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Proper rDNS for mail server, multiple IPs

Discussion in 'Site & Server Administration' started by KillaKeith, Sep 17, 2014.

  1. #1
    I have a dedicated server with a /29 block. I have certain sites using dedicated IPs. I have MX entries for mail.eachdomain.tld and the dedicated IPs are failing rDNS on some servers. Should I be setting the PTR records for all the IPs to mail.hostname.tld? Or should it work with mail.domain.tld?
    SEMrush
     
    Solved! View solution.
    KillaKeith, Sep 17, 2014 IP
    SEMrush
  2. #2
    Hello, set either hostname.tld or mail.domain.tld, don't use mail.hostname.tld as it is an incorrect PTR entry.
    After you set the correct PTR, you have to wait for 2-12 hours till the entry gets updated on the server.
     
    hosting_spec80, Sep 19, 2014 IP