If you’re running a digital agency, chances are you’ve wrestled with SPF records more than once. Client deliverability issues, SPF permerrors, or “too many DNS lookups” are common headaches in agency life. With dozens of clients relying on you to keep their email secure and deliverable, SPF management can quickly spiral into a time-consuming problem.
That’s why specialized SPF tools have emerged to solve this exact issue. Two names stand out: AutoSPF and DynamicSPF by Dmarcduty.
Both claim to simplify SPF management, prevent lookup failures, and keep agency clients safe from spoofing and phishing. But the way they approach SPF flattening is different, and those differences matter for agencies managing multiple clients.
In this in-depth comparison, we’ll explore:
- Why SPF flattening is essential for agencies
- How AutoSPF and DynamicSPF actually work
- Key feature breakdowns, strengths, and limitations
- Pricing, scalability, and long-term agency fit
- The final verdict: Which SPF solution is right for you?
By the end, you’ll know exactly which platform will save your agency time, keep your clients protected, and improve email deliverability at scale.
Why SPF Management Is a Pain Point for Digital Agencies
Every email-sending domain needs an SPF (Sender Policy Framework) record to authenticate outbound emails. On paper, it’s simple: you add “includes” for the vendors your clients use (Google Workspace, Microsoft 365, Mailchimp, HubSpot, etc.), and you’re done.
But agencies quickly run into two big problems:
- The 10 DNS Lookup Limit
SPF only allows 10 DNS lookups. Once you pass that limit, the record fails and generates a permerror. This isn’t a minor inconvenience—when SPF fails, your client’s legitimate email may be flagged as spam or rejected. - Vendor IP Changes
SaaS providers and email vendors update their sending IP addresses all the time. If your SPF record isn’t updated in sync, it breaks silently—leaving clients exposed to spoofing risks or blocked by strict DMARC policies.
For an agency managing dozens (or hundreds) of client domains, manually maintaining SPF records is not just inefficient—it’s dangerous. Deliverability failures erode trust fast, and every hour spent firefighting DNS issues is an hour not spent on growth.
This is why automation matters.
AutoSPF vs DynamicSPF: At a Glance
Both AutoSPF and DynamicSPF by Dmarcduty exist to fix SPF failures by reducing or eliminating the risks tied to SPF’s lookup limit and manual maintenance.
- AutoSPF focuses on full automation—it continuously rebuilds SPF records, automatically flattening them so they always stay under the 10-lookup limit. For agencies, this means minimal hands-on work, centralized dashboards, and predictable scaling.
- DynamicSPF by Dmarcduty uses a dynamic include model. Instead of flattening fully, it creates dynamic references so records are resolved in real time. While this keeps SPF under the limit, it requires more technical setup, ongoing monitoring, and reliance on Dmarcduty’s infrastructure.
Both approaches can solve lookup issues, but the experience, scaling, and agency fit are very different. Let’s break it down.
Feature-by-Feature Comparison
1. SPF Flattening & Lookup-Limit Handling
- AutoSPF: Performs full flattening. It expands all includes into direct IPs and keeps the record compliant. Even as vendors change their IPs, AutoSPF updates records automatically. You never exceed the 10 lookup cap.
- DynamicSPF: Uses dynamic includes/relays. Instead of pre-flattening, it resolves records at query time. This reduces lookup count but creates reliance on Dmarcduty’s servers. Agencies may need to monitor for relay failures or delays.
🔑 Verdict: AutoSPF gives agencies peace of mind—records never break. DynamicSPF works but introduces dependencies.
2. Automation & Ongoing Maintenance
- AutoSPF: Built around a “set it and forget it” model. Once configured, it self-heals whenever providers update IP ranges. Agencies don’t have to chase DNS changes or audit client records weekly.
- DynamicSPF: Provides dynamic handling but requires ongoing technical oversight. Admins may need to log in regularly to ensure configuration stays aligned, especially when juggling multiple domains.
🔑 Verdict: For agencies with lean teams, AutoSPF’s automation is a lifesaver. DynamicSPF is better suited for IT-heavy organizations with dedicated staff.
3. Usability & Dashboard
- AutoSPF: Designed with agencies in mind. Centralized dashboards let you manage dozens of client domains in one view. Role-based access makes it easy to delegate monitoring. Even non-technical account managers can oversee SPF status.
- DynamicSPF: More technical in nature. Agencies familiar with DMARC dashboards may find it useful, but it isn’t optimized for multi-tenant or agency-specific workflows.
🔑 Verdict: AutoSPF wins for agency UX. DynamicSPF is more of a fit for individual organizations already inside Dmarcduty’s ecosystem.
4. Integrations & Ecosystem
- AutoSPF: Works with any DNS host or email vendor. Compatible across common providers like Cloudflare, AWS Route 53, GoDaddy, and all major ESPs. Offers APIs for automation and MSP white-labeling.
- DynamicSPF: Tight integration with Dmarcduty’s DMARC platform. If you’re already using Dmarcduty for reporting, the integration adds convenience. However, outside of that stack, flexibility is limited.
🔑 Verdict: AutoSPF is ecosystem-agnostic. DynamicSPF is strongest if you’ve standardized on Dmarcduty.
5. Scalability for Agencies
- AutoSPF: Explicitly built for digital agencies and MSPs. Multi-domain management, consolidated reporting, and volume-based pricing mean it scales as you grow.
- DynamicSPF: Works fine for a handful of domains but becomes harder to manage at scale. Each new domain adds more overhead, and pricing may escalate quickly.
🔑 Verdict: Agencies managing dozens of clients will save significant time and cost with AutoSPF.
6. Pricing & Transparency
- AutoSPF: Predictable, transparent pricing. Clear per-domain tiers let agencies forecast costs. Discounts apply as domain counts increase.
- DynamicSPF: Often bundled with DMARC monitoring. Pricing details are less transparent, and costs can escalate unpredictably as domains are added.
🔑 Verdict: AutoSPF is budget-friendly for agencies. DynamicSPF may suit single-domain organizations but becomes harder to budget at scale.
Pros & Cons
AutoSPF: Pros
✅ Fully automated SPF flattening
✅ Always stays under the lookup limit
✅ Centralized multi-domain management
✅ Easy for non-technical teams
✅ Transparent pricing that scales predictably
✅ Reduces reliance on third-party relays
AutoSPF: Cons
❌ Less granular control for advanced DNS teams who prefer hands-on setups
DynamicSPF by Dmarcduty: Pros
✅ Flexible dynamic resolution
✅ Strong integration with Dmarcduty’s DMARC tools
✅ Useful for IT-savvy teams that want more manual control
DynamicSPF by Dmarcduty: Cons
❌ More manual oversight required
❌ Relay/dependency introduces potential risk
❌ Less scalable for agencies with many domains
❌ Pricing less transparent and can rise quickly
User Experience: Agency Perspective
Imagine two scenarios:
- With AutoSPF: An account manager at your agency gets a deliverability alert. They log into AutoSPF’s dashboard, immediately see the affected domain, and notice the record has already been auto-corrected. No downtime, no escalation, no client fire drill.
- With DynamicSPF: The same alert appears. Your team logs in to check SPF records and finds that an include is failing to resolve. You must investigate Dmarcduty’s relay service, possibly update DNS manually, and reassure the client.
For agencies, time is money—and client confidence. AutoSPF reduces firefighting. DynamicSPF requires more active intervention.
Pricing in Context: Small vs Large Agencies
- Small Agencies (1–5 domains): Both AutoSPF and DynamicSPF can be affordable. If you’re already inside Dmarcduty, the integration may make sense.
- Mid-Size Agencies (10–30 domains): AutoSPF’s transparent pricing and centralized management make scaling painless. DynamicSPF’s costs begin to feel unpredictable.
- Large Agencies (50+ domains): AutoSPF’s bulk pricing and automation mean you can onboard new clients without hiring extra staff. DynamicSPF may become prohibitively expensive or time-intensive.
Real-World Impacts
- Deliverability Confidence: Clients trust agencies that keep their email landing in inboxes. AutoSPF ensures SPF never breaks, improving reputation and open rates.
- Client Retention: No agency wants to explain why a client’s campaign bounced due to DNS errors. Proactive SPF management builds credibility.
- Operational Efficiency: Agencies juggling SEO, ads, design, and email need every hour. AutoSPF minimizes SPF firefighting so your team can focus on growth.
- Security & Compliance: Misconfigured SPF isn’t just a deliverability issue—it’s a phishing risk. AutoSPF ensures alignment with DMARC and reduces exposure.
Final Verdict: AutoSPF vs DynamicSPF by Dmarcduty
- Choose AutoSPF if:
- You manage multiple client domains
- You want minimal manual oversight
- You need predictable, scalable pricing
- You prefer automation over technical firefighting
- Choose DynamicSPF if:
- You already use Dmarcduty’s DMARC platform extensively
- You have an in-house IT/security team comfortable with manual oversight
- You’re managing only a few domains and prefer dynamic includes over flattening
👉 For the vast majority of digital agencies, AutoSPF is the better choice. It was built with agencies in mind, prioritizing automation, scalability, and client deliverability.
FAQ: AutoSPF vs DynamicSPF
Q: Will AutoSPF fix the “Too Many DNS Lookups” error?
Yes. AutoSPF ensures your SPF record always stays under the 10-lookup limit, eliminating permerrors.
Q: Does DynamicSPF do the same thing?
It reduces lookups dynamically, but it relies on Dmarcduty’s relay and requires ongoing monitoring.
Q: Can I manage multiple client domains with AutoSPF?
Absolutely. AutoSPF is designed for agencies and MSPs, offering multi-domain dashboards and role-based access.
Q: Do I still need DMARC?
Yes. SPF flattening helps, but DMARC alignment is essential. AutoSPF ensures SPF works properly with DMARC policies.
Q: Which tool saves more time for agencies?
AutoSPF, by a wide margin. It reduces manual DNS work, client support issues, and ongoing monitoring.