Reverse dns should follow hostname or domain name? Plus is A record required?
Droplet hostname = mail.company.com whereby
company.com = landing biz page and
abc.company.com = for [client abc] and xyz.company.com = for [client xyz] etc.
Q1) Should my reverse dns be company.com OR mail.company.com?
Q2) Do i need to create a => A record : [mail] [droplet IP] if my reverse dns is mail.company.com ?
e.g. reverse dns=hello.company.com : A record : [hello] [droplet IP]
even if hello.company.com is not serving any webpages
Thanks in advance.
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