agarzon · January 28, 2025 15:41 · May 2, 2019 · May 10, 2013
diff --git a/dnsbl.sh b/dnsbl.sh
@@ -4,14 +4,14 @@
 # The shell will strip multiple whitespace
 
 BLISTS="
-bl.score.senderscore.com
-bl.mailspike.net
-bl.spameatingmonkey.net
 b.barracudacentral.org
+bb.barracudacentral.org
 bl.deadbeef.com
-bl.emailbasura.org
+bl.mailspike.net
+bl.score.senderscore.com
 bl.spamcannibal.org
 bl.spamcop.net
+bl.spameatingmonkey.net
 blackholes.five-ten-sg.com
 blacklist.woody.ch
 bogons.cymru.com
@@ -23,11 +23,9 @@ db.wpbl.info
 dnsbl-1.uceprotect.net
 dnsbl-2.uceprotect.net
 dnsbl-3.uceprotect.net
-dnsbl.ahbl.org
 dnsbl.inps.de
 dnsbl.sorbs.net
 drone.abuse.ch
-drone.abuse.ch
 duinv.aupads.org
 dul.dnsbl.sorbs.net
 dul.ru
@@ -62,23 +60,19 @@ residential.block.transip.nl
 ricn.dnsbl.net.au
 rmst.dnsbl.net.au
 sbl.spamhaus.org
-short.rbl.jp
 smtp.dnsbl.sorbs.net
 socks.dnsbl.sorbs.net
-spam.abuse.ch
 spam.dnsbl.sorbs.net
 spam.rbl.msrbl.net
 spam.spamrats.com
 spamlist.or.kr
 spamrbl.imp.ch
 t3direct.dnsbl.net.au
-tor.ahbl.org
 tor.dnsbl.sectoor.de
 torserver.tor.dnsbl.sectoor.de
 ubl.lashback.com
 ubl.unsubscore.com
 virbl.bit.nl
-virus.rbl.jp
 virus.rbl.msrbl.net
 web.dnsbl.sorbs.net
 wormrbl.imp.ch

diff --git a/dnsbl.sh b/dnsbl.sh
@@ -0,0 +1,141 @@
+#!/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
+
+BLISTS="
+bl.score.senderscore.com
+bl.mailspike.net
+bl.spameatingmonkey.net
+b.barracudacentral.org
+bl.deadbeef.com
+bl.emailbasura.org
+bl.spamcannibal.org
+bl.spamcop.net
+blackholes.five-ten-sg.com
+blacklist.woody.ch
+bogons.cymru.com
+cbl.abuseat.org
+cdl.anti-spam.org.cn
+combined.abuse.ch
+combined.rbl.msrbl.net
+db.wpbl.info
+dnsbl-1.uceprotect.net
+dnsbl-2.uceprotect.net
+dnsbl-3.uceprotect.net
+dnsbl.ahbl.org
+dnsbl.inps.de
+dnsbl.sorbs.net
+drone.abuse.ch
+drone.abuse.ch
+duinv.aupads.org
+dul.dnsbl.sorbs.net
+dul.ru
+dyna.spamrats.com
+dynip.rothen.com
+http.dnsbl.sorbs.net
+images.rbl.msrbl.net
+ips.backscatterer.org
+ix.dnsbl.manitu.net
+korea.services.net
+misc.dnsbl.sorbs.net
+noptr.spamrats.com
+ohps.dnsbl.net.au
+omrs.dnsbl.net.au
+orvedb.aupads.org
+osps.dnsbl.net.au
+osrs.dnsbl.net.au
+owfs.dnsbl.net.au
+owps.dnsbl.net.au
+pbl.spamhaus.org
+phishing.rbl.msrbl.net
+probes.dnsbl.net.au
+proxy.bl.gweep.ca
+proxy.block.transip.nl
+psbl.surriel.com
+rbl.interserver.net
+rdts.dnsbl.net.au
+relays.bl.gweep.ca
+relays.bl.kundenserver.de
+relays.nether.net
+residential.block.transip.nl
+ricn.dnsbl.net.au
+rmst.dnsbl.net.au
+sbl.spamhaus.org
+short.rbl.jp
+smtp.dnsbl.sorbs.net
+socks.dnsbl.sorbs.net
+spam.abuse.ch
+spam.dnsbl.sorbs.net
+spam.rbl.msrbl.net
+spam.spamrats.com
+spamlist.or.kr
+spamrbl.imp.ch
+t3direct.dnsbl.net.au
+tor.ahbl.org
+tor.dnsbl.sectoor.de
+torserver.tor.dnsbl.sectoor.de
+ubl.lashback.com
+ubl.unsubscore.com
+virbl.bit.nl
+virus.rbl.jp
+virus.rbl.msrbl.net
+web.dnsbl.sorbs.net
+wormrbl.imp.ch
+xbl.spamhaus.org
+zen.spamhaus.org
+zombie.dnsbl.sorbs.net
+"
+
+# 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
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