On Wed, Oct 04, 2023 at 04:46:42PM +0200, Martin Wismer wrote:
> we could get answer from all of the dhl.com NS RR TXT. It's a big
> Answer, biger than 2200 Byte. May be they have rate-limit's on it.
That's not the issue. The OP also reported that answers arrive when no
EDNS options are used (no NSID and no COOKIEs), but EDNS option
intolerance is EDNS-noncompliance. Unsupported options must be simply
ignored, rather than cause the query to be dropped.
--
Viktor.
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