Terms

Terms of use

AuthMark is a free informational tool. By using it, you agree to these simple terms.

As-is, no warranty

The checker and related pages are provided as-is, without warranties of any kind, express or implied. We do not promise uninterrupted availability, perfect accuracy, or fitness for a particular purpose.

Results are informational

Results summarise public DNS records we can see at check time. They are not a guarantee that mail will land in an inbox, pass every filter, or meet a legal or contractual requirement. Reputation, content, volume, and provider policies still matter.

Not advice

Nothing on AuthMark is legal, security, compliance, or professional advice. If you need those, talk to a qualified person for your situation.

Acceptable use

Use AuthMark to check domains you are responsible for or reasonably need to assess. Do not abuse the service (automated flooding, probing private networks, or trying to bypass safety limits). We may rate-limit or block abusive traffic.

Contact

For terms questions: hello@authmark.app (placeholder inbox).

Last updated: 2 Oct 2026