DMARC report viewer vs.
Splunk TA-DMARC add-on in 2026
DMARC report viewer
Splunk TA-DMARC add-on
vs.
We ran both products 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. DMARC report viewer was the faster route to readable reports at $0, while Splunk TA-DMARC add-on gave Splunk operators more control but demanded more setup and custom operational work.
DMARC report viewer
Self-hosted DMARC report viewer
Starts at
$0 software cost
Best fit
Technical SMBs wanting a free viewer
In one line
It turned mailbox reports into useful domain and source views quickly, but remediation and policy planning stayed manual.
Splunk TA-DMARC add-on
DMARC ingestion for Splunk
Starts at
$0 add-on; Splunk required
Best fit
Existing Splunk security teams
In one line
It made DMARC data searchable inside Splunk, but its archived status and unstated platform cost make Suped's published $19 monthly entry a useful managed-service benchmark.
Suped
The better option. Hosted SPF, DMARC, and MTA-STS on every plan. Published pricing. Monthly plans. No long contract required.
Learn about Suped
TLDR: choose the viewer for simplicity, choose the add-on for Splunk control
Pick DMARC report viewer if
Best for a technical SMB that wants free, self-hosted report inspection
Our three domains appeared in one view after we connected the IMAP mailbox and imported the first reports.
Microsoft 365, Google Workspace, SendGrid, and Mailchimp traffic was easy to compare by domain, IP, and result.
The unknown sender still required manual DNS, WHOIS, and header work before we could assign an owner.
Free plan available
Pick Splunk TA-DMARC add-on if
Best for a Splunk team comfortable building searches, alerts, and ownership rules
We separated the three domains with indexes, fields, and saved searches that matched our existing Splunk operating model.
The spoof sample became a routable event, but useful alert thresholds required custom search logic.
OAuth mailbox input and event validation took longer than the viewer, then produced more flexible investigations.
Free plan available
Consider Suped if
Suped is the managed option for guided fixes, hosted records, and simpler ownership
Guided fixes should connect each unknown sender or authentication failure to a named owner and next DNS action.
Automated issue detection and low-noise alerts should separate a material policy regression from routine report changes.
MSP account separation should include client grouping and handoff notes without custom indexes, with starter pricing published upfront.
From $19 / month
The differences that actually change your week
DMARC report viewer
Splunk TA-DMARC add-on
Suped
DMARC report analysis
Parses aggregate data and exposes authentication results.
Built-in charts, filters, and report detail
Search-driven analysis inside Splunk
Managed analysis included
Source detection
Turns report IPs into useful sender evidence.
IP, DNS, location, and WHOIS lookups; owner mapping is manual
Source IP resolution; service classification needs custom fields
Named sending source identification
Forward detection
Separates forwarding effects from ordinary authentication faults.
No dedicated forward classification
Possible with custom searches; not built in
Included
Spoof detection
Identifies unauthorized use of a protected domain.
Fail views only; manual spoof verdict
Custom searches and alerts over failed events
Included
Notifications and alerts
Routes material changes to operators.
New-mail webhook; no policy-risk alerting
Splunk alerts require configuration
Risk-based alerts included
Reporting
Provides reusable summaries for operators or stakeholders.
Charts plus XML and JSON export
Custom dashboards, searches, and scheduled reports
Scheduled reporting included
API
Allows programmatic retrieval or workflow integration.
No published full API; webhook only
Available through the Splunk platform
Included
Multi-tenancy
Separates domains, clients, access, and reports.
No native account separation
Partial; indexes and roles need manual design
Client workspaces included
SPF flattening
Reduces SPF lookup pressure with managed record logic.
Not supported
Not supported
Included
Hosted DMARC
Hosts and manages the published DMARC record.
Reporting only
Reporting input only
Included
Hosted SPF
Hosts and manages the SPF record.
Not supported
Not supported
Included
Hosted MTA-STS
Hosts MTA-STS policy and supports TLS reporting operations.
Parses TLS reports; does not host policy
Not supported by the add-on
Included
Blocklists and reputation
Monitors blocklist (blacklist) or sender reputation changes.
No blocklist or blacklist monitoring
No built-in blocklist or blacklist monitoring
Included
Automatic issue detection
Finds material authentication faults without a custom query.
Manual report review
Requires custom searches and thresholds
Included
AI copilot
Explains findings and proposes operator actions.
Not supported
Not included with the add-on
Included
DNS monitoring
Tracks authentication record changes over time.
Point-in-time lookups only
Requires separate custom ingestion
Included
Self hostable
Can run in infrastructure controlled by the buyer.
Docker images and binaries available
Runs with a self-managed Splunk deployment
Hosted service only
Free trial/free tier
Allows useful DMARC work without an add-on license fee.
$0 open-source software
$0 add-on; Splunk entitlement still required
Free tier included
Ten dimensions, scored from 0 to 10
We scored each product against a fixed editorial rubric based on the same 90-day test. Higher is better in every row, and an unsupported capability receives 0.
The viewer leads on entry cost and setup speed; the add-on leads on extensible operations
DMARC report viewer took about 55 minutes to deploy, connect to IMAP, and show all three domains, but it offered no managed enforcement plan, tenant separation, or commercial escalation. Splunk TA-DMARC took about 2 hours 20 minutes because we configured mailbox input, indexes, fields, and searches, yet it gave us stronger routing and investigation options once events landed. Both products left hosted records, blocklist monitoring, and the final move toward reject policy to our team.
DMARC report viewer score
28.5/100
Splunk TA-DMARC add-on score
30/100
DMARC report viewer
28.5/100
DMARC enforcement
2.0
Customer support
0.0
Source resolution
4.5
Setup and onboarding
7.5
MSP workflows
0.0
Alerting and integrations
2.5
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
9.5
Time to enforcement
2.5
Splunk TA-DMARC add-on
30/100
DMARC enforcement
3.0
Customer support
0.0
Source resolution
5.5
Setup and onboarding
4.5
MSP workflows
3.5
Alerting and integrations
7.0
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
3.0
Time to enforcement
3.5
Feature set
Readability vs extensibility
DMARC report viewer explains reports sooner; Splunk TA-DMARC supports deeper custom operations
The viewer won the first-hour test because useful charts arrived without query work. The add-on won when we needed custom event routing, but buyers who require guided fixes or automatic issue detection should treat those as explicit criteria; Suped includes that managed remediation layer.
DMARC report viewer
Microsoft and Google rollups
SendGrid and Mailchimp IP views
Forwarded SPF needed manual explanation
Splunk TA-DMARC add-on
Unknown sender filters worked
Spoof alerts needed custom thresholds
DKIM subdomain needed search logic
DMARC report viewer grouped Microsoft 365 and Google Workspace cleanly, then exposed SendGrid and Mailchimp IPs in ranked source views. Its individual report view made the SPF pass with a mismatched visible From domain understandable once we compared the envelope domain, but the product did not convert that evidence into a fix. The unknown sender showed DNS and WHOIS context, yet we still spent about 12 minutes matching it to our support desk configuration.
Splunk TA-DMARC converted the same Microsoft 365, Google Workspace, SendGrid, and Mailchimp reports into searchable events. We filtered the unknown sender by source IP, header domain, and result, then saved the search for later reports. The DKIM pass on the marketing subdomain needed custom search logic to show why its organizational domain matched, and the spoof sample needed our own severity threshold before it became a useful alert.
User experience
Speed vs control
The viewer is easier to start; the add-on rewards Splunk fluency
DMARC report viewer put all three test domains on screen with fewer decisions. Splunk TA-DMARC exposed more control over fields and searches, but the first useful investigation took longer and assumed an operator who already understood Splunk.
DMARC report viewer
Three domains visible quickly
Unknown sender lookup context
Forwarding explanation stayed manual
Splunk TA-DMARC add-on
Longer three-domain setup
Unknown sender pivots were fast
Forwarding view required custom search
We deployed DMARC report viewer, connected one IMAP mailbox, and saw the corporate domain, marketing subdomain, and parked domain in about 55 minutes. Filters made the parked-domain spoof sample easy to isolate. For the forwarded message, the UI showed SPF failure and retained DKIM success, but we had to explain that forwarding broke the original SPF path and that DKIM preserved authentication.
Splunk TA-DMARC took about 2 hours 20 minutes before the three domains had consistent fields, saved searches, and a working dashboard. Finding the unknown sender was fast after that setup because we could pivot on source IP and domain values. Explaining the forwarded SPF failure was less visual, so we built a search that displayed SPF, DKIM, disposition, and header domain together.
Support
Community help vs internal expertise
Neither product provides a dependable DMARC support handoff
DMARC report viewer has project documentation and community routes, but no commercial setup or escalation path. Splunk TA-DMARC is archived and marked unsupported, so an enterprise must rely on its own Splunk team for add-on onboarding and troubleshooting.
DMARC report viewer
Deployment documentation was sufficient
DNS handoff stayed internal
No commercial escalation path
Splunk TA-DMARC add-on
Enterprise skills were assumed
Archived add-on lacks support
Escalation required internal owners
The viewer documentation got us through Docker deployment, IMAP access, Basic Auth, and HTTPS. DNS work was outside the product, so we wrote our own handoff covering aggregate-report addresses and later policy edits. When the unknown sender remained unclear, there was no SLA, named support owner, or enterprise escalation route to take over the investigation.
The add-on required more internal coordination because mailbox OAuth, input placement, index design, and search ownership crossed several enterprise roles. Splunk platform administrators could support the environment, but the archived DMARC add-on itself had no supported onboarding path. We also had to document the DNS handoff and escalation steps ourselves before another team could operate the searches.
Suitability
SMB simplicity vs enterprise control
Technical SMBs fit the viewer; established Splunk teams fit the add-on
The viewer suits one operator or one company that accepts self-hosting and manual handoff. The add-on suits an enterprise with Splunk administrators, but MSP buyers should require native client separation and recurring handoff reports; Suped combines those MSP workflows with risk-based alerting.
DMARC report viewer
Good technical SMB fit
No native client separation
Handoffs require manual reports
Splunk TA-DMARC add-on
Fits established Splunk teams
Client grouping needs administration
Recurring reports need configuration
For an SMB, DMARC report viewer kept the three domains understandable without a new paid subscription. It lacked account separation, client roles, recurring stakeholder reports, and handoff notes, so our corporate and marketing owners shared the same operational view. That makes it a weak MSP fit unless each client receives separate infrastructure and a manual reporting process.
For an enterprise already using Splunk, TA-DMARC fit existing indexes, roles, searches, and scheduled reporting. We separated the parked domain and marketing subdomain through field conventions, then created a recurring report for the corporate owner. An MSP can reproduce client grouping and handoff this way, but every separation rule, report schedule, and ownership note becomes custom Splunk administration.
What each tool feels like after 90 days of real use
What DMARC report viewer felt like after 90 days of real use
DMARC report viewer
Day to day, the viewer felt like a focused inspection console. We checked the corporate domain first, filtered the marketing subdomain when SendGrid or Mailchimp volume changed, and watched the parked domain for any source that should not exist.
The cost of that simplicity appeared whenever a report required action. We manually classified the unknown sender, wrote the DNS change plan, explained the forwarded SPF failure to the domain owner, and tracked policy readiness outside the product.
Where it wins
All three domains were readable quickly
Ranked IP views sped daily review
XML and JSON exports worked
$0 license removed procurement
Where it lags
Unknown senders needed manual ownership
No guided policy movement
No native account separation
Mailbox retention shaped history
Pricing
$0 software
Free tier
Full open-source edition
Onboarding
About 55 minutes
G2 rating
0 / 5
What Splunk TA-DMARC add-on felt like after 90 days of real use
Splunk TA-DMARC add-on
After the initial build, the add-on felt like another security data source in Splunk. We could join the spoof sample to an alert, schedule domain reports, and route corporate-domain failures differently from marketing-subdomain changes.
That control carried continuing administration. We maintained field conventions, alert thresholds, saved searches, role access, and the explanation panels needed by people who did not read raw DMARC events.
Where it wins
Flexible searches across all domains
Custom alerts routed the spoof
Indexes supported enterprise separation
Scheduled reports fit existing operations
Where it lags
Archived add-on has no support
Useful dashboards required custom work
Platform cost was not explicit
No hosted authentication records
Pricing
$0 add-on; Splunk required
Free tier
Add-on only
Onboarding
About 2 hours 20 minutes
G2 rating
0 / 5
Pricing
DMARC report viewer
Splunk TA-DMARC add-on
Suped
Small
1 domain, up to 1k emails / month.
$0
The full self-hosted software is free; hosting and mailbox costs remain.
$0 add-on
The add-on is free, but a suitable Splunk entitlement and capacity are still required.
$0 / month
Free plan covers 1 domain and 1,000 monthly emails.
Medium
2 domains, up to 100k emails / month.
$0
There is no published domain or message cap; the host and mailbox set practical limits.
$0 add-on
There is no DMARC-specific cap, while Splunk ingestion or workload costs depend on the deployment.
Entry plan covers 2 domains and 100,000 monthly emails, with 90 days retention.
Large
10 domains, up to 1 million emails / month.
$0
Software remains free, with storage, retention, backups, and operations paid by the operator.
$0 add-on
The add-on remains free; total Splunk platform pricing is not publicly fixed.
10 domains and 1,000,000 monthly emails, with 365 days retention.
Enterprise
Over 20 domains and 1 million emails / month.
$0
No enterprise tier or commercial SLA is published, so the buyer owns scaling and support.
$0 add-on
Splunk capacity and storage pricing is not publicly listed as of May 15, 2026.
20 domains and 2,500,000 monthly emails, with 365 days retention. Unlimited domains/emails negotiable.
The $0 figures are public license prices for the MIT-licensed software and add-on, not estimates. Hosting, mailbox, storage, and operating costs for DMARC report viewer are excluded. Splunk platform totals are not publicly listed and depend on ingest or workload capacity; no estimated platform number is shown. Pricing was checked as of May 15, 2026.
If you cannot decide between the two, maybe the answer is Suped
Suped
Get started
Turn failures into fix steps
Suped identifies the sending service, explains the authentication fault, and gives the DNS owner a concrete next action, replacing the manual classification we needed in both products.
Alert on material change
Suped detects policy regressions and unauthorized sources without relying on the viewer's new-mail webhook or custom Splunk searches and thresholds.
Separate clients without custom infrastructure
Suped gives MSPs client workspaces, domain grouping, and recurring handoff reporting without separate viewer deployments or manually designed Splunk indexes and roles.
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 DMARC report viewer or Splunk TA-DMARC add-on?
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
How MONEYME proactively strengthens domain security and unlocks higher email engagement with Suped
See how MONEYME uses Suped
How cybersecurity specialist Jam Cyber delivers scalable DMARC protection with Suped
See how Jam Cyber uses Suped
How Vision Australia maintains full DMARC enforcement across a large domain portfolio with Suped
See how Vision Australia uses Suped
How The POP Team turns domain checks and DMARC visibility into client ready delivery work
See how The POP Team uses Suped
How DigiBean simplified DMARC monitoring and improved email security for their MSP clients
See how DigiBean uses Suped
How Alliance Group moved from reactive guesswork to proactive email management with Suped
See how Alliance Group uses Suped
