How to Verify Third-Party Domains for Email Marketing: A Complete Guide

How to Verify Third-Party Domains for Email Marketing: A Complete Guide

By Michael Chen

January 2, 2025 at 12:42 PM

Custom Domain Verification for Email Marketing

Verifying your custom domain is crucial for preventing email campaigns from being marked as spam. A custom email uses your domain (e.g., [email protected]) instead of a generic address.

Domain Verification Methods:

  • Automatic verification for Squarespace-registered domains
  • Transfer third-party domain to Squarespace for automatic verification
  • Manually add verification records to third-party DNS settings

Domain DNS Settings

Domain DNS Settings

Manual Verification Process:

  1. Access DNS Settings:
  • For nameserver-connected domains: Use DNS Settings panel
  • For DNS-connected domains: Modify records through your provider
  1. Add Required Records:
  • First Record (CNAME):

    • Type: CNAME
    • Host: squarespace._domainkey
    • Data: squarespace-domainkey.squarespace-mail.com
  • Second Record (TXT):

    • Type: TXT
    • Host: _dmarc
    • Data: [unique code provided]

Provider-Specific Instructions:

IONOS:

  • Login to my.ionos.com/domains
  • Select domain > DNS
  • Click Add Record
  • Enter CNAME and TXT records

GoDaddy:

  • Access Domain Manager
  • Navigate to Manage DNS
  • Add both records under DNS Records

Google Domains:

  • Login to domains.google
  • Click DNS icon
  • Add records under Custom Resource Records

Hover:

  • Login to hover.com
  • Select DNS
  • Add both records

Namecheap:

  • Access Domain List
  • Select Manage > Advanced DNS
  • Add both records

Important Notes:

  • Record updates may take up to 72 hours
  • Verification is complete when "Unauthenticated Domain" message disappears
  • Contact your provider's support for specific guidance
  • DMARC policy set to p=reject requires domain verification before use

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