DNS Record to Connect Shopify to SiteGround

Topic summary

Issue: A site with a domain registered/hosted on SiteGround and storefront on Shopify has not loaded properly for the past week, showing visitors a “Site is not secure” warning.

Responsibility dispute: Shopify attributes the problem to SiteGround, while SiteGround points back to Shopify.

Possible cause: A third party suggested it may be a DNS issue (DNS = Domain Name System records that direct a domain to the correct service).

User request: Seeks step-by-step instructions to check the domain/DNS setup to identify what’s misconfigured.

Status: Unresolved; no troubleshooting steps or resolution provided in the thread.

Summarized with AI on December 12. AI used: gpt-5.

My domain is registered / hosted with SiteGround and run on Shopify.

For the past week my site won’t load properly and visitors are getting the message “Site is not secure”. Shopify is telling me it is a SiteGround problem and SiteGround is telling me it is a Shopify problem.

Someone said it is a DNS problem.

Are there step by step instructions somewhere that I can check so I can see what is wrong in my setup?