On Sun, Oct 28, 2018 at 01:32:51PM +0100, A. Schulze wrote:
> Hello,
>
> RFC 2870 (Root Name Server Operational Requirements) say
>
> 2.7 Root servers SHOULD NOT answer AXFR, or other zone transfer,
> queries from clients other than other root servers.
>
> The update, RFC 7720 (DNS Root Name Service Protocol and Deployment
> Requirements)
> don't even mention AXFR at all.
> All I found is https://tools.ietf.org/html/rfc7720#section-2
>
> o MUST implement core DNS [RFC1035] and clarifications to the DNS
> [RFC2181].
>
> Is AXFR a strict requirement for root-servers today?
There's no requirement for AXFR and some root letters don't serve
AXFR. E.g., L and M don't whereas F does.
Mukund
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