mail routing error, their problem or mine?

[Michael Voight]

Postmaster wrote:
> 
> # mail -v trnreg at pinesofcarolina.org


> here is the relevant portion of their dns record here:
> 
> pinesofcarolina.org.      IN      A      206.236.182.116
> www.pinesofcarolina.org.  IN      MX      10 pines1.pinesofcarolina.org.
> 
> pinesofcarolina.org.      IN      MX      10 pines1.pinesofcarolina.org.
> 
> www         IN      CNAME      pinesofcarolina.org.
> ftp         IN      CNAME      pinesofcarolina.org.

Well there is no A record for pines1.pinesofcarolina.org.
How is it going to find the mail server, pines1?

Michael