[120099] in North American Network Operators' Group
Re: Arrogant RBL list maintainers
daemon@ATHENA.MIT.EDU (Seth Mattinen)
Wed Dec 9 15:07:07 2009
Date: Wed, 09 Dec 2009 12:06:48 -0800
From: Seth Mattinen <sethm@rollernet.us>
To: nanog@nanog.org
In-Reply-To: <4B1FFF0C.4040404@csuohio.edu>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Michael Holstein wrote:
> No, we do have it correct .. they wanted us to fix all the *other* ones
> (that can't even send mail because they're firewalled from doing so) ..
>
> $ dig -t mx csuohio.edu
> [..]
> ;; ANSWER SECTION:
> csuohio.edu. 10800 IN MX 10 antispam5.csuohio.edu.
> csuohio.edu. 10800 IN MX 10 antispam4.csuohio.edu.
> csuohio.edu. 10800 IN MX 10 antispam3.csuohio.edu.
> csuohio.edu. 10800 IN MX 10 antispam2.csuohio.edu.
> [..]
> ;; ADDITIONAL SECTION:
> antispam5.csuohio.edu. 10800 IN A 137.148.19.13
> antispam4.csuohio.edu. 10800 IN A 137.148.18.13
> antispam3.csuohio.edu. 10800 IN A 137.148.18.21
> antispam2.csuohio.edu. 10800 IN A 137.148.19.12
>
> (and)
>
> 13.19.148.137.in-addr.arpa domain name pointer antispam5.csuohio.edu.
> 13.18.148.137.in-addr.arpa domain name pointer antispam4.csuohio.edu.
> 21.18.148.137.in-addr.arpa domain name pointer antispam3.csuohio.edu.
> 12.19.148.137.in-addr.arpa domain name pointer antispam2.csuohio.edu.
>
Ah, I must have misread. Yeah that's pretty much the accepted way to do
DNS for mail servers.
~Seth
