Struggling to decide between AutoSPF and DynamicSPF by Dmarcduty for your organization’s SPF management and DMARC compliance? You’re not alone. With the 10 DNS lookup limit restricting SPF records, enterprises often face frustrating “Too Many DNS Lookups” errors, broken email flows, and failed DMARC policies.
In this guide, we’ll break down AutoSPF vs DynamicSPF in detail—covering features, automation, scalability, pricing, integrations, and overall user experience. Whether you’re an SMB preparing for DMARC enforcement or a global enterprise managing hundreds of domains, this comparison will help you choose the best SPF flattening solution for your needs.
Why SPF Flattening Matters for Enterprises
SPF (Sender Policy Framework) is a critical component of email authentication, used to specify which mail servers are authorized to send on behalf of a domain. However, the 10 DNS lookup limit in SPF records creates significant challenges:
- Email Delivery Failures – When SPF records exceed the limit, legitimate emails are rejected by receiving mail servers.
- Security Risks – A broken SPF setup undermines DMARC and DKIM alignment, leaving enterprises vulnerable to spoofing and phishing.
- Operational Complexity – Large organizations use multiple SaaS tools (Salesforce, Microsoft 365, Google Workspace, HubSpot, Mailgun, etc.), each adding to SPF lookups.
To overcome this, businesses adopt SPF flattening solutions that automatically optimize SPF records, consolidate includes, and ensure compliance at all times.
AutoSPF vs DynamicSPF: Key Features at a Glance
| Feature | AutoSPF | DynamicSPF by Dmarcduty |
| SPF Flattening | Fully automated, unlimited | Semi-automated, requires manual oversight |
| Updates | Real-time syncing with providers | Dynamic lookups, periodic updates |
| Scalability | Built for enterprises with many domains | Better for SMBs with fewer providers |
| Ease of Use | Intuitive dashboard, zero coding | Technical setup, requires DNS expertise |
| Integrations | Broad, with major DNS/email providers | Available, but may need custom work |
AutoSPF: Unlimited SPF, Zero Maintenance
AutoSPF is built for enterprises that need a hands-off, fully automated SPF management system.
Key Benefits
- Unlimited Lookups Solved – No matter how many SaaS tools or ESPs you use, AutoSPF flattens and compresses SPF records instantly.
- Real-Time Updates – If a provider changes its sending IP ranges, AutoSPF updates your SPF record automatically—no manual edits required.
- Enterprise Scalability – Designed for organizations managing dozens or even hundreds of domains across multiple regions.
- Enhanced Security – Works seamlessly with DMARC enforcement, DKIM alignment, and BIMI requirements.
- Simple Dashboard – User-friendly controls let IT teams monitor compliance without dealing with complex DNS scripts.
Best For: Large enterprises, MSPs, and IT/security teams that want to eliminate SPF errors at scale.
DynamicSPF by Dmarcduty: Flexible but Manual
DynamicSPF by Dmarcduty takes a different approach, relying on dynamic DNS queries rather than continuous flattening.
Key Benefits
- Dynamic Includes – Reduces lookup pressure by grouping SPF entries into fewer mechanisms.
- Custom Configurations – Offers flexibility for teams that want more manual control over DNS records.
- Monitoring Tools – Provides visibility into record usage and alerts on potential failures.
- Affordable Plans – Lower entry price point for SMBs and mid-market businesses.
Limitations
- Requires ongoing manual oversight by administrators.
- Not optimized for multi-domain enterprises with complex setups.
- Updates may lag when providers change IP ranges, risking SPF misalignment.
Best For: SMBs and mid-sized companies with moderate SPF needs and in-house DNS expertise.
Pricing and Scalability
AutoSPF: Enterprise-Friendly and Transparent
- Free Trial – Risk-free way to test flattening.
- Pro Plan – For SMBs adopting DMARC.
- Enterprise Plan – Unlimited SPF, priority support, multi-domain management, compliance features.
DynamicSPF by Dmarcduty: Flexible but Limited
- SMB Plan – Basic flattening at an entry price.
- Business Plan – Adds monitoring/reporting.
- Enterprise Plan – Custom pricing; may require more manual admin resources.
Verdict: AutoSPF’s plans are designed for scaling globally, while DynamicSPF suits organizations that prefer budget-friendly control over automation.
User Experience Comparison
- AutoSPF: Streamlined UI, automation-first, built for non-technical IT leaders as well as advanced admins. Minimal learning curve.
- DynamicSPF: More technical, requires manual DNS edits, better for IT teams comfortable with command-line or DNS record customization.
Integrations
- AutoSPF: Works with all major DNS providers (Cloudflare, AWS Route 53, Google Domains) and seamlessly integrates with popular ESPs like Microsoft 365, Google Workspace, HubSpot, Salesforce, SendGrid, and Mailchimp.
- DynamicSPF: Offers integrations but may require custom scripts or manual API calls for full automation.
Alternative SPF & DMARC Management Tools
While AutoSPF and DynamicSPF are leading solutions, other notable players include:
- EasySPF – Best for beginners needing a quick SPF record generator.
- PowerSPF – Enterprise-grade SPF optimization with analytics.
- Valimail Enforce – A robust DMARC solution that includes SPF flattening.
- OnDMARC – Complete DMARC suite with SPF/DKIM alignment features.
Final Verdict: AutoSPF vs DynamicSPF
- Choose AutoSPF if you want true automation, unlimited scalability, and zero maintenance. Perfect for enterprises running multi-domain, global email infrastructures.
- Choose DynamicSPF if you’re a smaller business with limited domains and prefer more technical control over DNS records.
👉 For organizations serious about email security, deliverability, and DMARC enforcement, AutoSPF is the clear winner.
FAQs: AutoSPF vs DynamicSPF
1. Why can’t I just manually manage my SPF records instead of using AutoSPF or DynamicSPF?
Manual management is possible but not sustainable for enterprises. Each new SaaS tool or ESP adds lookups, quickly exceeding the 10-DNS-lookup SPF limit. Automated solutions ensure compliance without constant admin intervention.
2. How does AutoSPF update records in real time?
AutoSPF continuously monitors third-party IP ranges and syncs changes automatically to your DNS. This prevents SPF breaks when providers (like Microsoft, Google, or Salesforce) update their infrastructures.
3. Is DynamicSPF secure for enterprise use?
Yes, but it requires manual oversight. If updates are delayed or misconfigured, SPF records may break, leading to DMARC failures and blocked emails. Enterprises often prefer AutoSPF to minimize this risk.
4. Does AutoSPF support multi-domain environments?
Absolutely. AutoSPF was designed for enterprises managing hundreds of domains. It provides a centralized dashboard, automated compliance monitoring, and unlimited SPF support.
5. How do AutoSPF and DynamicSPF impact DMARC enforcement?
Both solutions help ensure SPF alignment, which is critical for DMARC enforcement. However, AutoSPF’s real-time updates make it more reliable for organizations that need continuous compliance without manual intervention.