[0] 0.152.189.137.in-addr.arpa.: domain name does not exist
[86400] 1.152.189.137.in-addr.arpa. domain name pointer horizon.arch.cuhk.edu.hk
[86400] 2.152.189.137.in-addr.arpa. domain name pointer era.arch.cuhk.edu.hk
[86400] 3.152.189.137.in-addr.arpa. domain name pointer mystic.arch.cuhk.edu.hk
[86400] 4.152.189.137.in-addr.arpa. domain name pointer ibm2.arch.cuhk.edu.hk
[86400] 5.152.189.137.in-addr.arpa. domain name pointer lin09.arch.cuhk.edu.hk
[86400] 6.152.189.137.in-addr.arpa. domain name pointer ris.arch.cuhk.edu.hk
[86400] 7.152.189.137.in-addr.arpa. domain name pointer web3.arch.cuhk.edu.hk
[86400] 8.152.189.137.in-addr.arpa. domain name pointer web4.arch.cuhk.edu.hk
[86400] 9.152.189.137.in-addr.arpa. domain name pointer lin11.arch.cuhk.edu.hk
[0] 10.152.189.137.in-addr.arpa.: domain name does not exist
[0] 11.152.189.137.in-addr.arpa.: domain name does not exist
[0] 12.152.189.137.in-addr.arpa.: domain name does not exist
[86400] 13.152.189.137.in-addr.arpa. domain name pointer web1.arch.cuhk.edu.hk
[86400] 14.152.189.137.in-addr.arpa. domain name pointer web2.arch.cuhk.edu.hk
[86400] 15.152.189.137.in-addr.arpa. domain name pointer 2ksvrcl1.arch.cuhk.edu.hk
[86400] 16.152.189.137.in-addr.arpa. domain name pointer 2ksvrcl2.arch.cuhk.edu.hk
[0] 17.152.189.137.in-addr.arpa.: domain name does not exist
[86400] 18.152.189.137.in-addr.arpa. domain name pointer 2k3svrcl3.arch.cuhk.edu.hk
[0] 19.152.189.137.in-addr.arpa.: domain name does not exist
[0] 20.152.189.137.in-addr.arpa.: domain name does not exist
[0] 21.152.189.137.in-addr.arpa.: domain name does not exist
[0] 22.152.189.137.in-addr.arpa.: domain name does not exist
[0] 23.152.189.137.in-addr.arpa.: domain name does not exist
[0] 24.152.189.137.in-addr.arpa.: domain name does not exist
[0] 25.152.189.137.in-addr.arpa.: domain name does not exist
[0] 26.152.189.137.in-addr.arpa.: domain name does not exist
[86400] 27.152.189.137.in-addr.arpa. domain name pointer abel.arch.cuhk.edu.hk
[86400] 28.152.189.137.in-addr.arpa. domain name pointer cain.arch.cuhk.edu.hk
[86400] 29.152.189.137.in-addr.arpa. domain name pointer mark.arch.cuhk.edu.hk
[86400] 30.152.189.137.in-addr.arpa. domain name pointer ken.arch.cuhk.edu.hk
[86400] 31.152.189.137.in-addr.arpa. domain name pointer servera.arch.cuhk.edu.hk
[86400] 32.152.189.137.in-addr.arpa. domain name pointer serverb.arch.cuhk.edu.hk
[86400] 33.152.189.137.in-addr.arpa. domain name pointer serverc.arch.cuhk.edu.hk
[86400] 34.152.189.137.in-addr.arpa. domain name pointer serverd.arch.cuhk.edu.hk
[0] 35.152.189.137.in-addr.arpa.: domain name does not exist
[0] 36.152.189.137.in-addr.arpa.: domain name does not exist
[0] 37.152.189.137.in-addr.arpa.: domain name does not exist
[0] 38.152.189.137.in-addr.arpa.: domain name does not exist
[0] 39.152.189.137.in-addr.arpa.: domain name does not exist
[0] 40.152.189.137.in-addr.arpa.: domain name does not exist
[86400] 41.152.189.137.in-addr.arpa. domain name pointer vsla.arch.cuhk.edu.hk
[86400] 42.152.189.137.in-addr.arpa. domain name pointer vslb.arch.cuhk.edu.hk
[86400] 43.152.189.137.in-addr.arpa. domain name pointer vslc.arch.cuhk.edu.hk
[86400] 44.152.189.137.in-addr.arpa. domain name pointer vsld.arch.cuhk.edu.hk
[86400] 45.152.189.137.in-addr.arpa. domain name pointer vsle.arch.cuhk.edu.hk
[0] 46.152.189.137.in-addr.arpa.: domain name does not exist
[0] 47.152.189.137.in-addr.arpa.: domain name does not exist
[0] 48.152.189.137.in-addr.arpa.: domain name does not exist
[0] 49.152.189.137.in-addr.arpa.: domain name does not exist
[0] 50.152.189.137.in-addr.arpa.: domain name does not exist
[86400] 51.152.189.137.in-addr.arpa. domain name pointer ivan.arch.cuhk.edu.hk
[86400] 52.152.189.137.in-addr.arpa. domain name pointer visitormac.arch.cuhk.edu.hk
[86400] 53.152.189.137.in-addr.arpa. domain name pointer leo.arch.cuhk.edu.hk
[86400] 54.152.189.137.in-addr.arpa. domain name pointer okuda.arch.cuhk.edu.hk
[86400] 55.152.189.137.in-addr.arpa. domain name pointer yyliu.arch.cuhk.edu.hk
[86400] 56.152.189.137.in-addr.arpa. domain name pointer vicky.arch.cuhk.edu.hk
[86400] 57.152.189.137.in-addr.arpa. domain name pointer carmen.arch.cuhk.edu.hk
[86400] 58.152.189.137.in-addr.arpa. domain name pointer jie.arch.cuhk.edu.hk
[86400] 59.152.189.137.in-addr.arpa. domain name pointer john.arch.cuhk.edu.hk
[86400] 60.152.189.137.in-addr.arpa. domain name pointer jin.arch.cuhk.edu.hk
[86400] 61.152.189.137.in-addr.arpa. domain name pointer ching.arch.cuhk.edu.hk
[86400] 62.152.189.137.in-addr.arpa. domain name pointer winnie.arch.cuhk.edu.hk
[86400] 63.152.189.137.in-addr.arpa. domain name pointer wendy.arch.cuhk.edu.hk
[86400] 64.152.189.137.in-addr.arpa. domain name pointer puaypeng.arch.cuhk.edu.hk
[86400] 65.152.189.137.in-addr.arpa. domain name pointer gu.arch.cuhk.edu.hk
[86400] 66.152.189.137.in-addr.arpa. domain name pointer andrew.arch.cuhk.edu.hk
[86400] 67.152.189.137.in-addr.arpa. domain name pointer surf.arch.cuhk.edu.hk
[86400] 68.152.189.137.in-addr.arpa. domain name pointer emma.arch.cuhk.edu.hk
[86400] 69.152.189.137.in-addr.arpa. domain name pointer hollain.arch.cuhk.edu.hk
[86400] 70.152.189.137.in-addr.arpa. domain name pointer rex.arch.cuhk.edu.hk
[86400] 71.152.189.137.in-addr.arpa. domain name pointer yucai.arch.cuhk.edu.hk
[86400] 72.152.189.137.in-addr.arpa. domain name pointer frank.arch.cuhk.edu.hk
[86400] 73.152.189.137.in-addr.arpa. domain name pointer edwardng.arch.cuhk.edu.hk
[86400] 74.152.189.137.in-addr.arpa. domain name pointer webmac.arch.cuhk.edu.hk
[86400] 75.152.189.137.in-addr.arpa. domain name pointer liudan.arch.cuhk.edu.hk
[86400] 76.152.189.137.in-addr.arpa. domain name pointer yang.arch.cuhk.edu.hk
[86400] 77.152.189.137.in-addr.arpa. domain name pointer brenda.arch.cuhk.edu.hk
[86400] 78.152.189.137.in-addr.arpa. domain name pointer visitor.arch.cuhk.edu.hk
[86400] 79.152.189.137.in-addr.arpa. domain name pointer andy.arch.cuhk.edu.hk
[86400] 80.152.189.137.in-addr.arpa. domain name pointer tim.arch.cuhk.edu.hk
[86400] 81.152.189.137.in-addr.arpa. domain name pointer kai2.arch.cuhk.edu.hk
[86400] 82.152.189.137.in-addr.arpa. domain name pointer wallace.arch.cuhk.edu.hk
[86400] 83.152.189.137.in-addr.arpa. domain name pointer liang.arch.cuhk.edu.hk
[86400] 84.152.189.137.in-addr.arpa. domain name pointer jeff.arch.cuhk.edu.hk
[86400] 85.152.189.137.in-addr.arpa. domain name pointer leng.arch.cuhk.edu.hk
[86400] 86.152.189.137.in-addr.arpa. domain name pointer kai.arch.cuhk.edu.hk
[86400] 87.152.189.137.in-addr.arpa. domain name pointer jacqueline.arch.cuhk.edu.hk
[86400] 88.152.189.137.in-addr.arpa. domain name pointer essy.arch.cuhk.edu.hk
[86400] 89.152.189.137.in-addr.arpa. domain name pointer vito.arch.cuhk.edu.hk
[86400] 90.152.189.137.in-addr.arpa. domain name pointer bernard.arch.cuhk.edu.hk
[86400] 91.152.189.137.in-addr.arpa. domain name pointer tc.arch.cuhk.edu.hk
[86400] 92.152.189.137.in-addr.arpa. domain name pointer ericxp.arch.cuhk.edu.hk
[86400] 93.152.189.137.in-addr.arpa. domain name pointer mujun.arch.cuhk.edu.hk
[86400] 94.152.189.137.in-addr.arpa. domain name pointer shirley.arch.cuhk.edu.hk
[86400] 95.152.189.137.in-addr.arpa. domain name pointer ks.arch.cuhk.edu.hk
[86400] 96.152.189.137.in-addr.arpa. domain name pointer kkkwok.arch.cuhk.edu.hk
[86400] 97.152.189.137.in-addr.arpa. domain name pointer essy2.arch.cuhk.edu.hk
[86400] 98.152.189.137.in-addr.arpa. domain name pointer david.arch.cuhk.edu.hk
[86400] 99.152.189.137.in-addr.arpa. domain name pointer benny.arch.cuhk.edu.hk
[86400] 100.152.189.137.in-addr.arpa. domain name pointer ra1.arch.cuhk.edu.hk
[86400] 101.152.189.137.in-addr.arpa. domain name pointer ra2.arch.cuhk.edu.hk
[86400] 102.152.189.137.in-addr.arpa. domain name pointer ra3.arch.cuhk.edu.hk
[86400] 103.152.189.137.in-addr.arpa. domain name pointer max.arch.cuhk.edu.hk
[86400] 104.152.189.137.in-addr.arpa. domain name pointer cahu.arch.cuhk.edu.hk
[86400] 105.152.189.137.in-addr.arpa. domain name pointer zhu.arch.cuhk.edu.hk
[86400] 106.152.189.137.in-addr.arpa. domain name pointer tsou.arch.cuhk.edu.hk
[86400] 107.152.189.137.in-addr.arpa. domain name pointer ronan.arch.cuhk.edu.hk
[86400] 108.152.189.137.in-addr.arpa. domain name pointer david2k.arch.cuhk.edu.hk
[86400] 109.152.189.137.in-addr.arpa. domain name pointer dh.arch.cuhk.edu.hk
[86400] 110.152.189.137.in-addr.arpa. domain name pointer jin2.arch.cuhk.edu.hk
[86400] 111.152.189.137.in-addr.arpa. domain name pointer kelly.arch.cuhk.edu.hk
[86400] 112.152.189.137.in-addr.arpa. domain name pointer fu.arch.cuhk.edu.hk
[86400] 113.152.189.137.in-addr.arpa. domain name pointer edwardng2.arch.cuhk.edu.hk
[86400] 114.152.189.137.in-addr.arpa. domain name pointer cardreader.arch.cuhk.edu.hk
[86400] 115.152.189.137.in-addr.arpa. domain name pointer edwardng3.arch.cuhk.edu.hk
[86400] 116.152.189.137.in-addr.arpa. domain name pointer maggie.arch.cuhk.edu.hk
[86400] 117.152.189.137.in-addr.arpa. domain name pointer heidi.arch.cuhk.edu.hk
[86400] 118.152.189.137.in-addr.arpa. domain name pointer zongyugis.arch.cuhk.edu.hk
[86400] 119.152.189.137.in-addr.arpa. domain name pointer rexxp.parch.cuhk.edu.hk
[86400] 120.152.189.137.in-addr.arpa. domain name pointer eymen.arch.cuhk.edu.hk
[86400] 121.152.189.137.in-addr.arpa. domain name pointer annabel.arch.cuhk.edu.hk
[86400] 122.152.189.137.in-addr.arpa. domain name pointer ann.arch.cuhk.edu.hk
[86400] 123.152.189.137.in-addr.arpa. domain name pointer ester.arch.cuhk.edu.hk
[86400] 124.152.189.137.in-addr.arpa. domain name pointer selinalam.arch.cuhk.edu.hk
[86400] 125.152.189.137.in-addr.arpa. domain name pointer copier.arch.cuhk.edu.hk
[86400] 126.152.189.137.in-addr.arpa. domain name pointer xiabing.arch.cuhk.edu.hk
[86400] 127.152.189.137.in-addr.arpa. domain name pointer xiang.arch.cuhk.edu.hk
[86400] 128.152.189.137.in-addr.arpa. domain name pointer puaypeng2.arch.cuhk.edu.hk
[86400] 129.152.189.137.in-addr.arpa. domain name pointer helena.arch.cuhk.edu.hk
[86400] 130.152.189.137.in-addr.arpa. domain name pointer nelson.arch.cuhk.edu.hk
[86400] 131.152.189.137.in-addr.arpa. domain name pointer lsq.arch.cuhk.edu.hk
[86400] 132.152.189.137.in-addr.arpa. domain name pointer william.arch.cuhk.edu.hk
[86400] 133.152.189.137.in-addr.arpa. domain name pointer gemma.arch.cuhk.edu.hk
[86400] 134.152.189.137.in-addr.arpa. domain name pointer jac.arch.cuhk.edu.hk
[86400] 135.152.189.137.in-addr.arpa. domain name pointer sita.arch.cuhk.edu.hk
[0] 136.152.189.137.in-addr.arpa.: domain name does not exist
[0] 137.152.189.137.in-addr.arpa.: domain name does not exist
[0] 138.152.189.137.in-addr.arpa.: domain name does not exist
[0] 139.152.189.137.in-addr.arpa.: domain name does not exist
[0] 140.152.189.137.in-addr.arpa.: domain name does not exist
[0] 141.152.189.137.in-addr.arpa.: domain name does not exist
[0] 142.152.189.137.in-addr.arpa.: domain name does not exist
[0] 143.152.189.137.in-addr.arpa.: domain name does not exist
[0] 144.152.189.137.in-addr.arpa.: domain name does not exist
[0] 145.152.189.137.in-addr.arpa.: domain name does not exist
[0] 146.152.189.137.in-addr.arpa.: domain name does not exist
[0] 147.152.189.137.in-addr.arpa.: domain name does not exist
[0] 148.152.189.137.in-addr.arpa.: domain name does not exist
[0] 149.152.189.137.in-addr.arpa.: domain name does not exist
[0] 150.152.189.137.in-addr.arpa.: domain name does not exist
[86400] 151.152.189.137.in-addr.arpa. domain name pointer cldvrs1.arch.cuhk.edu.hk
[86400] 152.152.189.137.in-addr.arpa. domain name pointer cldvrs2.arch.cuhk.edu.hk
[86400] 153.152.189.137.in-addr.arpa. domain name pointer cldvrs3.arch.cuhk.edu.hk
[86400] 154.152.189.137.in-addr.arpa. domain name pointer cldvrp1.arch.cuhk.edu.hk
[86400] 155.152.189.137.in-addr.arpa. domain name pointer vsdvrs1.arch.cuhk.edu.hk
[86400] 156.152.189.137.in-addr.arpa. domain name pointer vsdvrp1.arch.cuhk.edu.hk
[86400] 157.152.189.137.in-addr.arpa. domain name pointer dtdvrs1.arch.cuhk.edu.hk
[86400] 158.152.189.137.in-addr.arpa. domain name pointer dtdvrs2.arch.cuhk.edu.hk
[86400] 159.152.189.137.in-addr.arpa. domain name pointer dtdvrs3.arch.cuhk.edu.hk
[86400] 160.152.189.137.in-addr.arpa. domain name pointer dtdvrp1.arch.cuhk.edu.hk
[86400] 161.152.189.137.in-addr.arpa. domain name pointer wsdvrs1.arch.cuhk.edu.hk
[86400] 162.152.189.137.in-addr.arpa. domain name pointer wsdvrs2.arch.cuhk.edu.hk
[86400] 163.152.189.137.in-addr.arpa. domain name pointer wsdvrp1.arch.cuhk.edu.hk
[86400] 164.152.189.137.in-addr.arpa. domain name pointer stdvrs1.arch.cuhk.edu.hk
[86400] 165.152.189.137.in-addr.arpa. domain name pointer stdvrs2.arch.cuhk.edu.hk
[86400] 166.152.189.137.in-addr.arpa. domain name pointer stdvrp1.arch.cuhk.edu.hk
[86400] 167.152.189.137.in-addr.arpa. domain name pointer 5cdvrs3.arch.cuhk.edu.hk
[86400] 168.152.189.137.in-addr.arpa. domain name pointer 6cdvrs4.arch.cuhk.edu.hk
[0] 169.152.189.137.in-addr.arpa.: domain name does not exist
[0] 170.152.189.137.in-addr.arpa.: domain name does not exist
[86400] 171.152.189.137.in-addr.arpa. domain name pointer test1.arch.cuhk.edu.hk
[86400] 172.152.189.137.in-addr.arpa. domain name pointer test2.arch.cuhk.edu.hk
[86400] 173.152.189.137.in-addr.arpa. domain name pointer arxpcl1ms.arch.cuhk.edu.hk
[86400] 174.152.189.137.in-addr.arpa. domain name pointer test4.arch.cuhk.edu.hk
[86400] 175.152.189.137.in-addr.arpa. domain name pointer test5.arch.cuhk.edu.hk
[86400] 176.152.189.137.in-addr.arpa. domain name pointer ra1tm01.arch.cuhk.edu.hk
[86400] 177.152.189.137.in-addr.arpa. domain name pointer ra1tm02.arch.cuhk.edu.hk
[86400] 178.152.189.137.in-addr.arpa. domain name pointer ra2tm01.arch.cuhk.edu.hk
[86400] 179.152.189.137.in-addr.arpa. domain name pointer ra2tm02.arch.cuhk.edu.hk
[86400] 180.152.189.137.in-addr.arpa. domain name pointer hp1320a.arch.cuhk.edu.hk
[86400] 181.152.189.137.in-addr.arpa. domain name pointer hp1320b.arch.cuhk.edu.hk
[86400] 182.152.189.137.in-addr.arpa. domain name pointer hp5si.arch.cuhk.edu.hk
[86400] 183.152.189.137.in-addr.arpa. domain name pointer hp5mp.arch.cuhk.edu.hk
[86400] 184.152.189.137.in-addr.arpa. domain name pointer hp4550c.arch.cuhk.edu.hk
[86400] 185.152.189.137.in-addr.arpa. domain name pointer hp8150n.arch.cuhk.edu.hk
[86400] 186.152.189.137.in-addr.arpa. domain name pointer hp8150n2.arch.cuhk.edu.hk
[86400] 187.152.189.137.in-addr.arpa. domain name pointer hp8000.arch.cuhk.edu.hk
[86400] 188.152.189.137.in-addr.arpa. domain name pointer hp8100.arch.cuhk.edu.hk
[86400] 189.152.189.137.in-addr.arpa. domain name pointer hp5000.arch.cuhk.edu.hk
[86400] 190.152.189.137.in-addr.arpa. domain name pointer hp5000ltr.arch.cuhk.edu.hk
[86400] 191.152.189.137.in-addr.arpa. domain name pointer hp8550ps.arch.cuhk.edu.hk
[86400] 192.152.189.137.in-addr.arpa. domain name pointer hp5500dn.arch.cuhk.edu.hk
[86400] 193.152.189.137.in-addr.arpa. domain name pointer hp1300n.arch.cuhk.edu.hk
[86400] 194.152.189.137.in-addr.arpa. domain name pointer hp5100.arch.cuhk.edu.hk
[86400] 195.152.189.137.in-addr.arpa. domain name pointer hp5100ltr.arch.cuhk.edu.hk
[86400] 196.152.189.137.in-addr.arpa. domain name pointer hp5550dn.arch.cuhk.edu.hk
[86400] 197.152.189.137.in-addr.arpa. domain name pointer hp2100.arch.cuhk.edu.hk
[0] 198.152.189.137.in-addr.arpa.: domain name does not exist
[0] 199.152.189.137.in-addr.arpa.: domain name does not exist
[0] 200.152.189.137.in-addr.arpa.: domain name does not exist
[86400] 201.152.189.137.in-addr.arpa. domain name pointer wlan.arch.cuhk.edu.hk
[0] 202.152.189.137.in-addr.arpa.: domain name does not exist
[0] 203.152.189.137.in-addr.arpa.: domain name does not exist
[0] 204.152.189.137.in-addr.arpa.: domain name does not exist
[0] 205.152.189.137.in-addr.arpa.: domain name does not exist
[86400] 206.152.189.137.in-addr.arpa. domain name pointer fw.arch.cuhk.edu.hk
[86400] 207.152.189.137.in-addr.arpa. domain name pointer fw2.arch.cuhk.edu.hk
[0] 208.152.189.137.in-addr.arpa.: domain name does not exist
[0] 209.152.189.137.in-addr.arpa.: domain name does not exist
[0] 210.152.189.137.in-addr.arpa.: domain name does not exist
[0] 211.152.189.137.in-addr.arpa.: domain name does not exist
[0] 212.152.189.137.in-addr.arpa.: domain name does not exist
[0] 213.152.189.137.in-addr.arpa.: domain name does not exist
[0] 214.152.189.137.in-addr.arpa.: domain name does not exist
[0] 215.152.189.137.in-addr.arpa.: domain name does not exist
[0] 216.152.189.137.in-addr.arpa.: domain name does not exist
[0] 217.152.189.137.in-addr.arpa.: domain name does not exist
[0] 218.152.189.137.in-addr.arpa.: domain name does not exist
[0] 219.152.189.137.in-addr.arpa.: domain name does not exist
[0] 220.152.189.137.in-addr.arpa.: domain name does not exist
[86400] 221.152.189.137.in-addr.arpa. domain name pointer ra1tm01.arch.cuhk.edu.hk
[86400] 222.152.189.137.in-addr.arpa. domain name pointer ra1tm02.arch.cuhk.edu.hk
[0] 223.152.189.137.in-addr.arpa.: domain name does not exist
[0] 224.152.189.137.in-addr.arpa.: domain name does not exist
[0] 225.152.189.137.in-addr.arpa.: domain name does not exist
[0] 226.152.189.137.in-addr.arpa.: domain name does not exist
[0] 227.152.189.137.in-addr.arpa.: domain name does not exist
[0] 228.152.189.137.in-addr.arpa.: domain name does not exist
[0] 229.152.189.137.in-addr.arpa.: domain name does not exist
[0] 230.152.189.137.in-addr.arpa.: domain name does not exist
[0] 231.152.189.137.in-addr.arpa.: domain name does not exist
[0] 232.152.189.137.in-addr.arpa.: domain name does not exist
[0] 233.152.189.137.in-addr.arpa.: domain name does not exist
[0] 234.152.189.137.in-addr.arpa.: domain name does not exist
[0] 235.152.189.137.in-addr.arpa.: domain name does not exist
[0] 236.152.189.137.in-addr.arpa.: domain name does not exist
[0] 237.152.189.137.in-addr.arpa.: domain name does not exist
[0] 238.152.189.137.in-addr.arpa.: domain name does not exist
[0] 239.152.189.137.in-addr.arpa.: domain name does not exist
[0] 240.152.189.137.in-addr.arpa.: domain name does not exist
[0] 241.152.189.137.in-addr.arpa.: domain name does not exist
[0] 242.152.189.137.in-addr.arpa.: domain name does not exist
[0] 243.152.189.137.in-addr.arpa.: domain name does not exist
[0] 244.152.189.137.in-addr.arpa.: domain name does not exist
[0] 245.152.189.137.in-addr.arpa.: domain name does not exist
[0] 246.152.189.137.in-addr.arpa.: domain name does not exist
[0] 247.152.189.137.in-addr.arpa.: domain name does not exist
[0] 248.152.189.137.in-addr.arpa.: domain name does not exist
[0] 249.152.189.137.in-addr.arpa.: domain name does not exist
[0] 250.152.189.137.in-addr.arpa.: domain name does not exist
[0] 251.152.189.137.in-addr.arpa.: domain name does not exist
[0] 252.152.189.137.in-addr.arpa.: domain name does not exist
[0] 253.152.189.137.in-addr.arpa.: domain name does not exist
[0] 254.152.189.137.in-addr.arpa.: domain name does not exist
[0] 255.152.189.137.in-addr.arpa.: domain name does not exist