Getting DKIM failed message from tools such as easydmarc.com on Workmail

Question

Hello,
I have a domain setup with AWS workmail and AWS SES. As you can see in the image below I have setup all the DKIM domain names in namecheap verified by AWS. 
![Enter image description here](/media/postImages/original/IMgL9gRqXMTc2nvXw4sPmCDw)

As an example I sent an email to a gmail account. here is gmail passing dkim
![Enter image description here](/media/postImages/original/IMDxY6SHVbTHaiiZYSpgSzuQ)

When running dig command on those CNAME records they all return results as well

```
dig CNAME +short recordname._domainkey.Mydomain.com
```

now when I use tools like easydmarc.com to check for DKIM I get these errors. I have double checked the values are correct in name cheap. Is there any way I can fix this so tools like easydmarc can recognize my DKIM? (even though it seems like DKIM is setup properly )
![Enter image description here](/media/postImages/original/IMieZ4Y1BNS1-w0WjBpxuOSw)

Answer

Having exactly the same issue – on several verification services. Once I manually enter the DKIM selector, most services find the appropriate DKIM value. But auto-detection of the DKIM selectors fail.

Getting DKIM failed message from tools such as easydmarc.com on Workmail

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