If Lovable's custom domain name doesn't work, the most common blocking is not "the platform isn't configured", but three very specific preconditions are not met: the project hasn't been officially released, there are AAAA records in the DNS that interfere with the route, or you have changed the A record for verification during manual configuration, causing the domain name to get stuck in Verifying.
Lovable's current documentation is actually very complete. First, even if the domain name is connected in advance, it will not actually start serving content as long as the project has not yet been published. Second, before connecting to a custom domain name, it specifically reminds you not to keep AAAA records, because IPv6 routes may deflect traffic, resulting in you seeing old, empty, or not live at all. Third, if you go through manual setup, the A and TXT records provided during the verification stage cannot be changed randomly, and do not open the proxy in advance.
The most practical order of troubleshooting suggests going like this:
1. First, confirm whether the project has been published and is not unpublished.
2. Check with your DNS provider for redundant AAAA records.
3. If it is manually configured, confirm that the A record still points to the address given to you by Lovable, and do not open the proxy until the verification is complete.
4. Use the DNS checker tool to confirm that the resolution has taken effect.
If you encounter "the domain name shows not the new site, but the old page or other website", the document also names a high-frequency reason: AAAA records cause traffic to bypass the intended target. This pit is especially common because many people only stare at A and CNAME when moving stations, completely forgetting about IPv6.
In addition, DNS propagation could have taken anywhere from a few hours to 72 hours. As long as the record is correct and there is no live in a short period of time, it is not necessarily a fault. But if you're stuck on Verifying, prioritize checking if you opened a Cloudflare proxy or changed your A record during verification.
Therefore, the Lovable custom domain name does not take effect, so don't delete the domain name repeatedly and re-add it. After checking the three things "published, no AAAA, and validation record not changed", the problem can usually be located.
