After verifying sub domain cert nothing shows up


I have created a cert for a subdomain by going through Custom Domains and SSL Certificates · Fly Docs. Everything looks to be setup and verified in the cli and the Dashboard, but when I go to the subdomain nothing shows up. Looking at the certs and DNS everything is in order, I’m not sure what I’m missing.


I would suspect this is because you have a “.” in the app’s name. Unless things have changed, I don’t think that is allowed :thinking:. Since the app’s name is the sub-domain of so e.g

If I look up the DNS using e.g Dig (DNS lookup) returns a CNAME to

But … does not return any DNS result. Hence your browser being unable to find it.

In which case the solution is to name your app e.g portalridgetop, portal-ridgetop or something like that and so you would then have a valid subdomain to route to.

Hi Greg,

Thank you for your quick response, and especially on a Sunday!

I see what you are saying, I’m looking into the CNAME records now. I’m sure updating them would resolve this. Thanks for your time!

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