DNS help with mx records

Mark_Andrews at isc.org Mark_Andrews at isc.org
Tue May 21 22:49:24 UTC 2002


> - it's unnecessary to have an mx and an a for your mail server, since it
> just points to itself.

	But it is good practice to have it as not all nameservers cache
	negative response.  It also reduce the number of queries that
	have to be made ever with negative caching.

	Mark
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org


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