AutoSPF vs DynamicSPF by Dmarcduty: Solving SPF Limits for Digital Agencies

Managing SPF records has become one of the most frustrating challenges for digital agencies, IT managers, and marketing teams that oversee multiple client domains. Hitting the SPF 10-lookup limit, dealing with vendor IP changes, and troubleshooting broken DNS records can grind productivity to a halt—and worse, it can break email deliverability.

“The 10-lookup limit is the single most common reason enterprise SPF records silently break,” says Brad Slavin, CEO of DuoCircle and founder of AutoSPF. “In our experience managing SPF for 2,000+ customer domains, the failure mode is always the same: a team adds a new SaaS tool, its include pushes the total past 10, and legitimate email starts failing.”

Per RFC 7208, SPF evaluation is capped at 10 DNS mechanism lookups and 2 void lookups per check — exceeding either limit produces a PermError that fails authentication for every message from the domain.

That’s why specialized SPF management tools like AutoSPF and DynamicSPF by Dmarcduty have emerged. These tools simplify SPF flattening, reduce technical overhead, and ensure reliable compliance with DMARC. But which one is right for your agency or business?

In this in-depth showdown—AutoSPF vs DynamicSPF—we’ll compare their features, pricing, integrations, user experience, and overall value. By the end, you’ll know which platform is the smarter investment for your agency’s email infrastructure.

Why SPF Management Matters More Than Ever

Every time your agency sets up a new client with Google Workspace, Microsoft 365, HubSpot, Salesforce, or any email-sending platform, their SPF record grows. Add in marketing tools like Mailchimp, ActiveCampaign, or SendGrid, and suddenly you’ve hit the dreaded 10 DNS lookup limit.

When SPF records break:

• Emails get rejected or flagged as spam.

• Domain reputation takes a hit, hurting inbox placement.

• Agencies lose client trust—since broken SPF often looks like negligence.

Instead of manually managing endless DNS records, agencies need a tool that can automatically flatten, monitor, and update SPF records across dozens (or hundreds) of domains.

This is where AutoSPF and DynamicSPF come into play.

How Does AutoSPF Compare to DynamicSPF: Key Features Breakdown?

AutoSPF: Automation That Agencies Can Trust

AutoSPF was built with digital agencies in mind. Its mission is to make SPF record management simple, automated, and scalable.

• Automated Flattening – Ensures you never hit the 10-lookup limit, no matter how many vendors you add.

• Real-Time Updates – When a vendor changes IP ranges, AutoSPF automatically updates your records—no DNS firefighting required.

• Agency Dashboard – Manage dozens of client domains from a single interface.

• Error Alerts – Get notified before an SPF issue impacts deliverability.

• Ease of Use – Designed so even non-technical account managers can handle SPF confidently.

AutoSPF’s approach is hands-off automation, giving agencies peace of mind and freeing IT staff for higher-value work.

DynamicSPF by Dmarcduty: Flexible but Technical

DynamicSPF is a DNS-based SPF record service that dynamically generates records through a special “include” mechanism. Instead of flattening records permanently, it points to a managed dynamic record.

• Dynamic Includes – Keeps SPF records within limits by offloading lookups to a hosted record.

• Technical Setup – Requires DNS-level knowledge to configure properly.

• Scalability – Works well for enterprise-scale organizations with IT staff dedicated to maintenance.

• Control – Offers flexibility for custom configurations but at the cost of simplicity.

DynamicSPF is powerful, but it’s not designed for marketing agencies or SMBs. It’s best for large enterprises with in-house IT teams who want tight control over DNS infrastructure.

Feature-by-Feature Comparison

Feature	AutoSPF	DynamicSPF by Dmarcduty
Setup Difficulty	Easy, guided setup with minimal DNS edits	Technical setup requiring DNS expertise
SPF Flattening	Automatic, real-time flattening	Handled via dynamic include
Multi-Domain Support	Agency dashboard for dozens/hundreds of domains	Not agency-focused, one domain at a time
Monitoring & Alerts	Yes, with proactive notifications	Limited
Target Users	Agencies, SMBs, marketers	Enterprises, IT-heavy teams
Ease of Use	Very user-friendly	Technical and complex

Pricing Comparison

AutoSPF: Transparent, Agency-Friendly Pricing

• Free Plan – Manage a single domain with basic SPF flattening—ideal for testing.

• Pro Plan – Affordable per-domain pricing with monitoring, automation, and alerts.

• Agency Plan – Bulk discounts for agencies managing 10+ domains.

• Enterprise Plan – Custom-tailored for large organizations with hundreds of domains.

👉 With clear pricing and scalability, AutoSPF ensures agencies can grow without worrying about unpredictable costs.

DynamicSPF by Dmarcduty: Enterprise-Oriented

• Base Pricing – Typically higher, targeted at enterprise budgets.

• Custom Pricing – Quotes vary depending on the number of domains and technical requirements.

• Support Tiers – Advanced support and SLAs available only at higher cost.

👉 DynamicSPF makes sense for enterprises that can absorb higher costs and have IT staff to manage the complexity.

User Experience Comparison

AutoSPF: Built for Busy Agencies

• Interface – Clean, intuitive dashboard.

• Ease of Use – Minimal technical training required.

• Who Benefits Most – Agencies, consultants, SMBs, and marketing teams.

AutoSPF is designed so client managers can handle SPF without needing to call the IT department.

DynamicSPF: Built for IT Departments

• Interface – Functional but less user-friendly.

• Ease of Use – Requires DNS and infrastructure knowledge.

• Who Benefits Most – Enterprises with dedicated IT staff.

DynamicSPF provides flexibility but sacrifices simplicity.

Integrations

AutoSPF Integrations

• Works seamlessly alongside DMARC platforms like Valimail, Agari, or dmarcian.

• Compatible with common agency stacks: HubSpot, Mailchimp, Salesforce, SendGrid, and more.

• API options for bulk client domain management.

DynamicSPF Integrations

• Primarily DNS-based, with limited integrations.

• Strong fit for enterprises running internal infrastructure.

Alternatives to AutoSPF and DynamicSPF

If neither AutoSPF nor DynamicSPF feels like the right fit, agencies and enterprises may also consider:

• PowerSPF by PowerDMARC – Enterprise-grade SPF and DMARC management with compliance focus.

• SPF-Record.com – Lightweight, free flattening tool for single domains.

• EasySPF – Simple SPF record optimizer for small businesses.

• Cloudflare Email Security – Full-suite DNS and security platform with SPF support baked in.

Final Verdict: Which One Should You Choose?

• Choose AutoSPF if you’re a digital agency, MSP, or SMB managing multiple client domains. It’s automation-first, user-friendly, and built to scale with agencies.

• Choose DynamicSPF if you’re an enterprise IT team with in-house DNS expertise and a need for maximum control, even if it requires extra complexity.

👉 For 90% of digital agencies, AutoSPF is the clear winner. It eliminates SPF headaches, protects deliverability, and ensures client trust—all while saving time and technical overhead.

FAQs: AutoSPF vs DynamicSPF

1. What is SPF flattening and why does it matter? SPF flattening reduces the number of DNS lookups in your SPF record by consolidating vendor IP ranges. This is critical because SPF records are limited to 10 DNS lookups. Without flattening, your records can break and cause deliverability issues.

2. Does AutoSPF require technical expertise to use?No. AutoSPF is designed for agencies and SMBs. Setup is guided, and ongoing management can be handled by non-technical staff.

3. How does AutoSPF handle vendor IP changes?AutoSPF automatically monitors vendor IP ranges and updates SPF records in real time, so your domains are always compliant without manual DNS edits.

4. Is DynamicSPF better for large enterprises?Yes. DynamicSPF suits enterprises with IT staff that can manage DNS infrastructure and custom configurations. It offers flexibility but is less intuitive for agencies.

5. Can AutoSPF and DynamicSPF work with DMARC?Yes, both solutions are compatible with DMARC. However, AutoSPF provides better integrations with DMARC monitoring platforms commonly used by agencies.

6. Which tool is more cost-effective for agencies?AutoSPF. With transparent pricing and agency plans, it’s far more budget-friendly than DynamicSPF, which is priced for enterprise IT departments.

Final Call to Action

👉 If you’re an agency tired of dealing with broken SPF records, don’t risk your clients’ deliverability. Start with AutoSPF today and make SPF management the easiest part of your email authentication stack.