
How to Connect IONOS Domain to Squarespace: Manual Configuration Guide
Connect your IONOS domain to Squarespace manually by following these steps:
Step 1: Start Squarespace Connection
- Go to Domains panel
- Click "I already have a domain"
- Enter your domain name
- Click "Connect Domain"
- Select "Other" from dropdown
- Click "Connect Domain" and "Continue"
- Keep the DNS settings panel open for reference
Step 2: Access IONOS Account
- Log in to your IONOS account
- Locate your domain
- Click "Actions" then "DNS"
Step 3: Remove Existing Records
Delete all existing AAAA and A records from your IONOS DNS settings to prevent conflicts.
Step 4: Add First CNAME Record
- Click "Add Record" > "CNAME"
- Host Name: [paste unique code from Squarespace]
- Points to: verify.squarespace.com
- TTL: 1 hour
- Click Save
Step 5: Add Second CNAME Record
- Click "Add Record" > "CNAME"
- Host Name: www
- Points to: ext-cust.squarespace.com
- TTL: 1 hour
- Click Save
Note: If you receive a CNAME record error, delete any existing www records and retry after an hour.
Step 6: Add A Records
Add four A records with these settings:
- Host Name: @
- TTL: 1 hour
- Points to (add one record for each):
- 198.185.159.144
- 198.185.159.145
- 198.49.23.144
- 198.49.23.145
Important: Disable the extra www record for each entry.
Step 7: Wait for Connection
- Allow 24-72 hours for full connection
- Monitor progress in Squarespace DNS settings
- Check for green labels indicating successful connection
Troubleshooting:
- Use DNS verification tool if domain shows "Unable to verify domain ownership"
- Contact IONOS support for additional assistance
- Don't delete Mail/Email host records to preserve email functionality
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