Esta herramienta le permite verificar la dirección IP contra varios listas negras, como:
DNSBL.RONEBL.ORG
rbl.abuse.ro
CBL.abuseat.org
cblplus.anti-spam.org.cn
dnsbl.anticaptcha.net
mail-abuse.blacklist.jippg.org
rbl.blockedservers.com
bl.blocklist.De
list.blogspambl.com
dnsbl.calivent.com.pe
dnsbl.cobion.com
bogons.cymru.com
torexit.dan.me.uk
rbl.dns-servicios.com
dnsrbl.org
bl.drmx.org
rbl.efnetrbl.org
spamsources.fabel.dk
dnsbl.zapbl.net
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