how to enable "extended dns error" option in bind?

ph flag

I want to use "extended dns error" option on my recursive dns server. What config changes are required to enable EDE?

I am using BIND 9.16.18 as recursive server.

cn flag

You can't (enable Extended DNS Error codes aka RFC 8914) in current (september 2021) versions of Bind.


The feature is still being worked on, so it doesn't exist yet.

The current label on it is 9.19 so you might get that feature when that version of Bind is released, and you will then need to update your 9.16.18 version.

If you don't have a real specific constraint on Bind, other software do have it, for example nsd (see

Sachchidanand Upadhyay avatar
ph flag
I want to use this feature on recursive and found that unbound doesn't not supported this feature as nsd is for authoritative.
Patrick Mevzek avatar
cn flag
`unbound` is a recursive nameserver, as sibling of `nsd` and it fully supports RFC8914:

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