Free Tool

SPF Record Checker

Validate your SPF record instantly. Ensure only authorized mail servers can send email on
behalf of your domain — a key step before VMC or CMC certification.

SPF Checker

Validate your Sender Policy Framework DNS record

Enter your domain without https:// or www. prefix

What This Tool Checks

Our SPF Checker validates all key components of your Sender Policy Framework record

SPF Record Existence

Checks if a valid SPF TXT record exists in your domain’s DNS configuration.

Policy & Mechanism

Validates the SPF mechanisms (ip4, include, a, mx) and enforcement qualifier (-all, ~all).

DNS Lookup Limit

Warns if your SPF record exceeds the 10 DNS lookup limit, which can cause authentication failures.
VMCcerts Agent
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