On 25-Jan-2009, at 12:41 , Al Stu wrote:
"That domain name, when queried, MUST return at least one address record (e.g., A or AAAA RR) that gives the IP address of the SMTP server to which the message should be directed."@ 1800 IN A 1.2.3.4 srv1 1800 IN A 1.2.3.4 mx 1800 IN CNAME blah.xyz.com. @ 1800 IN MX 1 mx.xyz.com. Requirements met.
In the example above, when I query for "IN A mx.xyz.com?" I do not get an address record back (A, AAAA)..instead I get a CNAME record. Requirements NOT met.
I don't see the connection to srv1. Did you mean for "mx 1800 IN CNAME blah.xyz.com." to be "mx 1800 IN CNAME srv1.xyz.com."? That still doesn't meet requirements, because the record returned there as the ANSWER is a CNAME, not an A or AAAA record. I think you might be confusing the ADDITIONAL section of a DNS message with the ANSWER section. They are not the same thing.
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