- Short answer
- Yes: delete the root AAAA record and switch subdomain CNAMEs from shops.myshopify.com to shops-v4.myshopify.com; Shopify doesn't recommend it.
- What you give up
- The benefits Shopify lists for IPv6: a slight performance gain for some customers and improved resiliency.
- Before you delete
- On a Shopify-managed domain, removing or changing A, AAAA or CNAME records can break its connection to Shopify.
- Conflict to expect
- Shopify's troubleshooting checklist still expects one AAAA record pointing to 2620:0127:f00f:5::
- Propagation
- DNS changes: up to 48 hours to propagate (troubleshooting guide); up to 24 hours to take effect (Shopify-managed DNS page).
When does Shopify say turning off IPv6 makes sense?
Shopify's IPv6 support page names two cases: a third-party service or an integration that doesn't support IPv6-formatted client addresses. It lists no other reason.
What you give up are the benefits it lists: a slight increase in performance for some customers and improved resiliency.
Because of the benefits of IPv6, deactivation isn't recommended.
How do you turn off IPv6 for a Shopify domain?
IPv6 is on automatically for domains bought through or transferred to Shopify. On a third-party domain, the AAAA record turns it on for the root domain and for subdomains whose CNAME points to shops.myshopify.com.
So deactivation takes two changes: remove the root domain's AAAA record, and change those subdomain CNAMEs to shops-v4.myshopify.com. Neither touches the A record. Edit in Shopify's DNS settings or your provider's, depending on who manages the domain's DNS.
Which Shopify checks expect an AAAA record, and how do you undo the change?
The IPv6 page says to remove the AAAA record, but Shopify's domain troubleshooting checklist asks for only one A record and only one AAAA record, and its SSL checklist expects one pointing to 2620:0127:f00f:5::. If a certificate stays pending, see what to check when SSL pending lasts past 48 hours.
To reverse it, restore that AAAA record and the shops.myshopify.com CNAMEs. DNS changes can take up to 48 hours to propagate, per Shopify's troubleshooting guide; its DNS settings page for Shopify-managed domains says up to 24 hours to take effect. Full record set: which DNS records point a custom domain to Shopify.
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