Manually Connect a 1&1 IONOS Domain to Squarespace: Step-by-Step Guide

Manually Connect a 1&1 IONOS Domain to Squarespace: Step-by-Step Guide

By Michael Chen

March 15, 2025 at 10:05 PM

Connect your 1&1 IONOS domain to Squarespace manually by following these simple steps:

  1. Start the Connection in Squarespace
  • Go to Domains panel
  • Click "Use a domain you own"
  • Enter your domain name
  • Click "Connect domain"
  • Select "Other" from dropdown
  • Click "Continue"
  • Keep the DNS Settings panel open for reference
  1. Access Your 1&1 IONOS Account
  • Log in to 1&1 IONOS
  • Locate your domain
  • Click "Actions" then "DNS"
  1. Remove Existing Records
  • Filter to "Show all records"
  • Delete all existing AAAA and A records
  1. Add First CNAME Record
  • Click "Add record" then "CNAME"
  • Hostname: [paste unique code from Squarespace]
  • Points to: verify.squarespace.com
  • TTL: 1 hour
  1. Add Second CNAME Record
  • Click "Add record" then "CNAME"
  • Hostname: www
  • Points to: ext-cust.squarespace.com
  • TTL: 1 hour
  1. Add Four A Records Add the following A records one by one:
  • Hostname: @ (for all records)
  • Points to (add 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

Screenshot of instructions

Screenshot of instructions

Important Notes:

  • Connection can take 24-72 hours to complete
  • Don't delete Mail or email host records
  • Monitor connection progress in Squarespace DNS settings
  • Use DNS verification tool if you see "Unable to verify domain ownership"

If issues persist after 72 hours, contact 1&1 IONOS support or check Squarespace's Domain Connection Troubleshooting guide.

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