Dave Crocker wrote:
I now can't tell whether the focus is on an NXDomain for the
_adsp.<domain> string that is queried for ADSP, or the <domain>
name to which it is associated.
For dom.example following draft-ietf-dkim-ssp-03#section-4.2.2:
1: dig -ttxt _adsp._domainkey.dom.example. : NXDOMAIN => try 2 + 3
2: dig -tmx dom.example. : NXDOMAIN => "nxdomain"
3: dig -ttxt _adsp._domainkey.example. : NXDOMAIN => "unknown"
These are separate queries.
And separate results, yes. Steps 1 and 2 could be swapped, and
step 3 is rather dubious, a slightly different approach could be:
1' dig -tmx dom.example. : NXDOMAIN => "nxdomain"
2' dig -ttxt _adsp._domainkey.dom.example. : NXDOMAIN => "unknown"
Frank
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