[dns-operations] operational impact of empty MNAME and RNAME?

Joseph S D Yao jsdy at center.osis.gov
Mon Oct 2 22:22:47 UTC 2006


On Mon, Oct 02, 2006 at 11:22:23AM -0400, Joe Abley wrote:
> Hey,
> 
> For a zone which definitively doesn't support dynamic updates, the  
> MNAME field in the SOA RDATA seems extraneous.
> 
> Similarly, adding an additional stream of spam by putting real data  
> in the RNAME field seems to verge on the pointless.
> 
> Has anybody tried hosting a prominent zone with these fields empty  
> (e.g. specified as "." in a BIND9 zone file)? Was there any negative  
> operational impact?


I have it set to a non-existent host name, after I got tired of all the
yammering MSW spam-like updates caused by that infernal default-on
setting.  Operational impact: no more yammering, cleaner log files.  All
good.

no-ddns.example.info

-- 
Joe Yao
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