DNSBL (RBL) bash script checker

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So you want to regularly check your IP(s) if they got listed on one of the many (800+ to be exact)  public blacklists (also known as DNSBL or RBL)?

Bellow, you can find a bash script that will make your life much easier. You can also make a cronjob that sends you an email with the results or simply display the results with PHP.

#!/bin/sh
# Check if an IP address is listed on one of the following blacklists
# The format is chosen to make it easy to add or delete
# The shell will strip multiple whitespace
# Last updated on 20.02.2019 @ slurp-ramen.com

BLISTS="
0outspam.fusionzero.com
0spam.fusionzero.com
0spam-killlist.fusionzero.com
0spamtrust.fusionzero.com
0spamurl.fusionzero.com
3y.spam.mrs.kithrup.com
88.blocklist.zap
ab.surbl.org
abuse-contacts.abusix.org
abuse.rfc-clueless.org
abuse.rfc-ignorant.org
accept.the-carrot-and-the-stick.com
access.atlbl.net
access.redhawk.org
accredit.habeas.com
admin.bl.kundenserver.de
adult.rhs.mailpolice.com
adv.rhs.mailpolice.com
ahbl.dnsbl.net.au
ahrh.dnsbl.net.au
all.ascc.dnsbl.bit.nl
all.dnsbl.bit.nl
all.rbl.jp
all.rbl.kropka.net
all.rbl.webiron.net
all.s5h.net
all.spamblock.unit.liu.se
all.spamrats.com
all.spam-rbl.fr
all.v6.ascc.dnsbl.bit.nl
any.dnsl.ipquery.org
apnic-main.bogons.dnsiplists.completewhois.com
arin-legacy-classb.bogons.dnsiplists.completewhois.com
arin-legacy-classc.bogons.dnsiplists.completewhois.com
arin-main.bogons.dnsiplists.completewhois.com
arspam.buanzo.org
asiaspam.spamblocked.com
asn.routeviews.org
aspath.routeviews.org
aspews.dnsbl.sorbs.net
aspews.ext.sorbs.net
assholes.madscience.nl
auth.spamrats.com
autowork.drbl.ks.cz
babl.rbl.webiron.net
backscat.dnsl.ipquery.org
backscatter.rbl.kropka.net
backscatter.spameatingmonkey.net
badconf.rhsbl.sorbs.net
badhost.stopspam.org
badnets.spameatingmonkey.net
bad.psky.me
bad.whois.bl.techtheft.info
bandwidth-pigs.monkeys.com
ban.zebl.zoneedit.com
b.barracudacentral.org
bb.barracudacentral.org
bbm.2ch.net
bbx.2ch.net
be.whitelist.skopos.be
bhnc.njabl.org
bitonly.dnsbl.bit.nl
black.dnsbl.securityplanet.nl
blackhole.compu.net
blackholes.2mbit.com
blackholes.alphanet.ch
blackholes.brainerd.net
blackholes.easynet.nl
blackhole.securitysage.com
blackholes.five-ten-sg.com
blackholes.intersil.net
blackholes.mail-abuse.org
blackholes.sandes.dk
blackholes.scconsult.com
blackholes.uceb.org
blackholes.wirehub.net
black.junkemailfilter.com
blacklist.fpsn.net
blacklist.hostkarma.com
blacklist.informationwave.net
blacklist.mail.ops.asp.att.net
blacklist.mailrelay.att.net
blacklist.netcore.co.in
blacklist.sci.kun.nl
blacklist.sci.ru.nl
blacklist.sequoia.ops.asp.att.net
blacklist.spambag.org
blacklist.woody.ch
black.uribl.com
bl.blbl.org
bl.blocklist.de
bl.blueshore.net
bl.borderworlds.dk
bl.csma.biz
bl.deadbeef.com
bl.drmx.org
bl.emailbasura.org
bl.fmb.la
bl.ipv6.spameatingmonkey.net
bl.konstant.no
bl.mailspike.net
bl.mailspike.org
bl.mav.com.br
bl.mipspace.com
bl.nszones.com
block.ascams.com
block.blars.org
block.dnsbl.sorbs.net
blocked.asgardnet.org
blocked.hilli.dk
blocklist2.squawk.com
blocklist.squawk.com
block.me.uk
block.rhs.mailpolice.com
block.stopspam.org
blocktest.relays.osirusoft.com
bl.open-whois.org
bl.redhatgate.com
bl.reynolds.net.au
bl.scientificspam.net
bl.score.senderscore.com
bl.scrollout.com
bl.shlink.org
bl.shlink.orgdul.ru
bl.spamcannibal.org
bl.spamcop.net
bl.spameatingmonkey.net
bl.spamstinks.com
bl.spamthwart.com
bl.spam-trap.net
bl.starloop.com
bl.student.pw.edu.pl
bl.summersault.com
bl.suomispam.net
bl.technovision.dk
bl.techtheft.info
bl.tiopan.com
bl.tolkien.dk
bogon.bl.techtheft.info
bogon.lbl.lagengymnastik.dk
bogons.cymru.com
bogons.dnsiplists.completewhois.com
bogusmx.rfc-clueless.org
bogusmx.rfc-ignorant.org
bsb.empty.us
bsb.spamlookup.net
bulk.rhs.mailpolice.com
c10.rbl.hk
cabal.web-o-trust.org
cabl.rbl.webiron.net
cart00ney.surriel.com
catchspam.com
cbl.abuseat.org
cbl.anti-spam.org.cn
cblless.anti-spam.org.cn
cblplus.anti-spam.org.cn
cbs.lumbercartel.org
cdl.anti-spam.org.cn
china.rominet.net
cidr.bl.mcafee.com
client-domain.sjesl.monkeys.com
cml.anti-spam.org.cn
combined.abuse.ch
combined-HIB.dnsiplists.completewhois.com
combined.njabl.org
combined.rbl.msrbl.net
communicado.fmb.la
conferr.bl.techtheft.info
contacts.abuse.net
countries.blackholes.us
country.dnsbl.solid.net
country.dnsbl.souphost.com
country.netop.org
country-rirdata.dnsiplists.completewhois.com
crawler.rbl.webiron.net
csi.cloudmark.com
czdynamic.drbl.ks.cz
dbl.spamhaus.org
dbl.suomispam.net
dbl.tiopan.com
db.rurbl.ru
db.wpbl.info
ddnsbl.internetdefensesystems.com
delayed-outputs.orbs.org
dev.null.dk
devnull.drbl.be.net.ru
dews.qmail.org
dhcp.tqmcube.com
dialup.blacklist.jippg.org
dialup.drbl.sandy.ru
dialup.rbl.kropka.net
dialups.mail-abuse.org
dialups.relays.osirusoft.com
dialups.visi.com
dmm.shlink.org
dnsbl-0.uceprotect.net
dnsbl1.dnsbl.borderware.com
dnsbl-1.uceprotect.net
dnsbl2.dnsbl.borderware.com
dnsbl-2.uceprotect.net
dnsbl3.dnsbl.borderware.com
dnsbl-3.uceprotect.net
dnsbl6.anticaptcha.net
dnsbl.abuse.ch
dnsbl.ahbl.org
dnsbl.allgeek.net
dnsbl.anticaptcha.net
dnsbl.antispam.or.id
dnsbl.aspnet.hu
dnsbl.burnt-tech.com
dnsbl.calivent.com.pe
dnsbl.cbn.net.id
dnsblchile.org
dnsbl.clue-by-4.org
dnsbl.cmbix.com
dnsbl.cobion.com
dnsbl.cyberlogic.net
dnsbl.delink.net
dnsbl.dronebl.org
dnsbl.forefront.microsoft.com
dnsbl.httpbl.org
dnsbl.inps.de
dnsbl.ioerror.us
dnsbl.ipocalypse.net
dnsbl.isoc.bg
dnsbl.jammconsulting.com
dnsbl.justspam.org
dnsbl.kempt.net
dnsbl.madavi.de
dnsbl.mags.net
dnsbl.mailer.mobi
dnsbl.mailshell.net
dnsbl.mcu.edu.tw
dnsbl.net.ua
dnsbl.njabl.org
dnsbl.openresolvers.org
dnsbl.othello.ch
dnsbl.pagedirect.net
dnsbl.proxybl.org
dnsbl.rangers.eu.org
dnsbl.regedit64.net
dnsbl.rizon.net
dnsbl.rv-soft.info
dnsbl.rymsho.ru
dnsbl.solid.net
dnsbl.sorbs.net
dnsbl.spam-champuru.livedoor.com
dnsbl.spfbl.net
dnsbl.stopspam.org
dnsbl.swiftbl.org
dnsbl.technoirc.org
dnsbl.tornevall.org
dnsbl.tqmcube.com
dnsbl.webequipped.com
dnsbl.wpbl.pc9.org
dnsbl.zapbl.net
dnsbl.zetabl.org
dnsrbl.org
dnsrbl.swinog.ch
dnswl.inps.de
dnswl.isoc.bg
dnswl.leisi.net
dob.sibl.support-intelligence.net
domain.bl.techtheft.info
drone.abuse.ch
dronebl.noderebellion.net
dsbl.dnsbl.net.au
dsn.bl.rfc-ignorant.de
dsn.rfc-clueless.org
dsn.rfc-ignorant.org
dssl.imrss.org
duinv.aupads.org
dul.blackhole.cantv.net
dul.dnsbl.borderware.com
dul.dnsbl.sorbs.net
dul.dnsbl.sorbs.netdul.ru
dul.maps.vix.com
dul.orca.bc.ca
dul.pacifier.net
dul.ru
dun.dnsrbl.net
dunk.dnsbl.tuxad.de
dyn2.dnsbl.epaxsys.net
dyn2.sbg-rbl.org
dynablock.easynet.nl
dynablock.njabl.org
dynablock.sorbs.net
dynablock.wirehub.net
dynamic.dnsbl.rangers.eu.org
dynamic.rhs.mailpolice.com
dyna.spamrats.com
dyn.dnsbl.epaxsys.net
dyndns.rbl.jp
dynip.rothen.com
dyn.nszones.com
dyn.sbg-rbl.org
dyn.shlink.org
elitist.rfc-clueless.org
endl.dnsbl.net.au
endn.bl.reynolds.net.au
endn.dnsbl.net.au
enpb.dnsbl.net.au
escalations.dnsbl.sorbs.net
eswlrev.dnsbl.rediris.es
eurospam.spamblocked.com
ex.dnsbl.org
exemptions.ahbl.org
exitnodes.tor.dnsbl.sectoor.de
exitnodes.tor.dnsbl.sectoor.dehttp.dnsbl.sorbs.net
expanded.bl.techtheft.info
feb.spamlab.com
fl.chickenboner.biz
flowgoaway.com
fnrbl.fast.net
forbidden.icm.edu.pl
formmail.relays.monkeys.com
form.rbl.kropka.net
fraud.rhs.mailpolice.com
free.v4bl.org
fresh10.spameatingmonkey.net
fresh15.spameatingmonkey.net
fresh.dict.rbl.arix.com
fresh.sa_slip.rbl.arix.com
fresh.spameatingmonkey.net
fulldom.rfc-clueless.org
generic.rwl.mailabusedatabase.com
geobl.spamanalysis.org
geobl.spameatingmonkey.net
gl.suomispam.net
good.whois.bl.techtheft.info
grey.uribl.com
hardcore.rbl.sns.ro
hartkore.dnsbl.tuxad.de
hbl.atlbl.net
helo-domain.sjesl.monkeys.com
hijacked.dnsiplists.completewhois.com
hil.habeas.com
hog.blackhole.cantv.net
hong-kong.rominet.net
hostkarma.junkemailfilter.com
hostkarma.junkemailfilter.com[brl]
httpbl.abuse.ch
http.dnsbl.sorbs.net
http.opm.blitzed.org
hul.habeas.com
iadb2.isipp.com
iadb.isipp.com
iana-classa.bogons.dnsiplists.completewhois.com
iddb.isipp.com
images.rbl.msrbl.net
impersonator.lists.spam.sux.com
in.dnsbl.org
inflow.noflow.org
inputs.orbs.org
inputs.orbz.org
inputs.relays.osirusoft.com
intercept.datapacket.net
intruders.docs.uu.se
invalidipwhois.dnsiplists.completewhois.com
ipal.ahbl.org
ipbl.mailhosts.org
ipbl.zeustracker.abuse.ch
ip.rbl.kropka.net
ips.backscatterer.org
ips.whitelisted.org
ip.v4bl.org
ipv6.all.dnsbl.bit.nl
ipv6.all.s5h.net
ipv6.blacklist.woody.ch
ipv6.rbl.choon.net
ipv6.rwl.choon.net
ipwhois.rfc-ignorant.org
ipwl.mailhosts.org
ircbl.ahbl.org
isp.bl.techtheft.info
isp.dns.nzl.net
ispmx.pofon.foobar.hu
isps.spamblocked.com
is-tor.kewlio.net.uk
ix.dnsbl.manitu.net
jms.lumbercartel.org
jp.dialup.blacklist.jippg.org
jp.surbl.org
jwrh.dnsbl.net.au
karmasphere.email-sender.dnsbl.karmasphere.com
karmasphere.email-sender.dnswl.karmasphere.com
korea.rominet.net
korea.services.net
ko.tqmcube.com
ksi.dnsbl.net.au
l1.apews.org
l1.apews.rhsbl.sorbs.net
l1.apews.rhsbl.uceprotect.net
l1-apews.tqmcube.com
l1.bbfh.ext.sorbs.net
l1.spews.dnsbl.sorbs.net
l2.apews.dnsbl.sorbs.net
l2.apews.dnsbl.uceprotect.net
l2.apews.org
l2-apews.tqmcube.com
l2.bbfh.ext.sorbs.net
l2.spews.dnsbl.sorbs.net
l3.bbfh.ext.sorbs.net
l4.bbfh.ext.sorbs.net
lacnic-main.bogons.dnsiplists.completewhois.com
lacnic.spamblocked.com
lame-av.rbl.kropka.net
lame.dnsbl.rangers.eu.org
lbl.lagengymnastik.dk
list.anonwhois.net
list.bbfh.org
list.blogspambl.com
list.dnswl.org
list.dsbl.org
list.quorum.to
lists.spam.sux.com
lookup.dnsbl.iip.lu
luckyseven.dnsbl.net
mail-abuse.blacklist.jippg.org
mailabusedatabase.com
maildeflector.net
mail.people.it
manual.orbs.org
manual.orbz.gst-group.co.uk
map.spam-rbl.com
misc.dnsbl.sorbs.net
mr-out.imrss.org
msgid.bl.gweep.ca
mtawlrev.dnsbl.rediris.es
multihop.dsbl.org
multi.surbl.org
multi.uribl.com
nana.bl.techtheft.info
netblockbl.spamgrouper.com
netblockbl.spamgrouper.to
netblock.dnsl.ipquery.org
netblock.pedantic.org
netbl.spameatingmonkey.net
netscan.rbl.blockedservers.com
new.dnsbl.sorbs.net
new.spam.dnsbl.sorbs.net
niku.2ch.net
nlwhitelist.dnsbl.bit.nl
nml.mail-abuse.org
nobl.junkemailfilter.com
nomail.rhsbl.sorbs.net
no-more-funn.moensted.dk
nonconfirm.mail-abuse.org
non-jp.dialup.blacklist.jippg.org
noptr.spamrats.com
noservers.dnsbl.sorbs.net
nospam.ant.pl
nsbl.fmb.la
ob.surbl.org
ohps.dnsbl.net.au
okrelays.nthelp.com
old.dnsbl.sorbs.net
old.spam.dnsbl.sorbs.net
omrs.dnsbl.net.au
openlist.relays.osirusoft.com
openlists.orbs.org
opm.blitzed.org
opm.tornevall.org
op.rbl.kropka.net
orbs.dorkslayers.com
orbz.gst-group.co.uk
orid.dnsbl.net.au
origin6.asn.cymru.com
origin.asn.cymru.com
origin.asn.spameatingmonkey.net
or.orbl.org
or.rbl.kropka.net
orrh.dnsbl.net.au
orvedb.aupads.org
osps.dnsbl.net.au
osrs.dnsbl.net.au
other.bl.techtheft.info
outputs.orbs.org
outputs.orbz.org
outputs.relays.osirusoft.com
owfs.dnsbl.net.au
owps.dnsbl.net.au
pacbelldsl.compu.net
Paidaccessviarsync
pbl.spamhaus.org
pdl.bl.reynolds.net.au
pdl.bofh.it
pdl.dnsbl.net.au
pdl.pan-am.ca
peer.asn.cymru.com
phishing.rbl.msrbl.net
ph.surbl.org
plus.bondedsender.org
pm0-no-more.compu.net
pofon.foobar.hu
policy.lbl.lagengymnastik.dk
pool.dnsbl.solid.net
porn.rhs.mailpolice.com
postmaster.rfc-clueless.org
postmaster.rfc-ignorant.org
ppbl.beat.st
prc.tqmcube.com
probes.dnsbl.net.au
probes.dnsbl.net.auproxy.bl.gweep.ca
problems.dnsbl.sorbs.net
proxies.blackholes.easynet.nl
proxies.blackholes.wirehub.net
proxies.dnsbl.sorbs.net
proxies.exsilia.net
proxies.mail-abuse.org
proxies.relays.monkeys.com
proxy.bl.gweep.ca
proxy.block.transip.nl
proxy.drbl.be.net.ru
proxy.relays.osirusoft.com
psbl.surriel.com
pss.spambusters.org.ar
public.sarbl.org
pub.senderdb.net
q.mail-abuse.com
query.bondedsender.org
query.senderbase.org
query.trustic.com
rabl.nuclearelephant.com
random.bl.gweep.ca
rbl2.triumf.ca
rbl.abuse.ro
rbl.apluslock.com
rbl.atlbl.net
rbl.blakjak.net
rbl.blockedservers.com
rbl.bulkfeeds.jp
rbl.cbn.net.id
rbl.choon.net
rbl.dns-servicios.com
rbl.echelon.pl
rbl.efnethelp.net
rbl.efnet.org
rbl.efnetrbl.org
rbl.eznettools.com
rbl.fasthosts.co.uk
rbl.faynticrbl.org
rbl.firstbase.com
rbl.fnidder.dk
rbl.init1.nl
rbl.interserver.net
rbl.iprange.net
rbl.ipv6wl.eu
rbl.ipv6-world.net
rbl.jp
rbl.lugh.ch
rbl.mail-abuse.org
rbl.ma.krakow.pl
rbl.maps.vix.com
rblmap.tu-berlin.de
rbl.megarbl.net
rbl.mw-internet.net
rbl.ntvinet.net
rbl-ok.uib.no
rbl.openrbl.org
rbl.orbitrbl.com
rbl.pil.dk
rbl-plus.hea.net
rbl-plus.mail-abuse.org
rbl.polarcomm.net
rbl.rbldns.ru
rbl.realtimeblacklist.com
rbl.rope.net
rbl.schulte.org
rbl.snark.net
rbl.spamlab.com
rbl.spam.org.tr
rbl.stonehenge.com
rbl.suresupport.com
rbl.talkactive.net
rbl.tdk.net
rbl.triumf.ca
rbl.uib.no
rbl.zenon.net
rddn.dnsbl.net.au
rdts.bl.reynolds.net.au
rdts.dnsbl.net.au
recent.dnsbl.sorbs.net
recent.spam.dnsbl.sorbs.net
redir.rhs.mailpolice.com
red.uribl.com
reject.the-carrot-and-the-stick.com
relay.dnsl.ipquery.org
relayips.rbl.shub-inter.net
relays.bl.gweep.ca
relays.bl.kundenserver.de
relays.dnsbl.sorbs.net
relays.dorkslayers.com
relays.mail-abuse.org
relays.nether.net
relays.nthelp.com
relays.orbs.org
relays.ordb.org
relays.osirusoft.com
relays.radparker.com
relays.sandes.dk
relays.visi.com
relaywatcher.n13mbl.com
rep.mailspike.net
reputation-domain.rbl.scrolloutf1.com
reputation-ip.rbl.scrolloutf1.com
reputation-ns.rbl.scrolloutf1.com
residential.block.transip.nl
rf.senderbase.org
rhsbl.ahbl.org
rhsbl.blackhole.cantv.net
rhsbl.mailhosts.org
rhsbl.rymsho.ru
rhsbl.scientificspam.net
rhsbl.shlink.org
rhsbl.sorbs.net
rhsbl.zapbl.net
rhswl.mailhosts.org
rhswl.shlink.org
ricn.dnsbl.net.au
ripe-main.bogons.dnsiplists.completewhois.com
r.mail-abuse.com
rmst.dnsbl.net.au
robot.bl.techtheft.info
rot.blackhole.cantv.net
rsbl.aupads.org
rwl.choon.net
sa-accredit.habeas.com
safe.dnsbl.prs.proofpoint.com
safe.dnsbl.sorbs.net
sa.fmb.la
sa.senderbase.org
satos.rbl.cluecentral.net
sbbl.they.com
sbg.sbg-rbl.org
sbl.2stepback.dk
sbl.csma.biz
sbl.nszones.com
sbl.spamhaus.org
sbl-xbl.spamhaus.org
scanning.bl.techtheft.info
schizo-bl.kundenserver.de
score.senderscore.com
sc.surbl.org
sender-address.sjesl.monkeys.com
sender-domain.sjesl.monkeys.com
sender-domain-validate.sjesl.monkeys.com
service.mailblacklist.com
service.mailwhitelist.com
short.fmb.la
shortlist.mailhosts.org
short.rbl.jp
singlebl.spamgrouper.com
single.dnsl.ipquery.org
singular.ttk.pte.hu
smtp.dnsbl.sorbs.net
sober.bl.spamtraps.org
socks.dnsbl.sorbs.net
socks.opm.blitzed.org
socks.relays.osirusoft.com
softcore.rbl.sns.ro
sohul.habeas.com
sorbs.dnsbl.net.au
source.bl.techtheft.info
spam.abuse.ch
spam.blackhole.cantv.net
spamblock.kundenserver.de
spambot.bls.digibase.ca
spam.dnsbl.anonmails.de
spam.dnsbl.rangers.eu.org
spam.dnsbl.sorbs.net
spam.dnsrbl.net
spamdomain.block.transip.nl
spamdomains.blackholes.easynet.nl
spam.exsilia.net
spamflood.drbl.drand.net
spamguard.leadmon.net
spamhaus.relays.osirusoft.com
spamips.rbl.shub-inter.net
spam.lbl.lagengymnastik.dk
spamlist.or.kr
spammers.v6net.org
spam.olsentech.net
spam.pedantic.org
spamprobe.drbl.drand.net
spam.rbl.blockedservers.com
spamrbl.imp.ch
spam.rbl.msrbl.net
spam.shri.net
spamsites.dnsbl.net.au
spamsites.relays.osirusoft.com
spamsource.block.transip.nl
spamsource-netblocks.orbs.org
spamsources.dnsbl.info
spamsources.fabel.dk
spamsources.orbs.org
spamsources.relays.osirusoft.com
spamsources.spamblocked.com
spamsources.yamta.org
spam.spamrats.com
spamsupport.dnsbl.rangers.eu.org
spam.tqmcube.com
spamtrap.drbl.drand.net
spamtrap.trblspam.com
spam.wonk.org
spam.wytnij.to
spam.zapjunk.com
spbl.bl.winbots.org
spews.block.transip.nl
spews.dnsbl.net.au
spews.relays.osirusoft.com
spider.realtimespiderlist.com
srnblack.surgate.net
srn.surgate.net
stabl.rbl.webiron.net
stale.dict.rbl.arix.com
stale.sa_slip.arix.com
st.technovision.dk
superblock.ascams.com
support.bl.techtheft.info
surbl.dnsbl.net.au
swl.spamhaus.org
t1.dnsbl.net.au
t2.dnsbl.net.au
t3direct.dnsbl.net.au
t3.dnsbl.net.au
taiwan.rominet.net
test.blocklist.org
tor.ahbl.org
tor.dan.me.uk
tor.dnsbl.sectoor.de
tor.efnet.org
torexit.dan.me.uk
torserver.tor.dnsbl.sectoor.de
truncate.gbudb.net
trusted.nether.net
trust.trustmymail.org
ubl.lashback.com
ubl.nszones.com
ubl.unsubscore.com
ucepn.dnsbl.net.au
unconfirmed.dsbl.org
unsure.nether.net
untestable-netblocks.orbs.org
uribl.abuse.ro
uri.blacklist.woody.ch
uri-bl.blbl.org
uribl.pofon.foobar.hu
uribl.spameatingmonkey.net
uribl.swinog.ch
uribl.zeustracker.abuse.ch
urired.spameatingmonkey.net
url.rbl.jp
v4.fullbogons.cymru.com
v6.fullbogons.cymru.com
vbl.messagelabs.com
vbl.mookystick.com
virbl.bit.nl
virbl.dnsbl.bit.nl
virus.bl.techtheft.info
virus.rbl.jp
virus.rbl.msrbl.net
vote1.drbl.ks.cz
vote.drbl.be.net.ru
vote.drbl.caravan.ru
vote.drbl.croco.net
vote.drbl.dataforce.net
vote.drbldf.dsbl.ru
vote.drbl.drand.net
vote.drbl.gremlin.ru
vote.drbl.host.kz
vote.drbl.sandy.ru
vote.rbl.ntvinet.net
vouch.dwl.spamhaus.org
vox.schpider.com
wadb.isipp.com
watchlist.bl.techtheft.info
wbl.triumf.ca
wdl.bl.reynolds.net.au
web.bl.techtheft.info
web.dnsbl.sorbs.net
webmail.rhs.mailpolice.com
web.rbl.msrbl.net
white.dnsbl.securityplanet.nl
whitelist.bl.techtheft.info
whitelist.lumbercartel.org
whitelist.rbl.ispa.at
whitelist.sci.kun.nl
whitelist.sci.ru.nl
whitelist.spamblocked.com
whitelist.surriel.com
whitelist.techtheft.info
white.uribl.com
whois.bl.techtheft.info
whois.rfc-clueless.org
whois.rfc-ignorant.org
will-spam-for-food.eu.org
wingate.opm.blitzed.org
wl.mailspike.net
wl.nszones.com
wl.shlink.org
wl.summersault.com
wl.trusted-forwarder.org
work.drbl.caravan.ru
work.drbl.croco.net
work.drbl.dataforce.net
work.drbldf.dsbl.ru
work.drbl.drand.net
work.drbl.gremlin.ru
work.drbl.host.kz
work.drbl.ks.cz
work.drbl.sandy.ru
world.tqmcube.com
worm.dnsbl.rangers.eu.org
wormrbl.imp.ch
worms-bl.kundenserver.de
wpb.bl.reynolds.net.au
wpbl.dnsbl.net.au
ws.surbl.org
xbl.selwerd.cx
xbl.spamhaus.org
xpews.mailhosts.org
xs.surbl.org
ybl.megacity.org
zebl.zoneedit.com
zen.spamhaus.org
z.mailspike.net
zombie.dnsbl.sorbs.net
zta.birdsong.org
ztl.dorkslayers.com
zz.countries.nerd.dk
"

# simple shell function to show an error message and exit
#  $0  : the name of shell script, $1 is the string passed as argument
# >&2  : redirect/send the message to stderr

ERROR() {
  echo $0 ERROR: $1 >&2
  exit 2
}

# -- Sanity check on parameters
[ $# -ne 1 ] && ERROR 'Please specify a single IP address'

# -- if the address consists of 4 groups of minimal 1, maximal digits, separated by '.'
# -- reverse the order
# -- if the address does not match these criteria the variable 'reverse will be empty'

reverse=$(echo $1 |
  sed -ne "s~^\([0-9]\{1,3\}\)\.\([0-9]\{1,3\}\)\.\([0-9]\{1,3\}\)\.\([0-9]\{1,3\}\)$~\4.\3.\2.\1~p")

if [ "x${reverse}" = "x" ] ; then
      ERROR  "IMHO '$1' doesn't look like a valid IP address"
      exit 1
fi

# Assuming an IP address of 11.22.33.44 as parameter or argument

# If the IP address in $0 passes our crude regular expression check,
# the variable  ${reverse} will contain 44.33.22.11
# In this case the test will be:
#   [ "x44.33.22.11" = "x" ]
# This test will fail and the program will continue

# An empty '${reverse}' means that shell argument $1 doesn't pass our simple IP address check
# In that case the test will be:
#   [ "x" = "x" ]
# This evaluates to true, so the script will call the ERROR function and quit

# -- do a reverse ( address -> name) DNS lookup
REVERSE_DNS=$(dig +short -x $1)

echo IP $1 NAME ${REVERSE_DNS:----}

# -- cycle through all the blacklists
for BL in ${BLISTS} ; do
    # show the reversed IP and append the name of the blacklist
    printf "%-60s" " ${reverse}.${BL}."

    # use dig to lookup the name in the blacklist
    #echo "$(dig +short -t a ${reverse}.${BL}. |  tr '\n' ' ')"
    LISTED="$(dig +short -t a ${reverse}.${BL}.)"
    echo ${LISTED:----}
done

Have questions regarding e-mail blacklists and how they work? Well, when I have more time I will surely post about it but for now, you may just leave a comment below and I will reply when I can.

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