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DNS Sample Geographic Zone file

This zone file maps the www host (service) to a geographically local IP address and provides a form of 'anycast' service. Mail and DNS (ns1) are not geographically mapped.

The Resource Records are all defined separately.

;used for all queries that originate in gondor
$TTL	86400 ; 24 hours could have been written as 24h or 1d
$ORIGIN example.com.
@  1D  IN	 SOA ns1.example.com.	hostmaster.example.com. (
			      2009082600 ; serial
			      3H ; refresh
			      15 ; retry
			      1w ; expire
			      3h ; minimum
			     )
       IN  NS     ns1.example.com. ; in the domain
       IN  NS     ns2.smokeyjoe.com. ; external to domain
       IN  MX  10 mail.example.com. ; mail service
; server host definitions
ns1    IN  A      192.168.0.1  ;no geographic map  
mail   IN  A      192.168.1.1  ;no geographic map   
www    IN  A      172.15.1.1   ;geographic map 

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Pro DNS and BIND by Ron Aitchison

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