Does EDNS0 work with bind-9.10.3-P2?

Sury Bu bushurui at
Wed Jan 6 06:35:37 UTC 2016

Hi Mukund,

Thanks for your reply, and do you know what bind version will support ECS

On Tue, Jan 5, 2016 at 11:08 PM, Mukund Sivaraman <muks at> wrote:

> Hi Sury
> On Tue, Jan 05, 2016 at 10:50:39PM +0800, Sury Bu wrote:
> > I installed the latest version of bind-9.10.3-P2 but when I using dig
> > EDNS feature with +subnet, I found my local DNS can not carry client
> > subnet, does this version support EDNS0 now?
> 9.10 branch as no support for ECS except dig allowing +subnet to be
> specified. There is no support in named.
> master branch has prelimnary support for authoritative side of ECS, but
> the draft is still not finalized and there are some differences from the
> current draft.
> There is no support currently for ECS in the resolver, either in the
> cache or even to handle that option.
>                 Mukund
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