Domain health checks when connecting a sending account

What are domain health checks?

When you connect a sending account in Mailshake, we automatically run a few quick checks on your domain to help catch common setup issues early.

These checks are designed to give you visibility into your domain’s readiness and point you in the right direction if anything is missing.

What we check automatically

When a sending account is connected, we check:

• Domain resolution & SSL

  Ensures your domain resolves correctly and has a valid SSL setup.

• MX records

  Confirms your domain has MX records, which are required for sending and receiving email.

• SPF record (presence only)

  We check whether an SPF record exists on your domain.

• DMARC record (presence only)

  We check whether a DMARC record exists on your domain.

Understanding the alerts

You may see alerts during or after connecting a sending account. Here’s what they mean:

• All checks passed ✅

  Your domain has the required records in place.

• Missing records ⚠️

  One or more records (SSL, MX, SPF, or DMARC) weren’t detected.

  We’ll highlight what’s missing and provide next steps.

What these checks don’t validate

• We only check for the presence of SPF and DMARC records

  These records can still be misconfigured even if they exist.

• We do not check DKIM

  DKIM records are unique per sending account and can’t be detected automatically as part of these checks.

💡 In practice, domains that already have SPF and DMARC tend to be configured correctly, but we still recommend reviewing them if you run into issues.

How to fix missing DNS records

If an alert shows that something is missing, you can follow the guides below:

• How to set up a DNS record, SPF, DKIM and DMARC
• How to set up a DNS record, SPF, DKIM and DMARC for Google Email Addresses
• How to set up a DNS record, SPF, DKIM, and DMARC for Microsoft Office 365

These guides walk you through the setup step by step with examples.

Need help? If you’ve added the records and are still seeing alerts, or if you’re unsure about your setup, feel free to reach out to our support team hello@mailshake.com. We’re happy to take a closer look.