Free email tools.
Inspect live email DNS and check temporary-provider domains without creating an account.
MX lookup
Find a domain’s mail exchangers, priorities, and current DNS TTLs.
Open toolSPF checker
Read the SPF record, terminal all policy, includes, and redirect target.
Open toolDMARC checker
Inspect the current DMARC policy, subdomain rules, test mode, and reporting destinations.
Open toolDisposable email checker
Check an email address or domain against the current temporary-provider classification.
Open toolWhat these tools can tell you
MX, SPF, and DMARC records describe domain-level mail configuration. Disposable detection checks a provider classification. Each result is useful evidence, but none confirms that one mailbox exists or guarantees delivery.
Need a signup decision?
The verification API combines address format, routing, provider risk, and mailbox evidence into explicit allow, review, and block actions.