Re: [DNSOP] valid value range for SOA REFRESH/RETRY/EXPIRE

神明達哉 <jinmei@wide.ad.jp> Thu, 17 October 2019 23:46 UTC

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Date: Thu, 17 Oct 2019 16:46:22 -0700
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To: Mark Andrews <marka@isc.org>
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Subject: Re: [DNSOP] valid value range for SOA REFRESH/RETRY/EXPIRE
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At Fri, 18 Oct 2019 10:25:29 +1100,
Mark Andrews <marka@isc.org>; wrote:

> > one obvious interpretation is that REFRESH/RETRY/EXPIRE are signed 32
> > bit integers.
>
> They are all intervals.  How do you have a negative interval?

I actually didn't expect they can be negative.  My main question is
whether values larger than 2^31-1 should be considered valid.

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JINMEI, Tatuya