[0] 0.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 1.72.165.193.in-addr.arpa. domain name pointer shaper.gomel.cb.wlnet.cz
[86400] 2.72.165.193.in-addr.arpa. domain name pointer speedlink2-836tb-gw.wlnet.cz
[86400] 3.72.165.193.in-addr.arpa. domain name pointer speedlink-836tb2-gw.wlnet.cz
[86400] 4.72.165.193.in-addr.arpa. domain name pointer ibm-imm-speedlinktb.wlnet.cz
[86400] 5.72.165.193.in-addr.arpa. domain name pointer speedlink-836tb-gw.wlnet.cz
[86400] 6.72.165.193.in-addr.arpa. domain name pointer apc.st.zl.wlnet.cz
[86400] 7.72.165.193.in-addr.arpa. domain name pointer extreme2.836.tb.wlnet.cz
[0] 8.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 9.72.165.193.in-addr.arpa. domain name pointer kl.wl.hg.su.wlnet.cz
[86400] 10.72.165.193.in-addr.arpa. domain name pointer su.wl.st.kl.wlnet.cz
[86400] 11.72.165.193.in-addr.arpa. domain name pointer sroptb-gw.wlnet.cz
[86400] 12.72.165.193.in-addr.arpa. domain name pointer ibm-rsa-gomelcb.wlnet.cz
[0] 13.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 14.72.165.193.in-addr.arpa. domain name pointer meuve-gw.veseli.cz
[86400] 15.72.165.193.in-addr.arpa. domain name pointer tb.wl.st.kl.wlnet.cz
[86400] 16.72.165.193.in-addr.arpa. domain name pointer klauda.wl.836.tb.wlnet.cz
[86400] 17.72.165.193.in-addr.arpa. domain name pointer 1zsve.wl.st.zl.wlnet.cz
[86400] 18.72.165.193.in-addr.arpa. domain name pointer zl.wl.1zs.ve.72.165.193.in-addr.arpa
[86400] 19.72.165.193.in-addr.arpa. domain name pointer sou.wl.pan.li.wlnet.cz
[86400] 20.72.165.193.in-addr.arpa. domain name pointer gymso-gw.gym-so.cz
[86400] 21.72.165.193.in-addr.arpa. domain name pointer wl.lorenc.cer.wlnet.cz
[0] 22.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 23.72.165.193.in-addr.arpa. domain name pointer li.wl.st.zl.wlnet.cz
[86400] 24.72.165.193.in-addr.arpa. domain name pointer so.wl.st.zl.wlnet.cz
[86400] 25.72.165.193.in-addr.arpa. domain name pointer cat.st.ja.wlnet.cz
[86400] 26.72.165.193.in-addr.arpa. domain name pointer apc.st.ja.wlnet.cz
[86400] 27.72.165.193.in-addr.arpa. domain name pointer rb2.pan.li.wlnet.cz
[0] 28.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 29.72.165.193.in-addr.arpa. domain name pointer cat1912.st.kl.wlnet.cz
[86400] 30.72.165.193.in-addr.arpa. domain name pointer apc.st.sl.wlnet.cz
[86400] 31.72.165.193.in-addr.arpa. domain name pointer zl.wl.biogena.se.wlnet.cz
[86400] 32.72.165.193.in-addr.arpa. domain name pointer biogenase-gw.biogena.cz
[86400] 33.72.165.193.in-addr.arpa. domain name pointer kl.cereagon.gomel.cb.wlnet.cz
[86400] 34.72.165.193.in-addr.arpa. domain name pointer cb.ceragon.st.kl.wlnet.cz
[86400] 35.72.165.193.in-addr.arpa. domain name pointer wl.oups.li.wlnet.cz
[86400] 36.72.165.193.in-addr.arpa. domain name pointer souli-gw.sou-lisov.cz
[86400] 37.72.165.193.in-addr.arpa. domain name pointer cat.hg.su.wlnet.cz
[0] 38.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 39.72.165.193.in-addr.arpa. domain name pointer zl.wl.pan.li.wlnet.cz
[86400] 40.72.165.193.in-addr.arpa. domain name pointer wifisu-gw.suchdol.cz
[0] 41.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 42.72.165.193.in-addr.arpa. domain name pointer 836.wl.zl.tb.wlnet.cz
[86400] 43.72.165.193.in-addr.arpa. domain name pointer zl.wl.836.tb.wlnet.cz
[86400] 44.72.165.193.in-addr.arpa. domain name pointer sw.st.zl.wlnet.cz
[86400] 45.72.165.193.in-addr.arpa. domain name pointer sos.wl.pan.li.wlnet.cz
[86400] 46.72.165.193.in-addr.arpa. domain name pointer li.wl.vod.sos.wlnet.cz
[86400] 47.72.165.193.in-addr.arpa. domain name pointer rb.pan.li.wlnet.cz
[86400] 48.72.165.193.in-addr.arpa. domain name pointer stein.wl.vod.sos.wlnet.cz
[0] 49.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 50.72.165.193.in-addr.arpa. domain name pointer se.wl.st.zl.wlnet.cz
[86400] 51.72.165.193.in-addr.arpa. domain name pointer wl.stein.sos.wlnet.cz
[0] 52.72.165.193.in-addr.arpa.: domain name does not exist
[0] 53.72.165.193.in-addr.arpa.: domain name does not exist
[0] 54.72.165.193.in-addr.arpa.: domain name does not exist
[0] 55.72.165.193.in-addr.arpa.: domain name does not exist
[0] 56.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 57.72.165.193.in-addr.arpa. domain name pointer apc.gomel.cb.wlnet.cz
[86400] 58.72.165.193.in-addr.arpa. domain name pointer omni.ap.biogena.se.wlnet.cz
[86400] 59.72.165.193.in-addr.arpa. domain name pointer extreme.gomel.cb.wlnet.cz
[86400] 60.72.165.193.in-addr.arpa. domain name pointer cat2950-24.gomel.cb.wlnet.cz
[86400] 61.72.165.193.in-addr.arpa. domain name pointer wlinst.ve.wlnet.cz
[86400] 62.72.165.193.in-addr.arpa. domain name pointer 1zsve-gw.1zs-veseli.cz
[0] 63.72.165.193.in-addr.arpa.: domain name does not exist
[0] 64.72.165.193.in-addr.arpa.: domain name does not exist
[0] 65.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 66.72.165.193.in-addr.arpa. domain name pointer gymso.wl.st.zl.wlnet.cz
[86400] 67.72.165.193.in-addr.arpa. domain name pointer zl.wl.gym.so.wlnet.cz
[0] 68.72.165.193.in-addr.arpa.: domain name does not exist
[0] 69.72.165.193.in-addr.arpa.: domain name does not exist
[0] 70.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 71.72.165.193.in-addr.arpa. domain name pointer skolni.wl.gym.so.wlnet.cz
[86400] 72.72.165.193.in-addr.arpa. domain name pointer gym.wl.skolni.so.wlnet.cz
[86400] 73.72.165.193.in-addr.arpa. domain name pointer bechynska.wl.skolni.so.wlnet.cz
[86400] 74.72.165.193.in-addr.arpa. domain name pointer wl.bechynska.so.wlnet.cz
[86400] 75.72.165.193.in-addr.arpa. domain name pointer pisky.wl.jiraskova.so.wlnet.cz
[86400] 76.72.165.193.in-addr.arpa. domain name pointer wl.pisky.so.wlnet.cz
[86400] 77.72.165.193.in-addr.arpa. domain name pointer ssrso-mail.ssrsobeslav.cz
[0] 78.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 79.72.165.193.in-addr.arpa. domain name pointer rb.gym.so.wlnet.cz
[86400] 80.72.165.193.in-addr.arpa. domain name pointer rb.jiraskova.so.wlnet.cz
[86400] 81.72.165.193.in-addr.arpa. domain name pointer rb.skolni.so.wlnet.cz
[86400] 82.72.165.193.in-addr.arpa. domain name pointer email.ssrsobeslav.cz
[86400] 83.72.165.193.in-addr.arpa. domain name pointer rb.bechynska.so.wlnet.cz
[86400] 84.72.165.193.in-addr.arpa. domain name pointer rb.pisky.so.wlnet.cz
[86400] 85.72.165.193.in-addr.arpa. domain name pointer gm.wl.wilsonova.so.wlnet.cz
[86400] 86.72.165.193.in-addr.arpa. domain name pointer wl.gzmedia.so.wlnet.cz
[0] 87.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 88.72.165.193.in-addr.arpa. domain name pointer jiraskova.wl.gym.so.wlnet.cz
[86400] 89.72.165.193.in-addr.arpa. domain name pointer gym.wl.jiraskova.so.wlnet.cz
[86400] 90.72.165.193.in-addr.arpa. domain name pointer wilsonova.wl.gym.so.wlnet.cz
[86400] 91.72.165.193.in-addr.arpa. domain name pointer wl.wilsonova.so.wlnet.cz
[0] 92.72.165.193.in-addr.arpa.: domain name does not exist
[0] 93.72.165.193.in-addr.arpa.: domain name does not exist
[0] 94.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 95.72.165.193.in-addr.arpa. domain name pointer rb.zs.ve.wlnet.cz
[86400] 96.72.165.193.in-addr.arpa. domain name pointer rb.sos.ve.wlnet.cz
[0] 97.72.165.193.in-addr.arpa.: domain name does not exist
[0] 98.72.165.193.in-addr.arpa.: domain name does not exist
[0] 99.72.165.193.in-addr.arpa.: domain name does not exist
[0] 100.72.165.193.in-addr.arpa.: domain name does not exist
[0] 101.72.165.193.in-addr.arpa.: domain name does not exist
[0] 102.72.165.193.in-addr.arpa.: domain name does not exist
[0] 103.72.165.193.in-addr.arpa.: domain name does not exist
[0] 104.72.165.193.in-addr.arpa.: domain name does not exist
[0] 105.72.165.193.in-addr.arpa.: domain name does not exist
[0] 106.72.165.193.in-addr.arpa.: domain name does not exist
[0] 107.72.165.193.in-addr.arpa.: domain name does not exist
[0] 108.72.165.193.in-addr.arpa.: domain name does not exist
[0] 109.72.165.193.in-addr.arpa.: domain name does not exist
[0] 110.72.165.193.in-addr.arpa.: domain name does not exist
[0] 111.72.165.193.in-addr.arpa.: domain name does not exist
[0] 112.72.165.193.in-addr.arpa.: domain name does not exist
[0] 113.72.165.193.in-addr.arpa.: domain name does not exist
[0] 114.72.165.193.in-addr.arpa.: domain name does not exist
[0] 115.72.165.193.in-addr.arpa.: domain name does not exist
[0] 116.72.165.193.in-addr.arpa.: domain name does not exist
[0] 117.72.165.193.in-addr.arpa.: domain name does not exist
[0] 118.72.165.193.in-addr.arpa.: domain name does not exist
[0] 119.72.165.193.in-addr.arpa.: domain name does not exist
[0] 120.72.165.193.in-addr.arpa.: domain name does not exist
[0] 121.72.165.193.in-addr.arpa.: domain name does not exist
[0] 122.72.165.193.in-addr.arpa.: domain name does not exist
[0] 123.72.165.193.in-addr.arpa.: domain name does not exist
[0] 124.72.165.193.in-addr.arpa.: domain name does not exist
[0] 125.72.165.193.in-addr.arpa.: domain name does not exist
[0] 126.72.165.193.in-addr.arpa.: domain name does not exist
[0] 127.72.165.193.in-addr.arpa.: domain name does not exist
[0] 128.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 129.72.165.193.in-addr.arpa. domain name pointer cb.c2620.gomel.cb.wlnet.cz
[86400] 130.72.165.193.in-addr.arpa. domain name pointer gomelcb-gw.gomel.cz
[0] 131.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 132.72.165.193.in-addr.arpa. domain name pointer wl.basilika.cb.wlnet.cz
[86400] 133.72.165.193.in-addr.arpa. domain name pointer rb-bb.aspera.cb.wlnet.cz
[86400] 134.72.165.193.in-addr.arpa. domain name pointer eccb-gw.eccb.cz
[86400] 135.72.165.193.in-addr.arpa. domain name pointer cat.gomel.cb.wlnet.cz
[86400] 136.72.165.193.in-addr.arpa. domain name pointer aspera.wl.gomel.cb.wlnet.cz
[86400] 137.72.165.193.in-addr.arpa. domain name pointer wl.aspera.cb.wlnet.cz
[86400] 138.72.165.193.in-addr.arpa. domain name pointer mail.aspera.cz
[86400] 139.72.165.193.in-addr.arpa. domain name pointer biogena.wl.aspera.cb.wlnet.cz
[86400] 140.72.165.193.in-addr.arpa. domain name pointer wl.biogena.cb.wlnet.cz
[86400] 141.72.165.193.in-addr.arpa. domain name pointer su.cechova.cb.wlnet.cz
[86400] 142.72.165.193.in-addr.arpa. domain name pointer cechovacb-gw.cb.wlnet.cz
[0] 143.72.165.193.in-addr.arpa.: domain name does not exist
[0] 144.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 145.72.165.193.in-addr.arpa. domain name pointer sukl.wl.gomel.cb.wlnet.cz
[86400] 146.72.165.193.in-addr.arpa. domain name pointer rb.aspera.cb.wlnet.cz
[86400] 147.72.165.193.in-addr.arpa. domain name pointer wl.kurent.cb.wlnet.cz
[86400] 148.72.165.193.in-addr.arpa. domain name pointer lumencb-mail.lumen.cz
[86400] 149.72.165.193.in-addr.arpa. domain name pointer su.isscr.cb.wlnet.cz
[0] 150.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 151.72.165.193.in-addr.arpa. domain name pointer englmayer.wl.gomel.cb.wlnet.cz
[86400] 152.72.165.193.in-addr.arpa. domain name pointer wl.englmayer.cb.wlnet.cz
[86400] 153.72.165.193.in-addr.arpa. domain name pointer mail.aspera.cz
[86400] 154.72.165.193.in-addr.arpa. domain name pointer rb.lumen.cb.wlnet.cz
[86400] 155.72.165.193.in-addr.arpa. domain name pointer wl.bas.cb.wlnet.cz
[86400] 156.72.165.193.in-addr.arpa. domain name pointer bascb-gw.bas-automaterial.cz
[86400] 157.72.165.193.in-addr.arpa. domain name pointer elektrosmscb-mail.elektrosms.cz
[86400] 158.72.165.193.in-addr.arpa. domain name pointer townshendhl-gw.townshend.cz
[86400] 159.72.165.193.in-addr.arpa. domain name pointer sa.malec.cb.wlnet.cz
[86400] 160.72.165.193.in-addr.arpa. domain name pointer maleccb-gw.atelier-malec.cz
[86400] 161.72.165.193.in-addr.arpa. domain name pointer mail.susjk.cz
[86400] 162.72.165.193.in-addr.arpa. domain name pointer aspera.wl.cechova.cb.wlnet.cz
[86400] 163.72.165.193.in-addr.arpa. domain name pointer wl.aspera-kr.cb.wlnet.cz
[86400] 164.72.165.193.in-addr.arpa. domain name pointer asperacb2-gw.aspera.cz
[86400] 165.72.165.193.in-addr.arpa. domain name pointer biogenase-gw.biogena.cz
[86400] 166.72.165.193.in-addr.arpa. domain name pointer palstav.wl.gomel.cb.wlnet.cz
[0] 167.72.165.193.in-addr.arpa.: domain name does not exist
[0] 168.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 169.72.165.193.in-addr.arpa. domain name pointer asperacb-vpn.aspera.cz
[86400] 170.72.165.193.in-addr.arpa. domain name pointer bas.wl.gomel.cb.wlnet.cz
[86400] 171.72.165.193.in-addr.arpa. domain name pointer wl.sukl.cb.wlnet.cz
[86400] 172.72.165.193.in-addr.arpa. domain name pointer itituv-ceb.skynet.cz
[86400] 173.72.165.193.in-addr.arpa. domain name pointer wl.app.cb.wlnet.cz
[86400] 174.72.165.193.in-addr.arpa. domain name pointer mail.susjk.cz
[0] 175.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 176.72.165.193.in-addr.arpa. domain name pointer mladecb-gw.mlade.cz
[0] 177.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 178.72.165.193.in-addr.arpa. domain name pointer sa.spacek.cb.wlnet.cz
[86400] 179.72.165.193.in-addr.arpa. domain name pointer elektrosms.wl.gomel.cb.wlnet.cz
[86400] 180.72.165.193.in-addr.arpa. domain name pointer wl.elektrosms.cb.wlnet.cz
[0] 181.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 182.72.165.193.in-addr.arpa. domain name pointer sgm.lumen.cz
[86400] 183.72.165.193.in-addr.arpa. domain name pointer lumen.gomel.cb.wlnet.cz
[86400] 184.72.165.193.in-addr.arpa. domain name pointer wl.lumen.cb.wlnet.cz
[86400] 185.72.165.193.in-addr.arpa. domain name pointer cechova.wl.gomel.cb.wlnet.cz
[86400] 186.72.165.193.in-addr.arpa. domain name pointer gomel.wl.cechova.cb.wlnet.cz
[86400] 187.72.165.193.in-addr.arpa. domain name pointer budweiss.wl.gomel.cb.wlnet.cz
[86400] 188.72.165.193.in-addr.arpa. domain name pointer wl.budweiss.cb.wlnet.cz
[86400] 189.72.165.193.in-addr.arpa. domain name pointer basilika.wl.gomel.cb.wlnet.cz
[86400] 190.72.165.193.in-addr.arpa. domain name pointer zskucb-gw.zskucb.cz
[0] 191.72.165.193.in-addr.arpa.: domain name does not exist
[0] 192.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 193.72.165.193.in-addr.arpa. domain name pointer cb3.c2620.gomel.cb.wlnet.cz
[86400] 194.72.165.193.in-addr.arpa. domain name pointer mlade.wl.gomel.cb.wlnet.cz
[86400] 195.72.165.193.in-addr.arpa. domain name pointer wl.mlade.cb.wlnet.cz
[86400] 196.72.165.193.in-addr.arpa. domain name pointer memco3cb-gw.cb.wlnet.cz
[0] 197.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 198.72.165.193.in-addr.arpa. domain name pointer agrozet-router.cb.wlnet.cz
[86400] 199.72.165.193.in-addr.arpa. domain name pointer elektrosmscb-mail.elektrosms.cz
[86400] 200.72.165.193.in-addr.arpa. domain name pointer cmd.wl.gomel.cb.wlnet.cz
[86400] 201.72.165.193.in-addr.arpa. domain name pointer wl.cmd.cb.wlnet.cz
[0] 202.72.165.193.in-addr.arpa.: domain name does not exist
[0] 203.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 204.72.165.193.in-addr.arpa. domain name pointer scrru-gw.skolacrcb.cz
[86400] 205.72.165.193.in-addr.arpa. domain name pointer sa.astr.cb.wlnet.cz
[86400] 206.72.165.193.in-addr.arpa. domain name pointer app.wl.gomel.cb.wlnet.cz
[86400] 207.72.165.193.in-addr.arpa. domain name pointer wl.app.cb.wlnet.cz
[86400] 208.72.165.193.in-addr.arpa. domain name pointer elektrosmscb-gw.elektrosms.cz
[86400] 209.72.165.193.in-addr.arpa. domain name pointer sip.elektrosms.cb.wlnet.cz
[86400] 210.72.165.193.in-addr.arpa. domain name pointer rb.elektrosms.cb.wlnet.cz
[0] 211.72.165.193.in-addr.arpa.: domain name does not exist
[0] 212.72.165.193.in-addr.arpa.: domain name does not exist
[86400] 213.72.165.193.in-addr.arpa. domain name pointer sa.neptun.cb.wlnet.cz
[86400] 214.72.165.193.in-addr.arpa. domain name pointer neptuncb-gw.neptun.cz
[86400] 215.72.165.193.in-addr.arpa. domain name pointer rb.englmayer.cb.wlnet.cz
[86400] 216.72.165.193.in-addr.arpa. domain name pointer memco2cb-gw.cb.wlnet.cz
[86400] 217.72.165.193.in-addr.arpa. domain name pointer memcocb-gw.cb.wlnet.cz
[86400] 218.72.165.193.in-addr.arpa. domain name pointer cesmad.wl.gomel.cb.wlnet.cz
[86400] 219.72.165.193.in-addr.arpa. domain name pointer wl.cesmad.cb.wlnet.cz
[86400] 220.72.165.193.in-addr.arpa. domain name pointer elektrosmscb-mail.elektrosms.cz
[86400] 221.72.165.193.in-addr.arpa. domain name pointer gar.wl.gomel.cb.wlnet.cz
[86400] 222.72.165.193.in-addr.arpa. domain name pointer wl.garant.cb.wlnet.cz
[86400] 223.72.165.193.in-addr.arpa. domain name pointer rb.garant.cb.wlnet.cz
[86400] 224.72.165.193.in-addr.arpa. domain name pointer qvanto.wl.englayer.cb.wlnet.cz
[86400] 225.72.165.193.in-addr.arpa. domain name pointer wl.qvanto.cb.wlnet.cz
[86400] 226.72.165.193.in-addr.arpa. domain name pointer qvanto-gw.cb.wlnet.cz
[86400] 227.72.165.193.in-addr.arpa. domain name pointer qvanto2-gw.cb.wlnet.cz
[86400] 228.72.165.193.in-addr.arpa. domain name pointer cme.wl.gomel.cb.wlnet.cz
[86400] 229.72.165.193.in-addr.arpa. domain name pointer wl.cme.cb.wlnet.cz
[0] 230.72.165.193.in-addr.arpa.: domain name does not exist
[0] 231.72.165.193.in-addr.arpa.: domain name does not exist
[0] 232.72.165.193.in-addr.arpa.: domain name does not exist
[0] 233.72.165.193.in-addr.arpa.: domain name does not exist
[0] 234.72.165.193.in-addr.arpa.: domain name does not exist
[0] 235.72.165.193.in-addr.arpa.: domain name does not exist
[0] 236.72.165.193.in-addr.arpa.: domain name does not exist
[0] 237.72.165.193.in-addr.arpa.: domain name does not exist
[0] 238.72.165.193.in-addr.arpa.: domain name does not exist
[0] 239.72.165.193.in-addr.arpa.: domain name does not exist
[0] 240.72.165.193.in-addr.arpa.: domain name does not exist
[0] 241.72.165.193.in-addr.arpa.: domain name does not exist
[0] 242.72.165.193.in-addr.arpa.: domain name does not exist
[0] 243.72.165.193.in-addr.arpa.: domain name does not exist
[0] 244.72.165.193.in-addr.arpa.: domain name does not exist
[0] 245.72.165.193.in-addr.arpa.: domain name does not exist
[0] 246.72.165.193.in-addr.arpa.: domain name does not exist
[0] 247.72.165.193.in-addr.arpa.: domain name does not exist
[0] 248.72.165.193.in-addr.arpa.: domain name does not exist
[0] 249.72.165.193.in-addr.arpa.: domain name does not exist
[0] 250.72.165.193.in-addr.arpa.: domain name does not exist
[0] 251.72.165.193.in-addr.arpa.: domain name does not exist
[0] 252.72.165.193.in-addr.arpa.: domain name does not exist
[0] 253.72.165.193.in-addr.arpa.: domain name does not exist
[0] 254.72.165.193.in-addr.arpa.: domain name does not exist
[0] 255.72.165.193.in-addr.arpa.: domain name does not exist