-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 2011-09-28 9:36 AM, feralert wrote: > Thanks Jeff, > > But I really only wrote that as an example :) . The real question > is what is best or what is recommended, two A RR (one for domain, > one for www) or a single A RR for domain and a CNAME RR for www, is > one way better than the other or can I choose either way?
Choose either way. If they are in the same domain, in general it won't matter all that much. I personally prefer the address method so each DNS request is smaller and absolute, but others prefer the CNAME method. If you cross a zone, however, remember that the address method does not require additional DNS queries to be sent, while the CNAME method would. That said, I believe most CDN type networks require a CNAME as the addresses a specific user would get varies greatly, so that lookup is not much of an impact it seems. - -- - --Michael ISC offers support on many of its products, including BIND 9. If you depend on it, depend on us! See http://www.isc.org/support/ for all the details. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk6DNCQACgkQLdqv0r6eD6a83gCdEFlS+pvqQPo8UKJfJPGD+d4T xsMAnjusN2fMbBwfvXqhSD24peDH1r5D =8rLm -----END PGP SIGNATURE-----
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