Why two lookups for a CNAME?

[Steve Arntzen]

Thank you all for the suggestions.

Prefetch sounds like a good solution and still provides the designed behavior
for integrity.  I see Bind 9.10 introduces “prefetch” and I will look into it.

Until we change or upgrade, a simple solution may be our own prefetch (periodic
lookup) of popular CNAMES (as we see them in logs).

I will share the options and suggestions to those who decide.

(sorry for the TOFU)

Steve.



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