Underscores in host names

Thu May 19 14:09:09 UTC 2005

On Wed, 18 May 2005 21:51:32 -0000, Paul Vixie said:

(yes, I know this probably belongs on dnsops or someplace)

> just because you own an A RR doesn't make you a hostname.

I'll buy that..

> just because you're pointed to by an MX RR doesn't make you a mailname.

But I'm dubious on that one - what legal configs have an MX pointing at a
non-mailname? (Feel free to include the "technically legal but dumb" options
I'm managing to not remember this early in the morning. ;)

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