SPF & DMARC Checker
Find out if scammers can send email as your domain
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Read the full description
Type your domain and see in seconds whether anyone can send email pretending to be you, and exactly what to fix. • Checks SPF (including the 10-lookup limit) and DMARC (RFC 9989) • Plain-English results, not raw DNS output • Knows 30+ senders: Google Workspace, Microsoft 365, Zoho, Mailchimp, HubSpot and more • Companion generator builds safe SPF + DMARC records to copy into your DNS • Runs in your browser: no sign-up, nothing stored
Visit website ↗ Source listing ↗
PH · launched Oct 18, 2026 · 1 upvote (top 67%)
- Security
- Compliance & governance
- Developer
- Not AI
- Commercial product
- Privacy
- Developer Tools
Similar launches
See all 218 similar launches →Could you build this?
Yes This requires querying public DNS records (TXT for SPF and DMARC) using standard DNS libraries, validating the text strings against known RFC specs (like counting DNS lookups), and returning formatted UI suggestions.
Competitors
Other products that read as similar to this one : 218 launches clear the similarity bar, closest 8 shown.
Attention rank: #83 of 219 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 351 days after the earliest competitor.
- DMARCPro · ph · 2026-10-12 · 1 upvotes · similarity 0.70
- MailSenpai DNS Check · ph · 2026-10-13 · 1 upvotes · similarity 0.69
- LayerCall Free Email-DNS Tools · ph · 2026-09-06 · 1 upvotes · similarity 0.67
- Mail Health Report · ph · 2026-10-17 · 1 upvotes · similarity 0.66
- SenderCheck · ph · 2026-10-06 · 1 upvotes · similarity 0.66
- CredMail · ph · 2026-09-14 · 1 upvotes · similarity 0.65
- RUA•Watcher · ph · 2026-09-11 · 2 upvotes · similarity 0.64
- Mailradar360 · ph · 2026-10-19 · 1 upvotes · similarity 0.61
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More details
- External ID
- 1283248
- Company
- n/a
- Product
- AI Visibility Checker
- Website domain
- producthunt.com
- Cohort
- n/a
- Upvotes percentile
- 0.33
- All tags
- Email, Privacy, Developer Tools
- AI summary
- email security validator for domains
- Manually corrected
- No