MX record in zone file

[Sam Varshavchik]

Rudolf Amirjanyan writes:

> Hello,
> 
> In DNS records, I.E zone file, is it possible to write IP address of the
> mail server instead of host domain name?
> like:
> 
> DOMAIN.COM in mx 10 123.123.123.123.

No.  This violates RFC 1035.


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