Email Service Provider Checker Semrush Jun 2026

Great for deep dives into mail server history.

An ESP checker is a tool designed to identify the platform a website uses to send its marketing emails. By analyzing a domain’s DNS records—specifically SPF, DKIM, and MX records—these tools can pinpoint whether a company uses Mailchimp, Klaviyo, HubSpot, or Salesforce Marketing Cloud. Can SEMrush Check Email Service Providers?

By removing "bouncy" emails, the tool protects your domain's reputation with major Email Service Providers (ESPs) like Google and Yahoo. email service provider checker semrush

The app identifies syntax errors, inactive domains, and server responses to categorize emails as "Verified," "Risky," or "Invalid".

Compare your provider’s performance against industry leaders. How to Manually Identify an ESP Great for deep dives into mail server history

While you won't find a button labeled "ESP Checker" in the main sidebar, SEMrush is often used alongside technical lookup tools to build a full profile of a competitor's tech stack. Why You Need to Audit Your ESP

If SEMrush doesn't provide the specific "ESP name" you're looking for, these specialized tools fill the gap: Can SEMrush Check Email Service Providers

For those also interested in competitor analysis, Semrush provides an Email Dashboard within its Traffic & Market Toolkit, which allows you to see how competitors drive traffic through their own email campaigns. Email Verifier: Clean Your Lists & Maximize Deliverability