 7.36.105.129.in-addr.arpa. domain name pointer tech-m217-esw-1.northwestern.edu
[86400] 8.36.105.129.in-addr.arpa. domain name pointer tech-m117-hub-2.northwestern.edu
[0] 9.36.105.129.in-addr.arpa.: domain name does not exist
[0] 10.36.105.129.in-addr.arpa.: domain name does not exist
[86400] 11.36.105.129.in-addr.arpa. domain name pointer dual.iems.northwestern.edu
[86400] 12.36.105.129.in-addr.arpa. domain name pointer byron.iems.northwestern.edu
[86400] 13.36.105.129.in-addr.arpa. domain name pointer sonne.iems.northwestern.edu
[86400] 14.36.105.129.in-addr.arpa. domain name pointer stretto.iems.northwestern.edu
[86400] 15.36.105.129.in-addr.arpa. domain name pointer dog.iems.northwestern.edu
[86400] 16.36.105.129.in-addr.arpa. domain name pointer hermes.iems.northwestern.edu
[86400] 17.36.105.129.in-addr.arpa. domain name pointer tarheel.iems.northwestern.edu
[86400] 18.36.105.129.in-addr.arpa. domain name pointer primal.iems.northwestern.edu
[86400] 19.36.105.129.in-addr.arpa. domain name pointer universe2.iems.northwestern.edu
[86400] 20.36.105.129.in-addr.arpa. domain name pointer basenji.iems.northwestern.edu
[86400] 21.36.105.129.in-addr.arpa. domain name pointer infinity.iems.northwestern.edu
[86400] 22.36.105.129.in-addr.arpa. domain name pointer lagrange.iems.northwestern.edu
[86400] 23.36.105.129.in-addr.arpa. domain name pointer curie.iems.northwestern.edu
[86400] 24.36.105.129.in-addr.arpa. domain name pointer cat.iems.northwestern.edu
[86400] 25.36.105.129.in-addr.arpa. domain name pointer random.iems.northwestern.edu
[86400] 26.36.105.129.in-addr.arpa. domain name pointer scherzo.iems.northwestern.edu
[86400] 27.36.105.129.in-addr.arpa. domain name pointer raiffa.iems.northwestern.edu
[86400] 28.36.105.129.in-addr.arpa. domain name pointer gomory.iems.northwestern.edu
[86400] 29.36.105.129.in-addr.arpa. domain name pointer leontief.iems.northwestern.edu
[86400] 30.36.105.129.in-addr.arpa. domain name pointer taguchi.iems.northwestern.edu
[86400] 31.36.105.129.in-addr.arpa. domain name pointer office.iems.northwestern.edu
[0] 32.36.105.129.in-addr.arpa.: domain name does not exist
[0] 33.36.105.129.in-addr.arpa.: domain name does not exist
[0] 34.36.105.129.in-addr.arpa.: domain name does not exist
[0] 35.36.105.129.in-addr.arpa.: domain name does not exist
[0] 36.36.105.129.in-addr.arpa.: domain name does not exist
[0] 37.36.105.129.in-addr.arpa.: domain name does not exist
[0] 38.36.105.129.in-addr.arpa.: domain name does not exist
[86400] 39.36.105.129.in-addr.arpa. domain name pointer gallery.iems.northwestern.edu
[86400] 40.36.105.129.in-addr.arpa. domain name pointer tate.iems.northwestern.edu
[86400] 41.36.105.129.in-addr.arpa. domain name pointer louvre.iems.northwestern.edu
[86400] 42.36.105.129.in-addr.arpa. domain name pointer prado.iems.northwestern.edu
[86400] 43.36.105.129.in-addr.arpa. domain name pointer uffizi.iems.northwestern.edu
[86400] 44.36.105.129.in-addr.arpa. domain name pointer pergamon.iems.northwestern.edu
[86400] 45.36.105.129.in-addr.arpa. domain name pointer hermitage.iems.northwestern.edu
[86400] 46.36.105.129.in-addr.arpa. domain name pointer nefertari.iems.northwestern.edu
[86400] 47.36.105.129.in-addr.arpa. domain name pointer serin.iems.northwestern.edu
[86400] 48.36.105.129.in-addr.arpa. domain name pointer hatteras.iems.northwestern.edu
[86400] 49.36.105.129.in-addr.arpa. domain name pointer paladin.iems.northwestern.edu
[86400] 50.36.105.129.in-addr.arpa. domain name pointer fido.iems.northwestern.edu
[86400] 51.36.105.129.in-addr.arpa. domain name pointer euler.iems.northwestern.edu
[86400] 52.36.105.129.in-addr.arpa. domain name pointer dantzig.iems.northwestern.edu
[86400] 53.36.105.129.in-addr.arpa. domain name pointer markov.iems.northwestern.edu
[86400] 54.36.105.129.in-addr.arpa. domain name pointer taylor.iems.northwestern.edu
[86400] 55.36.105.129.in-addr.arpa. domain name pointer gilbreth.iems.northwestern.edu
[86400] 56.36.105.129.in-addr.arpa. domain name pointer gantt.iems.northwestern.edu
[86400] 57.36.105.129.in-addr.arpa. domain name pointer deming.iems.northwestern.edu
[86400] 58.36.105.129.in-addr.arpa. domain name pointer descartes.iems.northwestern.edu
[86400] 59.36.105.129.in-addr.arpa. domain name pointer wolfe.iems.northwestern.edu
[86400] 60.36.105.129.in-addr.arpa. domain name pointer fulkerson.iems.northwestern.edu
[86400] 61.36.105.129.in-addr.arpa. domain name pointer farkas.iems.northwestern.edu
[86400] 62.36.105.129.in-addr.arpa. domain name pointer kuhn.iems.northwestern.edu
[86400] 63.36.105.129.in-addr.arpa. domain name pointer spectacle.iems.northwestern.edu
[86400] 64.36.105.129.in-addr.arpa. domain name pointer rondo.iems.northwestern.edu
[86400] 65.36.105.129.in-addr.arpa. domain name pointer grace.iems.northwestern.edu
[86400] 66.36.105.129.in-addr.arpa. domain name pointer optimze.grace.iems.northwestern.edu
[0] 67.36.105.129.in-addr.arpa.: domain name does not exist
[0] 68.36.105.129.in-addr.arpa.: domain name does not exist
[0] 69.36.105.129.in-addr.arpa.: domain name does not exist
[0] 70.36.105.129.in-addr.arpa.: domain name does not exist
[0] 71.36.105.129.in-addr.arpa.: domain name does not exist
[0] 72.36.105.129.in-addr.arpa.: domain name does not exist
[0] 73.36.105.129.in-addr.arpa.: domain name does not exist
[0] 74.36.105.129.in-addr.arpa.: domain name does not exist
[0] 75.36.105.129.in-addr.arpa.: domain name does not exist
[0] 76.36.105.129.in-addr.arpa.: domain name does not exist
[0] 77.36.105.129.in-addr.arpa.: domain name does not exist
[0] 78.36.105.129.in-addr.arpa.: domain name does not exist
[0] 79.36.105.129.in-addr.arpa.: domain name does not exist
[0] 80.36.105.129.in-addr.arpa.: domain name does not exist
[0] 81.36.105.129.in-addr.arpa.: domain name does not exist
[0] 82.36.105.129.in-addr.arpa.: domain name does not exist
[0] 83.36.105.129.in-addr.arpa.: domain name does not exist
[0] 84.36.105.129.in-addr.arpa.: domain name does not exist
[0] 85.36.105.129.in-addr.arpa.: domain name does not exist
[0] 86.36.105.129.in-addr.arpa.: domain name does not exist
[0] 87.36.105.129.in-addr.arpa.: domain name does not exist
[0] 88.36.105.129.in-addr.arpa.: domain name does not exist
[0] 89.36.105.129.in-addr.arpa.: domain name does not exist
[0] 90.36.105.129.in-addr.arpa.: domain name does not exist
[0] 91.36.105.129.in-addr.arpa.: domain name does not exist
[0] 92.36.105.129.in-addr.arpa.: domain name does not exist
[0] 93.36.105.129.in-addr.arpa.: domain name does not exist
[0] 94.36.105.129.in-addr.arpa.: domain name does not exist
[0] 95.36.105.129.in-addr.arpa.: domain name does not exist
[0] 96.36.105.129.in-addr.arpa.: domain name does not exist
[0] 97.36.105.129.in-addr.arpa.: domain name does not exist
[0] 98.36.105.129.in-addr.arpa.: domain name does not exist
[0] 99.36.105.129.in-addr.arpa.: domain name does not exist
[0] 100.36.105.129.in-addr.arpa.: domain name does not exist
[86400] 101.36.105.129.in-addr.arpa. domain name pointer www.leadersresearch.northwestern.edu
[86400] 102.36.105.129.in-addr.arpa. domain name pointer macavity.iems.northwestern.edu
[86400] 103.36.105.129.in-addr.arpa. domain name pointer conwip.iems.northwestern.edu
[86400] 104.36.105.129.in-addr.arpa. domain name pointer melody.iems.northwestern.edu
[86400] 105.36.105.129.in-addr.arpa. domain name pointer ross.iems.northwestern.edu
[86400] 106.36.105.129.in-addr.arpa. domain name pointer wayne.iems.northwestern.edu
[86400] 107.36.105.129.in-addr.arpa. domain name pointer frey.iems.northwestern.edu
[86400] 108.36.105.129.in-addr.arpa. domain name pointer hazen.iems.northwestern.edu
[86400] 109.36.105.129.in-addr.arpa. domain name pointer tamhane.iems.northwestern.edu
[86400] 110.36.105.129.in-addr.arpa. domain name pointer arden.iems.northwestern.edu
[86400] 111.36.105.129.in-addr.arpa. domain name pointer robin.iems.northwestern.edu
[86400] 112.36.105.129.in-addr.arpa. domain name pointer pc3021.iems.northwestern.edu
[86400] 113.36.105.129.in-addr.arpa. domain name pointer hamlet.iems.northwestern.edu
[86400] 114.36.105.129.in-addr.arpa. domain name pointer reeme.iems.northwestern.edu
[86400] 115.36.105.129.in-addr.arpa. domain name pointer nextgb.iems.northwestern.edu
[86400] 116.36.105.129.in-addr.arpa. domain name pointer mac116.iems.northwestern.edu
[86400] 117.36.105.129.in-addr.arpa. domain name pointer thompson.iems.northwestern.edu
[86400] 118.36.105.129.in-addr.arpa. domain name pointer admin.iems.northwestern.edu
[86400] 119.36.105.129.in-addr.arpa. domain name pointer junewayne.iems.northwestern.edu
[86400] 120.36.105.129.in-addr.arpa. domain name pointer trio.iems.northwestern.edu
[86400] 121.36.105.129.in-addr.arpa. domain name pointer seyedpc.iems.northwestern.edu
[86400] 122.36.105.129.in-addr.arpa. domain name pointer erlang.iems.northwestern.edu
[86400] 123.36.105.129.in-addr.arpa. domain name pointer powell.iems.northwestern.edu
[86400] 124.36.105.129.in-addr.arpa. domain name pointer mehrotra-pc.iems.northwestern.edu
[86400] 125.36.105.129.in-addr.arpa. domain name pointer spearman-pc.iems.northwestern.edu
[86400] 126.36.105.129.in-addr.arpa. domain name pointer whitepc.iems.northwestern.edu
[86400] 127.36.105.129.in-addr.arpa. domain name pointer shiva.iems.northwestern.edu
[86400] 128.36.105.129.in-addr.arpa. domain name pointer mdaskin.iems.northwestern.edu
[86400] 129.36.105.129.in-addr.arpa. domain name pointer wwwmmm.iems.northwestern.edu
[86400] 130.36.105.129.in-addr.arpa. domain name pointer lounge.iems.northwestern.edu
[86400] 131.36.105.129.in-addr.arpa. domain name pointer levidell.iems.northwestern.edu
[86400] 132.36.105.129.in-addr.arpa. domain name pointer mdaskinlap.iems.northwestern.edu
[86400] 133.36.105.129.in-addr.arpa. domain name pointer workstudy.iems.northwestern.edu
[86400] 134.36.105.129.in-addr.arpa. domain name pointer ortiz.iems.northwestern.edu
[86400] 135.36.105.129.in-addr.arpa. domain name pointer hurter.iems.northwestern.edu
[86400] 136.36.105.129.in-addr.arpa. domain name pointer anklette.iems.northwestern.edu
[86400] 137.36.105.129.in-addr.arpa. domain name pointer grad-pc.iems.northwestern.edu
[86400] 138.36.105.129.in-addr.arpa. domain name pointer qelab.iems.northwestern.edu
[86400] 139.36.105.129.in-addr.arpa. domain name pointer duenyas.iems.northwestern.edu
[86400] 140.36.105.129.in-addr.arpa. domain name pointer mempc.iems.northwestern.edu
[86400] 141.36.105.129.in-addr.arpa. domain name pointer shen.iems.northwestern.edu
[86400] 142.36.105.129.in-addr.arpa. domain name pointer cufstation.iems.northwestern.edu
[86400] 143.36.105.129.in-addr.arpa. domain name pointer abe.iems.northwestern.edu
[86400] 144.36.105.129.in-addr.arpa. domain name pointer microsoft.iems.northwestern.edu
[86400] 145.36.105.129.in-addr.arpa. domain name pointer krishna.iems.northwestern.edu
[86400] 146.36.105.129.in-addr.arpa. domain name pointer tesla.iems.northwestern.edu
[86400] 147.36.105.129.in-addr.arpa. domain name pointer whitin.iems.northwestern.edu
[86400] 148.36.105.129.in-addr.arpa. domain name pointer orlicky.iems.northwestern.edu
[86400] 149.36.105.129.in-addr.arpa. domain name pointer imp.iems.northwestern.edu
[86400] 150.36.105.129.in-addr.arpa. domain name pointer isa.iems.northwestern.edu
[86400] 151.36.105.129.in-addr.arpa. domain name pointer memhelp.iems.northwestern.edu
[86400] 152.36.105.129.in-addr.arpa. domain name pointer moebius.iems.northwestern.edu
[86400] 153.36.105.129.in-addr.arpa. domain name pointer tikvah.iems.northwestern.edu
[86400] 154.36.105.129.in-addr.arpa. domain name pointer c124.iems.northwestern.edu
[86400] 155.36.105.129.in-addr.arpa. domain name pointer c217.iems.northwestern.edu
[86400] 156.36.105.129.in-addr.arpa. domain name pointer c223.iems.northwestern.edu
[86400] 157.36.105.129.in-addr.arpa. domain name pointer c229.iems.northwestern.edu
[86400] 158.36.105.129.in-addr.arpa. domain name pointer c230.iems.northwestern.edu
[86400] 159.36.105.129.in-addr.arpa. domain name pointer c231.iems.northwestern.edu
[86400] 160.36.105.129.in-addr.arpa. domain name pointer adjunct.iems.northwestern.edu
[86400] 161.36.105.129.in-addr.arpa. domain name pointer tamhane-laptop.iems.northwestern.edu
[86400] 162.36.105.129.in-addr.arpa. domain name pointer student.iems.northwestern.edu
[86400] 163.36.105.129.in-addr.arpa. domain name pointer pc1.iems.northwestern.edu
[86400] 164.36.105.129.in-addr.arpa. domain name pointer pc2.iems.northwestern.edu
[86400] 165.36.105.129.in-addr.arpa. domain name pointer pc3.iems.northwestern.edu
[86400] 166.36.105.129.in-addr.arpa. domain name pointer pc4.iems.northwestern.edu
[86400] 167.36.105.129.in-addr.arpa. domain name pointer pc5.iems.northwestern.edu
[86400] 168.36.105.129.in-addr.arpa. domain name pointer pc6.iems.northwestern.edu
[86400] 169.36.105.129.in-addr.arpa. domain name pointer doh.iems.northwestern.edu
[86400] 170.36.105.129.in-addr.arpa. domain name pointer senna.iems.northwestern.edu
[86400] 171.36.105.129.in-addr.arpa. domain name pointer huipc.iems.northwestern.edu
[86400] 172.36.105.129.in-addr.arpa. domain name pointer commons.iems.northwestern.edu
[86400] 173.36.105.129.in-addr.arpa. domain name pointer seyedpc2.iems.northwestern.edu
[0] 174.36.105.129.in-addr.arpa.: domain name does not exist
[86400] 175.36.105.129.in-addr.arpa. domain name pointer iems175.iems.northwestern.edu
[86400] 176.36.105.129.in-addr.arpa. domain name pointer iems176.iems.northwestern.edu
[86400] 177.36.105.129.in-addr.arpa. domain name pointer iems177.iems.northwestern.edu
[86400] 178.36.105.129.in-addr.arpa. domain name pointer iems178.iems.northwestern.edu
[86400] 179.36.105.129.in-addr.arpa. domain name pointer iems179.iems.northwestern.edu
[86400] 180.36.105.129.in-addr.arpa. domain name pointer iems180.iems.northwestern.edu
[86400] 181.36.105.129.in-addr.arpa. domain name pointer iems181.iems.northwestern.edu
[86400] 182.36.105.129.in-addr.arpa. domain name pointer iems182.iems.northwestern.edu
[86400] 183.36.105.129.in-addr.arpa. domain name pointer iems183.iems.northwestern.edu
[86400] 184.36.105.129.in-addr.arpa. domain name pointer iems184.iems.northwestern.edu
[86400] 185.36.105.129.in-addr.arpa. domain name pointer iems185.iems.northwestern.edu
[86400] 186.36.105.129.in-addr.arpa. domain name pointer iems186.iems.northwestern.edu
[86400] 187.36.105.129.in-addr.arpa. domain name pointer iems187.iems.northwestern.edu
[86400] 188.36.105.129.in-addr.arpa. domain name pointer iems188.iems.northwestern.edu
[86400] 189.36.105.129.in-addr.arpa. domain name pointer iems189.iems.northwestern.edu
[86400] 190.36.105.129.in-addr.arpa. domain name pointer iems190.iems.northwestern.edu
[86400] 191.36.105.129.in-addr.arpa. domain name pointer iems191.iems.northwestern.edu
[86400] 192.36.105.129.in-addr.arpa. domain name pointer iems192.iems.northwestern.edu
[86400] 193.36.105.129.in-addr.arpa. domain name pointer iems193.iems.northwestern.edu
[86400] 194.36.105.129.in-addr.arpa. domain name pointer iems194.iems.northwestern.edu
[86400] 195.36.105.129.in-addr.arpa. domain name pointer iems195.iems.northwestern.edu
[86400] 196.36.105.129.in-addr.arpa. domain name pointer iems196.iems.northwestern.edu
[86400] 197.36.105.129.in-addr.arpa. domain name pointer iems197.iems.northwestern.edu
[86400] 198.36.105.129.in-addr.arpa. domain name pointer iems198.iems.northwestern.edu
[86400] 199.36.105.129.in-addr.arpa. domain name pointer iems199.iems.northwestern.edu
[86400] 200.36.105.129.in-addr.arpa. domain name pointer iems200.iems.northwestern.edu
[86400] 201.36.105.129.in-addr.arpa. domain name pointer iems201.iems.northwestern.edu
[86400] 202.36.105.129.in-addr.arpa. domain name pointer iems202.iems.northwestern.edu
[86400] 203.36.105.129.in-addr.arpa. domain name pointer iems203.iems.northwestern.edu
[86400] 204.36.105.129.in-addr.arpa. domain name pointer iems204.iems.northwestern.edu
[86400] 205.36.105.129.in-addr.arpa. domain name pointer iems205.iems.northwestern.edu
[86400] 206.36.105.129.in-addr.arpa. domain name pointer iems206.iems.northwestern.edu
[86400] 207.36.105.129.in-addr.arpa. domain name pointer iems207.iems.northwestern.edu
[86400] 208.36.105.129.in-addr.arpa. domain name pointer iems208.iems.northwestern.edu
[86400] 209.36.105.129.in-addr.arpa. domain name pointer iems209.iems.northwestern.edu
[86400] 210.36.105.129.in-addr.arpa. domain name pointer iems210.iems.northwestern.edu
[86400] 211.36.105.129.in-addr.arpa. domain name pointer iems211.iems.northwestern.edu
[86400] 212.36.105.129.in-addr.arpa. domain name pointer iems212.iems.northwestern.edu
[86400] 213.36.105.129.in-addr.arpa. domain name pointer iems213.iems.northwestern.edu
[86400] 214.36.105.129.in-addr.arpa. domain name pointer iems214.iems.northwestern.edu
[86400] 215.36.105.129.in-addr.arpa. domain name pointer iems215.iems.northwestern.edu
[86400] 216.36.105.129.in-addr.arpa. domain name pointer iems216.iems.northwestern.edu
[86400] 217.36.105.129.in-addr.arpa. domain name pointer iems217.iems.northwestern.edu
[86400] 218.36.105.129.in-addr.arpa. domain name pointer iems218.iems.northwestern.edu
[86400] 219.36.105.129.in-addr.arpa. domain name pointer iems219.iems.northwestern.edu
[86400] 220.36.105.129.in-addr.arpa. domain name pointer iems220.iems.northwestern.edu
[86400] 221.36.105.129.in-addr.arpa. domain name pointer iems221.iems.northwestern.edu
[86400] 222.36.105.129.in-addr.arpa. domain name pointer iems222.iems.northwestern.edu
[86400] 223.36.105.129.in-addr.arpa. domain name pointer iems223.iems.northwestern.edu
[86400] 224.36.105.129.in-addr.arpa. domain name pointer iems224.iems.northwestern.edu
[86400] 225.36.105.129.in-addr.arpa. domain name pointer esmapc.iems.northwestern.edu
[86400] 226.36.105.129.in-addr.arpa. domain name pointer abyss.iems.northwestern.edu
[86400] 227.36.105.129.in-addr.arpa. domain name pointer yuper.iems.northwestern.edu
[86400] 228.36.105.129.in-addr.arpa. domain name pointer monocle.iems.northwestern.edu
[86400] 229.36.105.129.in-addr.arpa. domain name pointer focus.iems.northwestern.edu
[86400] 230.36.105.129.in-addr.arpa. domain name pointer beergame.iems.northwestern.edu
[0] 231.36.105.129.in-addr.arpa.: domain name does not exist
[86400] 232.36.105.129.in-addr.arpa. domain name pointer ozone.iems.northwestern.edu
[0] 233.36.105.129.in-addr.arpa.: domain name does not exist
[0] 234.36.105.129.in-addr.arpa.: domain name does not exist
[0] 235.36.105.129.in-addr.arpa.: domain name does not exist
[0] 236.36.105.129.in-addr.arpa.: domain name does not exist
[0] 237.36.105.129.in-addr.arpa.: domain name does not exist
[0] 238.36.105.129.in-addr.arpa.: domain name does not exist
[0] 239.36.105.129.in-addr.arpa.: domain name does not exist
[86400] 240.36.105.129.in-addr.arpa. domain name pointer iems240.iems.northwestern.edu
[86400] 241.36.105.129.in-addr.arpa. domain name pointer iems241.iems.northwestern.edu
[86400] 242.36.105.129.in-addr.arpa. domain name pointer iems242.iems.northwestern.edu
[86400] 243.36.105.129.in-addr.arpa. domain name pointer iems243.iems.northwestern.edu
[86400] 244.36.105.129.in-addr.arpa. domain name pointer iems244.iems.northwestern.edu
[86400] 245.36.105.129.in-addr.arpa. domain name pointer iems245.iems.northwestern.edu
[86400] 246.36.105.129.in-addr.arpa. domain name pointer iems246.iems.northwestern.edu
[86400] 247.36.105.129.in-addr.arpa. domain name pointer iems247.iems.northwestern.edu
[86400] 248.36.105.129.in-addr.arpa. domain name pointer iems248.iems.northwestern.edu
[86400] 249.36.105.129.in-addr.arpa. domain name pointer iems249.iems.northwestern.edu
[86400] 250.36.105.129.in-addr.arpa. domain name pointer iems250.iems.northwestern.edu
[86400] 251.36.105.129.in-addr.arpa. domain name pointer iems251.iems.northwestern.edu
[86400] 252.36.105.129.in-addr.arpa. domain name pointer iems252.iems.northwestern.edu
[86400] 253.36.105.129.in-addr.arpa. domain name pointer iems253.iems.northwestern.edu
[86400] 254.36.105.129.in-addr.arpa. domain name pointer iems254.iems.northwestern.edu
[0] 255.36.105.129.in-addr.arpa.: domain name does not exist