Policy level
p=none monitors, quarantine sends suspicious mail to spam, and reject blocks failing messages.
DMARC Record Checker
Inspect your DMARC policy, reporting destinations and enforcement level.
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● ● ●DMARC_TOOL● LIVE
UNDERSTAND THE TOOL
What is DMARC Checker?
DMARC tells receivers how to handle messages that fail SPF or DKIM and where to send authentication reports.
When should you use it?
Start with monitoring, review reports, then move toward quarantine or reject when legitimate senders are aligned.
READ THE OUTPUT
How to understand your results
Use these signals to decide what to check next.
Alignment
DMARC passes when aligned SPF or DKIM authenticates the same organizational domain.
Report addresses
rua and ruf tags identify where aggregate or forensic reports should be delivered.
HOSTGRABER EXPERT GUIDE
Turning authentication data into enforcement
DMARC connects SPF and DKIM to the domain visible in the From header. It also provides aggregate reporting, giving domain owners a view of legitimate and unauthorized sending sources before enforcement is increased.
Begin with p=none and a monitored aggregate-report address. Correct alignment for real senders, then move gradually to quarantine and reject. Subdomain policy, percentage rollout and strict or relaxed alignment can be adjusted for complex organizations.
GO FROM DIAGNOSIS TO SOLUTION
Build it better with HostGraber
Found a configuration problem or planning your next deployment? These HostGraber services are the most relevant next steps for this tool.
How it works
01
Enter details
Provide the domain, IP address or generator options requested above.
02
Run the tool
HostGraber securely validates the input and processes your request.
03
Use the result
Review the readable output and copy it with one click.
COMMON QUESTIONS
DMARC Checker FAQ
Practical answers from the HostGraber team.
Should I start with p=reject?+
Usually start with p=none, review legitimate senders, then increase enforcement gradually.
Does DMARC require both SPF and DKIM to pass?+
No. DMARC passes when either SPF or DKIM both passes and aligns with the visible From domain.
What does pct mean in DMARC?+
The pct tag controls the percentage of failing messages to which the enforcement policy is applied.
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