[dns-operations] DNS version request

[Xun Fan]

Yup, the only thing close is a setup on L root by Joe Abley couple years ago for the server id (not version).
By querying IDENTITY.L.ROOT-SERVERS.ORG IN TXT, the server id of L root can be retrieved through resolver.
But I don't think there is a query for server version of L root.

There is actually a RFC about various ways to retrieve server identity https://tools.ietf.org/html/rfc7108


________________________________
From: dns-operations <dns-operations-bounces at dns-oarc.net> on behalf of Dave Lawrence <tale at dd.org>
Sent: Wednesday, November 21, 2018 8:36 AM
To: Andrew Sullivan
Cc: dns-operations at lists.dns-oarc.net
Subject: Re: [dns-operations] DNS version request

Andrew Sullivan writes:
> Do you mean you want the NSID data for a different server than the one
> you are talking to?  If that's what you mean, then I don't believe you
> can do that, no, because you get that by EDNS and that's hop by hop.

And in the case of CHAOS class queries like version.bind, they're also
handled local to the responding server.  While I won't make the bold
claim that there's no DNS server software out there that might forward
them to some other server, the ones I know of just handle it in a
separate path that never sees forwarding or recursing.
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