SSL certificate

[vkolejak-collab]

🏷️ Discussion Type

Bug

💬 Feature/Topic Area

Issues

Body

My GitHub Pages site at vkolejak-collab/michal-kolejak.github.io has a custom domain michalkolejak.sk. DNS check is green but SSL certificate has not been issued and Enforce HTTPS remains unavailable. I have tried removing and re-adding the custom domain multiple times but the issue persists. Could you please manually trigger the certificate issuance?

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[sahilatahar]

Your website has an SSL Certificate. It can take some time to generate an SSL certificate. For quick SSL certification deployment, use Netlify or Vercel for your website for free and to more easily manage it.

[sajansinghthakuri]

What you can do is verify the exact conditions GitHub requires before it will issue the certificate. The most common reason for “DNS check successful” but “Enforce HTTPS unavailable” is that one or more DNS records still don’t exactly match GitHub’s expectations, or there’s a conflicting AAAA/CNAME record cached somewhere.

For a custom apex domain like michalkolejak.sk, GitHub expects:

A records pointing to:
185.199.108.153
185.199.109.153
185.199.110.153
185.199.111.153

And for www.michalkolejak.sk:

a CNAME to:
vkolejak-collab.github.io

Also check these carefully:

Remove any AAAA (IPv6) records unless they point to GitHub Pages IPv6 endpoints.
Remove any conflicting A/CNAME records from old hosting providers.
Ensure Cloudflare proxying is OFF (“DNS only”) if using Cloudflare.

Confirm the repository contains a valid CNAME file with exactly:

michalkolejak.sk
Wait at least 30–60 minutes after the final DNS correction before retrying.

You can also try forcing a rebuild:

Go to:
Settings → Pages
Change branch temporarily (or disable/re-enable Pages)
Save
Restore original branch
Save again

If the configuration is already correct and the certificate still does not issue after several hours, the next step is to contact GitHub Support because only GitHub staff can inspect or manually reset the Pages certificate provisioning backend for your domain.