Connect your 1&1 IONOS domain to Squarespace by following these steps for proper DNS configuration:

Step 1: Start the Connection in Squarespace

1. Open the Domains panel
2. Click "Use a domain I own"
3. Enter your domain name
4. Click "Connect domain"
5. Select "Other" from the dropdown
6. Click "Continue" in the message that appears
7. Keep the DNS settings panel open for reference

Step 2: Access 1&1 IONOS

1. Log in to your 1&1 IONOS account
2. Locate your domain in the list
3. Click Actions > DNS

Step 3: Delete Existing Records

1. Set filter to "Show all records"
2. Remove all AAAA and A records
3. Click the trash icon and confirm deletion

Step 4: Add First CNAME Record

1. Click "Add record" > CNAME
2. Enter the unique code from Squarespace in "Host Name"
3. Enter "verify.squarespace.com" in "Points to"
4. Keep TTL at 1 hour
5. Save changes

Step 5: Add Second CNAME Record

1. Click "Add record" > CNAME
2. Enter "www" in "Host Name"
3. Enter "ext-cust.squarespace.com" in "Points to"
4. Keep TTL at 1 hour
5. Save changes

Step 6: Add A Records

Add four A records with the following settings:

• Host Name: @
• Points to (add one record for each):
  • 198.185.159.144
  • 198.185.159.145
  • 198.49.23.144
  • 198.49.23.145
• TTL: 1 hour
• Disable additional www record for each

Step 7: Wait for Connection

1. Allow 24-72 hours for propagation
2. Monitor progress in Squarespace DNS settings
3. Check for green checkmarks in Current Data column

Troubleshooting:

• If you see "Unable to verify domain ownership," use the DNS record verification tool
• Contact IONOS support if you need additional assistance
• Don't delete Mail or Email host records to maintain email service

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