Kevin Darcy <k...@chrysler.com> wrote:
> Potentially dumb question: what does this "magic meaning" MX target (".")
> offer, that a target resolving to a null address (0.0.0.0 and/or ::0) does
> not? No protocol or code changes required.
A target of "." causes an immediate permanent failure, whereas a tagret
that resolves to 0.0.0.0 is likely to cause retries and eventual timeouts.
> The null address does, after all, mean "no service offered here".
No, it means "this host" - see RFC 3330.
Tony.
--
f.anthony.n.finch <d...@dotat.at> http://dotat.at/
Fisher, North German Bight: Northeast 3 or 4. Smooth or slight. Fair. Good.
_______________________________________________
DNSOP mailing list
DNSOP@ietf.org
https://www.ietf.org/mailman/listinfo/dnsop
