Linode DNS Manager and ProtonMail

I'm trying to set my domain on my ProtonMail account however it seems I'm unable to set DNS records properly. Any advice in here?

I've a TXT record:

Name: <blank>Value: protonmail-verification= <my_verification_code>TTL: Default</my_verification_code></blank> 

when I check my domain on ProtonMail setting it says "Verification did not succeed, please try again in an hour." , more than 24 hours are already passed.

Same problems with the SPF record, DKIM and DMARC. I added a TXT record for them:

Name: <blank>Value: v=spf1 include:_spf.protonmail.ch mx ~all
TTL: Default</blank> 
Name: protonmail._domainkey
Value: v=DKIM1; k=rsa; p= <my_domain_key>TTL: Default</my_domain_key> 
Name: _dmarc
Value: v=DMARC1; p=none; rua=mailto: <my_email>TTL: Default</my_email> 

Do you have a domain DNS managed by Linode and used in ProtonMail? Can you give me any advice?

Thanks in advance for your reply.

5 Replies

What domain is this for? We can inspect your DNS records and advise you better.

@derfy:

What domain is this for? We can inspect your DNS records and advise you better.

My bad, the domain is yellowbox.io, I'll use it for a simple landing page and for email (ProtonMail) purposes.

````
emestee@bg-ops:~$ dig txt yellowbox.io +short
"protonmail-verification=b24024f72640e7cea414f779578fc8360d03deaf"
"v=spf1 include:_spf.protonmail.ch mx ~all"

````

Same with the DKIM/DMARC - the records are there. If protonmail isn't resolving those correctly, my guess is they have a problem with their upstream forwarder. That being said your TTL could be a bit lower.

If it still happens ask them to authenticate manually.

@emestee:

If protonmail isn't resolving those correctly, my guess is they have a problem with their upstream forwarder. That being said your TTL could be a bit lower.

If it still happens ask them to authenticate manually.

I'll do that, thanks. I left the TTL on default, is 3600 better?

Yeah, you can always raise it later when stuff is stable.

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