Question about MX record
Cricket Liu
cricket at nxdomain.com
Fri Jul 20 22:00:07 UTC 2001
> I had a request for any RFC, or reference material, that says
> that a zone MX record must point at a host record instead of an IP
address.
> We discovered a zone that had just the IP address in the MX record,
> and we couldn't do a forward lookup on that IP address to trade e-mail.
> Our firewall sendmail process saw the IP address as a sub-domain name
> because
> of the dots in the address.
RFC 1035, section 3.3.9.
cricket
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