# Free Domain Intelligence Engine

Startup, Worldwide.

> Discover domains, subdomains, and SSL certificates with comprehensive domain intelligence tools.
>
> — in its own words, from dnsniffer.com, read 2026-08-28

- Website: https://dnsniffer.com
- Listed since: 2026
- launched: 2026-08-28
- launch post: https://news.ycombinator.com/item?id=49478096
- hn score: 2
- domain created: 2013-04-19
- Last verified: 2026-08-28


## Sources

- Hacker News, "Show HN" — https://news.ycombinator.com/item?id=49478096, read 2026-08-28

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startup.is · https://startup.is/registry/free-domain-intelligence-engine · open data: /api/v1, /llms.txt