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Can MX record be an IP?
Can MX record be an IP instead of a hostname?
amazingly competent email, dns, and web hosting
... because someone has to!
Because Simple Things Should Be Simple -
I don't think so..
Just make an A record like mail01(.domain.com), and the MX record as mail01
Yes you can
Just point the MX record to an A record
We do it a lot and we don't encounter any issues.
I think mark s has mentioned the same?
Right. But the answer to his question is plainly "No"; I simply gave the best alternative.
Pointing the MX record to an A record will work, I agree with this but some ISPs will not forward mail to mail servers which have an IP address in the MX record’s data field instead of the required hostname such as mail.domainname.com
FYI: dyndns.org NOW prevents putting an IP address into the MX record under any circumstances.
Live Your DreamZ
Stupid questions, but why to use IP ?
The MX record
can be an IP Address, but it should not be.
As besty has mentioned, and our client has actually faced this issue, because most of the MailServers does not send messages to the domains which have an IP for the MX record.