Re: [Doh] [Ext] DNS Camel thoughts: TC and message size

Ray Bellis <ray@bellis.me.uk> Thu, 07 June 2018 21:21 UTC

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From: Ray Bellis <ray@bellis.me.uk>
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Subject: Re: [Doh] [Ext] DNS Camel thoughts: TC and message size
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On 06/06/2018 23:42, Paul Hoffman wrote:

> Similarly, there is no restriction on the total length of a TXT
> record.

Yes, there is.

Every RR is constrained in size by the 16 bit RDLENGTH field.

Ray

p.s. count this as another vote for requiring the DOH limit to be 65535
(when represented in binary format)