Email & notification APIs
spFlat!
Automated SPF flattening service that prevents email delivery failures by managing SPF records within DNS lookup limits
- 0community votes
- 0DR by Ahrefs no change since last check
Ahrefs Domain Rating listed 6 Nov 2026, relisted 25 Oct 2026.
Automatically flatten SPF records to bypass the 10-lookup limit, monitor IP changes 24/7, and improve email deliverability.
What it is
spFlat!: the homepage
spFlat! is an automated SPF flattening service that solves email authentication problems caused by complex SPF include chains. It prevents domains from exceeding the SPF 10-lookup limit, which can cause email delivery failures and PermError conditions.
The service works by converting complex SPF records with multiple includes into flat records with direct IP addresses. It continuously monitors email provider IP changes and automatically updates DNS records 24/7 to maintain compliance. spFlat! is hosted by an ISO 27001 and NEN 7510 certified company.
According to the company, properly managed SPF records can improve email deliverability by up to 15% and increase inbox placement rates. Users can test their domain for free, then start a 14-day free trial to enable automatic flattening and monitoring.
Listed capabilities
- Automatic SPF record flattening
- DNS lookup limit prevention
- Real-time SPF monitoring
- 24/7 IP range monitoring
- 1-click DNS updates
- Free SPF lookup audit
- 99.9% uptime SLA
Pricing
Pricing model: Freemium
Free 14-day trial. After trial: €10 per domain per month. No setup fees, cancel anytime.
Follow spFlat! for an email about each milestone, update and new product they post, in a daily summary.
spFlat! metrics
| Metric | Value |
|---|---|
| Domain Rating | 0 no change since last check |
| Trust Flow | 3 no change since last check |
| Citation Flow | 11 no change since last check |
| Referring domains | 4 no change since last check |
| External backlinks | 4 no change since last check |
Ahrefs Domain Rating listed 6 Nov 2026, relisted 25 Oct 2026. Listed under topic: Reference/Education (3). Majestic listed 25 Oct 2026, relisted 25 Oct 2026. Link data listed by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
spFlat! domain listing data
Show the listing data
| Domain age | 1 year |
|---|---|
| Registered | |
| Expires | |
| Registrar | Metaregistrar BV Applications |
| DNSSEC | Signed |
spFlat! launch receipt entry
| Measure | At launch, then latest |
|---|---|
| Domain Rating (Ahrefs) | 0 to 0 no change since launch 25 Oct 2026, then 6 Nov 2026 |
| Trust Flow (Majestic) | 3 first measured 25 Oct 2026 |
| Referring domains (Majestic) | 4 first measured 25 Oct 2026 |
Day 11 since launch. Next receipt: day 30, 24 Nov 2026. We show what changed, not what caused it: many things affect these numbers. Nothing here is estimated.
Before you launch
The playbook on SaaS Directory List lists what to prepare, what to post on launch day and where else to list your product.
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Quick answers
How does spFlat! prevent exceeding the SPF 10-lookup limit?
spFlat! flattens complex SPF records by converting multiple includes into direct IP addresses, reducing DNS lookups from many to just 1. The service automatically monitors email provider IP changes and updates your flattened record 24/7 to maintain compliance.
How does spFlat! improve email deliverability?
Properly managed SPF records improve sender reputation and increase inbox placement rates by up to 15%. By staying within the SPF 10-lookup limit and maintaining accurate IP lists, spFlat! helps avoid spam folders and email rejections.
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