Question

Reverse DNS For Subdomain

Posted October 24, 2013 4.2k views
We run our main site off a subdomain and are getting emails (sent with sendmail) bounced with error: 554 IP name lookup failed. No PTR record found. It looks like the fix is to rename the droplet to the correct hostname. https://www.digitalocean.com/community/questions/dns https://www.digitalocean.com/community/questions/how-do-you-update-reverse-dns My question is whether my hostname should be site.com or prod.site.com, remember that people access prod.site.com. One of those links says mail.site.com.

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1 answer
Rename your droplet to mail.site.com and create an A record for mail.site.com
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