[0] 0.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 1.11.189.137.in-addr.arpa. domain name pointer ocd.cuhk.edu.hk
[86400] 2.11.189.137.in-addr.arpa. domain name pointer vmsweb.itsc.cuhk.edu.hk
[86400] 3.11.189.137.in-addr.arpa. domain name pointer eticket01.itsc.cuhk.edu.hk
[0] 4.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 5.11.189.137.in-addr.arpa. domain name pointer emporium.itsc.cuhk.edu.hk
[86400] 6.11.189.137.in-addr.arpa. domain name pointer fms2.itsc.cuhk.edu.hk
[86400] 7.11.189.137.in-addr.arpa. domain name pointer webconf2.itsc.cuhk.edu.hk
[300] 8.11.189.137.in-addr.arpa. domain name pointer servert-itsc.itsc.cuhk.edu.hk
[0] 9.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 10.11.189.137.in-addr.arpa. domain name pointer taxi.itsc.cuhk.edu.hk
[0] 11.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 12.11.189.137.in-addr.arpa. domain name pointer train.itsc.cuhk.edu.hk
[86400] 13.11.189.137.in-addr.arpa. domain name pointer tram.itsc.cuhk.edu.hk
[86400] 14.11.189.137.in-addr.arpa. domain name pointer truck.itsc.cuhk.edu.hk
[300] 15.11.189.137.in-addr.arpa. domain name pointer dpma3.itsc.cuhk.edu.hk
[300] 16.11.189.137.in-addr.arpa. domain name pointer dpma4x.itsc.cuhk.edu.hk
[0] 17.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 18.11.189.137.in-addr.arpa. domain name pointer gala.itsc.cuhk.edu.hk
[86400] 19.11.189.137.in-addr.arpa. domain name pointer wifipartners.itsc.cuhk.edu.hk
[86400] 20.11.189.137.in-addr.arpa. domain name pointer cumassmail.itsc.cuhk.edu.hk
[86400] 21.11.189.137.in-addr.arpa. domain name pointer caster.itsc.cuhk.edu.hk
[86400] 22.11.189.137.in-addr.arpa. domain name pointer cms1.itsc.cuhk.edu.hk
[86400] 23.11.189.137.in-addr.arpa. domain name pointer cms2.itsc.cuhk.edu.hk
[86400] 24.11.189.137.in-addr.arpa. domain name pointer cmsweb7.itsc.cuhk.edu.hk
[86400] 25.11.189.137.in-addr.arpa. domain name pointer cmsweb7uat.itsc.cuhk.edu.hk
[86400] 26.11.189.137.in-addr.arpa. domain name pointer chub1.ipt.cuhk.edu.hk
[86400] 27.11.189.137.in-addr.arpa. domain name pointer chub2.ipt.cuhk.edu.hk
[86400] 28.11.189.137.in-addr.arpa. domain name pointer ccs1.itsc.cuhk.edu.hk
[86400] 29.11.189.137.in-addr.arpa. domain name pointer emporium3.itsc.cuhk.edu.hk
[86400] 30.11.189.137.in-addr.arpa. domain name pointer eva01.itsc.cuhk.edu.hk
[0] 31.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 32.11.189.137.in-addr.arpa. domain name pointer cloud.itsc.cuhk.edu.hk
[86400] 33.11.189.137.in-addr.arpa. domain name pointer ccs3.itsc.cuhk.edu.hk
[86400] 34.11.189.137.in-addr.arpa. domain name pointer ccs4.itsc.cuhk.edu.hk
[86400] 35.11.189.137.in-addr.arpa. domain name pointer ccs5.itsc.cuhk.edu.hk
[86400] 36.11.189.137.in-addr.arpa. domain name pointer ccs6.itsc.cuhk.edu.hk
[86400] 37.11.189.137.in-addr.arpa. domain name pointer ccs7.itsc.cuhk.edu.hk
[86400] 38.11.189.137.in-addr.arpa. domain name pointer ccs8.itsc.cuhk.edu.hk
[86400] 39.11.189.137.in-addr.arpa. domain name pointer ccs9.itsc.cuhk.edu.hk
[86400] 40.11.189.137.in-addr.arpa. domain name pointer caas.cuhk.edu.hk
[86400] 41.11.189.137.in-addr.arpa. domain name pointer cps2.itsc.cuhk.edu.hk
[86400] 42.11.189.137.in-addr.arpa. domain name pointer cwm1.itsc.cuhk.edu.hk
[86400] 43.11.189.137.in-addr.arpa. domain name pointer cwm2.itsc.cuhk.edu.hk
[86400] 44.11.189.137.in-addr.arpa. domain name pointer cwm3.itsc.cuhk.edu.hk
[86400] 45.11.189.137.in-addr.arpa. domain name pointer cwm4.itsc.cuhk.edu.hk
[86400] 46.11.189.137.in-addr.arpa. domain name pointer cmurder.itsc.cuhk.edu.hk
[180] 47.11.189.137.in-addr.arpa. domain name pointer blues.itsc.cuhk.edu.hk
[86400] 48.11.189.137.in-addr.arpa. domain name pointer caliburn.itsc.cuhk.edu.hk
[86400] 49.11.189.137.in-addr.arpa. domain name pointer dom.itsc.cuhk.edu.hk
[0] 50.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 51.11.189.137.in-addr.arpa. domain name pointer bassoon.itsc.cuhk.edu.hk
[86400] 52.11.189.137.in-addr.arpa. domain name pointer clarinet.itsc.cuhk.edu.hk
[86400] 53.11.189.137.in-addr.arpa. domain name pointer cx3spa.itsc.cuhk.edu.hk
[86400] 54.11.189.137.in-addr.arpa. domain name pointer cx3spb.itsc.cuhk.edu.hk
[0] 55.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 56.11.189.137.in-addr.arpa. domain name pointer libra.itsc.cuhk.edu.hk
[0] 57.11.189.137.in-addr.arpa.: domain name does not exist
[0] 58.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 59.11.189.137.in-addr.arpa. domain name pointer opq.itsc.cuhk.edu.hk
[0] 60.11.189.137.in-addr.arpa.: domain name does not exist
[600] 61.11.189.137.in-addr.arpa. domain name pointer wiser.itsc.cuhk.edu.hk
[86400] 62.11.189.137.in-addr.arpa. domain name pointer idp1.itsc.cuhk.edu.hk
[86400] 63.11.189.137.in-addr.arpa. domain name pointer idp2.itsc.cuhk.edu.hk
[86400] 64.11.189.137.in-addr.arpa. domain name pointer ideo1.itsc.cuhk.edu.hk
[300] 65.11.189.137.in-addr.arpa. domain name pointer ideo2.itsc.cuhk.edu.hk
[86400] 66.11.189.137.in-addr.arpa. domain name pointer ras02.itsc.cuhk.edu.hk
[86400] 67.11.189.137.in-addr.arpa. domain name pointer ras01.itsc.cuhk.edu.hk
[86400] 68.11.189.137.in-addr.arpa. domain name pointer video2.itsc.cuhk.edu.hk
[86400] 69.11.189.137.in-addr.arpa. domain name pointer oboe.itsc.cuhk.edu.hk
[86400] 70.11.189.137.in-addr.arpa. domain name pointer flute.itsc.cuhk.edu.hk
[86400] 71.11.189.137.in-addr.arpa. domain name pointer surfing.itsc.cuhk.edu.hk
[86400] 72.11.189.137.in-addr.arpa. domain name pointer sailing.itsc.cuhk.edu.hk
[0] 73.11.189.137.in-addr.arpa.: domain name does not exist
[0] 74.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 75.11.189.137.in-addr.arpa. domain name pointer babybel.itsc.cuhk.edu.hk
[0] 76.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 77.11.189.137.in-addr.arpa. domain name pointer ccs2.itsc.cuhk.edu.hk
[86400] 78.11.189.137.in-addr.arpa. domain name pointer duoportal.itsc.cuhk.edu.hk
[0] 79.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 80.11.189.137.in-addr.arpa. domain name pointer berry.itsc.cuhk.edu.hk
[900] 81.11.189.137.in-addr.arpa. domain name pointer webmail.cuhk.edu.hk
[86400] 82.11.189.137.in-addr.arpa. domain name pointer servicedesk.itsc.cuhk.edu.hk
[86400] 83.11.189.137.in-addr.arpa. domain name pointer paper.itsc.cuhk.edu.hk
[0] 84.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 85.11.189.137.in-addr.arpa. domain name pointer bk-abr.itsc.cuhk.edu.hk
[0] 86.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 87.11.189.137.in-addr.arpa. domain name pointer fbsweb.itsc.cuhk.edu.hk
[86400] 88.11.189.137.in-addr.arpa. domain name pointer jasmine.itsc.cuhk.edu.hk
[86400] 89.11.189.137.in-addr.arpa. domain name pointer mambo.itsc.cuhk.edu.hk
[86400] 90.11.189.137.in-addr.arpa. domain name pointer odin.itsc.cuhk.edu.hk
[86400] 91.11.189.137.in-addr.arpa. domain name pointer cmt1.itsc.cuhk.edu.hk
[86400] 92.11.189.137.in-addr.arpa. domain name pointer cmt2.itsc.cuhk.edu.hk
[86400] 93.11.189.137.in-addr.arpa. domain name pointer photon.itsc.cuhk.edu.hk
[86400] 94.11.189.137.in-addr.arpa. domain name pointer ucms-app02.itsc.cuhk.edu.hk
[86400] 95.11.189.137.in-addr.arpa. domain name pointer app1.itsc.cuhk.edu.hk
[86400] 96.11.189.137.in-addr.arpa. domain name pointer app2.itsc.cuhk.edu.hk
[86400] 97.11.189.137.in-addr.arpa. domain name pointer coconut.itsc.cuhk.edu.hk
[86400] 98.11.189.137.in-addr.arpa. domain name pointer hkhiso.itsc.cuhk.edu.hk
[86400] 99.11.189.137.in-addr.arpa. domain name pointer vacation.itsc.cuhk.edu.hk
[86400] 100.11.189.137.in-addr.arpa. domain name pointer fiesta.itsc.cuhk.edu.hk
[86400] 101.11.189.137.in-addr.arpa. domain name pointer festival.itsc.cuhk.edu.hk
[0] 102.11.189.137.in-addr.arpa.: domain name does not exist
[0] 103.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 104.11.189.137.in-addr.arpa. domain name pointer poppy.itsc.cuhk.edu.hk
[86400] 105.11.189.137.in-addr.arpa. domain name pointer newton.itsc.cuhk.edu.hk
[0] 106.11.189.137.in-addr.arpa.: domain name does not exist
[0] 107.11.189.137.in-addr.arpa.: domain name does not exist
[0] 108.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 109.11.189.137.in-addr.arpa. domain name pointer big3.itsc.cuhk.edu.hk
[86400] 110.11.189.137.in-addr.arpa. domain name pointer big4.itsc.cuhk.edu.hk
[0] 111.11.189.137.in-addr.arpa.: domain name does not exist
[0] 112.11.189.137.in-addr.arpa.: domain name does not exist
[0] 113.11.189.137.in-addr.arpa.: domain name does not exist
[0] 114.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 115.11.189.137.in-addr.arpa. domain name pointer big11.itsc.cuhk.edu.hk
[86400] 116.11.189.137.in-addr.arpa. domain name pointer big12.itsc.cuhk.edu.hk
[0] 117.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 118.11.189.137.in-addr.arpa. domain name pointer asavgw1.eservices.cuhk.edu.hk
[86400] 119.11.189.137.in-addr.arpa. domain name pointer asavgw2.eservices.cuhk.edu.hk
[86400] 120.11.189.137.in-addr.arpa. domain name pointer qs.eservices.cuhk.edu.hk
[0] 121.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 122.11.189.137.in-addr.arpa. domain name pointer cmsweb.itsc.cuhk.edu.hk
[86400] 123.11.189.137.in-addr.arpa. domain name pointer tyr.itsc.cuhk.edu.hk
[86400] 124.11.189.137.in-addr.arpa. domain name pointer bayleaf.itsc.cuhk.edu.hk
[0] 125.11.189.137.in-addr.arpa.: domain name does not exist
[0] 126.11.189.137.in-addr.arpa.: domain name does not exist
[0] 127.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 128.11.189.137.in-addr.arpa. domain name pointer tango.itsc.cuhk.edu.hk
[86400] 129.11.189.137.in-addr.arpa. domain name pointer wifildap.itsc.cuhk.edu.hk
[600] 130.11.189.137.in-addr.arpa. domain name pointer ldapm.itsc.cuhk.edu.hk
[180] 131.11.189.137.in-addr.arpa. domain name pointer webapp.itsc.cuhk.edu.hk
[86400] 132.11.189.137.in-addr.arpa. domain name pointer sunflower.itsc.cuhk.edu.hk
[86400] 133.11.189.137.in-addr.arpa. domain name pointer sunday.itsc.cuhk.edu.hk
[86400] 134.11.189.137.in-addr.arpa. domain name pointer holiday.itsc.cuhk.edu.hk
[86400] 135.11.189.137.in-addr.arpa. domain name pointer daffodil.itsc.cuhk.edu.hk
[86400] 136.11.189.137.in-addr.arpa. domain name pointer asavgw.eservices.cuhk.edu.hk
[0] 137.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 138.11.189.137.in-addr.arpa. domain name pointer cmsshare1.itsc.cuhk.edu.hk
[300] 139.11.189.137.in-addr.arpa. domain name pointer mailserv.cuhk.edu.hk
[86400] 140.11.189.137.in-addr.arpa. domain name pointer sdp.itsc.cuhk.edu.hk
[600] 141.11.189.137.in-addr.arpa. domain name pointer ccdweb1.itsc.cuhk.edu.hk
[86400] 142.11.189.137.in-addr.arpa. domain name pointer cps1.itsc.cuhk.edu.hk
[86400] 143.11.189.137.in-addr.arpa. domain name pointer iptid1.ipt.cuhk.edu.hk
[86400] 144.11.189.137.in-addr.arpa. domain name pointer iptid2.ipt.cuhk.edu.hk
[300] 145.11.189.137.in-addr.arpa. domain name pointer qsold.cuhk.edu.hk
[86400] 146.11.189.137.in-addr.arpa. domain name pointer tomcat.itsc.cuhk.edu.hk
[86400] 147.11.189.137.in-addr.arpa. domain name pointer srwx.per.cuhk.edu.hk
[86400] 148.11.189.137.in-addr.arpa. domain name pointer trombone.itsc.cuhk.edu.hk
[86400] 149.11.189.137.in-addr.arpa. domain name pointer tuba.itsc.cuhk.edu.hk
[86400] 150.11.189.137.in-addr.arpa. domain name pointer wdb.itsc.cuhk.edu.hk
[86400] 151.11.189.137.in-addr.arpa. domain name pointer deptcloud.itsc.cuhk.edu.hk
[0] 152.11.189.137.in-addr.arpa.: domain name does not exist
[0] 153.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 154.11.189.137.in-addr.arpa. domain name pointer ucms-app.itsc.cuhk.edu.hk
[86400] 155.11.189.137.in-addr.arpa. domain name pointer mbx1.ipt.cuhk.edu.hk
[86400] 156.11.189.137.in-addr.arpa. domain name pointer mbx2.ipt.cuhk.edu.hk
[86400] 157.11.189.137.in-addr.arpa. domain name pointer clm-itsm.itsc.cuhk.edu.hk
[86400] 158.11.189.137.in-addr.arpa. domain name pointer clm-ao.itsc.cuhk.edu.hk
[86400] 159.11.189.137.in-addr.arpa. domain name pointer clm-bladelogic.itsc.cuhk.edu.hk
[300] 160.11.189.137.in-addr.arpa. domain name pointer ldap.cuhk.edu.hk
[86400] 161.11.189.137.in-addr.arpa. domain name pointer winmedia3.itsc.cuhk.edu.hk
[86400] 162.11.189.137.in-addr.arpa. domain name pointer it-training.itsc.cuhk.edu.hk
[86400] 163.11.189.137.in-addr.arpa. domain name pointer eas2-app.itsc.cuhk.edu.hk
[86400] 164.11.189.137.in-addr.arpa. domain name pointer cai-org.itsc.cuhk.edu.hk
[300] 165.11.189.137.in-addr.arpa. domain name pointer dpma6.itsc.cuhk.edu.hk
[86400] 166.11.189.137.in-addr.arpa. domain name pointer elearn-logs.itsc.cuhk.edu.hk
[86400] 167.11.189.137.in-addr.arpa. domain name pointer paperfree.ipt.cuhk.edu.hk
[300] 168.11.189.137.in-addr.arpa. domain name pointer qs.cuhk.edu.hk
[86400] 169.11.189.137.in-addr.arpa. domain name pointer arthur.itsc.cuhk.edu.hk
[0] 170.11.189.137.in-addr.arpa.: domain name does not exist
[0] 171.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 172.11.189.137.in-addr.arpa. domain name pointer ewg1.itsc.cuhk.edu.hk
[0] 173.11.189.137.in-addr.arpa.: domain name does not exist
[0] 174.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 175.11.189.137.in-addr.arpa. domain name pointer iris-app1.itsc.cuhk.edu.hk
[86400] 176.11.189.137.in-addr.arpa. domain name pointer diving.itsc.cuhk.edu.hk
[86400] 177.11.189.137.in-addr.arpa. domain name pointer dmz3vm1.itsc.cuhk.edu.hk
[86400] 178.11.189.137.in-addr.arpa. domain name pointer dmz3vm2.itsc.cuhk.edu.hk
[86400] 179.11.189.137.in-addr.arpa. domain name pointer dmz3vs.itsc.cuhk.edu.hk
[600] 180.11.189.137.in-addr.arpa. domain name pointer ntp2.cuhk.edu.hk
[86400] 181.11.189.137.in-addr.arpa. domain name pointer rumba.itsc.cuhk.edu.hk
[0] 182.11.189.137.in-addr.arpa.: domain name does not exist
[0] 183.11.189.137.in-addr.arpa.: domain name does not exist
[0] 184.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 185.11.189.137.in-addr.arpa. domain name pointer meter.itsc.cuhk.edu.hk
[0] 186.11.189.137.in-addr.arpa.: domain name does not exist
[0] 187.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 188.11.189.137.in-addr.arpa. domain name pointer epo01.itsc.cuhk.edu.hk
[86400] 189.11.189.137.in-addr.arpa. domain name pointer epoagent.itsc.cuhk.edu.hk
[0] 190.11.189.137.in-addr.arpa.: domain name does not exist
[0] 191.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 192.11.189.137.in-addr.arpa. domain name pointer exchange.ipt.cuhk.edu.hk
[0] 193.11.189.137.in-addr.arpa.: domain name does not exist
[0] 194.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 195.11.189.137.in-addr.arpa. domain name pointer mbxdag.ipt.cuhk.edu.hk
[0] 196.11.189.137.in-addr.arpa.: domain name does not exist
[0] 197.11.189.137.in-addr.arpa.: domain name does not exist
[0] 198.11.189.137.in-addr.arpa.: domain name does not exist
[0] 199.11.189.137.in-addr.arpa.: domain name does not exist
[0] 200.11.189.137.in-addr.arpa.: domain name does not exist
[0] 201.11.189.137.in-addr.arpa.: domain name does not exist
[0] 202.11.189.137.in-addr.arpa.: domain name does not exist
[0] 203.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 204.11.189.137.in-addr.arpa. domain name pointer pws1.itsc.cuhk.edu.hk
[86400] 205.11.189.137.in-addr.arpa. domain name pointer pws2.itsc.cuhk.edu.hk
[86400] 206.11.189.137.in-addr.arpa. domain name pointer onepass.cuhk.edu.hk
[86400] 207.11.189.137.in-addr.arpa. domain name pointer uws1.itsc.cuhk.edu.hk
[86400] 208.11.189.137.in-addr.arpa. domain name pointer uws2.itsc.cuhk.edu.hk
[86400] 209.11.189.137.in-addr.arpa. domain name pointer usso.itsc.cuhk.edu.hk
[0] 210.11.189.137.in-addr.arpa.: domain name does not exist
[600] 211.11.189.137.in-addr.arpa. domain name pointer edms1.itsc.cuhk.edu.hk
[600] 212.11.189.137.in-addr.arpa. domain name pointer edms2.itsc.cuhk.edu.hk
[0] 213.11.189.137.in-addr.arpa.: domain name does not exist
[0] 214.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 215.11.189.137.in-addr.arpa. domain name pointer edms.cuhk.edu.hk
[86400] 216.11.189.137.in-addr.arpa. domain name pointer arena.itsc.cuhk.edu.hk
[0] 217.11.189.137.in-addr.arpa.: domain name does not exist
[0] 218.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 219.11.189.137.in-addr.arpa. domain name pointer sts.cuhk.edu.hk
[86400] 220.11.189.137.in-addr.arpa. domain name pointer meteruat.itsc.cuhk.edu.hk
[86400] 221.11.189.137.in-addr.arpa. domain name pointer elearn-uat-col.itsc.cuhk.edu.hk
[86400] 222.11.189.137.in-addr.arpa. domain name pointer elearn-uat-fil1.itsc.cuhk.edu.hk
[86400] 223.11.189.137.in-addr.arpa. domain name pointer elearn-uat-fil2.itsc.cuhk.edu.hk
[86400] 224.11.189.137.in-addr.arpa. domain name pointer elearn-uat-fil.itsc.cuhk.edu.hk
[86400] 225.11.189.137.in-addr.arpa. domain name pointer elearn-uat-fs.itsc.cuhk.edu.hk
[86400] 226.11.189.137.in-addr.arpa. domain name pointer elearn-uat-db1.itsc.cuhk.edu.hk
[86400] 227.11.189.137.in-addr.arpa. domain name pointer elearn-uat-db2.itsc.cuhk.edu.hk
[86400] 228.11.189.137.in-addr.arpa. domain name pointer elearn-uat-db.itsc.cuhk.edu.hk
[300] 229.11.189.137.in-addr.arpa. domain name pointer elearn-uatdbsrv.itsc.cuhk.edu.hk
[86400] 230.11.189.137.in-addr.arpa. domain name pointer elearnuat.cuhk.edu.hk
[86400] 231.11.189.137.in-addr.arpa. domain name pointer elearn-uat-app1.itsc.cuhk.edu.hk
[86400] 232.11.189.137.in-addr.arpa. domain name pointer elearn-uat-app2.itsc.cuhk.edu.hk
[86400] 233.11.189.137.in-addr.arpa. domain name pointer elearn-app1.itsc.cuhk.edu.hk
[86400] 234.11.189.137.in-addr.arpa. domain name pointer elearn-app2.itsc.cuhk.edu.hk
[86400] 235.11.189.137.in-addr.arpa. domain name pointer elearn-app3.itsc.cuhk.edu.hk
[86400] 236.11.189.137.in-addr.arpa. domain name pointer elearn-app4.itsc.cuhk.edu.hk
[86400] 237.11.189.137.in-addr.arpa. domain name pointer elearn-app5.itsc.cuhk.edu.hk
[86400] 238.11.189.137.in-addr.arpa. domain name pointer elearn-app6.itsc.cuhk.edu.hk
[86400] 239.11.189.137.in-addr.arpa. domain name pointer elearn-app7.itsc.cuhk.edu.hk
[86400] 240.11.189.137.in-addr.arpa. domain name pointer elearn-app8.itsc.cuhk.edu.hk
[86400] 241.11.189.137.in-addr.arpa. domain name pointer elearn.cuhk.edu.hk
[86400] 242.11.189.137.in-addr.arpa. domain name pointer elearn-db1.itsc.cuhk.edu.hk
[86400] 243.11.189.137.in-addr.arpa. domain name pointer elearn-db2.itsc.cuhk.edu.hk
[0] 244.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 245.11.189.137.in-addr.arpa. domain name pointer elearn-dbsrv.itsc.cuhk.edu.hk
[86400] 246.11.189.137.in-addr.arpa. domain name pointer elearn-fil1.itsc.cuhk.edu.hk
[86400] 247.11.189.137.in-addr.arpa. domain name pointer elearn-fil2.itsc.cuhk.edu.hk
[0] 248.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 249.11.189.137.in-addr.arpa. domain name pointer elearn-fs.itsc.cuhk.edu.hk
[86400] 250.11.189.137.in-addr.arpa. domain name pointer elearn-col.itsc.cuhk.edu.hk
[0] 251.11.189.137.in-addr.arpa.: domain name does not exist
[86400] 252.11.189.137.in-addr.arpa. domain name pointer cp3ai.itsc.cuhk.edu.hk
[86400] 253.11.189.137.in-addr.arpa. domain name pointer cp3bi.itsc.cuhk.edu.hk
[0] 254.11.189.137.in-addr.arpa.: domain name does not exist
[0] 255.11.189.137.in-addr.arpa.: domain name does not exist