[0] 0.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 1.153.180.140.in-addr.arpa. domain name pointer ppalmedo.student.Princeton.EDU
[43200] 2.153.180.140.in-addr.arpa. domain name pointer ncox.student.Princeton.EDU
[43200] 3.153.180.140.in-addr.arpa. domain name pointer ppawlows.student.Princeton.EDU
[43200] 4.153.180.140.in-addr.arpa. domain name pointer pquinzio.student.Princeton.EDU
[0] 5.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 6.153.180.140.in-addr.arpa. domain name pointer pregibon.student.Princeton.EDU
[43200] 7.153.180.140.in-addr.arpa. domain name pointer prosa.student.Princeton.EDU
[43200] 8.153.180.140.in-addr.arpa. domain name pointer psmartin.student.Princeton.EDU
[43200] 9.153.180.140.in-addr.arpa. domain name pointer psoh.student.Princeton.EDU
[43200] 10.153.180.140.in-addr.arpa. domain name pointer pspeh.student.Princeton.EDU
[43200] 11.153.180.140.in-addr.arpa. domain name pointer pstella.student.Princeton.EDU
[43200] 12.153.180.140.in-addr.arpa. domain name pointer psutton.student.Princeton.EDU
[43200] 13.153.180.140.in-addr.arpa. domain name pointer ptestani.student.Princeton.EDU
[43200] 14.153.180.140.in-addr.arpa. domain name pointer pwallen.student.Princeton.EDU
[43200] 15.153.180.140.in-addr.arpa. domain name pointer pyancich.student.Princeton.EDU
[43200] 16.153.180.140.in-addr.arpa. domain name pointer pyates.student.Princeton.EDU
[43200] 17.153.180.140.in-addr.arpa. domain name pointer rajendra.student.Princeton.EDU
[43200] 18.153.180.140.in-addr.arpa. domain name pointer rajhathi.student.Princeton.EDU
[43200] 19.153.180.140.in-addr.arpa. domain name pointer ramchand.student.Princeton.EDU
[43200] 20.153.180.140.in-addr.arpa. domain name pointer rbarnes.student.Princeton.EDU
[43200] 21.153.180.140.in-addr.arpa. domain name pointer rbhagava.student.Princeton.EDU
[43200] 22.153.180.140.in-addr.arpa. domain name pointer rbilderb.student.Princeton.EDU
[43200] 23.153.180.140.in-addr.arpa. domain name pointer rbleiwei.student.Princeton.EDU
[43200] 24.153.180.140.in-addr.arpa. domain name pointer nchaubey.student.Princeton.EDU
[43200] 25.153.180.140.in-addr.arpa. domain name pointer nchaudhu.student.Princeton.EDU
[43200] 26.153.180.140.in-addr.arpa. domain name pointer rbraun.student.Princeton.EDU
[43200] 27.153.180.140.in-addr.arpa. domain name pointer rbremmer.student.Princeton.EDU
[43200] 28.153.180.140.in-addr.arpa. domain name pointer npepersa3.student.Princeton.EDU
[43200] 29.153.180.140.in-addr.arpa. domain name pointer alb-sfinkle-ll.Princeton.EDU
[43200] 30.153.180.140.in-addr.arpa. domain name pointer rcampbel.student.Princeton.EDU
[43200] 31.153.180.140.in-addr.arpa. domain name pointer lfan2.student.Princeton.EDU
[0] 32.153.180.140.in-addr.arpa.: domain name does not exist
[0] 33.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 34.153.180.140.in-addr.arpa. domain name pointer newberry.student.Princeton.EDU
[43200] 35.153.180.140.in-addr.arpa. domain name pointer ngeller.student.Princeton.EDU
[0] 36.153.180.140.in-addr.arpa.: domain name does not exist
[0] 37.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 38.153.180.140.in-addr.arpa. domain name pointer rwijetun.student.Princeton.EDU
[43200] 39.153.180.140.in-addr.arpa. domain name pointer ndas.student.Princeton.EDU
[43200] 40.153.180.140.in-addr.arpa. domain name pointer pei-lablaptop2.Princeton.EDU
[43200] 41.153.180.140.in-addr.arpa. domain name pointer rccollin.student.Princeton.EDU
[43200] 42.153.180.140.in-addr.arpa. domain name pointer jxiong.student.Princeton.EDU
[43200] 43.153.180.140.in-addr.arpa. domain name pointer jyhee.student.Princeton.EDU
[43200] 44.153.180.140.in-addr.arpa. domain name pointer rcecil.student.Princeton.EDU
[0] 45.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 46.153.180.140.in-addr.arpa. domain name pointer rcerf.student.Princeton.EDU
[43200] 47.153.180.140.in-addr.arpa. domain name pointer rchong.student.Princeton.EDU
[0] 48.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 49.153.180.140.in-addr.arpa. domain name pointer ngsingh.student.Princeton.EDU
[43200] 50.153.180.140.in-addr.arpa. domain name pointer ndegen.student.Princeton.EDU
[43200] 51.153.180.140.in-addr.arpa. domain name pointer rclatten.student.Princeton.EDU
[0] 52.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 53.153.180.140.in-addr.arpa. domain name pointer rcmccabe.student.Princeton.EDU
[0] 54.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 55.153.180.140.in-addr.arpa. domain name pointer rcoffey.student.Princeton.EDU
[43200] 56.153.180.140.in-addr.arpa. domain name pointer rcreight.student.Princeton.EDU
[43200] 57.153.180.140.in-addr.arpa. domain name pointer oit-loaner-sc4.Princeton.EDU
[43200] 58.153.180.140.in-addr.arpa. domain name pointer rdarby.student.Princeton.EDU
[43200] 59.153.180.140.in-addr.arpa. domain name pointer ndrapkin.student.Princeton.EDU
[0] 60.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 61.153.180.140.in-addr.arpa. domain name pointer rdavies.student.Princeton.EDU
[0] 62.153.180.140.in-addr.arpa.: domain name does not exist
[0] 63.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 64.153.180.140.in-addr.arpa. domain name pointer nholt.student.Princeton.EDU
[43200] 65.153.180.140.in-addr.arpa. domain name pointer strianta.student.Princeton.EDU
[43200] 66.153.180.140.in-addr.arpa. domain name pointer stsai.student.Princeton.EDU
[0] 67.153.180.140.in-addr.arpa.: domain name does not exist
[0] 68.153.180.140.in-addr.arpa.: domain name does not exist
[0] 69.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 70.153.180.140.in-addr.arpa. domain name pointer jytang.student.Princeton.EDU
[43200] 71.153.180.140.in-addr.arpa. domain name pointer rdgrant.student.Princeton.EDU
[0] 72.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 73.153.180.140.in-addr.arpa. domain name pointer tiger-inn-hp-4000n.Princeton.EDU
[0] 74.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 75.153.180.140.in-addr.arpa. domain name pointer nhopkins.student.Princeton.EDU
[0] 76.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 77.153.180.140.in-addr.arpa. domain name pointer rdiamond.student.Princeton.EDU
[0] 78.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 79.153.180.140.in-addr.arpa. domain name pointer whchen.Princeton.EDU
[43200] 80.153.180.140.in-addr.arpa. domain name pointer rebe.student.Princeton.EDU
[43200] 81.153.180.140.in-addr.arpa. domain name pointer nfintz.student.Princeton.EDU
[0] 82.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 83.153.180.140.in-addr.arpa. domain name pointer nfletche.student.Princeton.EDU
[43200] 84.153.180.140.in-addr.arpa. domain name pointer reitz.student.Princeton.EDU
[0] 85.153.180.140.in-addr.arpa.: domain name does not exist
[0] 86.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 87.153.180.140.in-addr.arpa. domain name pointer restewar.student.Princeton.EDU
[0] 88.153.180.140.in-addr.arpa.: domain name does not exist
[0] 89.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 90.153.180.140.in-addr.arpa. domain name pointer rezra.student.Princeton.EDU
[0] 91.153.180.140.in-addr.arpa.: domain name does not exist
[0] 92.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 93.153.180.140.in-addr.arpa. domain name pointer jzebrows.student.Princeton.EDU
[0] 94.153.180.140.in-addr.arpa.: domain name does not exist
[0] 95.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 96.153.180.140.in-addr.arpa. domain name pointer nhwang.student.Princeton.EDU
[43200] 97.153.180.140.in-addr.arpa. domain name pointer nhaston.student.Princeton.EDU
[43200] 98.153.180.140.in-addr.arpa. domain name pointer rfarnswo.student.Princeton.EDU
[43200] 99.153.180.140.in-addr.arpa. domain name pointer rglasgow.student.Princeton.EDU
[43200] 100.153.180.140.in-addr.arpa. domain name pointer rgoldste.student.Princeton.EDU
[0] 101.153.180.140.in-addr.arpa.: domain name does not exist
[0] 102.153.180.140.in-addr.arpa.: domain name does not exist
[0] 103.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 104.153.180.140.in-addr.arpa. domain name pointer njkim.student.Princeton.EDU
[43200] 105.153.180.140.in-addr.arpa. domain name pointer rgreywoo.student.Princeton.EDU
[0] 106.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 107.153.180.140.in-addr.arpa. domain name pointer rhack.student.Princeton.EDU
[0] 108.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 109.153.180.140.in-addr.arpa. domain name pointer niemasik.student.Princeton.EDU
[43200] 110.153.180.140.in-addr.arpa. domain name pointer richdale.student.Princeton.EDU
[43200] 111.153.180.140.in-addr.arpa. domain name pointer njay.student.Princeton.EDU
[43200] 112.153.180.140.in-addr.arpa. domain name pointer wjordan.student.Princeton.EDU
[0] 113.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 114.153.180.140.in-addr.arpa. domain name pointer rjrade.student.Princeton.EDU
[0] 115.153.180.140.in-addr.arpa.: domain name does not exist
[0] 116.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 117.153.180.140.in-addr.arpa. domain name pointer rkamal.student.Princeton.EDU
[43200] 118.153.180.140.in-addr.arpa. domain name pointer rkreddy.student.Princeton.EDU
[43200] 119.153.180.140.in-addr.arpa. domain name pointer nmacfarl.student.Princeton.EDU
[0] 120.153.180.140.in-addr.arpa.: domain name does not exist
[0] 121.153.180.140.in-addr.arpa.: domain name does not exist
[0] 122.153.180.140.in-addr.arpa.: domain name does not exist
[0] 123.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 124.153.180.140.in-addr.arpa. domain name pointer rkuhn.student.Princeton.EDU
[43200] 125.153.180.140.in-addr.arpa. domain name pointer dechen.student.Princeton.EDU
[43200] 126.153.180.140.in-addr.arpa. domain name pointer nlanzi.student.Princeton.EDU
[0] 127.153.180.140.in-addr.arpa.: domain name does not exist
[0] 128.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 129.153.180.140.in-addr.arpa. domain name pointer kaethler.student.Princeton.EDU
[0] 130.153.180.140.in-addr.arpa.: domain name does not exist
[0] 131.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 132.153.180.140.in-addr.arpa. domain name pointer rlabatt.student.Princeton.EDU
[43200] 133.153.180.140.in-addr.arpa. domain name pointer rli.student.Princeton.EDU
[0] 134.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 135.153.180.140.in-addr.arpa. domain name pointer rliljest.student.Princeton.EDU
[0] 136.153.180.140.in-addr.arpa.: domain name does not exist
[0] 137.153.180.140.in-addr.arpa.: domain name does not exist
[0] 138.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 139.153.180.140.in-addr.arpa. domain name pointer nmgross.student.Princeton.EDU
[0] 140.153.180.140.in-addr.arpa.: domain name does not exist
[0] 141.153.180.140.in-addr.arpa.: domain name does not exist
[0] 142.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 143.153.180.140.in-addr.arpa. domain name pointer nmorriso.student.Princeton.EDU
[43200] 144.153.180.140.in-addr.arpa. domain name pointer rmartin.student.Princeton.EDU
[0] 145.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 146.153.180.140.in-addr.arpa. domain name pointer pr1049.Princeton.EDU
[43200] 147.153.180.140.in-addr.arpa. domain name pointer ymasarwa.student.Princeton.EDU
[43200] 148.153.180.140.in-addr.arpa. domain name pointer nlarrea.student.Princeton.EDU
[43200] 149.153.180.140.in-addr.arpa. domain name pointer kannamal.student.Princeton.EDU
[0] 150.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 151.153.180.140.in-addr.arpa. domain name pointer rmehra.student.Princeton.EDU
[43200] 152.153.180.140.in-addr.arpa. domain name pointer kapoole.student.Princeton.EDU
[0] 153.153.180.140.in-addr.arpa.: domain name does not exist
[0] 154.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 155.153.180.140.in-addr.arpa. domain name pointer nlawrenc.student.Princeton.EDU
[0] 156.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 157.153.180.140.in-addr.arpa. domain name pointer karstens.student.Princeton.EDU
[43200] 158.153.180.140.in-addr.arpa. domain name pointer rmnichol.student.Princeton.EDU
[43200] 159.153.180.140.in-addr.arpa. domain name pointer karyoung.student.Princeton.EDU
[0] 160.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 161.153.180.140.in-addr.arpa. domain name pointer rnadadur.student.Princeton.EDU
[43200] 162.153.180.140.in-addr.arpa. domain name pointer kashmiri.student.Princeton.EDU
[43200] 163.153.180.140.in-addr.arpa. domain name pointer nlockwoo.student.Princeton.EDU
[43200] 164.153.180.140.in-addr.arpa. domain name pointer katariya.student.Princeton.EDU
[43200] 165.153.180.140.in-addr.arpa. domain name pointer kbadal.student.Princeton.EDU
[43200] 166.153.180.140.in-addr.arpa. domain name pointer roblake.student.Princeton.EDU
[43200] 167.153.180.140.in-addr.arpa. domain name pointer kbaker.student.Princeton.EDU
[0] 168.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 169.153.180.140.in-addr.arpa. domain name pointer kbarteau.student.Princeton.EDU
[43200] 170.153.180.140.in-addr.arpa. domain name pointer kbennet.student.Princeton.EDU
[0] 171.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 172.153.180.140.in-addr.arpa. domain name pointer psarental02.Princeton.EDU
[43200] 173.153.180.140.in-addr.arpa. domain name pointer mec-cscs-apog21.Princeton.EDU
[43200] 174.153.180.140.in-addr.arpa. domain name pointer kberg.student.Princeton.EDU
[43200] 175.153.180.140.in-addr.arpa. domain name pointer kblazeje.student.Princeton.EDU
[43200] 176.153.180.140.in-addr.arpa. domain name pointer kblewis.student.Princeton.EDU
[0] 177.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 178.153.180.140.in-addr.arpa. domain name pointer romeiser.student.Princeton.EDU
[0] 179.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 180.153.180.140.in-addr.arpa. domain name pointer kbrandwo.student.Princeton.EDU
[43200] 181.153.180.140.in-addr.arpa. domain name pointer kbwelch.student.Princeton.EDU
[43200] 182.153.180.140.in-addr.arpa. domain name pointer khcarone.student.Princeton.EDU
[43200] 183.153.180.140.in-addr.arpa. domain name pointer tbeattie.student.Princeton.EDU
[43200] 184.153.180.140.in-addr.arpa. domain name pointer nlowery.student.Princeton.EDU
[43200] 185.153.180.140.in-addr.arpa. domain name pointer kcford.student.Princeton.EDU
[43200] 186.153.180.140.in-addr.arpa. domain name pointer kcleland.student.Princeton.EDU
[43200] 187.153.180.140.in-addr.arpa. domain name pointer kcox.student.Princeton.EDU
[0] 188.153.180.140.in-addr.arpa.: domain name does not exist
[0] 189.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 190.153.180.140.in-addr.arpa. domain name pointer tculver.student.Princeton.EDU
[43200] 191.153.180.140.in-addr.arpa. domain name pointer kdhingra.student.Princeton.EDU
[43200] 192.153.180.140.in-addr.arpa. domain name pointer kdineen.student.Princeton.EDU
[43200] 193.153.180.140.in-addr.arpa. domain name pointer kdinkins.student.Princeton.EDU
[43200] 194.153.180.140.in-addr.arpa. domain name pointer kdyoung.student.Princeton.EDU
[43200] 195.153.180.140.in-addr.arpa. domain name pointer kefarrel.student.Princeton.EDU
[43200] 196.153.180.140.in-addr.arpa. domain name pointer kejohnst.student.Princeton.EDU
[43200] 197.153.180.140.in-addr.arpa. domain name pointer kewell.student.Princeton.EDU
[43200] 198.153.180.140.in-addr.arpa. domain name pointer kfan.student.Princeton.EDU
[43200] 199.153.180.140.in-addr.arpa. domain name pointer kfenelon.student.Princeton.EDU
[43200] 200.153.180.140.in-addr.arpa. domain name pointer ctsay2.student.Princeton.EDU
[43200] 201.153.180.140.in-addr.arpa. domain name pointer psarental03.Princeton.EDU
[43200] 202.153.180.140.in-addr.arpa. domain name pointer kffallon.student.Princeton.EDU
[43200] 203.153.180.140.in-addr.arpa. domain name pointer kfritsch.student.Princeton.EDU
[43200] 204.153.180.140.in-addr.arpa. domain name pointer kgiarra.student.Princeton.EDU
[43200] 205.153.180.140.in-addr.arpa. domain name pointer kgilman.student.Princeton.EDU
[43200] 206.153.180.140.in-addr.arpa. domain name pointer kgordon.student.Princeton.EDU
[43200] 207.153.180.140.in-addr.arpa. domain name pointer kgrobe.student.Princeton.EDU
[43200] 208.153.180.140.in-addr.arpa. domain name pointer kharknes.student.Princeton.EDU
[43200] 209.153.180.140.in-addr.arpa. domain name pointer kheifets.student.Princeton.EDU
[0] 210.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 211.153.180.140.in-addr.arpa. domain name pointer roneill.student.Princeton.EDU
[43200] 212.153.180.140.in-addr.arpa. domain name pointer khua.student.Princeton.EDU
[43200] 213.153.180.140.in-addr.arpa. domain name pointer kimleew.student.Princeton.EDU
[0] 214.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 215.153.180.140.in-addr.arpa. domain name pointer kjohns.student.Princeton.EDU
[43200] 216.153.180.140.in-addr.arpa. domain name pointer kjschwar.student.Princeton.EDU
[43200] 217.153.180.140.in-addr.arpa. domain name pointer kjsingh.student.Princeton.EDU
[43200] 218.153.180.140.in-addr.arpa. domain name pointer kkarczew.student.Princeton.EDU
[0] 219.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 220.153.180.140.in-addr.arpa. domain name pointer kkhan.student.Princeton.EDU
[0] 221.153.180.140.in-addr.arpa.: domain name does not exist
[0] 222.153.180.140.in-addr.arpa.: domain name does not exist
[0] 223.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 224.153.180.140.in-addr.arpa. domain name pointer kkinnear.student.Princeton.EDU
[43200] 225.153.180.140.in-addr.arpa. domain name pointer kkinzer.student.Princeton.EDU
[43200] 226.153.180.140.in-addr.arpa. domain name pointer kkloster.student.Princeton.EDU
[43200] 227.153.180.140.in-addr.arpa. domain name pointer kkstewar.student.Princeton.EDU
[0] 228.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 229.153.180.140.in-addr.arpa. domain name pointer kleiby.student.Princeton.EDU
[43200] 230.153.180.140.in-addr.arpa. domain name pointer rosaschi.student.Princeton.EDU
[43200] 231.153.180.140.in-addr.arpa. domain name pointer klillie.student.Princeton.EDU
[43200] 232.153.180.140.in-addr.arpa. domain name pointer kllong.student.Princeton.EDU
[43200] 233.153.180.140.in-addr.arpa. domain name pointer kmatula.student.Princeton.EDU
[0] 234.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 235.153.180.140.in-addr.arpa. domain name pointer kmcheng.student.Princeton.EDU
[43200] 236.153.180.140.in-addr.arpa. domain name pointer kmcneely.student.Princeton.EDU
[43200] 237.153.180.140.in-addr.arpa. domain name pointer kmjohnso.student.Princeton.EDU
[43200] 238.153.180.140.in-addr.arpa. domain name pointer kmmccart.student.Princeton.EDU
[43200] 239.153.180.140.in-addr.arpa. domain name pointer kmscott.student.Princeton.EDU
[0] 240.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 241.153.180.140.in-addr.arpa. domain name pointer knblack.student.Princeton.EDU
[43200] 242.153.180.140.in-addr.arpa. domain name pointer knesin.student.Princeton.EDU
[43200] 243.153.180.140.in-addr.arpa. domain name pointer ko.student.Princeton.EDU
[43200] 244.153.180.140.in-addr.arpa. domain name pointer koch.student.Princeton.EDU
[43200] 245.153.180.140.in-addr.arpa. domain name pointer kokigbo.student.Princeton.EDU
[43200] 246.153.180.140.in-addr.arpa. domain name pointer kolive.student.Princeton.EDU
[43200] 247.153.180.140.in-addr.arpa. domain name pointer kolszews.student.Princeton.EDU
[43200] 248.153.180.140.in-addr.arpa. domain name pointer koneal.student.Princeton.EDU
[43200] 249.153.180.140.in-addr.arpa. domain name pointer koneil.student.Princeton.EDU
[43200] 250.153.180.140.in-addr.arpa. domain name pointer kpolimis.student.Princeton.EDU
[0] 251.153.180.140.in-addr.arpa.: domain name does not exist
[43200] 252.153.180.140.in-addr.arpa. domain name pointer kpoole.student.Princeton.EDU
[43200] 253.153.180.140.in-addr.arpa. domain name pointer kravtsov.student.Princeton.EDU
[43200] 254.153.180.140.in-addr.arpa. domain name pointer krenaud.student.Princeton.EDU
[0] 255.153.180.140.in-addr.arpa.: domain name does not exist