Reverse lookup not working Reverse lookup not workin...

Topic: Reverse lookup not working

Post Reverse lookup not working
by simon hesson on 2017年5月2日

Hi,
I have a synology server which is having trouble sending out emails, i have traced the problem to that i haven't setup reverse dos lookup. Unfortunately i don't know how to do this, i have set up a PTR record for one of my domain names but this doesn't seem to work.

Thanks

Simon

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Post Re: Reverse lookup not working
by timothytw on 2017年5月3日

simon hesson wrote:Hi,
I have a synology server which is having trouble sending out emails, i have traced the problem to that i haven't setup reverse dos lookup. Unfortunately i don't know how to do this, i have set up a PTR record for one of my domain names but this doesn't seem to work.

Thanks

Simon
PTR record for an IP address maps an IP address to a hostname. It requires that you have a static IP address and have your ISP setup the PTR record.

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2020年9月23日 17:33
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