[AusNOG] Viewing RBL's on entire /24

[Anthony Spruce]

Daniel,



To expand on Tim’s Reply.



Have a look at http://www.barracudacentral.org/rbl/how-to-use for an
example of how DNSBL’s work.



There’s a list of around 80 or so I’ve found in random locations, and you
can do simple DNS lookups based on the above URL’s methods to get the
information. Otherwise, I would recommend looking at MXToolbox as an
alternative which is already configured J



*From:* AusNOG [mailto:ausnog-bounces at lists.ausnog.net] *On Behalf Of *Tim G
*Sent:* Wednesday, October 16, 2013 9:58 AM
*To:* Daniel Watson; ausnog at lists.ausnog.net
*Subject:* Re: [AusNOG] Viewing RBL's on entire /24



The quickest way would be just to write a quick script that loops through
the dns servers for the RBL's that you want to check against for each IP
address and marks the IP with wether or not the IP was found in a block
list :)



If you want to pay some money, contact MxToolBox. They have a fantastic API
if you own a /24 that allows you to query each IP address, and they do all
the DNS work for you. They also send you email reports daily showing what
IPs are blocked etc.



Regards,

Tim



On 16 October 2013 at 9:48:29 AM, Daniel Watson
(daniel at glovine.com.au<//daniel at glovine.com.au>)
wrote:

I was wondering if anybody might be able to recommend a way for me to do a
RBL lookup on an entire /24 rather then looking up each IP separately
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