[0] 0.161.180.140.in-addr.arpa.: domain name does not exist [43200] 1.161.180.140.in-addr.arpa. domain name pointer ssuchars.student.Princeton.EDU [43200] 2.161.180.140.in-addr.arpa. domain name pointer starrett.student.Princeton.EDU [43200] 3.161.180.140.in-addr.arpa. domain name pointer stonetti.student.Princeton.EDU [43200] 4.161.180.140.in-addr.arpa. domain name pointer stransky.student.Princeton.EDU [43200] 5.161.180.140.in-addr.arpa. domain name pointer stringer.student.Princeton.EDU [43200] 6.161.180.140.in-addr.arpa. domain name pointer sumewaka.student.Princeton.EDU [43200] 7.161.180.140.in-addr.arpa. domain name pointer sundheim.student.Princeton.EDU [43200] 8.161.180.140.in-addr.arpa. domain name pointer sunger.student.Princeton.EDU [43200] 9.161.180.140.in-addr.arpa. domain name pointer susanlw.student.Princeton.EDU [43200] 10.161.180.140.in-addr.arpa. domain name pointer swalter.student.Princeton.EDU [43200] 11.161.180.140.in-addr.arpa. domain name pointer swatts.student.Princeton.EDU [43200] 12.161.180.140.in-addr.arpa. domain name pointer swelch.student.Princeton.EDU [43200] 13.161.180.140.in-addr.arpa. domain name pointer swelfel.student.Princeton.EDU [43200] 14.161.180.140.in-addr.arpa. domain name pointer swilder.student.Princeton.EDU [43200] 15.161.180.140.in-addr.arpa. domain name pointer syc.student.Princeton.EDU [43200] 16.161.180.140.in-addr.arpa. domain name pointer szewchuk.student.Princeton.EDU [43200] 17.161.180.140.in-addr.arpa. domain name pointer tatwater.student.Princeton.EDU [43200] 18.161.180.140.in-addr.arpa. domain name pointer tbender.student.Princeton.EDU [43200] 19.161.180.140.in-addr.arpa. domain name pointer tbilbao.student.Princeton.EDU [43200] 20.161.180.140.in-addr.arpa. domain name pointer tchritto.student.Princeton.EDU [43200] 21.161.180.140.in-addr.arpa. domain name pointer tchun.student.Princeton.EDU [43200] 22.161.180.140.in-addr.arpa. domain name pointer tclark.student.Princeton.EDU [43200] 23.161.180.140.in-addr.arpa. domain name pointer teakin.student.Princeton.EDU [43200] 24.161.180.140.in-addr.arpa. domain name pointer teng.student.Princeton.EDU [43200] 25.161.180.140.in-addr.arpa. domain name pointer tfossas.student.Princeton.EDU [43200] 26.161.180.140.in-addr.arpa. domain name pointer tgarber.student.Princeton.EDU [0] 27.161.180.140.in-addr.arpa.: domain name does not exist [43200] 28.161.180.140.in-addr.arpa. domain name pointer thsia.student.Princeton.EDU [43200] 29.161.180.140.in-addr.arpa. domain name pointer tjbarry.student.Princeton.EDU [43200] 30.161.180.140.in-addr.arpa. domain name pointer tjedward.student.Princeton.EDU [43200] 31.161.180.140.in-addr.arpa. domain name pointer tknop.student.Princeton.EDU [43200] 32.161.180.140.in-addr.arpa. domain name pointer tkoo.student.Princeton.EDU [43200] 33.161.180.140.in-addr.arpa. domain name pointer tkuhn.student.Princeton.EDU [43200] 34.161.180.140.in-addr.arpa. domain name pointer tlorenzo.student.Princeton.EDU [43200] 35.161.180.140.in-addr.arpa. domain name pointer tlyons.student.Princeton.EDU [43200] 36.161.180.140.in-addr.arpa. domain name pointer tmalott.student.Princeton.EDU [43200] 37.161.180.140.in-addr.arpa. domain name pointer tmanders.student.Princeton.EDU [43200] 38.161.180.140.in-addr.arpa. domain name pointer tmathai.student.Princeton.EDU [43200] 39.161.180.140.in-addr.arpa. domain name pointer tmonson.student.Princeton.EDU [43200] 40.161.180.140.in-addr.arpa. domain name pointer tokubo.student.Princeton.EDU [43200] 41.161.180.140.in-addr.arpa. domain name pointer tonnesen.student.Princeton.EDU [43200] 42.161.180.140.in-addr.arpa. domain name pointer torourke.student.Princeton.EDU [43200] 43.161.180.140.in-addr.arpa. domain name pointer tprugar.student.Princeton.EDU [43200] 44.161.180.140.in-addr.arpa. domain name pointer trozier.student.Princeton.EDU [43200] 45.161.180.140.in-addr.arpa. domain name pointer trtaylor.student.Princeton.EDU [43200] 46.161.180.140.in-addr.arpa. domain name pointer trwhite.student.Princeton.EDU [43200] 47.161.180.140.in-addr.arpa. domain name pointer tsbrown.student.Princeton.EDU [43200] 48.161.180.140.in-addr.arpa. domain name pointer tschwart.student.Princeton.EDU [43200] 49.161.180.140.in-addr.arpa. domain name pointer ttran.student.Princeton.EDU [43200] 50.161.180.140.in-addr.arpa. domain name pointer tvoute.student.Princeton.EDU [43200] 51.161.180.140.in-addr.arpa. domain name pointer twhitake.student.Princeton.EDU [43200] 52.161.180.140.in-addr.arpa. domain name pointer twsmith.student.Princeton.EDU [43200] 53.161.180.140.in-addr.arpa. domain name pointer tyeh.student.Princeton.EDU [43200] 54.161.180.140.in-addr.arpa. domain name pointer vatkins.student.Princeton.EDU [43200] 55.161.180.140.in-addr.arpa. domain name pointer vbellapr.student.Princeton.EDU [43200] 56.161.180.140.in-addr.arpa. domain name pointer vdelva.student.Princeton.EDU [43200] 57.161.180.140.in-addr.arpa. domain name pointer vjacob.student.Princeton.EDU [43200] 58.161.180.140.in-addr.arpa. domain name pointer vasanta.student.Princeton.EDU [43200] 59.161.180.140.in-addr.arpa. domain name pointer vrao.student.Princeton.EDU [43200] 60.161.180.140.in-addr.arpa. domain name pointer vsadaka.student.Princeton.EDU [43200] 61.161.180.140.in-addr.arpa. domain name pointer vtan.student.Princeton.EDU [43200] 62.161.180.140.in-addr.arpa. domain name pointer vwu.student.Princeton.EDU [43200] 63.161.180.140.in-addr.arpa. domain name pointer wboothby.student.Princeton.EDU [43200] 64.161.180.140.in-addr.arpa. domain name pointer wbutler.student.Princeton.EDU [43200] 65.161.180.140.in-addr.arpa. domain name pointer wcbrown.student.Princeton.EDU [43200] 66.161.180.140.in-addr.arpa. domain name pointer wchowdhu.student.Princeton.EDU [43200] 67.161.180.140.in-addr.arpa. domain name pointer weixu.student.Princeton.EDU [43200] 68.161.180.140.in-addr.arpa. domain name pointer wendell.student.Princeton.EDU [43200] 69.161.180.140.in-addr.arpa. domain name pointer westwood.student.Princeton.EDU [43200] 70.161.180.140.in-addr.arpa. domain name pointer wfloyd.student.Princeton.EDU [43200] 71.161.180.140.in-addr.arpa. domain name pointer wfrist.student.Princeton.EDU [43200] 72.161.180.140.in-addr.arpa. domain name pointer wgmarsha.student.Princeton.EDU [43200] 73.161.180.140.in-addr.arpa. domain name pointer wguerrer.student.Princeton.EDU [43200] 74.161.180.140.in-addr.arpa. domain name pointer wharman.student.Princeton.EDU [43200] 75.161.180.140.in-addr.arpa. domain name pointer wheaton.student.Princeton.EDU [43200] 76.161.180.140.in-addr.arpa. domain name pointer whopp.student.Princeton.EDU [43200] 77.161.180.140.in-addr.arpa. domain name pointer whu.student.Princeton.EDU [43200] 78.161.180.140.in-addr.arpa. domain name pointer wmongan.student.Princeton.EDU [43200] 79.161.180.140.in-addr.arpa. domain name pointer wpowell.student.Princeton.EDU [43200] 80.161.180.140.in-addr.arpa. domain name pointer wreinhar.student.Princeton.EDU [43200] 81.161.180.140.in-addr.arpa. domain name pointer wren.student.Princeton.EDU [43200] 82.161.180.140.in-addr.arpa. domain name pointer wskinner.student.Princeton.EDU [43200] 83.161.180.140.in-addr.arpa. domain name pointer wtrudell.student.Princeton.EDU [43200] 84.161.180.140.in-addr.arpa. domain name pointer wtseng.student.Princeton.EDU [43200] 85.161.180.140.in-addr.arpa. domain name pointer wwells.student.Princeton.EDU [43200] 86.161.180.140.in-addr.arpa. domain name pointer xuequnp.student.Princeton.EDU [43200] 87.161.180.140.in-addr.arpa. domain name pointer yel.student.Princeton.EDU [43200] 88.161.180.140.in-addr.arpa. domain name pointer yguo.student.Princeton.EDU [43200] 89.161.180.140.in-addr.arpa. domain name pointer ykim.student.Princeton.EDU [43200] 90.161.180.140.in-addr.arpa. domain name pointer ylarrabe.student.Princeton.EDU [43200] 91.161.180.140.in-addr.arpa. domain name pointer ylien.student.Princeton.EDU [43200] 92.161.180.140.in-addr.arpa. domain name pointer ysong.student.Princeton.EDU [43200] 93.161.180.140.in-addr.arpa. domain name pointer ytang.student.Princeton.EDU [43200] 94.161.180.140.in-addr.arpa. domain name pointer yungster.student.Princeton.EDU [0] 95.161.180.140.in-addr.arpa.: domain name does not exist [43200] 96.161.180.140.in-addr.arpa. domain name pointer zbailey.student.Princeton.EDU [43200] 97.161.180.140.in-addr.arpa. domain name pointer zclark.student.Princeton.EDU [43200] 98.161.180.140.in-addr.arpa. domain name pointer zfinney.student.Princeton.EDU [43200] 99.161.180.140.in-addr.arpa. domain name pointer zkanjee.student.Princeton.EDU [43200] 100.161.180.140.in-addr.arpa. domain name pointer zwendkos.student.Princeton.EDU [43200] 101.161.180.140.in-addr.arpa. domain name pointer zwoolfe.student.Princeton.EDU [0] 102.161.180.140.in-addr.arpa.: domain name does not exist [43200] 103.161.180.140.in-addr.arpa. domain name pointer alphan.student.Princeton.EDU [43200] 104.161.180.140.in-addr.arpa. domain name pointer aburra.student.Princeton.EDU [0] 105.161.180.140.in-addr.arpa.: domain name does not exist [43200] 106.161.180.140.in-addr.arpa. domain name pointer ppelton.student.Princeton.EDU [43200] 107.161.180.140.in-addr.arpa. domain name pointer lkhines.student.Princeton.EDU [0] 108.161.180.140.in-addr.arpa.: domain name does not exist [0] 109.161.180.140.in-addr.arpa.: domain name does not exist [43200] 110.161.180.140.in-addr.arpa. domain name pointer aglopez.student.Princeton.EDU [43200] 111.161.180.140.in-addr.arpa. domain name pointer ago.student.Princeton.EDU [43200] 112.161.180.140.in-addr.arpa. domain name pointer agoren.student.Princeton.EDU [43200] 113.161.180.140.in-addr.arpa. domain name pointer ahammann.student.Princeton.EDU [0] 114.161.180.140.in-addr.arpa.: domain name does not exist [43200] 115.161.180.140.in-addr.arpa. domain name pointer preissig.student.Princeton.EDU [0] 116.161.180.140.in-addr.arpa.: domain name does not exist [43200] 117.161.180.140.in-addr.arpa. domain name pointer alenarto.student.Princeton.EDU [43200] 118.161.180.140.in-addr.arpa. domain name pointer aleri.student.Princeton.EDU [43200] 119.161.180.140.in-addr.arpa. domain name pointer prithag.student.Princeton.EDU [43200] 120.161.180.140.in-addr.arpa. domain name pointer lkjohnso.student.Princeton.EDU [0] 121.161.180.140.in-addr.arpa.: domain name does not exist [43200] 122.161.180.140.in-addr.arpa. domain name pointer lkjones.student.Princeton.EDU [43200] 123.161.180.140.in-addr.arpa. domain name pointer lkornrei.student.Princeton.EDU [43200] 124.161.180.140.in-addr.arpa. domain name pointer lladams.student.Princeton.EDU [43200] 125.161.180.140.in-addr.arpa. domain name pointer aabdalla.student.Princeton.EDU [43200] 126.161.180.140.in-addr.arpa. domain name pointer anasr.student.Princeton.EDU [43200] 127.161.180.140.in-addr.arpa. domain name pointer aoster.student.Princeton.EDU [43200] 128.161.180.140.in-addr.arpa. domain name pointer lmartine.student.Princeton.EDU [43200] 129.161.180.140.in-addr.arpa. domain name pointer lmiao.student.Princeton.EDU [43200] 130.161.180.140.in-addr.arpa. domain name pointer prosenst.student.Princeton.EDU [43200] 131.161.180.140.in-addr.arpa. domain name pointer apeter.student.Princeton.EDU [43200] 132.161.180.140.in-addr.arpa. domain name pointer lmorales.student.Princeton.EDU [0] 133.161.180.140.in-addr.arpa.: domain name does not exist [43200] 134.161.180.140.in-addr.arpa. domain name pointer aradules.student.Princeton.EDU [43200] 135.161.180.140.in-addr.arpa. domain name pointer asango.student.Princeton.EDU [0] 136.161.180.140.in-addr.arpa.: domain name does not exist [43200] 137.161.180.140.in-addr.arpa. domain name pointer asefkow.student.Princeton.EDU [43200] 138.161.180.140.in-addr.arpa. domain name pointer asoviani.student.Princeton.EDU [43200] 139.161.180.140.in-addr.arpa. domain name pointer asponsel.student.Princeton.EDU [43200] 140.161.180.140.in-addr.arpa. domain name pointer lnigro.student.Princeton.EDU [0] 141.161.180.140.in-addr.arpa.: domain name does not exist [0] 142.161.180.140.in-addr.arpa.: domain name does not exist [43200] 143.161.180.140.in-addr.arpa. domain name pointer asutto.student.Princeton.EDU [43200] 144.161.180.140.in-addr.arpa. domain name pointer aswartwo.student.Princeton.EDU [43200] 145.161.180.140.in-addr.arpa. domain name pointer atormey.student.Princeton.EDU [43200] 146.161.180.140.in-addr.arpa. domain name pointer atutino.student.Princeton.EDU [43200] 147.161.180.140.in-addr.arpa. domain name pointer aagarwal.student.Princeton.EDU [43200] 148.161.180.140.in-addr.arpa. domain name pointer loh.student.Princeton.EDU [43200] 149.161.180.140.in-addr.arpa. domain name pointer bbuckinx.student.Princeton.EDU [43200] 150.161.180.140.in-addr.arpa. domain name pointer bcrichar.student.Princeton.EDU [43200] 151.161.180.140.in-addr.arpa. domain name pointer bgilley.student.Princeton.EDU [43200] 152.161.180.140.in-addr.arpa. domain name pointer bguo.student.Princeton.EDU [43200] 153.161.180.140.in-addr.arpa. domain name pointer pschmidt.student.Princeton.EDU [43200] 154.161.180.140.in-addr.arpa. domain name pointer bhopper.student.Princeton.EDU [43200] 155.161.180.140.in-addr.arpa. domain name pointer biesiada.student.Princeton.EDU [43200] 156.161.180.140.in-addr.arpa. domain name pointer pseidel.student.Princeton.EDU [43200] 157.161.180.140.in-addr.arpa. domain name pointer bjbrown.student.Princeton.EDU [0] 158.161.180.140.in-addr.arpa.: domain name does not exist [43200] 159.161.180.140.in-addr.arpa. domain name pointer loughlin.student.Princeton.EDU [43200] 160.161.180.140.in-addr.arpa. domain name pointer brosenzw.student.Princeton.EDU [0] 161.161.180.140.in-addr.arpa.: domain name does not exist [43200] 162.161.180.140.in-addr.arpa. domain name pointer psli.student.Princeton.EDU [43200] 163.161.180.140.in-addr.arpa. domain name pointer bwu.student.Princeton.EDU [43200] 164.161.180.140.in-addr.arpa. domain name pointer bxu.student.Princeton.EDU [0] 165.161.180.140.in-addr.arpa.: domain name does not exist [43200] 166.161.180.140.in-addr.arpa. domain name pointer psmuller.student.Princeton.EDU [43200] 167.161.180.140.in-addr.arpa. domain name pointer lragupat.student.Princeton.EDU [43200] 168.161.180.140.in-addr.arpa. domain name pointer cbozzoli.student.Princeton.EDU [43200] 169.161.180.140.in-addr.arpa. domain name pointer cbres.student.Princeton.EDU [43200] 170.161.180.140.in-addr.arpa. domain name pointer cbristow.student.Princeton.EDU [0] 171.161.180.140.in-addr.arpa.: domain name does not exist [0] 172.161.180.140.in-addr.arpa.: domain name does not exist [43200] 173.161.180.140.in-addr.arpa. domain name pointer ccaldwel.student.Princeton.EDU [43200] 174.161.180.140.in-addr.arpa. domain name pointer cceleste.student.Princeton.EDU [43200] 175.161.180.140.in-addr.arpa. domain name pointer cdahl.student.Princeton.EDU [43200] 176.161.180.140.in-addr.arpa. domain name pointer cdarnton.student.Princeton.EDU [43200] 177.161.180.140.in-addr.arpa. domain name pointer cdiehl.student.Princeton.EDU [43200] 178.161.180.140.in-addr.arpa. domain name pointer lrosa.student.Princeton.EDU [0] 179.161.180.140.in-addr.arpa.: domain name does not exist [0] 180.161.180.140.in-addr.arpa.: domain name does not exist [43200] 181.161.180.140.in-addr.arpa. domain name pointer pstec.student.Princeton.EDU [43200] 182.161.180.140.in-addr.arpa. domain name pointer chiyang.student.Princeton.EDU [43200] 183.161.180.140.in-addr.arpa. domain name pointer lscherer.student.Princeton.EDU [43200] 184.161.180.140.in-addr.arpa. domain name pointer lschnair.student.Princeton.EDU [43200] 185.161.180.140.in-addr.arpa. domain name pointer clmyers.student.Princeton.EDU [43200] 186.161.180.140.in-addr.arpa. domain name pointer lseitlhe.student.Princeton.EDU [43200] 187.161.180.140.in-addr.arpa. domain name pointer cmatthay.student.Princeton.EDU [0] 188.161.180.140.in-addr.arpa.: domain name does not exist [0] 189.161.180.140.in-addr.arpa.: domain name does not exist [0] 190.161.180.140.in-addr.arpa.: domain name does not exist [43200] 191.161.180.140.in-addr.arpa. domain name pointer lsilvers.student.Princeton.EDU [43200] 192.161.180.140.in-addr.arpa. domain name pointer croddie.student.Princeton.EDU [0] 193.161.180.140.in-addr.arpa.: domain name does not exist [43200] 194.161.180.140.in-addr.arpa. domain name pointer pstriebe.student.Princeton.EDU [43200] 195.161.180.140.in-addr.arpa. domain name pointer lvalle.student.Princeton.EDU [43200] 196.161.180.140.in-addr.arpa. domain name pointer cstoddar.student.Princeton.EDU [43200] 197.161.180.140.in-addr.arpa. domain name pointer ctu.student.Princeton.EDU [43200] 198.161.180.140.in-addr.arpa. domain name pointer cural.student.Princeton.EDU [43200] 199.161.180.140.in-addr.arpa. domain name pointer cvianac.student.Princeton.EDU [0] 200.161.180.140.in-addr.arpa.: domain name does not exist [0] 201.161.180.140.in-addr.arpa.: domain name does not exist [0] 202.161.180.140.in-addr.arpa.: domain name does not exist [43200] 203.161.180.140.in-addr.arpa. domain name pointer divya.student.Princeton.EDU [43200] 204.161.180.140.in-addr.arpa. domain name pointer davidliu.student.Princeton.EDU [0] 205.161.180.140.in-addr.arpa.: domain name does not exist [43200] 206.161.180.140.in-addr.arpa. domain name pointer dbecher.student.Princeton.EDU [0] 207.161.180.140.in-addr.arpa.: domain name does not exist [0] 208.161.180.140.in-addr.arpa.: domain name does not exist [0] 209.161.180.140.in-addr.arpa.: domain name does not exist [43200] 210.161.180.140.in-addr.arpa. domain name pointer ddillenb.student.Princeton.EDU [43200] 211.161.180.140.in-addr.arpa. domain name pointer ptan.student.Princeton.EDU [43200] 212.161.180.140.in-addr.arpa. domain name pointer dfields.student.Princeton.EDU [0] 213.161.180.140.in-addr.arpa.: domain name does not exist [43200] 214.161.180.140.in-addr.arpa. domain name pointer ptrentma.student.Princeton.EDU [43200] 215.161.180.140.in-addr.arpa. domain name pointer dmoss.student.Princeton.EDU [43200] 216.161.180.140.in-addr.arpa. domain name pointer ptsai.student.Princeton.EDU [0] 217.161.180.140.in-addr.arpa.: domain name does not exist [43200] 218.161.180.140.in-addr.arpa. domain name pointer dongli.student.Princeton.EDU [43200] 219.161.180.140.in-addr.arpa. domain name pointer dpaley.student.Princeton.EDU [43200] 220.161.180.140.in-addr.arpa. domain name pointer aathanas.student.Princeton.EDU [43200] 221.161.180.140.in-addr.arpa. domain name pointer punanue.student.Princeton.EDU [43200] 222.161.180.140.in-addr.arpa. domain name pointer dtuite.student.Princeton.EDU [43200] 223.161.180.140.in-addr.arpa. domain name pointer durban.student.Princeton.EDU [43200] 224.161.180.140.in-addr.arpa. domain name pointer lwatts.student.Princeton.EDU [0] 225.161.180.140.in-addr.arpa.: domain name does not exist [43200] 226.161.180.140.in-addr.arpa. domain name pointer lwhitehe.student.Princeton.EDU [43200] 227.161.180.140.in-addr.arpa. domain name pointer bb.student.Princeton.EDU [0] 228.161.180.140.in-addr.arpa.: domain name does not exist [43200] 229.161.180.140.in-addr.arpa. domain name pointer lwhittin.student.Princeton.EDU [0] 230.161.180.140.in-addr.arpa.: domain name does not exist [0] 231.161.180.140.in-addr.arpa.: domain name does not exist [43200] 232.161.180.140.in-addr.arpa. domain name pointer egilles.student.Princeton.EDU [43200] 233.161.180.140.in-addr.arpa. domain name pointer egleston.student.Princeton.EDU [43200] 234.161.180.140.in-addr.arpa. domain name pointer ehazan.student.Princeton.EDU [0] 235.161.180.140.in-addr.arpa.: domain name does not exist [43200] 236.161.180.140.in-addr.arpa. domain name pointer eisley.student.Princeton.EDU [43200] 237.161.180.140.in-addr.arpa. domain name pointer lyee.student.Princeton.EDU [43200] 238.161.180.140.in-addr.arpa. domain name pointer ekolemen.student.Princeton.EDU [0] 239.161.180.140.in-addr.arpa.: domain name does not exist [0] 240.161.180.140.in-addr.arpa.: domain name does not exist [43200] 241.161.180.140.in-addr.arpa. domain name pointer enabieva.student.Princeton.EDU [0] 242.161.180.140.in-addr.arpa.: domain name does not exist [43200] 243.161.180.140.in-addr.arpa. domain name pointer epark.student.Princeton.EDU [43200] 244.161.180.140.in-addr.arpa. domain name pointer lywong.student.Princeton.EDU [43200] 245.161.180.140.in-addr.arpa. domain name pointer elod.student.Princeton.EDU [43200] 246.161.180.140.in-addr.arpa. domain name pointer pvarela.student.Princeton.EDU [0] 247.161.180.140.in-addr.arpa.: domain name does not exist [43200] 248.161.180.140.in-addr.arpa. domain name pointer macurtis.student.Princeton.EDU [43200] 249.161.180.140.in-addr.arpa. domain name pointer madelilu.student.Princeton.EDU [43200] 250.161.180.140.in-addr.arpa. domain name pointer fleoni.student.Princeton.EDU [43200] 251.161.180.140.in-addr.arpa. domain name pointer pwhalen.student.Princeton.EDU [43200] 252.161.180.140.in-addr.arpa. domain name pointer fpapakon.student.Princeton.EDU [43200] 253.161.180.140.in-addr.arpa. domain name pointer fraymond.student.Princeton.EDU [43200] 254.161.180.140.in-addr.arpa. domain name pointer ftao.student.Princeton.EDU [0] 255.161.180.140.in-addr.arpa.: domain name does not exist