MXtoolbox vs.
Nameshield in 2026
MXtoolbox
Nameshield
vs.
We tested MXtoolbox and Nameshield for 90 days across a corporate domain, a marketing subdomain, and a parked domain, with Microsoft 365, Google Workspace, SendGrid, Mailchimp, and a support desk sender connected. MXtoolbox gave us the more direct DMARC and delivery operations path, while Nameshield made more sense when DMARC sat inside a broader domain governance program. The clearest differences appeared in SPF and DKIM domain-match passes, the SPF pass with visible From mismatch, the subdomain DKIM pass, forwarded mail with SPF failure, the spoof sample, and unknown sender classification.
MXtoolbox
DMARC and email delivery operations
Starts at
Free plan available
Best fit
IT teams that want DMARC reporting plus delivery and blacklist monitoring
In one line
MXtoolbox worked best when we needed raw authentication evidence, sender reputation checks, and policy movement in one operator-facing workflow.
Nameshield
Domain governance with email security coverage
Starts at
Not publicly listed
Best fit
Enterprises that manage DMARC alongside domain portfolios and brand protection
In one line
Nameshield felt strongest when DMARC ownership belonged to a domain security team rather than a pure email operations team.
Suped
The third option. Hosted SPF, DMARC, and MTA-STS on every plan. Published pricing. Monthly plans. No long contract required.
Learn about Suped
TLDR: choose by who owns DMARC after setup
Pick MXtoolbox if
Best for IT teams that manage DMARC with delivery diagnostics
Microsoft 365 and Google Workspace were separated cleanly within the first week.
The forwarded mail SPF failure was visible enough for a technical admin to explain without support.
The parked domain spoof sample was easier to investigate alongside blacklist and domain health checks.
Free plan available
Pick Nameshield if
Best for enterprises where DMARC is part of domain risk governance
The parked domain fit naturally into domain protection and ownership workflows.
Domain grouping made more sense for a central governance team than a help desk queue.
The unknown sender needed more manual classification, but handoff notes suited enterprise review.
Not publicly listed
Consider Suped if
The third option when teams want guided fixes, hosted records, and simpler ownership
Guided fixes matter when SPF, DKIM, and DMARC ownership is split across IT, marketing, and vendors.
Automated issue detection should turn unknown senders and authentication drift into assigned next steps.
Published starter pricing helps smaller teams and MSPs plan rollout before a sales process.
Free plan available
The differences that actually change your week
MXtoolbox
Nameshield
Suped
DMARC report analysis
Turns aggregate reports into pass, fail, and domain match views.
Paid tier
Partial
Supported
Source detection
Identifies real sending services behind DMARC sources.
Manual workflow
Partial
Supported
Forward detection
Helps distinguish forwarded mail from broken sender setup.
Supported
Unclear
Supported
Spoof detection
Surfaces unauthorized use of the visible From domain.
Supported
Supported
Supported
Notifications and alerts
Routes operational changes without forcing constant dashboard checks.
Supported
Partial
Supported
Reporting
Creates reusable views or exports for technical and business review.
Supported
Supported
Supported
API
Supports programmatic access for integrations and operations.
Paid tier
Not tested
Supported
Multi-tenancy
Separates customers, business units, or domain groups.
Partial
Enterprise workflow
Supported
SPF flattening
Reduces SPF lookup pressure for complex sender stacks.
Paid tier
Not tested
Supported
Hosted DMARC
Hosts or manages the DMARC record directly.
Not tested
Enterprise workflow
Supported
Hosted SPF
Hosts or manages SPF records for change control.
Add on
DNS workflow
Supported
Hosted MTA-STS
Manages MTA-STS policy hosting and related reporting.
Not tested
Enterprise workflow
Supported
Blocklists and reputation
Monitors blocklist and blacklist signals tied to deliverability risk.
Strong coverage
Unclear
Supported
Automatic issue detection
Flags authentication problems without manual report inspection.
Partial
Manual workflow
Supported
AI copilot
Uses AI assistance to explain and resolve authentication findings.
Not tested
Not tested
Supported
DNS monitoring
Tracks DNS record changes that affect authentication and delivery.
Supported
Supported
Supported
Self hostable
Can be deployed and run by the customer in their own environment.
No
No
No
Free trial/free tier
Provides a public entry point for evaluation.
Free tier
Not publicly listed
Free tier
Ten dimensions, scored from 0 to 10
We scored each product against a fixed editorial rubric after the same 90 day setup, sender set, authentication cases, and operational review. Higher is better in every row, and a 0.0 means we did not find working support for that capability during the test.
MXtoolbox led on delivery operations, while Nameshield scored better where domain governance mattered.
MXtoolbox moved faster once Microsoft 365, Google Workspace, SendGrid, Mailchimp, and the support desk sender were visible, especially for source review, blacklist monitoring, and enforcement planning. Nameshield had the cleaner enterprise ownership model for domain portfolios, but DMARC troubleshooting took more manual interpretation. The widest gap appeared when classifying the unknown sender and explaining forwarded mail with SPF failure.
MXtoolbox score
68/100
Nameshield score
49.5/100
MXtoolbox
68/100
DMARC enforcement
7.5
Customer support
6.5
Source resolution
7.0
Setup and onboarding
7.5
MSP workflows
5.5
Alerting and integrations
6.5
Hosted SPF and MTA-STS
4.0
Blocklist monitoring
8.5
Pricing transparency
7.5
Time to enforcement
7.5
Nameshield
49.5/100
DMARC enforcement
6.0
Customer support
7.0
Source resolution
5.0
Setup and onboarding
6.5
MSP workflows
6.0
Alerting and integrations
4.5
Hosted SPF and MTA-STS
7.0
Blocklist monitoring
0.0
Pricing transparency
2.0
Time to enforcement
5.5
Feature set
Delivery depth vs domain breadth
MXtoolbox has the sharper DMARC operations set. Nameshield has the broader domain security frame.
MXtoolbox gave us more usable DMARC and delivery evidence for daily authentication work, especially when SendGrid and Mailchimp had to be checked against Microsoft 365 and Google Workspace. Nameshield was more useful when those findings had to sit inside domain governance. Buyers should check whether guided fixes and automated issue detection are part of the workflow, because both products left some remediation steps dependent on operator judgment.
MXtoolbox
Microsoft 365 separated quickly
Mailchimp source review worked
SPF mismatch was clear
Nameshield
Domain governance fit well
Google Workspace visible after setup
Unknown sender needed annotation
MXtoolbox gave us the clearest operational feature set for DMARC reporting. Microsoft 365 and Google Workspace separated quickly as approved internal sources, SendGrid and Mailchimp were readable once we named them, and the support desk sender was easy to track after its first DKIM domain match. The SPF pass with visible From mismatch was visible as a domain mismatch problem, and the unauthorized spoof sample on the parked domain was easier to review because the same account already exposed domain health, DNS checks, blocklist signals, and blacklist monitoring.
Nameshield approached the same test more like domain security administration. Domain grouping, DNS ownership, and policy records felt coherent for the corporate domain and parked domain, but the marketing subdomain needed more manual sender annotation before the DMARC report view became operational. The unknown sender classification took longer, and the forwarded mail SPF failure needed a clearer explanation path for a non-specialist stakeholder.
User experience
Control vs governance
MXtoolbox was faster for operators. Nameshield was calmer for domain administrators.
MXtoolbox made the first week more productive because we could move between DMARC reports, DNS lookups, and blacklist or blocklist checks without changing context. Nameshield felt more controlled when we treated the domains as managed assets, but the DMARC path was less direct for day-to-day triage.
MXtoolbox
Three domains onboarded cleanly
Unknown sender was traceable
Forwarding evidence was explainable
Nameshield
Domain ownership felt controlled
Parked domain fit naturally
Forwarding needed extra context
Onboarding the three test domains in MXtoolbox was straightforward once we had DNS access, and the tool made it clear when the rua record was live. The primary corporate domain had usable aggregate data first, the marketing subdomain followed after the senders warmed up, and the parked domain was simple to watch for spoof attempts. Finding the unknown sender took several clicks and some manual labeling, but the report drilldown exposed enough IP, domain, and pass/fail evidence to finish the classification.
Nameshield onboarding felt more deliberate. The corporate domain and parked domain fit well because DNS ownership and protection controls were already central to the workflow, while the marketing subdomain took more handoff between email and domain stakeholders. The forwarded mail SPF failure was accurate at the report level, but it took extra explanation to show why the DKIM domain match, not SPF, was the practical basis for allowing the forwarded stream.
Support
Self serve vs managed handoff
MXtoolbox suited technical self-service. Nameshield suited formal enterprise escalation.
MXtoolbox worked best when the operator already understood DNS, SPF, DKIM, and DMARC policy movement. Nameshield had the stronger fit for teams that need controlled support handoff across domain ownership, legal, security, and IT.
MXtoolbox
DNS checks were clear
Setup help was technical
Managed help costs more
Nameshield
Enterprise escalation fit better
DNS handoff was formal
Tactical triage felt slower
During setup, MXtoolbox gave us enough product guidance to publish records and confirm whether reports were arriving, but the DNS handoff still expected a capable technical owner. When the support desk sender needed a DKIM domain match, the handoff was mainly a checklist of DNS records, vendor settings, and report evidence. Escalation made more sense for paid or managed plans, especially for teams that want help moving toward quarantine or reject.
Nameshield support expectations were more enterprise-oriented. DNS handoff was clearer when domain administration already sat with a central owner, and escalation paths were easier to map for the parked domain and corporate domain because those assets belonged to the same governance process. For tactical DMARC triage, such as confirming the SendGrid domain match on the marketing subdomain, the support model felt slower unless the buyer already had an account team process.
Suitability
Operator fit vs enterprise fit
MXtoolbox fits delivery owners. Nameshield fits domain governance teams.
MXtoolbox is the better fit when one team owns sender cleanup, recurring DMARC review, and deliverability monitoring. Nameshield is the better fit when domain governance, legal ownership, and brand protection drive the buying process. MSPs and distributed teams should pay close attention to account separation, alert quality, and client handoff workflows before choosing either product.
MXtoolbox
SMB operator fit
Recurring reports were usable
Client notes needed cleanup
Nameshield
Enterprise governance fit
Domain grouping was stronger
MSP cleanup was slower
MXtoolbox worked for SMB and mid-market operators who can keep the process close to IT. Account separation was adequate for our three test domains, recurring reporting was usable, and domain grouping was simple enough for a corporate domain plus marketing subdomain. For MSP use, the limitation was handoff polish: client-facing notes needed cleanup before they could be reused outside a technical team.
Nameshield was stronger for enterprise governance than hands-on DMARC operations. The parked domain and corporate domain fit neatly into domain grouping, ownership review, and recurring risk reporting, while the marketing subdomain required more back-and-forth with the email owner. For MSPs, the model was usable when the MSP acts as a formal domain manager, but it was less efficient for fast sender cleanup across many small clients.
What each tool feels like after 90 days of real use
MXtoolbox
For technical teams that want DMARC tied to delivery diagnostics
After 90 days, MXtoolbox felt like a practical console for the person who has to answer why a sender passed, failed, or landed on a blocklist or blacklist. The corporate domain became useful first, the marketing subdomain needed sender labeling for SendGrid and Mailchimp, and the parked domain was easy to monitor for spoofing once reports started landing.
The product rewarded technical fluency. We could explain the SPF pass with visible From mismatch, confirm the DKIM domain match for the support desk sender, and document the forwarded mail SPF failure without waiting for an account review. The tradeoff was that unknown sender classification and client-ready handoff notes still needed operator cleanup.
Where it wins
Fast DNS and report confirmation
Useful blocklist and blacklist monitoring
Clearer authentication drilldowns
Published self-serve pricing
Where it lags
Guidance still expects expertise
MSP handoff needs manual polish
Advanced support sits higher
Some limits are not public
Pricing
Free plan available
Free tier
Yes
Onboarding
Fast with DNS access
G2 rating
4.1 / 5
Nameshield
For enterprises that place DMARC inside domain governance
Nameshield felt strongest when the domain itself was the object being managed. The parked domain and corporate domain fit into a governance process with clear ownership, while the marketing subdomain exposed the limits of using a domain-first workflow for sender-by-sender cleanup.
The DMARC evidence was usable, but less direct. Google Workspace and Microsoft 365 were straightforward after setup, yet SendGrid, Mailchimp, and the support desk sender needed more manual explanation when we prepared review notes. The forwarded mail SPF failure was harder to communicate to a non-specialist because the workflow did not guide the operator as directly through domain match logic.
Where it wins
Strong domain ownership model
Good enterprise governance fit
Useful DNS security context
Clearer formal handoff process
Where it lags
Pricing is not public
DMARC triage is less direct
Unknown sender classification is slower
Blocklist coverage was unclear
Pricing
Not publicly listed
Free tier
No public free tier
Onboarding
Slower but controlled
G2 rating
4.4 / 5
Pricing
MXtoolbox
Nameshield
Suped
Small
1 domain, up to 1k emails / month.
$0
The free MXtoolbox tier covers basic weekly monitoring for one domain or IP, not full DMARC operations.
Not publicly listed as of May 15, 2026
Nameshield did not publish a self-serve entry price for this use case.
$0 / month
Free plan covers 1 domain and 1,000 monthly emails.
Medium
2 domains, up to 100k emails / month.
$129 / month
Delivery Center publicly lists 5 domains and 500,000 messages, so this segment fits inside the paid entry tier.
Not publicly listed as of May 15, 2026
Pricing needs a sales or account process because no public plan was available.
Entry plan covers 2 domains and 100,000 monthly emails, with 90 days retention.
Large
10 domains, up to 1 million emails / month.
Estimated above $399 / month
Delivery Center Plus lists 5 domains and 5,000,000 messages, but public add-on domain pricing was not listed.
Not publicly listed as of May 15, 2026
The public pricing material did not expose domain or volume bands.
10 domains and 1,000,000 monthly emails, with 365 days retention.
Enterprise
Over 20 domains and 1 million emails / month.
Custom
Managed Email Delivery Services are described publicly, but the annual price is not listed.
Not publicly listed as of May 15, 2026
Enterprise scope depends on account review, domain portfolio needs, and service requirements.
20 domains and 2,500,000 monthly emails, with 365 days retention. Unlimited domains/emails negotiable.
MXtoolbox Free, Delivery Center at $129 / month, and Delivery Center Plus at $399 / month are public list prices checked on May 15, 2026. MXtoolbox large-segment pricing is estimated because public plan cards listed 5 domains and did not publish add-on domain pricing. Nameshield pricing was not publicly listed as of May 15, 2026.
If you cannot decide between the two, maybe the answer is Suped
Suped
Get started
Cleaner sender ownership
In the test, MXtoolbox exposed the unknown sender but still needed manual labeling and handoff cleanup. Suped is built to identify sending sources and turn them into owner-ready actions.
More direct DMARC fixes
Nameshield fit domain governance, but SendGrid, Mailchimp, and the forwarded mail SPF failure took extra explanation. Suped's guided fixes keep SPF, DKIM, and DMARC remediation closer to the report evidence.
Operational alerts for mixed teams
MXtoolbox's technical workflow and Nameshield's enterprise workflow both left alert routing as a buying question. Suped focuses alerts on authentication changes, spoofing, and source drift so IT, marketing, and MSP owners can act faster.
The difference was significant. We moved from limited visibility to a much clearer dashboard. Being able to see specific services like Stripe, rather than generic providers like Amazon SES, helps us resolve email authentication issues faster.
Markus Hugenschmidt, Managing Director, Jam Cyber
Migrating from MXtoolbox or Nameshield?
We have done the migration enough times to know the shape.
Get started
Step 01
Add domains
Connect the domains you send from and see what is already passing, failing, or missing.
Step 02
Run in parallel
Keep the old setup live while Suped checks alignment, hosts records, and shows what still needs work.
Step 03
Cancel old
Move the remaining work into Suped, keep monitoring in one place, and remove the tools you no longer need.
Frequently asked questions
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