Thanks for reaching out about this. When you add your custom domain, a new SSL certificate is automatically created. This process can take up to 48 hours but it sounds like it's been longer which tells us there are likely some settings that aren't quite correct.
To resolve the security error, make sure that your domain record settings are configured correctly. The most common issues with domain configurations are:
If you've made changes to your domain record settings so that they're configured correctly, then it can take up to 48 hours for those changes to take effect. If you still see the security error message after 48 hours, then let me know and we can authenticate you and take a closer look.
Thanks for getting back to me! I've sent an email to both of the emails attached to your respective community accounts. We'll get you authenticated so we can speak openly about the domain settings and discuss next steps.
Hope to hear from you soon, there!
Hi, @shanghairain !
What is the domain that is stuck in pending status? I'd be happy to run a DIG to try and determine what's going on here for you!
All the best!
Hi, @Tallpine !
This could be occurring for a variety of reasons but I'd bet it's one of the following, as posted earlier:
If you've already taken a look through the above documents and checked to make sure everything's looking good, let me know here and we can take a closer look together with our technical support team!
All the best
Hi, @PetalPop !
When you add your custom domain, a new SSL certificate is automatically created. This process can take up to 48 hours. During that time, you might see an error that reads SSL Unavailable in your Shopify admin and you might see a security error in your browser when you visit your online store.
It looks like the domain may have been in a pending state while the SSL certificates were provisioned or you were able to correctly adjust the DNS settings on your own as I am now able to access the website with full SSL security. If you're still having any trouble, don't hesitate to reach back out to me here.
All the best.