MailSenpai DNS Check
Free SPF, DKIM, DMARC and MX checker that tells you the fix
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This is 1 of 66 launches in email marketing and deliverability tools — see how it stacks up on momentum and crowding →
93 other launches read as similar to this one →
Details
- External ID
- 1274070
- Source
- PH
- Company
- —
- Product
- MailSenpai DNS Check
- Website domain
- producthunt.com
- Launched
- Oct. 13, 2026
- Cohort
- —
- Upvotes
- 1
- Upvotes percentile
- 0.33
- Tags
- Email, Productivity, Developer Tools
Description
Check any domain's SPF, DKIM, DMARC and MX records in seconds and get plain-English fixes with the exact values to publish. Plus SPF and DMARC generators, an email header analyzer, an embeddable widget, a free JSON API and an MCP tool for AI assistants.
Enrichment
- Niche
- email marketing and deliverability tools
- Vertical
- Security
- Function
- Dev tools
- Audience
- Developer
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- email dns record checker and fix recommendations
- Manually corrected
- False
Could you build this?
Yes DNS record lookup (SPF, DKIM, DMARC, MX) and header parsing are standard networking queries that can be implemented cleanly using standard Node.js or Python DNS libraries alongside rule-based templates.
Competitors
Other products that read as similar to this one — 93 launches clear the similarity bar, closest 8 shown.
Attention rank: #33 of 94 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 340 days after the earliest competitor.
- LayerCall Free Email-DNS Tools · ph · 2026-09-06 · 1 upvotes · similarity 0.77
- SenderCheck · ph · 2026-10-06 · 1 upvotes · similarity 0.74
- OutboundAuth · ph · 2026-10-01 · 1 upvotes · similarity 0.66
- DMARCPro · ph · 2026-10-12 · 1 upvotes · similarity 0.65
- Domain Intelligence API · ph · 2026-09-24 · 1 upvotes · similarity 0.61
- CredMail · ph · 2026-09-14 · 1 upvotes · similarity 0.60
- RUA•Watcher · ph · 2026-09-11 · 2 upvotes · similarity 0.60
- Domain DMARC Checker · hn · 2026-05-15 · 6 upvotes · similarity 0.58
Other launches for this product
- No other launches for this product.