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Issues verifying a subdomain for email

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Posted on by James Robe

My team has been working to verify a subdomain (send.massbio.org) for email marketing using the procedures laid out in the Microsoft documentation here. We have had no issues verifying the parent domain and setting up the DKIM records, (MassBio.org), and sending emails using that domain. However, we want to protect the sending integrity of our parent domain, and strongly prefer send.massbio.org. We have never previously used this subdomain for email or any other purposes.

We set up the DKIM records for send.massbio.org. But when trying to verify the subdomain, we are only able to confirm the ownership. (see screen grab). But the status continually states "keys not found on DNS."

Anyone have any ideas for what might be going on? Is there an additional step we need to perform that is specific to subdomains?

Thanks!

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sbtron on at

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Are you still having trouble with this? DNS updates can take upto 24 hours to update.

One way to verify is to make sure that the DNS entry is updated with the appropriate DKIM records.

A tool like this could help check the records - mxtoolbox.com/dkim.aspx

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cloflyMao 25,210 on at

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cloflyMao 25,210 on at

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Hi James,

Try to add an extra CNAME record in your domain DNS setting,

make subdomain points (as alias) to your root domain.

mail.abc.com -> abc.com.

Below are my settins:

In CRM

In my domain DNS setting:

Result:

Try to confirm DNS for multiple times within 5-10 minutes.

You can add two more CNAME records for subdomain for harden email confirmation.

For example, in Email authentication keys for DKIM section,

it will generates such HOST and Value:

Host: namekey1._domainkey

Value: namekey1[subdomain][root domain].marketing.dynamics.com

So we should create 2 CNAME records for subdomain in following format:(append subdomain after namekey_domainkey)

namekey1_domainkey.email -> namekey1email.maoalexbest.marketing.dynamics.com

namekey2_domainkey.email -> namekey2email.maoalexbest.marketing.dynamics.com

Regards,

Clofly

Regards,

Clofly

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sbtron on at

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See Clofly's post for step by step info on setting up the DNS record.

Please reply back here if you are still having issues.

Thanks

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Vincent Groenheijde 205 on at

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You should add the "Email authentication keys for DKIM" to the subdomain (the CNAME records).

More info can be found here:

docs.microsoft.com/.../mkt-settings-authenticate-domains

cloudblogs.microsoft.com/.../

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Camilla Larsson 235 on at

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Hi

I had this status on my subdomain when I was trying to autheinticate it for prefilled use.

The problem for me was that I culd not comibe CNAME and TXT records. Microsoft needed to help me authenticate in the backend. But myabe this is not the same issue with the email authenticateion.

Kind Regards

Camilla

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