DNSBL Checker

DNSBL Checker is a simple tool to check IPs in DNS-based blackhole lists.

Getting binary

Latest version is available here

Installing from source

go build dnsblchecker.go

How to use

Create a dnsbl servers list first. For example:

# cat > dnsbl.txt <<EOF
bb.barracudacentral.org
block.stopspam.org
bl.spamcop.net
bl.spameatingmonkey.net
cidr.bl.mcafee.com
dnsbl.sorbs.net
multi.surbl.org
multi.uribl.com
rhsbl.ahbl.org
spam.dnsbl.sorbs.net
zen.spamhaus.org
EOF

And now you can run:

# ./dnsblchecker 8.8.8.8

The help page is available on command:

# ./dnsblchecker --help