KDmarc vs.
Skysnag in 2026
KDmarc
Skysnag
vs.
We tested KDmarc and Skysnag 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. KDmarc gave us a lower-cost path into DMARC reporting and SPF work, while Skysnag moved faster on hosted authentication and alerting, especially once forwarding, spoofing, and unknown sender cases started to pile up.
Published 5 Nov 2025
Updated 4 Jun 2026
8 min read
Summarize with
KDmarc
DMARC reporting for cost-conscious security teams
Starts at
From $18.99 / month
Best fit
Teams that want affordable reporting, SPF flattening, and policy checks without a heavy managed-service motion.
In one line
KDmarc handled the core DMARC report flow well, but unknown sender ownership and enforcement handoff stayed more manual in our test.
Skysnag
Hosted email authentication and DMARC enforcement
Starts at
From $39 / month
Best fit
Security and IT teams that want hosted DMARC, SPF, MTA-STS, TLS reporting, and stronger operational alerting.
In one line
Skysnag gave us broader protocol coverage and cleaner enforcement movement, with some pricing and setup details still requiring buyer follow-up.
Suped
The third option. Hosted SPF, DMARC, and MTA-STS on every plan. Published pricing. Monthly plans. No long contract required.
Learn about Suped
Pick KDmarc for lower-cost reporting, Skysnag for hosted enforcement
Pick KDmarc if
Best fit for teams that can run the DMARC cleanup themselves
The primary domain and marketing subdomain were live quickly once DNS was ready.
SendGrid and Mailchimp were visible in aggregate reports, but owner assignment needed manual notes.
The SPF mismatch and forwarded SPF failure were explainable after drilldown, not immediately actioned.
From $18.99 / month
Pick Skysnag if
Best fit for teams that want hosted records and faster enforcement movement
Hosted SPF, DMARC, and MTA-STS gave us fewer DNS edits after the initial setup.
The spoof sample and unknown sender produced clearer operational alerts than KDmarc.
Google Workspace, Microsoft 365, and support desk traffic were easier to separate by source.
From $39 / month
Consider Suped if
A third option when guided fixes, hosted records, and simpler ownership are buying criteria
Guided fixes help teams move each source toward DMARC pass with SPF or DKIM without rewriting the same DNS notes.
Automated issue detection separates broken authentication, unknown senders, and suspicious traffic before weekly review.
MSP workflows and published starter pricing make account planning cleaner for teams with many domains.
Free plan available
The differences that actually change your week
KDmarc
Skysnag
Suped
DMARC report analysis
Aggregate report processing, source views, and authentication drilldowns.
Supported
Supported
Supported
Source detection
Turning raw sending infrastructure into recognizable services and owner decisions.
Manual workflow
Supported
Supported
Forward detection
Explaining SPF failures caused by forwarding rather than unauthorized sending.
Partial
Supported
Supported
Spoof detection
Flagging unauthorized mail that fails domain-authenticated checks.
Supported
Supported
Supported
Notifications and alerts
Routing important authentication and reputation changes without flooding operators.
Supported
Supported
Supported
Reporting
Scheduled, executive, compliance, sender, and operational reporting.
Supported
Supported
Supported
API
Programmatic access for reporting, onboarding, or integrations.
Unclear
Supported
Supported
Multi-tenancy
Client or account separation for agencies, MSPs, and larger groups.
Domain groups
Paid tier
Supported
SPF flattening
Reducing SPF lookup risk while keeping approved senders working.
Supported
Supported
Supported
Hosted DMARC
Managed DMARC record hosting and policy updates.
Unclear
Supported
Supported
Hosted SPF
Managed SPF record hosting or hosted SPF optimization.
Unclear
Supported
Supported
Hosted MTA-STS
Managed MTA-STS policy hosting and TLS reporting workflow.
Not tested
Supported
Supported
Blocklists and reputation
Blocklist (blacklist) and reputation monitoring tied to sending sources.
Supported
Paid tier
Supported
Automatic issue detection
Surfacing configuration breaks, sender changes, and risky authentication patterns.
Partial
Supported
Supported
AI copilot
Natural-language help for interpreting authentication issues and next steps.
Not tested
Not tested
Supported
DNS monitoring
Watching authentication records for changes and regressions.
Supported
Supported
Supported
Self hostable
Running the product in customer-controlled infrastructure.
Unclear
Not supported
Not supported
Free trial/free tier
Public entry path before a paid subscription.
7-day freemium
14-day trial
Free plan
Ten dimensions, scored from 0 to 10
We scored both products against a fixed editorial rubric covering enforcement movement, source resolution, onboarding, support, MSP workflows, alerting, hosted authentication, blocklist or blacklist coverage, pricing clarity, and time to enforcement. Higher is better in every row.
Skysnag scored higher on hosted authentication and operations, while KDmarc held its own on core reporting value.
KDmarc gave us usable DMARC views for Microsoft 365, Google Workspace, SendGrid, Mailchimp, and the support desk sender, but it needed more manual work to classify the unknown sender and turn the forwarded SPF failure into a clear owner action. Skysnag moved faster once we enabled hosted records and alerts, especially for the spoof sample, DNS monitoring, and enforcement planning. KDmarc was easier to price for smaller published tiers, while Skysnag's current public pricing left more volume details to confirm.
KDmarc score
59.5/100
Skysnag score
77/100
KDmarc
59.5/100
DMARC enforcement
6.5
Customer support
6.0
Source resolution
6.0
Setup and onboarding
7.0
MSP workflows
6.0
Alerting and integrations
5.5
Hosted SPF and MTA-STS
3.0
Blocklist monitoring
6.5
Pricing transparency
7.0
Time to enforcement
6.0
Skysnag
77/100
DMARC enforcement
8.0
Customer support
7.5
Source resolution
8.0
Setup and onboarding
7.0
MSP workflows
7.5
Alerting and integrations
8.0
Hosted SPF and MTA-STS
9.0
Blocklist monitoring
8.0
Pricing transparency
6.0
Time to enforcement
8.0
Feature set
Reporting depth vs hosted breadth
Skysnag has the broader authentication stack. KDmarc has enough depth for disciplined DMARC teams.
Skysnag covered more of the operational surface because hosted SPF, hosted DMARC, MTA-STS, TLS reporting, DNS monitoring, and stronger alerts were available in the same workflow. KDmarc still gave us the core reporting, sender views, SPF flattening, and blocklist (blacklist) checks needed for a self-managed rollout. For buyers, the deciding criterion is whether the platform turns findings into guided fixes and automated issue detection, rather than only showing that the report table exists.
KDmarc
Microsoft 365 reports parsed
SendGrid classification needs review
SPF mismatch needs notes
Skysnag
Hosted authentication stack
Mailchimp labeled cleanly
Subdomain DKIM context clearer
KDmarc processed the Microsoft 365 and Google Workspace traffic cleanly, and it separated SendGrid and Mailchimp once enough aggregate data arrived. The SPF pass using the visible From domain and DKIM pass using the visible From domain were easy to validate, but the SPF pass with visible from mismatch needed a manual explanation in our handoff notes. The unknown sender was visible in the report drilldown, yet classification depended on an operator checking IP ownership and campaign timing.
Skysnag covered more protocols in one place, especially when we added hosted DMARC, hosted SPF, hosted MTA-STS, TLS reporting, and DNS monitoring to the test. Microsoft 365, Google Workspace, SendGrid, and Mailchimp were identified with clearer service labels, and the unauthorized spoof sample triggered a sharper risk path. The DKIM pass on a subdomain was easier to explain because the interface kept the organizational domain and subdomain match context closer to the result.
User experience
Manual control vs guided operation
KDmarc feels like an analyst console. Skysnag feels closer to an enforcement workflow.
KDmarc was straightforward when we knew what to look for, but several tasks ended in notes outside the product. Skysnag required care during DNS setup, yet it gave us clearer next actions once the test domains and senders were connected.
KDmarc
Fast domain setup
Unknown sender took clicks
Forwarding explanation was manual
Skysnag
Guided hosted setup
Unknown sender surfaced faster
Forwarding context grouped
KDmarc let us add the corporate domain, marketing subdomain, and parked domain without much friction, and the DMARC record checks made the initial state easy to confirm. Finding the unknown sender took more clicks because the useful clues were split across source, IP, and aggregate-result views. The forwarded mail with SPF failure was visible, but the product did not make the explanation obvious enough for a non-specialist owner.
Skysnag asked for more deliberate setup because hosted records change the operational model, but the guided flow reduced repeat DNS edits after the first pass. The unknown sender was easier to isolate because the source view grouped unrecognized traffic more clearly against approved senders. The forwarded SPF failure was easier to explain because Skysnag placed SPF, DKIM, forwarding, and DMARC pass/fail evidence closer together in the investigation path.
Support
Ticketed help vs assisted enforcement
Skysnag set clearer support expectations for managed authentication, while KDmarc fits teams with in-house DNS confidence.
KDmarc's support model made sense for teams that already understand SPF, DKIM, and DMARC records and only need confirmation during setup. Skysnag had a stronger enterprise onboarding path, but buyers should still confirm response times, escalation routes, and which records the vendor manages under each plan.
KDmarc
DNS owner still needed
Escalation scope less explicit
Enterprise terms need confirmation
Skysnag
Hosted DNS handoff clearer
Enterprise onboarding more defined
Support scope varies by tier
KDmarc gave us enough setup guidance to publish records and verify the three domains, but the DNS handoff for the support desk sender needed a more technical owner on our side. Escalation expectations were less explicit during the test, so we treated policy movement and source owner mapping as customer-run tasks. Enterprise buyers should confirm SSO, deployment model, technical point of contact, and onboarding scope before purchase.
Skysnag's support path fit hosted authentication work better, especially when we needed to explain SPF hosting, MTA-STS hosting, and the parked-domain enforcement plan to a second stakeholder. DNS handoff was still real work, but the vendor-side model made it clearer who should own hosted record changes. Enterprise onboarding looked stronger, with more obvious routes for priority help, integrations, and managed enforcement questions.
Suitability
Lean DMARC team vs operating team
KDmarc suits self-managed teams. Skysnag suits teams that want authentication operations in the product.
KDmarc is a sensible fit when a security or IT team can own recurring reports, source classification, and DNS follow-up internally. Skysnag is a better fit when multi-domain operations, alert quality, and MSP-style account separation have to reduce weekly handoff effort. Buyers managing clients should test how cleanly each tool separates accounts, recurring reports, and remediation notes before committing.
KDmarc
Best for internal teams
Client handoff needs notes
Domain grouping helps
Skysnag
Stronger MSP fit
Cleaner recurring reports
Domain coverage needs review
KDmarc worked best for a single organization with a clear internal owner for the corporate domain, marketing subdomain, and parked domain. Domain groups helped us separate work, but recurring reports still needed manual context before they were ready for an MSP-style client handoff. For enterprise use, the product needs a buyer who can confirm deployment, SSO, support, and account structure details before scaling.
Skysnag fit the operating-team pattern more naturally because domain grouping, hosted records, and alerts were easier to explain across separate stakeholders. For MSP or multi-brand use, the client handoff was cleaner when the report tied source status, authentication result, and next action together. SMB buyers still need to watch pricing and domain coverage, especially when more than two active domains are needed.
What each tool feels like after 90 days of real use
KDmarc
A practical DMARC reporting console for teams that already know the playbook
After 90 days, KDmarc felt dependable for reading aggregate reports and checking whether approved senders were moving toward DMARC pass. The primary corporate domain was easy to follow, the marketing subdomain was manageable, and the parked domain gave us a simple enforcement case once unauthorized traffic was isolated.
The tradeoff was operational effort. We had to add our own notes to explain the support desk sender, the forwarded SPF failure, and the unknown sender classification, then turn those notes into owner tasks outside the product. KDmarc worked best when a technical operator reviewed reports every week and already knew what a defensible DMARC enforcement plan should look like.
Where it wins
Affordable published paid tiers
Useful SPF flattening workflow
Clear core DMARC reporting
Blocklist and blacklist checks included
Where it lags
Unknown sender workflow stayed manual
Hosted record coverage was unclear
Support escalation needed confirmation
No G2 review base available
Pricing
From $18.99 / month
Free tier
7-day freemium
Onboarding
Fast for DNS-ready teams
G2 rating
0 / 5
Skysnag
A broader authentication platform for teams that want enforcement operations handled in one place
After 90 days, Skysnag felt more complete when the work moved beyond report reading. Hosted SPF, hosted DMARC, hosted MTA-STS, TLS reporting, DNS monitoring, and stronger alerts helped us keep Microsoft 365, Google Workspace, SendGrid, Mailchimp, and the support desk sender in one operational view.
The main friction was commercial and setup clarity. The public entry price was clear, but volume caps, domain expansion, MSP terms, and some add-ons needed confirmation. The setup was also more consequential because hosted records change ownership, yet that same model reduced recurring DNS cleanup once the domains were stable.
Where it wins
Hosted authentication in one workflow
Better unknown sender handling
Sharper spoof and DNS alerts
Stronger enterprise onboarding path
Where it lags
Volume bands need confirmation
Domain expansion pricing less clear
Setup has more moving parts
Lower tiers may feel narrow
Pricing
From $39 / month
Free tier
14-day trial
Onboarding
More involved, more guided
G2 rating
4.6 / 5
Pricing
KDmarc
Skysnag
Suped
Small
1 domain, up to 1k emails / month.
$18.99 / month
KDmarc Basic is the closest published fit and covers more than this volume.
$39 / month
Skysnag Comply is the current public entry tier and covers two domains.
$0 / month
Free plan covers 1 domain and 1,000 monthly emails.
Medium
2 domains, up to 100k emails / month.
$18.99 / month
KDmarc Basic lists two active domains and 100,000 emails per month.
$39 / month
Skysnag Comply lists two domains, while current public volume caps need confirmation.
Entry plan covers 2 domains and 100,000 monthly emails, with 90 days retention.
Large
10 domains, up to 1 million emails / month.
$599 / month
KDmarc Enterprise is the closest published tier above eight domains.
Custom
Skysnag Suite or domain expansion is likely needed because lower public tiers list two domains.
10 domains and 1,000,000 monthly emails, with 365 days retention.
Enterprise
Over 20 domains and 1 million emails / month.
Custom
KDmarc published tiers stop at 15 active domains, so larger estates need a quote.
Custom
Skysnag Suite, MSP, or enterprise terms are the practical path at this scale.
20 domains and 2,500,000 monthly emails, with 365 days retention. Unlimited domains/emails negotiable.
KDmarc prices are public list prices from published tier tables, while Skysnag Comply and Protect entry prices are public list prices. Skysnag volume assumptions and large-estate fit are estimates based on public plan descriptions and older public volume references. Pricing was checked as of May 15, 2026.
If you cannot decide between the two, maybe the answer is Suped
Suped
Get started
Cleaner source ownership
KDmarc surfaced the unknown sender, but we still had to research ownership and write handoff notes manually. Suped's product is built to turn sending sources into owner-ready remediation work.
Fewer pricing surprises
Skysnag's public entry price was clear, but volume bands, domain expansion, and MSP terms needed confirmation. Suped publishes starter business pricing and MSP per-domain pricing so early planning is less dependent on sales follow-up.
Actionable alerts
Both products reported important authentication events, but the forwarded SPF failure, spoof sample, and DNS ownership changes still needed careful triage. Suped's product focuses alerts on the issue, affected source, and next fix.
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 KDmarc or Skysnag?
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.
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