SenderCheck
Find out why your email lands in spam, and the exact fix
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This is 1 of 221 launches in email utilities and developer tools — see how it stacks up on momentum and crowding →
150 other launches read as similar to this one →
Details
- External ID
- 1268080
- Source
- PH
- Company
- —
- Product
- SenderCheck
- Website domain
- producthunt.com
- Launched
- Oct. 6, 2026
- Cohort
- —
- Upvotes
- 1
- Upvotes percentile
- 0.32625698324022345
- Tags
- Email, SaaS, Developer Tools
- Fetched at
- Oct. 7, 2026, 1:01 a.m.
- Updated at
- Oct. 7, 2026, 1:01 a.m.
Description
Paste a domain and SenderCheck checks SPF, DKIM, DMARC, MX, MTA-STS and BIMI, free, with no account. Every problem shows the exact record it read and the change to make. Free sender reports show every service sending email as you.
Enrichment
- Niche
- email utilities and developer tools
- Vertical
- Marketing
- Function
- Observability & eval
- Audience
- B2B
- AI stance
- Not AI
- Project type
- Commercial product
- Normalized one-liner
- email deliverability checker for senders
- Manually corrected
- False
Could you build this?
Yes It performs standard DNS record lookups (SPF, DKIM, DMARC, MX, MTA-STS, BIMI) via public DNS queries, parses the record strings against known RFC specs, and displays fixes.
Competitors
Other products that read as similar to this one — 150 launches clear the similarity bar, closest 8 shown.
Attention rank: #70 of 151 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 276 days after the earliest competitor.
- LayerCall Free Email-DNS Tools · ph · 2026-09-06 · 1 upvotes · similarity 0.67
- CredMail · ph · 2026-09-14 · 1 upvotes · similarity 0.66
- RUA•Watcher · ph · 2026-09-11 · 2 upvotes · similarity 0.62
- Inbox Placement Test 2.0 · ph · 2026-09-29 · 1 upvotes · similarity 0.57
- OutboundAuth · ph · 2026-10-01 · 1 upvotes · similarity 0.56
- Reloop Temp Email Checker · ph · 2026-09-24 · 11 upvotes · similarity 0.52
- StopBouncing · ph · 2026-09-10 · 1 upvotes · similarity 0.50
- Domain Intelligence API · ph · 2026-09-24 · 1 upvotes · similarity 0.48
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a observability & eval tool for Media & entertainment yet.