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I have a domain, let's say, example.com hosted on a provider (fast comet). The A record points to a specific and external IP where a website is hosted and the MX record points to an external email provider (it points to example.com.mx.one.com).

The problem is, I currently need to create the SPF, DKIM and DMARC records so we can validate a mailing list service use of the example.com domain.

On the fast comet Cpanel, I don't have any SPF nor TXT record BUT on dig txt example.com I get ;; ANSWER SECTION: example.com. 38400 IN TXT "v=spf1 redirect=_spf.mailhostbox.com"

On fast comet's CPanel Email deliverability tab I have the following message for both SPF and DKIM:

“SPF” is not properly configured for this domain. To properly configure your SPF record, you must include the following mechanisms: This system does not control DNS for the “example.com” domain. You can install the suggested “SPF” record locally. However, this server is not the authoritative nameserver. If you install this record, this change will not be effective. Contact the person responsible for the “ns4.mysafedns.com”, “ns3.mysafedns.com”, “ns1.mysafedns.com”, and “ns2.mysafedns.com” nameservers and request that they update the “SPF” record with the following...

I already checked and those nameservers belong to fast comet and are the default ones.

I am at a loss for what should I do. I already did this procedure on a domain that is on fast comet as well (and has the same nameservers) but uses fast comet's email service and it all went well.

How/Where can I create these records? Where is that SPF record stored if I can't see it on either fast comet nor one.com's panel?

ana.arede
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    Why are you using `redirect`? You probably want an `include` mechanism to pull in your provider's SPF into yours instead, like `v=spf1 a mx include=_spf.mailhostbox.com ~all`. – Synchro Feb 14 '22 at 15:58
  • Correct! The thing is, I can't find that SPF record, it is not on fast comet's CPanel nor on One.com's panel either. Whenever I try to create a correct SPF record using the include I need, it does not take any effect, it doesn't overwrite that ghost record that I can't find anywhere. – ana.arede Feb 14 '22 at 16:01
  • Well, `_spf.mailhostbox.com` serves a perfectly reasonable SPF record; I'd check that your own DNS is actually serving your lookups properly. – Synchro Feb 14 '22 at 16:55

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