Suped

MXtoolbox vs Kevlarr

Choose MXtoolbox for comprehensive DNS and reputation checks, or Kevlarr for focused DMARC automation and MSP support.
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Compare product functionality

Feature set

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MXtoolbox offers a broad suite of email-related tools, extending far beyond DMARC. Its strength lies in its comprehensive DNS and email configuration diagnostics. We find it particularly useful for general domain health checks, including detailed MX, SPF, DKIM, and reverse DNS lookups. It provides adaptive sender blocklist monitoring, which is crucial for maintaining sender reputation and avoiding common pitfalls.
For DMARC specifically, MXtoolbox focuses on analytics and deployment assistance, helping to monitor inbound and outbound mailflow and protect against domain impersonation. While its DMARC features are solid for tracking authentication and identifying sources, the platform's overall utility shines when you need a holistic view of your email infrastructure's health, combining DMARC with other essential checks like blocklist status.
Kevlarr is a more specialized DMARC monitoring tool, designed with a clear focus on email security and deliverability through DMARC, SPF, and DKIM. It excels at providing detailed insights into mail flow, identifying unauthorized senders, and helping secure digital domain assets. A standout feature, as noted by users, is its AI integration to filter out "noise" from DMARC reports, allowing us to concentrate on critical issues more efficiently.
The platform emphasizes automation and offers a robust API, which is a significant advantage for organizations looking to integrate DMARC management into existing security workflows or build custom solutions. Kevlarr also caters well to MSPs, offering features that facilitate managing multiple client domains. While it doesn't offer the same breadth of general email tools as MXtoolbox, its depth in DMARC management is impressive.
How easy is each product to use

User experience

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MXtoolbox has a very functional, no-frills user interface. We appreciate its straightforward approach to presenting diagnostic results. The free tools are particularly intuitive for quick lookups. However, for deeper dives into DMARC reports, we sometimes find ourselves clicking through multiple links to reach the desired information, which can feel a bit less streamlined than a dedicated DMARC dashboard.
While the dashboards for paid features are useful, the overall navigation and design haven't seen significant updates, giving it a somewhat dated feel compared to more modern platforms. The learning curve for basic functions is minimal, but mastering all its diagnostic capabilities might require a bit more technical familiarity with email protocols and DNS acronyms.
Kevlarr provides a clean and intuitive web interface, making it easy to understand DMARC reports and insights. Users often highlight its clear presentation and ease of use. The platform is designed to offer a quick overview of mail flow and domain health, which is beneficial for rapidly assessing security posture across multiple domains. We found the setup process to be straightforward, especially with its DMARC policy generator.
Despite the generally positive feedback on its clarity, some users, including us, have noted that navigating to specific pages within the console can sometimes take a moment to locate due to the structure. However, this is a minor point, especially for those who primarily interact via its API. Overall, Kevlarr offers a user-friendly experience focused on simplifying complex DMARC data.
Which product has the best support

Support

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MXtoolbox offers support primarily through a ticket system for active subscribers and phone support. Our experience suggests that while the support team is knowledgeable, the process for resolving certain issues, particularly billing or cancellation, can be less than ideal. We've seen reports of challenges in obtaining refunds, even within stated 'risk-free' periods, which is certainly a drawback.
For technical queries related to their tools, the support is generally helpful, and their extensive online guides and tool tips provide a good first line of defense. However, the lack of a seamless and readily available support channel for all types of inquiries can be a point of frustration for users expecting immediate assistance.
Kevlarr receives consistent praise for its outstanding and personal support. Users frequently mention the helpfulness and knowledge of their team, often citing specific individuals like Levente who provide valuable assistance with product setup and ongoing queries. This level of personalized support is a significant advantage, especially for MSPs or businesses new to DMARC management.
The direct and responsive nature of Kevlarr's support team ensures that questions are addressed quickly and effectively. We appreciate that they actively assist with configuration and troubleshooting, making the DMARC implementation journey smoother. This strong commitment to customer service clearly contributes to a positive user experience.
Who should use each product

Suitability

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MXtoolbox is best suited for IT professionals, system administrators, and webmasters who need a comprehensive suite of tools for various email and DNS diagnostics. Its free tools are excellent for quick, ad-hoc checks, making it ideal for SMBs and individuals who might not need continuous monitoring but benefit from powerful troubleshooting capabilities. For enterprises, its paid plans offer more robust monitoring, particularly for blocklists and general domain health.
While it serves enterprises for monitoring and can assist MSPs with client domain checks, it isn't specifically designed for multi-tenancy or a partner-centric model. Its strength is in offering a wide range of diagnostic tools, acting as a general-purpose email and DNS health checker, rather than a specialized DMARC management platform for a large client base.
Kevlarr is an excellent choice for Managed Service Providers (MSPs), cybersecurity engineers, and businesses of all sizes (SMB to enterprise) that prioritize streamlined DMARC management and automation. Its multi-tenancy capabilities and clear, client-ready reports make it very appealing for MSPs managing numerous client domains. The robust API integration is also a big draw for larger organizations looking for automated security workflows.
For SMBs, Kevlarr offers an intuitive way to achieve DMARC compliance without getting overwhelmed by complex data, benefiting from focused insights and strong support. Enterprises will appreciate its capacity for scale and the AI-driven noise reduction, ensuring critical security issues are promptly identified and addressed. It's a specialized tool for those who want to master DMARC specifically.

How does MXtoolbox compare with Kevlarr?

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DMARC report analysis
Source detection
Forward detection
Spoof detection
Notifications and alerts
Reporting
API
Multi-tenancy
SPF flattening
Hosted DMARC
BIMI
MTA-STS/TLS-RPT
Blocklists and reputation
AI copilot
DNS monitoring
Self hostable
Free trial/free tier

Drawbacks and what to watch out for

MXtoolbox users have raised concerns about billing practices and difficulties with cancellations and refunds, suggesting a need for clearer communication and a more transparent process. Kevlarr, while generally well-received, has room for improvement in its user interface navigation and some users desire more extensive statistics or SSO integration.
We have pulled the average ratings from G2 for each product, and also included the most recent negative reviews for each product in full. Positive reviews tend to have less detail and have a higher chance of being fraudulent, so negative reviews are a better signal for your decision.
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Business Practices are scammy
What do you like best about MXToolbox? It helped us solve the small issue we had with our emails going to customers spam folder. What do you dislike about MXToolbox? I initially signed up online for a month-to-month contract, but then a salesperson got a hold of me and sent me a quote. The quote he sent me was for a year contract which I did not want, so I signed up for the month to month. Once the problem was fixed I tried to cancel and I couldn't do it online. I emailed them and they told me I had to call them. After lots of back and fourth they told me I signed a year contract and I couldn't cancel. I would have never signed up for a year. It was a very scammy business practice. Eventually they stopped responding so I had to stop the payments from my credit card. Recommendations to others considering MXToolbox: I don't recommend them because of their shady business practices. What problems is MXToolbox solving and how is that benefiting you? fixing a problem with emails going to spam
Sam B.
IT Director Mid-Market (51-1000 emp.)
Prevent unauthorized use of our customers mail domain!
What do you like best about Kevlarr DMARC Monitoring? It is a fine tool to get a clear understanding of the mailflow of the protected domains. The tool is easy to use and support of Kevlarr is outstanding if you need some help. What do you dislike about Kevlarr DMARC Monitoring? At this moment i can't say there is something i dislike or missing. What problems is Kevlarr DMARC Monitoring solving and how is that benefiting you? The tool makes sure we get insights in the mailflow of our mail domains. We find that many smaller companies do not now what parties are mailing on their "behalf".
Ramon N.
Senior System Administrator Small-Business (50 or fewer emp.)
Think twice before doing their paid plans. Deceptive "risk-free" 30 day trial
What do you like best about MXToolbox? I suspect many of the people responding favorably on this forum are using their free tools. Their free tools are very useful -- but think twice before upgrading to their paid plans. What do you dislike about MXToolbox? Like many other software vendors - they make an offer of a risk-free one-month trial. However, they don't actually refund you your money if you cancel before 30 days. Here is my example: I signed up for their delivery center option on November 10, 2018 and was promptly billed $99. I used the service for 2 days, realized the paid features were overkill for my own and customers' needs, so called to cancel November 12 (two days after signup.) They acknowledged my cancellation by email but never credited back my account for the $99. On December 17th I called their toll-free line. Matt on the phone said ("getting a refund would require managers approval and it's not a certain thing.") No sign of any refund as-yet, no confirmation from the company following the call of what to expect on refund. On December 15 I emailed. Their response to my email was "Sorry, we can't process that sort of thing by email. Either call or create a support ticket." Unfortunately, the support ticket option is available only for active subscribers -- so you are left with calling their phone system and having no record of exchange. Attached is an image from their website taken December 2018 in which they describe their "risk-free" offer. https://postimg.cc/mhgzm197 In summary -- Be aware that their free trial is not like how most other software vendors manage their trial promotions. They are opportunistic about billing you and (in my experience) don't honor the refund they promise as part of their risk-free trial. Recommendations to others considering MXToolbox: Use their free tools (they are good.) Their paid tools are overpriced, and they have a misleading "risk-free" plan that will end up costing you $99. What problems is MXToolbox solving and how is that benefiting you? Their free tools will help you diagnose MX configuration issues.
jon b.
Jon Small-Business (50 or fewer emp.)
Great insights over mutliple email domains and the health of it
What do you like best about Kevlarr DMARC Monitoring? It gives great insights in our email flow, the health of it and it is easy to use. The reports provide are good for the email health. What do you dislike about Kevlarr DMARC Monitoring? For now I don't have any dislikes, if I would have them I would contact the company and they will assist me. What problems is Kevlarr DMARC Monitoring solving and how is that benefiting you? it provides us insights on the email protocol and If the configuration is correct. Based on the reports we can take action if needed
Verified User in Legal Services
Small-Business (50 or fewer emp.)
Beware their "30 day free trial" of the Delivery Center!
What do you like best about MXToolbox? The free tools are good, and one wouldn't mind paying something for them, but one does object to being defrauded - see below. What do you dislike about MXToolbox? Tried to cancel free trial only a couple of days in, but $99 had been taken from my card and they have not responded to repeated requests to end it and refund the money. It looks like attempted fraud. What problems is MXToolbox solving and how is that benefiting you? Simple things like reverse DNS lookup helped us to check our email setup.
Alexander S.
Small-Business (50 or fewer emp.)
Perfect tool to configure and monitor DMARC and SPF settings
What do you like best about Kevlarr DMARC Monitoring? Kevlarr helped us configure DMARC and SPF settings, beside that it reports configuration errors. What do you dislike about Kevlarr DMARC Monitoring? None worth mentioning at this time, lot of features build in their main product, premium features are paid per domain (upsell opportunity!). What problems is Kevlarr DMARC Monitoring solving and how is that benefiting you? Fast and easy configuration of DNS settings and monitoring.
Martien W.
CEO Small-Business (50 or fewer emp.)
Makes email management easy
What do you like best about MXToolbox? -Affordable pricing -Setting up is very easy -Useful dashboards -Makes email reputation checks easier What do you dislike about MXToolbox? -This tool covers everything required for email management, there is nothing to dislike about. What problems is MXToolbox solving and how is that benefiting you? I have used this tool for domain reputation checking for phising mail analysis also I am using this for some of my projects to check mail deliverability and reputation of the domain to make sure the domain is not being blacklisted due to sending loads of emails.
Nitin R.
Software dev Small-Business (50 or fewer emp.)
Great tool to link all your domain names, easy and clear DMARC monitoring.
What do you like best about Kevlarr DMARC Monitoring? Easy-to-use tool to clearly view and monitor all your domain names, at a glance we see if there are any problems yes/no. What do you dislike about Kevlarr DMARC Monitoring? Not applicable. ............................. What problems is Kevlarr DMARC Monitoring solving and how is that benefiting you? It ensures that I can immediately see what is happening email-wise with my inactive domain names and ensures that I can intervene in time if necessary.
Sjoerd v.
IT Support Engineer Mid-Market (51-1000 emp.)
MXToolBox is great for blacklist testing
What do you like best about MXToolbox? MXToolBox is suitable for Blacklists, DMARC, Diagnostics, Email Health, and DNS Lookup checks. What do you dislike about MXToolbox? For a free tool, I'd say MXToolBox is pretty top-notch. What problems is MXToolbox solving and how is that benefiting you? I used MXToolBox for DNS look-ups and blacklist checks.
Verified User in Marketing and Advertising
Enterprise (> 1000 emp.)
Instant protection against bad actors and insights in all our mailflows
What do you like best about Kevlarr DMARC Monitoring? Kevlarr provides a nice, easy and understandable insight into our mail flow making it very easy to address issues and find weak spots in our emailing systems. What do you dislike about Kevlarr DMARC Monitoring? There's currently no way to classify your domains to a certain degree. I'd like to see classification built into the dashboard. What problems is Kevlarr DMARC Monitoring solving and how is that benefiting you? It helps secure our digital domain assets and gives us insight into which domains and services are being used to send emails.
Bart v.
Security Engineer Enterprise (> 1000 emp.)

Pricing

MXtoolbox offers a free tier with escalating costs for higher email volumes and domain counts, while Kevlarr's DMARC-specific pricing isn't publicly detailed, making direct comparison challenging.
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Small
$0 (1 domain)
Free monitoring offered, contact for paid plans
Medium
Contact for pricing
Contact for pricing
Large
$129 (5 domains, 500k vol)
Contact for pricing
Enterprise
$399 (5 domains, 5M vol)
Contact for pricing

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What makes Suped different

Automated sender discovery that finds shadow IT and third-party services
DMARC copilot that pinpoints failures and prescribes the exact fix
Guided path to full p=reject enforcement, safely and quickly
Proactive alerts to prevent misconfigurations before they block your mail
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Frequently asked questions