my guess is that it could be related to wbl, but not really because of wbl, but rather because of previsible misuse of it.
every URL should be separated by a coma ",".
If you use wbl, this is added every time you make a new line (enter) between urls in the text box.
my guess is that a lot of entries have been added there using the manager, and some were not intended to be in the DNSBL box: (zombie.dnsbl.sorbs.net,xblteams.com,assurer.revuefrance.eu,revueoffre.eu,prendre.publicgrossiste.top,negocier.publicgrossiste.top,csechannel.com,revusilver.eu,revumin.eu,boulanger.com,boulanger.fr,noreply.stores@mailspecificdata.website,information@newsletter.pret-dunion.fr,plbapp1512.plebicity.com,ebuyclub.com,pret-union.fr,print.revuepro.eu,.my,.mx,.ph,.cc,.fi,.co.nz,.br,.jp,.hk,.ai,.ru,.bo,.PL,.pk)
and somewere all on the same line : (all.s5h.net b.barracudacentral.org bl.emailbasura.org,bl.spamcannibal.org bl.spamcop.net blacklist.woody.ch,bogons.cymru.com cbl.abuseat.org cdl.anti-spam.org.cn,combined.abuse.ch db.wpbl.info dnsbl-1.uceprotect.net,dnsbl-2.uceprotect.net dnsbl-3.uceprotect.net dnsbl.anticaptcha.net,dnsbl.cyberlogic.net dnsbl.dronebl.org dnsbl.inps.de)
RBLList=bl.spamcop.net,dnsbl-1.uceprotect.net,dnsbl-2.uceprotect.net,psbl.surriel.com,zen.spamhaus.org,all.s5h.net b.barracudacentral.org bl.emailbasura.org,bl.spamcannibal.org bl.spamcop.net blacklist.woody.ch,bogons.cymru.com cbl.abuseat.org cdl.anti-spam.org.cn,combined.abuse.ch db.wpbl.info dnsbl-1.uceprotect.net,dnsbl-2.uceprotect.net dnsbl-3.uceprotect.net dnsbl.anticaptcha.net,dnsbl.cyberlogic.net dnsbl.dronebl.org dnsbl.inps.de,dnsbl.sorbs.net dnsbl.spfbl.net drone.abuse.ch,duinv.aupads.org dul.dnsbl.sorbs.net dyna.spamrats.com,dynip.rothen.com exitnodes.tor.dnsbl.sectoor.de http.dnsbl.sorbs.net,ips.backscatterer.org ix.dnsbl.manitu.net korea.services.net,misc.dnsbl.sorbs.net noptr.spamrats.com orvedb.aupads.org,pbl.spamhaus.org proxy.bl.gweep.ca psbl.surriel.com,relays.bl.gweep.ca relays.nether.net sbl.spamhaus.org,short.rbl.jp singular.ttk.pte.hu smtp.dnsbl.sorbs.net,socks.dnsbl.sorbs.net spam.abuse.ch spam.dnsbl.anonmails.de,spam.dnsbl.sorbs.net spam.spamrats.com spambot.bls.digibase.ca,spamrbl.imp.ch spamsources.fabel.dk ubl.lashback.com,ubl.unsubscore.com virus.rbl.jp web.dnsbl.sorbs.net,wormrbl.imp.ch xbl.spamhaus.org z.mailspike.net,zen.spamhaus.org zombie.dnsbl.sorbs.net,xblteams.com,assurer.revuefrance.eu,revueoffre.eu,prendre.publicgrossiste.top,negocier.publicgrossiste.top,csechannel.com,revusilver.eu,revumin.eu,boulanger.com,boulanger.fr,noreply.stores@mailspecificdata.website,information@newsletter.pret-dunion.fr,plbapp1512.plebicity.com,ebuyclub.com,pret-union.fr,print.revuepro.eu,.my,.mx,.ph,.cc,.fi,.co.nz,.br,.jp,.hk,.ai,.ru,.bo,.PL,.pk