I ran across these A records in one of our zone files:

;EXCHANGE STUFF
mail            1m      IN      A       xxx.xxx.xxx.52; dhbex1
mail            1m      IN      A       xxx.xxx.xxx.54; dhbex2

I can see that this is a cheap load-balancing for our exchange OWA servers, but 
what is the ‘1m’ notation? I haven’t been able to find that in my searching of 
the manual.

(We’re adding new servers and I need to make sure our DNS is properly set for 
them.)

-- 
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs

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