First, The domain name will be cached upon first visit. Only hitting Ctrl-F5 will force a re-query of the dns.
Secondly, all relative links are converted by the browser to absolute when they are passed for the page request.
So either way is the same really (in terms of speed)
Secondly, all relative links are converted by the browser to absolute when they are passed for the page request.
So either way is the same really (in terms of speed)