[0] 0.231.219.212.in-addr.arpa.: domain name does not exist
[0] 1.231.219.212.in-addr.arpa.: domain name does not exist
[0] 2.231.219.212.in-addr.arpa.: domain name does not exist
[0] 3.231.219.212.in-addr.arpa.: domain name does not exist
[0] 4.231.219.212.in-addr.arpa.: domain name does not exist
[0] 5.231.219.212.in-addr.arpa.: domain name does not exist
[0] 6.231.219.212.in-addr.arpa.: domain name does not exist
[0] 7.231.219.212.in-addr.arpa.: domain name does not exist
[0] 8.231.219.212.in-addr.arpa.: domain name does not exist
[0] 9.231.219.212.in-addr.arpa.: domain name does not exist
[0] 10.231.219.212.in-addr.arpa.: domain name does not exist
[0] 11.231.219.212.in-addr.arpa.: domain name does not exist
[0] 12.231.219.212.in-addr.arpa.: domain name does not exist
[0] 13.231.219.212.in-addr.arpa.: domain name does not exist
[0] 14.231.219.212.in-addr.arpa.: domain name does not exist
[0] 15.231.219.212.in-addr.arpa.: domain name does not exist
[0] 16.231.219.212.in-addr.arpa.: domain name does not exist
[0] 17.231.219.212.in-addr.arpa.: domain name does not exist
[0] 18.231.219.212.in-addr.arpa.: domain name does not exist
[0] 19.231.219.212.in-addr.arpa.: domain name does not exist
[0] 20.231.219.212.in-addr.arpa.: domain name does not exist
[0] 21.231.219.212.in-addr.arpa.: domain name does not exist
[0] 22.231.219.212.in-addr.arpa.: domain name does not exist
[0] 23.231.219.212.in-addr.arpa.: domain name does not exist
[0] 24.231.219.212.in-addr.arpa.: domain name does not exist
[0] 25.231.219.212.in-addr.arpa.: domain name does not exist
[0] 26.231.219.212.in-addr.arpa.: domain name does not exist
[3600] 27.231.219.212.in-addr.arpa. domain name pointer mail.stteilos.com
[0] 28.231.219.212.in-addr.arpa.: domain name does not exist
[0] 29.231.219.212.in-addr.arpa.: domain name does not exist
[0] 30.231.219.212.in-addr.arpa.: domain name does not exist
[0] 31.231.219.212.in-addr.arpa.: domain name does not exist
[0] 32.231.219.212.in-addr.arpa.: domain name does not exist
[0] 33.231.219.212.in-addr.arpa.: domain name does not exist
[0] 34.231.219.212.in-addr.arpa.: domain name does not exist
[0] 35.231.219.212.in-addr.arpa.: domain name does not exist
[0] 36.231.219.212.in-addr.arpa.: domain name does not exist
[0] 37.231.219.212.in-addr.arpa.: domain name does not exist
[0] 38.231.219.212.in-addr.arpa.: domain name does not exist
[0] 39.231.219.212.in-addr.arpa.: domain name does not exist
[0] 40.231.219.212.in-addr.arpa.: domain name does not exist
[0] 41.231.219.212.in-addr.arpa.: domain name does not exist
[0] 42.231.219.212.in-addr.arpa.: domain name does not exist
[0] 43.231.219.212.in-addr.arpa.: domain name does not exist
[0] 44.231.219.212.in-addr.arpa.: domain name does not exist
[0] 45.231.219.212.in-addr.arpa.: domain name does not exist
[0] 46.231.219.212.in-addr.arpa.: domain name does not exist
[0] 47.231.219.212.in-addr.arpa.: domain name does not exist
[0] 48.231.219.212.in-addr.arpa.: domain name does not exist
[0] 49.231.219.212.in-addr.arpa.: domain name does not exist
[0] 50.231.219.212.in-addr.arpa.: domain name does not exist
[0] 51.231.219.212.in-addr.arpa.: domain name does not exist
[0] 52.231.219.212.in-addr.arpa.: domain name does not exist
[0] 53.231.219.212.in-addr.arpa.: domain name does not exist
[0] 54.231.219.212.in-addr.arpa.: domain name does not exist
[0] 55.231.219.212.in-addr.arpa.: domain name does not exist
[3600] 56.231.219.212.in-addr.arpa. domain name pointer mail.woodlandshigh.cardiff.sch.uk
[0] 57.231.219.212.in-addr.arpa.: domain name does not exist
[0] 58.231.219.212.in-addr.arpa.: domain name does not exist
[0] 59.231.219.212.in-addr.arpa.: domain name does not exist
[3600] 60.231.219.212.in-addr.arpa. domain name pointer mail.rhiwbinaprm.cardiff.sch.uk
[3600] 61.231.219.212.in-addr.arpa. domain name pointer mail.rhydypenauprm.cardiff.sch.uk
[3600] 62.231.219.212.in-addr.arpa. domain name pointer mail.roathparkprm.cardiff.sch.uk
[3600] 63.231.219.212.in-addr.arpa. domain name pointer mail.severninf.cardiff.sch.uk
[3600] 64.231.219.212.in-addr.arpa. domain name pointer mail.severnjnr.cardiff.sch.uk
[3600] 65.231.219.212.in-addr.arpa. domain name pointer mail.stalbansprm.cardiff.sch.uk
[3600] 66.231.219.212.in-addr.arpa. domain name pointer mail.stbernadettesprm.cardiff.sch.uk
[3600] 67.231.219.212.in-addr.arpa. domain name pointer mail.stcadocsprm.cardiff.sch.uk
[3600] 68.231.219.212.in-addr.arpa. domain name pointer mail.stcuthbertsprm.cardiff.sch.uk
[3600] 69.231.219.212.in-addr.arpa. domain name pointer mail.stdavidsprm.cardiff.sch.uk
[3600] 70.231.219.212.in-addr.arpa. domain name pointer mail.stfagansprm.cardiff.sch.uk
[3600] 71.231.219.212.in-addr.arpa. domain name pointer mail.stfrancisprm.cardiff.sch.uk
[3600] 72.231.219.212.in-addr.arpa. domain name pointer mail.stjohnlloydprm.cardiff.sch.uk
[3600] 73.231.219.212.in-addr.arpa. domain name pointer mail.stjosephsprm.cardiff.sch.uk
[3600] 74.231.219.212.in-addr.arpa. domain name pointer mail.stmarythevirginprm.cardiff.sch.uk
[3600] 75.231.219.212.in-addr.arpa. domain name pointer mail.stmarysprm.cardiff.sch.uk
[3600] 76.231.219.212.in-addr.arpa. domain name pointer mail.stmellonsprm.cardiff.sch.uk
[3600] 77.231.219.212.in-addr.arpa. domain name pointer mail.stmonicasprm.cardiff.sch.uk
[3600] 78.231.219.212.in-addr.arpa. domain name pointer mail.stpaulsprm.cardiff.sch.uk
[3600] 79.231.219.212.in-addr.arpa. domain name pointer mail.stpetersprm.cardiff.sch.uk
[3600] 80.231.219.212.in-addr.arpa. domain name pointer mail.stphilipevansprm.cardiff.sch.uk
[3600] 81.231.219.212.in-addr.arpa. domain name pointer mail.staceyprm.cardiff.sch.uk
[3600] 82.231.219.212.in-addr.arpa. domain name pointer mail.thornhillprm.cardiff.sch.uk
[3600] 83.231.219.212.in-addr.arpa. domain name pointer mail.tongwynlaisprm.cardiff.sch.uk
[3600] 84.231.219.212.in-addr.arpa. domain name pointer mail.tonyrywenprm.cardiff.sch.uk
[3600] 85.231.219.212.in-addr.arpa. domain name pointer mail.tredegarvilleprm.cardiff.sch.uk
[3600] 86.231.219.212.in-addr.arpa. domain name pointer mail.trelaiprm.cardiff.sch.uk
[3600] 87.231.219.212.in-addr.arpa. domain name pointer mail.viriamujonesprm.cardiff.sch.uk
[3600] 88.231.219.212.in-addr.arpa. domain name pointer mail.willowbrookprm.cardiff.sch.uk
[3600] 89.231.219.212.in-addr.arpa. domain name pointer mail.ysgolpenypil.cardiff.sch.uk
[3600] 90.231.219.212.in-addr.arpa. domain name pointer mail.windsorclivejnr.cardiff.sch.uk
[3600] 91.231.219.212.in-addr.arpa. domain name pointer mail.ysgolbroeirwg.cardiff.sch.uk
[3600] 92.231.219.212.in-addr.arpa. domain name pointer mail.ysgolcoedygof.cardiff.sch.uk
[3600] 93.231.219.212.in-addr.arpa. domain name pointer mail.ysgolmelingruffydd.cardiff.sch.uk
[3600] 94.231.219.212.in-addr.arpa. domain name pointer mail.ysgolpwllcoch.cardiff.sch.uk
[3600] 95.231.219.212.in-addr.arpa. domain name pointer mail.ysgoltreganna.cardiff.sch.uk
[3600] 96.231.219.212.in-addr.arpa. domain name pointer mail.ysgolmynyddbychan.cardiff.sch.uk
[3600] 97.231.219.212.in-addr.arpa. domain name pointer mail.ysgolpencae.cardiff.sch.uk
[3600] 98.231.219.212.in-addr.arpa. domain name pointer mail.ysgolyberllandeg.cardiff.sch.uk
[3600] 99.231.219.212.in-addr.arpa. domain name pointer mail.ysgolywern.cardiff.sch.uk
[3600] 100.231.219.212.in-addr.arpa. domain name pointer mail.adamsdownprm.cardiff.sch.uk
[3600] 101.231.219.212.in-addr.arpa. domain name pointer mail.albanyprm.cardiff.sch.uk
[3600] 102.231.219.212.in-addr.arpa. domain name pointer mail.allsaintsprm.cardiff.sch.uk
[3600] 103.231.219.212.in-addr.arpa. domain name pointer mail.allensbankprm.cardiff.sch.uk
[3600] 104.231.219.212.in-addr.arpa. domain name pointer mail.badenpowellprm.cardiff.sch.uk
[3600] 105.231.219.212.in-addr.arpa. domain name pointer mail.birchgroveprm.cardiff.sch.uk
[3600] 106.231.219.212.in-addr.arpa. domain name pointer mail.bishopschildsprm.cardiff.sch.uk
[3600] 107.231.219.212.in-addr.arpa. domain name pointer mail.bryncelynprm.cardiff.sch.uk
[3600] 108.231.219.212.in-addr.arpa. domain name pointer mail.brynderiprm.cardiff.sch.uk
[3600] 109.231.219.212.in-addr.arpa. domain name pointer mail.brynhafodprm.cardiff.sch.uk
[3600] 110.231.219.212.in-addr.arpa. domain name pointer mail.ysgolglanceubal.cardiff.sch.uk
[3600] 111.231.219.212.in-addr.arpa. domain name pointer mail.cefnonnprm.cardiff.sch.uk
[3600] 112.231.219.212.in-addr.arpa. domain name pointer mail.christthekingprm.cardiff.sch.uk
[3600] 113.231.219.212.in-addr.arpa. domain name pointer mail.coedglasprm.cardiff.sch.uk
[3600] 114.231.219.212.in-addr.arpa. domain name pointer mail.corytonprm.cardiff.sch.uk
[3600] 115.231.219.212.in-addr.arpa. domain name pointer mail.creigiauprm.cardiff.sch.uk
[3600] 116.231.219.212.in-addr.arpa. domain name pointer mail.cwrtyralaprm.cardiff.sch.uk
[3600] 117.231.219.212.in-addr.arpa. domain name pointer mail.eglwysnewyddprm.cardiff.sch.uk
[3600] 118.231.219.212.in-addr.arpa. domain name pointer mail.eglwyswenprm.cardiff.sch.uk
[3600] 119.231.219.212.in-addr.arpa. domain name pointer mail.fairwaterprm.cardiff.sch.uk
[3600] 120.231.219.212.in-addr.arpa. domain name pointer mail.gabalfaprm.cardiff.sch.uk
[3600] 121.231.219.212.in-addr.arpa. domain name pointer mail.gladstoneprm.cardiff.sch.uk
[3600] 122.231.219.212.in-addr.arpa. domain name pointer mail.glanyrafonprm.cardiff.sch.uk
[3600] 123.231.219.212.in-addr.arpa. domain name pointer mail.grangetownprm.cardiff.sch.uk
[3600] 124.231.219.212.in-addr.arpa. domain name pointer mail.greenwayprm.cardiff.sch.uk
[3600] 125.231.219.212.in-addr.arpa. domain name pointer mail.ysgolgwaelodygarth.cardiff.sch.uk
[3600] 126.231.219.212.in-addr.arpa. domain name pointer mail.hawthorninf.cardiff.sch.uk
[3600] 127.231.219.212.in-addr.arpa. domain name pointer mail.herbertthompsonprm.cardiff.sch.uk
[3600] 128.231.219.212.in-addr.arpa. domain name pointer mail.hywelddainf.cardiff.sch.uk
[3600] 129.231.219.212.in-addr.arpa. domain name pointer mail.kitchenerprm.cardiff.sch.uk
[3600] 130.231.219.212.in-addr.arpa. domain name pointer mail.lakesideprm.cardiff.sch.uk
[3600] 131.231.219.212.in-addr.arpa. domain name pointer mail.lansdowneprm.cardiff.sch.uk
[3600] 132.231.219.212.in-addr.arpa. domain name pointer mail.llandaffprm.cardiff.sch.uk
[3600] 133.231.219.212.in-addr.arpa. domain name pointer mail.llanedeyrnprm.cardiff.sch.uk
[3600] 134.231.219.212.in-addr.arpa. domain name pointer mail.llanishenfachprm.cardiff.sch.uk
[3600] 135.231.219.212.in-addr.arpa. domain name pointer mail.llysfaenprm.cardiff.sch.uk
[3600] 136.231.219.212.in-addr.arpa. domain name pointer mail.marlboroughinf.cardiff.sch.uk
[3600] 137.231.219.212.in-addr.arpa. domain name pointer mail.marlboroughjnr.cardiff.sch.uk
[3600] 138.231.219.212.in-addr.arpa. domain name pointer mail.meadowlaneprm.cardiff.sch.uk
[3600] 139.231.219.212.in-addr.arpa. domain name pointer mail.millbankprm.cardiff.sch.uk
[3600] 140.231.219.212.in-addr.arpa. domain name pointer mail.moorlandprm.cardiff.sch.uk
[3600] 141.231.219.212.in-addr.arpa. domain name pointer mail.mountstuart.cardiff.sch.uk
[3600] 142.231.219.212.in-addr.arpa. domain name pointer mail.ninianparkprm.cardiff.sch.uk
[3600] 143.231.219.212.in-addr.arpa. domain name pointer mail.oakfieldprm.cardiff.sch.uk
[3600] 144.231.219.212.in-addr.arpa. domain name pointer mail.pentrebaneprm.cardiff.sch.uk
[3600] 145.231.219.212.in-addr.arpa. domain name pointer mail.pentyrchprm.cardiff.sch.uk
[3600] 146.231.219.212.in-addr.arpa. domain name pointer mail.penybrynprm.cardiff.sch.uk
[3600] 147.231.219.212.in-addr.arpa. domain name pointer mail.peterleaprm.cardiff.sch.uk
[0] 148.231.219.212.in-addr.arpa.: domain name does not exist
[3600] 149.231.219.212.in-addr.arpa. domain name pointer mail.radnorprm.cardiff.sch.uk
[3600] 150.231.219.212.in-addr.arpa. domain name pointer mail.radyrprm.cardiff.sch.uk
[3600] 151.231.219.212.in-addr.arpa. domain name pointer mail.stpatricksprm.cardiff.sch.uk
[3600] 152.231.219.212.in-addr.arpa. domain name pointer mail.holyfamilyprm.cardiff.sch.uk
[0] 153.231.219.212.in-addr.arpa.: domain name does not exist
[3600] 154.231.219.212.in-addr.arpa. domain name pointer mail.ysgolnantcaerau.cardiff.sch.uk
[3600] 155.231.219.212.in-addr.arpa. domain name pointer mail.danescourtinf.cardiff.sch.uk
[3600] 156.231.219.212.in-addr.arpa. domain name pointer mail.danescourtjnr.cardiff.sch.uk
[3600] 157.231.219.212.in-addr.arpa. domain name pointer mail.glyncoedinf.cardiff.sch.uk
[3600] 158.231.219.212.in-addr.arpa. domain name pointer mail.glyncoedjnr.cardiff.sch.uk
[3600] 159.231.219.212.in-addr.arpa. domain name pointer mail.grangetownnur.cardiff.sch.uk
[3600] 160.231.219.212.in-addr.arpa. domain name pointer mail.greenhillsp.cardiff.sch.uk
[3600] 161.231.219.212.in-addr.arpa. domain name pointer mail.hawthornjnr.cardiff.sch.uk
[0] 162.231.219.212.in-addr.arpa.: domain name does not exist
[3600] 163.231.219.212.in-addr.arpa. domain name pointer mail.hywelddajnr.cardiff.sch.uk
[3600] 164.231.219.212.in-addr.arpa. domain name pointer mail.meadowbanksp.cardiff.sch.uk
[3600] 165.231.219.212.in-addr.arpa. domain name pointer mail.moorlandnur.cardiff.sch.uk
[3600] 166.231.219.212.in-addr.arpa. domain name pointer mail.glanyrafonnur.cardiff.sch.uk
[3600] 167.231.219.212.in-addr.arpa. domain name pointer mail.riverbanksp.cardiff.sch.uk
[3600] 168.231.219.212.in-addr.arpa. domain name pointer mail.rumneyinf.cardiff.sch.uk
[3600] 169.231.219.212.in-addr.arpa. domain name pointer mail.rumneyjnr.cardiff.sch.uk
[3600] 170.231.219.212.in-addr.arpa. domain name pointer mail.springwoodprm.cardiff.sch.uk
[3600] 171.231.219.212.in-addr.arpa. domain name pointer mail.stannescwprm.cardiff.sch.uk
[3600] 172.231.219.212.in-addr.arpa. domain name pointer mail.thecourtsp.cardiff.sch.uk
[3600] 173.231.219.212.in-addr.arpa. domain name pointer mail.theholliessp.cardiff.sch.uk
[3600] 174.231.219.212.in-addr.arpa. domain name pointer mail.tremorfanur.cardiff.sch.uk
[3600] 175.231.219.212.in-addr.arpa. domain name pointer mail.trowbridgejnr.cardiff.sch.uk
[3600] 176.231.219.212.in-addr.arpa. domain name pointer mail.trowbridgeinf.cardiff.sch.uk
[3600] 177.231.219.212.in-addr.arpa. domain name pointer mail.tygwynsp.cardiff.sch.uk
[3600] 178.231.219.212.in-addr.arpa. domain name pointer mail.eccc.cardiff.sch.uk
[0] 179.231.219.212.in-addr.arpa.: domain name does not exist
[0] 180.231.219.212.in-addr.arpa.: domain name does not exist
[0] 181.231.219.212.in-addr.arpa.: domain name does not exist
[0] 182.231.219.212.in-addr.arpa.: domain name does not exist
[0] 183.231.219.212.in-addr.arpa.: domain name does not exist
[0] 184.231.219.212.in-addr.arpa.: domain name does not exist
[0] 185.231.219.212.in-addr.arpa.: domain name does not exist
[0] 186.231.219.212.in-addr.arpa.: domain name does not exist
[0] 187.231.219.212.in-addr.arpa.: domain name does not exist
[0] 188.231.219.212.in-addr.arpa.: domain name does not exist
[0] 189.231.219.212.in-addr.arpa.: domain name does not exist
[0] 190.231.219.212.in-addr.arpa.: domain name does not exist
[3600] 191.231.219.212.in-addr.arpa. domain name pointer webmail.radyr.net
[0] 192.231.219.212.in-addr.arpa.: domain name does not exist
[0] 193.231.219.212.in-addr.arpa.: domain name does not exist
[0] 194.231.219.212.in-addr.arpa.: domain name does not exist
[0] 195.231.219.212.in-addr.arpa.: domain name does not exist
[0] 196.231.219.212.in-addr.arpa.: domain name does not exist
[0] 197.231.219.212.in-addr.arpa.: domain name does not exist
[0] 198.231.219.212.in-addr.arpa.: domain name does not exist
[0] 199.231.219.212.in-addr.arpa.: domain name does not exist
[0] 200.231.219.212.in-addr.arpa.: domain name does not exist
[0] 201.231.219.212.in-addr.arpa.: domain name does not exist
[0] 202.231.219.212.in-addr.arpa.: domain name does not exist
[0] 203.231.219.212.in-addr.arpa.: domain name does not exist
[0] 204.231.219.212.in-addr.arpa.: domain name does not exist
[0] 205.231.219.212.in-addr.arpa.: domain name does not exist
[0] 206.231.219.212.in-addr.arpa.: domain name does not exist
[0] 207.231.219.212.in-addr.arpa.: domain name does not exist
[0] 208.231.219.212.in-addr.arpa.: domain name does not exist
[0] 209.231.219.212.in-addr.arpa.: domain name does not exist
[0] 210.231.219.212.in-addr.arpa.: domain name does not exist
[0] 211.231.219.212.in-addr.arpa.: domain name does not exist
[0] 212.231.219.212.in-addr.arpa.: domain name does not exist
[0] 213.231.219.212.in-addr.arpa.: domain name does not exist
[0] 214.231.219.212.in-addr.arpa.: domain name does not exist
[0] 215.231.219.212.in-addr.arpa.: domain name does not exist
[0] 216.231.219.212.in-addr.arpa.: domain name does not exist
[0] 217.231.219.212.in-addr.arpa.: domain name does not exist
[0] 218.231.219.212.in-addr.arpa.: domain name does not exist
[0] 219.231.219.212.in-addr.arpa.: domain name does not exist
[3600] 220.231.219.212.in-addr.arpa. domain name pointer mail.cantonian.cardiff.sch.uk
[3600] 221.231.219.212.in-addr.arpa. domain name pointer mail.cardiffhigh.cardiff.sch.uk
[3600] 222.231.219.212.in-addr.arpa. domain name pointer mail.cathays.cardiff.sch.uk
[3600] 223.231.219.212.in-addr.arpa. domain name pointer mail.fitzalan.cardiff.sch.uk
[3600] 224.231.219.212.in-addr.arpa. domain name pointer mail.michaelstoncollege.cardiff.sch.uk
[3600] 225.231.219.212.in-addr.arpa. domain name pointer mail.glynderw.cardiff.sch.uk
[3600] 226.231.219.212.in-addr.arpa. domain name pointer mail.llanedeyrn.cardiff.sch.uk
[3600] 227.231.219.212.in-addr.arpa. domain name pointer mail.llanishen.cardiff.sch.uk
[3600] 228.231.219.212.in-addr.arpa. domain name pointer mail.llanrumney.cardiff.sch.uk
[3600] 229.231.219.212.in-addr.arpa. domain name pointer mail.radyr.cardiff.sch.uk
[3600] 230.231.219.212.in-addr.arpa. domain name pointer mail.rumney.cardiff.sch.uk
[3600] 231.231.219.212.in-addr.arpa. domain name pointer mail.willows.cardiff.sch.uk
[3600] 232.231.219.212.in-addr.arpa. domain name pointer mail.bishopofllandaff.cardiff.sch.uk
[3600] 233.231.219.212.in-addr.arpa. domain name pointer mail.stteilos.cardiff.sch.uk
[3600] 234.231.219.212.in-addr.arpa. domain name pointer mail.maryimmaculate.cardiff.sch.uk
[3600] 235.231.219.212.in-addr.arpa. domain name pointer mail.stilltyds.cardiff.sch.uk
[0] 236.231.219.212.in-addr.arpa.: domain name does not exist
[0] 237.231.219.212.in-addr.arpa.: domain name does not exist
[0] 238.231.219.212.in-addr.arpa.: domain name does not exist
[0] 239.231.219.212.in-addr.arpa.: domain name does not exist
[0] 240.231.219.212.in-addr.arpa.: domain name does not exist
[3600] 241.231.219.212.in-addr.arpa. domain name pointer mail.whitchurch.cardiff.sch.uk
[0] 242.231.219.212.in-addr.arpa.: domain name does not exist
[3600] 243.231.219.212.in-addr.arpa. domain name pointer mail.glantaf.cardiff.sch.uk
[0] 244.231.219.212.in-addr.arpa.: domain name does not exist
[3600] 245.231.219.212.in-addr.arpa. domain name pointer mail.plasmawr.cardiff.sch.uk
[0] 246.231.219.212.in-addr.arpa.: domain name does not exist
[3600] 247.231.219.212.in-addr.arpa. domain name pointer mail.corpuschristi.cardiff.sch.uk
[0] 248.231.219.212.in-addr.arpa.: domain name does not exist
[0] 249.231.219.212.in-addr.arpa.: domain name does not exist
[0] 250.231.219.212.in-addr.arpa.: domain name does not exist
[0] 251.231.219.212.in-addr.arpa.: domain name does not exist
[0] 252.231.219.212.in-addr.arpa.: domain name does not exist
[0] 253.231.219.212.in-addr.arpa.: domain name does not exist
[0] 254.231.219.212.in-addr.arpa.: domain name does not exist
[0] 255.231.219.212.in-addr.arpa.: domain name does not exist