Can I map my custom domain to an application deployed with Catalyst Slate?
How can I manage environment variables for my applications on Catalyst Slate?
Which front-end frameworks can I deploy in Catalyst Slate?
Can I preview my deployments on Catalyst Slate before making them live?
How does Catalyst Slate ensure the security of my applications?
Can I deploy my application to Slate using the CLI, just as I would with other applications?
Can I deploy applications that are not hosted in my private Git repository using Slate?
Why is my application hosted on a custom domain not accessible, and what could be the possible reason?
Can I map a root domain such as zylker.com, without www, to my Catalyst Slate app?
No. Catalyst Slate custom domains work with subdomains, such as www.zylker.com or app.zylker.com, not with a root domain. The mapping uses CNAME records, and many DNS providers do not allow a CNAME record on a root domain. Map a subdomain, then redirect the root domain to it at your DNS provider.
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In your Slate app, open the deployment’s Deployment Overview and click Add Domain in the Domain Mapping section.
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Enter a subdomain such as
www.zylker.comand click Next. -
Add the Step 1 and Step 2 values as CNAME records at your DNS provider, clicking Verify after each.
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Click Request to request the Group SSL certificate.
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At your DNS provider, set up domain forwarding from
zylker.comtowww.zylker.comover HTTPS.
Note: The Catalyst certificate covers only the subdomain you mapped, so opening the root domain over HTTPS shows a certificate error unless your DNS provider serves the redirect over HTTPS.
Refer to the Custom Domains help page for more information.
Why does my Slate custom domain fail Step 2 with 'CNAME record of www is not verified' when the record already resolves?
In Catalyst Slate, Step 2 passes only when you click Verify and Catalyst finds the second CNAME record with exactly the host name and value shown under Step 2. Catalyst checks the record when you verify, so if your record is correct and resolves publicly, verify Step 2 again.
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In the deployment’s Deployment Overview, open the domain in the Domain Mapping section.
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Compare your record with the Step 2 host name and value, character for character. If your DNS provider adds your domain to host names automatically, enter only the part before your domain.
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Create it as a CNAME record, not an ALIAS, ANAME or URL redirect record. If your provider proxies records, set it to DNS only.
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Click Verify for Step 2. When both steps are verified, click Next, then Request to request the SSL certificate.
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If Step 2 still fails, contact Catalyst support with the domain, the app and deployment, the exact error and a screenshot of your DNS records.
Refer to the Custom Domains help page for more information.
Last Updated 2026-11-11 09:43:25 +0530 IST
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