This is a discussion on Reverse DNS within the Linux Networking forums, part of the Linux Forums category; Hi. How can I make sure that my mail server have reverse DNS? Jacob...
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"friis" <webcom.dk@gmail.com> writes:
> How can I make sure that my mail server have reverse DNS? Use either one of host(1), dig(1) or nslookup(1) to verify that your mail server has reverse DNS. If it doesn't you probably have to talk to your system administrator or your ISP depending on how you do things at your site. -- Jacob |
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"friis" <webcom.dk@gmail.com> writes:
> If my mail server have the hostname smtp.myname.com how can I check > that I have rdns? Get the IP address of your mailserver by typing 'host smtp.myname.com'. Let's say it returns 1.2.3.4. Then you type 'host 1.2.3.4'. It will either fail or give you the reverse DNS name for your mail server. Another time, don't obfuscate DNS names. It's much easier to help you if you don't. -- Jacob |
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