Re: CNAME related queries...
Matthew Dempsky <[email protected]>
| Newsgroups | gmane.network.djbdns |
|---|---|
| Message-ID | <[email protected]> |
On Thu, Apr 23, 2009 at 11:45 PM, Shinoj V Gangadharan <[email protected]> wrote: > I am planning to setup a CNAME like : It would be better for clients if you can just publish the records under both names. It will save them having to restart their queries. > aaa.mydomain.com CNAME aaa.myotherdomain.com > > 1. aaa.myotherdomain.com has mx and txt records for spf. I am assuming > that these mx and txt records will also work for aaa.mydomain.com . Is > this correct? I could not find anything against this kind of setup in my > search. Yes and no. Recursive MX/TXT queries for aaa.mydomain.com will return a CNAME record pointing to aaa.myotherdomain.com along with aaa.myotherdomain.com's MX/TXT records, but you should be aware that SMTP requires clients to rewrite [email protected] to [email protected] before sending it. This may or may not be a problem for you. > 2. I also want to add : > > bbb.aaa.mydomain.com CNAME bbb.myotherdomain.com > > Will this be a violation of the rule against co-existance of CNAME with > other records? Asking because aaa.mydomain.com is already a CNAME > record. No, this does not violate that rule.