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Can I configugure multiple Dmarc?

by calvynlee
19 replies
Dear,

I am using cloudflare dns management

I am using few smtp provider, each of them had their own sfp, dkim and dmarc.

I know I can configure multiple SFP, and DKIM in my DNS, but when I try to configure another DMARC, it shows error: An A, AAAA or CNAME record already exists with that host. (Code: 81053)

I found that my hostname _dmarc and value to_dmarc.FirstProvider.com

how can I add in _dmarc.SecondProvider.com ?
#configugure #dmarc #multiple
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  • Profile picture of the author correcthorsebatterystaple
    Are you adding it as a TXT record?
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  • Profile picture of the author calvynlee
    I am adding it as CNAME, instruction given by the smtp service provider
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    Calvyn Lee | Digital Marketing Trainer
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  • Profile picture of the author correcthorsebatterystaple
    You can't have multiple CNAMEs with identical hosts. That's not how CNAMEs work. Use a different host (subdomain) for the second provider
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  • Profile picture of the author calvynlee
    _dmarc will be the hostname provide by both provider.

    is there any way to combine both value as 1?

    just like spf where it can combine different provider together.
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    Calvyn Lee | Digital Marketing Trainer
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  • Profile picture of the author correcthorsebatterystaple
    No, CNAME doesn't work like that. DNS is not a load balancer.
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    • Profile picture of the author calvynlee
      Originally Posted by correcthorsebatterystaple View Post

      No, CNAME doesn't work like that. DNS is not a load balancer.
      both service provide had the same host name, _dmarc, just different value

      any suggestion how to configure it in?
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      Calvyn Lee | Digital Marketing Trainer
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  • Profile picture of the author PurePay
    One per domain would be best, and also probably was is doable as it wants to be used as dmarc.domainname.com
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  • Profile picture of the author Neha Rajbhar
    Enter DMARC, "Domain-based Message Authentication, Reporting & Conformance". DMARC was created to tell a participating receiving server what to do with a message that fails both SPF and DKIM validation. In other words, what to do if a message claims to be from you, but isn't.
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  • Profile picture of the author calvynlee
    is it without setting a proper DMARC is fine?

    As long as SPF and DKIM set properly, DMARC can be optional?
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    Calvyn Lee | Digital Marketing Trainer
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  • Profile picture of the author CloudAnalogy
    NO you can not but if you want to use you need different platform for that.
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  • Profile picture of the author ramonavandusen
    If you want to do that you should use different platform.
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    • Profile picture of the author calvynlee
      Originally Posted by ramonavandusen View Post

      If you want to do that you should use different platform.
      mind to elaborate which platform to use?
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      Calvyn Lee | Digital Marketing Trainer
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  • Profile picture of the author georgemile33
    Banned
    [DELETED]
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    • Profile picture of the author calvynlee
      Originally Posted by georgemile33 View Post

      Nice Post! I also read your blog and I very impress and I'll go to bookmark your website.
      thank and hope you get some value there.
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      Calvyn Lee | Digital Marketing Trainer
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  • Profile picture of the author rafimahmudbd24
    I realize I can design different SFP, and DKIM in my DNS, however when I endeavor to arrange another DMARC, it demonstrates mistake: An, AAAA or CNAME ...
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  • Profile picture of the author rafimahmudbd24
    No, you don't should be an individual from DMARC.org so as to be ensured by DMARC. As a sender, you essentially need to start distributing a DMARC record, and as a recipient you can start to follow up on DMARC approach assertions when you're prepared. The dominant part of DMARC deployers are not DMARC.org Members.
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  • Profile picture of the author ncodetech
    There has been a lot of discussion of a DMARC DNS record type, but there is no process underway right now to create one. There are many reasons for that, but the simplest is that a TXT entry is an immediate path to DMARC implementation.
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  • Profile picture of the author BrownJames
    Yes, you can have multiple reporting addresses in your DMARC record. According to the DMARC specification, there is no limit to reporting addresses.
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  • Profile picture of the author Mikena Karl
    Indeed, you can have various announcing addresses in your DMARC record. As per the DMARC particular, there is no restriction to revealing locations
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