DNS question, null MX records

Tony Finch dot at dotat.at
Wed Dec 16 05:59:18 CST 2009


On Wed, 16 Dec 2009, Mark Andrews wrote:
> Douglas Otis wrote:
> >
> > One might instead consider using:
> >
> > example.com. 	IN MX 0 192.0.2.0
> > 			IN MX 10 192.0.2.1
> > 			...
> > 			IN MX 90 192.0.2.9
>
> Which will expand to:
>
> example.com. 	IN MX 0 192.0.2.0.example.com.
>  		IN MX 10 192.0.2.1.example.com.
>  		....
>  		IN MX 90 192.0.2.9.example.com.
>
> MX records DO NOT take IP addresses.

Or if he puts in the trailing dot it'll still cause the root server
traffic he was trying to avoid.

Tony.
-- 
f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
GERMAN BIGHT HUMBER: SOUTHWEST 5 TO 7. MODERATE OR ROUGH. SQUALLY SHOWERS.
MODERATE OR GOOD.




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