Full write-up: https://www.stramaxon.com/2026/08/bulk-add-dns-squarespace.html
Squarespace doesn’t currently provide a practical bulk-add UI for DNS records. If you need to add dozens of records, you can use the same internal endpoint Squarespace’s DNS interface calls from your authenticated browser session.
- Log into Squarespace and open the domain’s DNS settings.
- Open DevTools → Network.
- Add one DNS record manually.
- Find the request to: