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What to return if a DNS lookup fails?

2004-03-25 08:31:00
Wayne wrote:

Sorry, but I don't understand your table at all.

You have to look at the table by using a fixed pitched font.

What exactly is the difference between what you are proposing and the
current SPF spec?

The currect SPF spec only says what to return if the SPF record lookup
fails.

For example if the A lookup for an 'a' mechanism returns NXDOMAIN, then it
is permant error and the result is 'unknown'. But if the A lookup for an
'exists' mechanism returns NXDOMAIN, then the result is 'no match'.

ys Ramakanta dasa


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