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Root Zone Mirror/Cache - How?

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Hi All,

I am hoping you can shed some light on this one:    In Bind or PowerDNS you can pre-fetch the root zone to your recursive servers so that you effectively remove the initial query to the root as it's held in cache.  This is a great idea for busy recursive servers and as above it can be done on Bind and PowerDNS however I couldn't find how it could be done on Infoblox does anyone have any idea?

For example on PowerDNS:

-- Bootstrap Root Zone into Cache (Every 8 Hours)
zoneToCache(".", "url", "", {​​​​​ refreshPeriod = 28800 }​​​​​)


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