# DMARC.quest SPF/DKIM/DMARC Demystified

Startup, Worldwide.

> Free instant SPF, DKIM and DMARC check for any domain. Plain-English AI analysis. Ongoing monitoring of unauthorized senders, with a plan to lock down the gates.
>
> — in its own words, from dmarc.quest, read 2026-07-12

- Website: https://www.dmarc.quest
- Listed since: 2026
- launched: 2026-07-31
- launch post: https://news.ycombinator.com/item?id=49118940
- hn score: 2
- domain created: 2026-04-14
- Last verified: 2026-07-31


## Sources

- Hacker News, "Show HN" — https://news.ycombinator.com/item?id=49118940, read 2026-07-31

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startup.is · https://startup.is/registry/dmarc-quest-spf-dkim-dmarc-demystified · open data: /api/v1, /llms.txt