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I think John Levine has been working on a BCP document for the IETF
regarding these. ah, here it is:
http://www.ietf.org/internet-drafts/draft-irtf-asrg-dnsbl-02.txt
- --j.
Aaron Boyles writes:
> This sounds along the lines of what I'm looking for. Is there an RFC on
> this protocol anywhere, and a list of some free servers hosting the
> information?
>
> -Aaron Boyles
> ITC Applications Programmer
>
>
>
> -----Original Message-----
> From: Matt Kettler [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, December 21, 2005 3:26 PM
> To: Aaron Boyles
> Cc: SpamAssassin
> Subject: Re: Public Blacklists?
>
>
> Aaron Boyles wrote:
> > On a side note, is anyone very familiar with any protocols involving
> > public blacklists? I'm looking for the ability to simply toss an IP
> > at a site somewhere, and get a simple 'yes/no' response as to whether
> > or not it's a spam IP?
>
> All the common blacklists use DNS lookups, mostly A records in ptr-record
> style reverse-dotted-quad format.
>
> ie: if i wanted to check to see if 208.39.141.94 was listed in njabl.org I'd
> do a DNS lookup of:
>
> 94.141.39.209.combined.njabl.org
>
> if you get NXDOMAIN, then it's not listed.
> if you get back a 127.0.0.* IP address it is listed, and the last octet is a
> bitmask of which NJABL lists the IP is in.
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