fix: [public-dns] filter out non-domain related fields

Fix #275 as reported by @cgrangerdc

lists/public-dns-hostname/list.json

@@ -7171,7 +7171,6 @@
     "32.pool-63.klikom.net",
     "32.pool85-62-89.dynamic.orange.es",
     "32.red-2-143-82.dynamicip.rima-tde.net",
-    "32010-emsv15-rescue",
     "3239.extnet.it",
     "3244.extnet.it",
     "3247.extnet.it",
@@ -7266,7 +7265,6 @@
     "36.red-88-28-201.staticip.rima-tde.net",
     "37-115-13-61.broadband.kyivstar.net",
     "37-128-95-86.static.ip.netia.com.pl",
-    "37-129-60-61-savecom",
     "37-145-15-32.broadband.corbina.ru",
     "37-146-208-226.broadband.corbina.ru",
     "37-148-213-124.cizgi.net.tr",
@@ -9391,7 +9389,6 @@
     "76.205.53.92.dynamic.reverse-mundo-r.com",
     "76.223.117.91.static.reverse-mundo-r.com",
     "76.42.54.195.simstar.net",
-    "77",
     "77-105-100-53.lpok.fi",
     "77-108-128-73.brightstar.limited",
     "77-108-8-210-static.bbbell.com",
@@ -13044,7 +13041,6 @@
     "G-I-T-92.grundyiptransport.net",
     "GB-LAN-64-46.kar.netsolir.com",
     "GDP-WIN-234-058.as16215.net",
-    "GSF-MADDC01-DIA01",
     "GVP-WIN-251-091.as16215.net",
     "GVP-WIN-251-099.as16215.net",
     "Garmoniy.Moscow.access.comstar.ru",
@@ -13183,7 +13179,6 @@
     "LokoTech-gw.transtelecom.net",
     "M106073213001.v4.enabler.ne.jp",
     "M111237115100.v4.enabler.ne.jp",
-    "M2-SERVER",
     "MAIL.NAFSHIP.COM",
     "MATRIX-DESI.bear1.Boston1.Level3.net",
     "MCKAY-BROTHERS--LLC.customer.alter.net",
@@ -13197,7 +13192,6 @@
     "MeiMa.powersrv.de",
     "Midwest-Techno.Moscow.access.comstar.ru",
     "NEG.CAPRICORN.CL",
-    "NETLINE-NET",
     "NK210-63-211-41.static.apol.com.tw",
     "NS1.MyOffice.cz",
     "NS2.DOKSERVER.com",
@@ -13205,7 +13199,6 @@
     "NS2.usls.edu.ph",
     "Nat-Pool-61-19-66-176.cdma.cat.net.th",
     "Nat-Pool-61-19-66-93.cdma.cat.net.th",
-    "Nexz",
     "Notarius-GkG.Moscow.Access.Comstar.ru",
     "OCI-160.120.189.226.aviso.ci",
     "OCI-160.154.48.46.aviso.ci",
@@ -13234,8 +13227,6 @@
     "PPPoE-78-29-120-182.san.ru",
     "PPPoE-78-29-78-97.san.ru",
     "PPPoE-88-147-169-220.san.ru",
-    "PTR",
-    "Plex",
     "Pool-102.41.97.138.g20telecom.net.br",
     "Postscript.Moscow.access.comstar.ru",
     "R.J.SCHINNE.bar1.Portland1.Level3.net",
@@ -13261,7 +13252,6 @@
     "SCZ-181-188-150-00242.tigo.bo",
     "SCZ-181-188-156-00204.tigo.bo",
     "SCZ-190-104-17-00004.tigo.bo",
-    "SEATEL-CACHE-1",
     "SERVER01.tcm.local",
     "SF-23715.tagadab.com",
     "SIW567864.slam.t-com.hr",
@@ -14335,7 +14325,6 @@
     "athedsl-4561970.home.otenet.gr",
     "athedsl-87346.home.otenet.gr",
     "athkosproxy.kosmocar.gr",
-    "atlanta",
     "atlas-p34.cust.smartspb.net",
     "ato008-1011974.routed.opal-solutions.com",
     "atoulouse-652-1-122-54.w2-6.abo.wanadoo.fr",
@@ -14467,7 +14456,6 @@
     "balticom-73-107-142.balticom.lv",
     "balticom-93-151.balticom.lv",
     "bap3133793.lnk.telstra.net",
-    "barthes",
     "bas33-1_migr-82-66-5-205.fbx.proxad.net",
     "bas33-1_migr-82-66-6-102.fbx.proxad.net",
     "bashkirgaz2.ufanet.ru",
@@ -14728,7 +14716,6 @@
     "boston2-qwest.bellatlantic.net",
     "boulder.earthnet.net",
     "bow.mauritel.mr",
-    "boza-wola",
     "br137-h02-5-50-203-37.dsl.sta.abo.bbox.fr",
     "bracewell-9.edge1.dal006.us.unitasglobal.net",
     "bras-79-132-9-48.comnet.bg",
@@ -16980,7 +16967,6 @@
     "claro200-228.palermoslots.com.ar",
     "clbls2.com.au",
     "clean-celery.aeza.network",
-    "clearadminnew",
     "cleartext1.g-service.ru",
     "cli-188-239-199-7.bbn.slav.dn.ua",
     "cli-4622ee46.wholesale.adamo.es",
@@ -18056,7 +18042,6 @@
     "ddns0.xes-net.com",
     "de.adhole.org",
     "de11.araxcloud.com",
-    "deb11-1-6490",
     "ded01.blink-eye.com",
     "dedi77986.whmpanels.com",
     "dedicated-aia167.rev.nazwa.pl",
@@ -18105,7 +18090,6 @@
     "dev250.net176.ip-net.sk",
     "dev45.net182.ip-net.sk",
     "device-170-238-72-224.fibralink.net.br",
-    "dez1",
     "dg-vpn01.drlund-gym.dk",
     "dg-vpn02.drlund-gym.dk",
     "dhclient-94.100.148.7.flashcable.ch",
@@ -18392,7 +18376,6 @@
     "dns11.quad9.net",
     "dns12.quad9.net",
     "dns13.dom.kks.yahoo.co.jp",
-    "dns2",
     "dns2-out.nethelp.cl",
     "dns2-roc.paetec.net",
     "dns2.77globalservices.com",
@@ -18475,7 +18458,6 @@
     "dnsforge.de",
     "dnsg.psyk.fr",
     "dnslas.netrope.com",
-    "dnslux",
     "dnspirat.de",
     "dnspro.gstelecom.net",
     "dnsr3.voipo.io",
@@ -19849,7 +19831,6 @@
     "free.hapihhost.in.145.160.103.in-addr.arpa",
     "freedns.controld.com",
     "freenet.am",
-    "freudenhaus",
     "freya.stelas.de",
     "frhb37382flex.ikexpress.com",
     "frond.ae1x367.dhiblang.lubman.net.pl",
@@ -22613,7 +22594,6 @@
     "ijn131.internetdsl.tpnet.pl",
     "ik1-410-37047.vs.sakura.ne.jp",
     "ik1-439-51724.vs.sakura.ne.jp",
-    "ikea-p004",
     "ilhwatech.com",
     "ilz143.internetdsl.tpnet.pl",
     "image-dns1.image-model.com",
@@ -24568,7 +24548,6 @@
     "katy.ar01.host108.scalematrix.net",
     "kaunas.mediaskopas.lt",
     "kayako.cstore.pl",
-    "kazanluk",
     "kebree.fr",
     "keeper.garantsl.ru",
     "kehaidis.static.otenet.gr",
@@ -25135,7 +25114,6 @@
     "loa-lvl3-tex09.rbn.com",
     "loanin.skylarkactive.org",
     "lobscretess.infotainsys.com",
-    "localhost",
     "locust.juri.hamburg",
     "log.or.kr",
     "log2.cityonlinebd.net",
@@ -26269,7 +26247,6 @@
     "modemcable246.125-37-24.static.videotron.ca",
     "modula.tv",
     "mohga.daxitian.org.uk",
-    "mohistmc",
     "molphil.com.ph",
     "momo.psyduck.xyz",
     "monitoring.itlab73.ru",
@@ -28447,7 +28424,6 @@
     "nordgedanken.dev",
     "nordns.crowncloud.net",
     "northcountyfireems.com",
-    "not-assigned-yet",
     "nov019-1033122.routed.opal-solutions.com",
     "nov019-1033130.routed.opal-solutions.com",
     "nova-078-040-253-033.cpe.novanet.is",
@@ -29268,7 +29244,6 @@
     "ntsvrpx.cityofselma.com",
     "nuberb02.nubenet.com.ar",
     "nubesrv05.nubenet.com.ar",
-    "null",
     "nvrserver.ustelekom.net",
     "nw.jms-ltd.co.uk",
     "nwtest.zoo.co.jp",
@@ -29925,7 +29900,6 @@
     "phoenixwarehouse.wintek.com",
     "phole.allns.fr",
     "phpru.com",
-    "pi-hole",
     "pi-hole.3x1t.eu",
     "pi-hole.pgnwis.com",
     "pi-hole.sblo.ch",
@@ -31223,7 +31197,6 @@
     "rt246bb131-145-100.routit.net",
     "rt35bb146-89-15.routit.net",
     "rt42bb146-89-63.routit.net",
-    "rt_fasonet_ls",
     "rtr-glht-elgn.wowaccess.net",
     "rtr.23.90.206.66.unyc.it",
     "rtr.23.90.236.64.unyc.it",
@@ -33365,7 +33338,6 @@
     "unallocated179.unioncom.net.ua",
     "unallocated204.unioncom.net.ua",
     "unasigned-94.24.54.252.xservers.ro",
-    "unassigned",
     "unassigned-81-90-243-238.ujezd.net",
     "unassigned-81-90-244-15.ujezd.net",
     "unassigned-81-90-247-62.ujezd.net",
@@ -33381,10 +33353,7 @@
     "unassigned.maks.net",
     "unassigned.psychz.net",
     "unassigned.quadranet.com",
-    "undefined-166",
     "undefined-190-9.tvoetv.com.ru",
-    "undefined-252",
-    "undefined-91",
     "undefined.hostname.localhost",
     "underground-macarons.com",
     "undostar.net",
@@ -33450,7 +33419,6 @@
     "unn-89-187-160-91.cdn77.com",
     "unn-89-187-173-221.cdn77.com",
     "unnamed.as263702.net",
-    "unreachable",
     "unspecified.mtw.ru",
     "unusal.antycip.co.uk",
     "unused-213.111.121.178.bilink.ua",
@@ -34248,7 +34216,6 @@
     "website2.aniomani.com",
     "webwiz57.widagroup.net",
     "webx.lph.la",
-    "weedoodev",
     "wellbeinghealthacademy.com",
     "wg.or.cyfr.tel",
     "whiteking.rfm.com.ph",
@@ -34258,7 +34225,6 @@
     "wifi.connect-online.ru",
     "williamhenry.com",
     "willy.golhum.com",
-    "wilsouk",
     "wimax-client.yota.ru",
     "wimax-cpe-189-208-19-247.gdljal.static.axtel.net",
     "wimax-pool-11-210.mtel.net",
@@ -34827,5 +34793,5 @@
   ],
   "name": "List of known public DNS resolvers expressed as hostname",
   "type": "hostname",
-  "version": 20240405
+  "version": 20240615
 }

tools/generate-publicdns.py

@@ -66,9 +66,10 @@ def get_lists_publidns(file) -> Tuple[List, List, List]:
                     elif ip.version == 6:
                         lipv6.append(ip.compressed)
 
-                    if row[1] not in (None, '', '.', '-.'):
+                    if row[1] is not None:
                         row[1] = row[1].rstrip('.')
-                        lhostname.append(row[1])
+                        if ('.') in row[1]:
+                           lhostname.append(row[1])
                 except ValueError as exc:
                     logging.warning(str(exc))