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spFlat!
Effortless SPF Flattening & Automatic Management
Prevent PermError and bypass the SPF 10-lookup limit automatically. Continuous 24/7 IP monitoring & 1-click DNS updates. Test your domain for free today!
Hey everyone! 👋
spFlat! started as a personal itch I couldn't stop scratching.
Running email for multiple domains, I kept hitting the same silent killer: SPF records with too many `include:` mechanisms quietly pushing past the RFC 7208 10-DNS-lookup limit — resulting in PermErrors and mail landing in spam. And the frustrating part? You often only find out after deliverability has tanked.
I looked at the existing tools and found great DMARC reporting suites - but nothing that simply and affordably *keeps your SPF record valid* automatically. Flattening an SPF record by hand is a one-time fix that silently breaks the next time a provider changes their IP ranges. That's not a fix, that's a ticking time bomb.
So I built spFlat!:
🔍 Free SPF lookup & PermError audit: paste your domain, see your lookup count instantly
⚙️ Automated flattening - includes resolved to direct IPs, 1 DNS lookup total
🔄 24/7 monitoring - provider IP range changes are picked up and the record stays valid, hands-off
🏢 MSP-friendly - built to manage SPF for many client domains
The site just got a fresh redesign too, check out the before/after flattening demo on the homepage.
I'd love your feedback: does the free lookup tool give you what you need? What would make you trust an automated DNS tool? AMA — I'm here all day. 🙏
spFlat! was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #157 on the daily leaderboard. Prevent PermError and bypass the SPF 10-lookup limit automatically. Continuous 24/7 IP monitoring & 1-click DNS updates. Test your domain for free today!
On the analytics side, spFlat! competes within Email Marketing and SaaS — topics that collectively have 78.1k followers on Product Hunt. The dashboard above tracks how spFlat! performed against the three products that launched closest to it on the same day.
Who hunted spFlat!?
spFlat! was hunted by Ted van den Brink. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of spFlat! including community comment highlights and product details, visit the product overview.
Ted van den Brink