On Tue, Apr 22, 2003 at 07:26:45PM -0500, David Phillips wrote: > CNAMEs are generally a bad idea. In most cases, they force an extra DNS > query, which increases latency and makes both the resolver and content > server do more work. I could blink twice or so in the time it will take. > Another problem is that a CNAME cannot exist for a name if there are any > other records for that name, regardless of the type. This means you can't > have both a CNAME and an MX record for a name. CNAMEs should never be used > with mail: > > http://cr.yp.to/im/cname.html I'm starting to wonder if djb has penis envy, he's (once again) bashing sendmail. > > If at all possible, use multiple A records instead of CNAMEs. This is easy > to do with good DNS software. The tinydns data format makes it easy to > replace names with IP addresses using standard UNIX tools when the database > is generated. MyDNS has native support for server side aliases. It's easy to do with just about any DNS software. Are you being paid to market djb's software? > -- > David Phillips <david at acz.org> > http://david.acz.org/ -- Matthew S. Hallacy FUBAR, LART, BOFH Certified http://www.poptix.net GPG public key 0x01938203 _______________________________________________ TCLUG Mailing List - Minneapolis/St. Paul, Minnesota http://www.mn-linux.org tclug-list at mn-linux.org https://mailman.real-time.com/mailman/listinfo/tclug-list