Same host or different? How can you tell "over the wire"?

[Ronald F. Guilmette]

In message <4DB72389-D167-4152-A15F-4710C54B2E1A at your.org>, 
Kevin Day <kevin at your.org> wrote:

>Does the ssh-keyscan tool do what you want?

I never knew about that tool until now.  But yes, indeed, that may be
the exact kind of magic I was looking for.

Thank you.