Monitor authentication across
every domain you own
DNS records change, providers update IP ranges, and misconfigurations creep in. Continuous monitoring catches problems before they affect deliverability.
SPF, DKIM, and DMARC - watched 24/7
All three email authentication protocols monitored continuously. Know the moment something changes or breaks.
Track DNS lookups in real time, detect include changes, and get alerted when approaching the 10-lookup limit. Visualize the full include tree to understand exactly what is authorized.
- Lookup count tracking
- Include tree visualization
- IP range change detection
- Flattening recommendations
Monitor key rotation across all sending sources. Auto-discover selectors for 50+ providers and verify that signatures remain valid as keys age.
- Selector auto-discovery
- Key age tracking
- Rotation reminders
- Signature validation
Watch policy changes, alignment mode shifts, and reporting configuration. Get alerted when records are modified, deleted, or when alignment rates shift.
- Policy change alerts
- Alignment mode tracking
- Report URI validation
- Enforcement readiness
Know the moment
something changes
Configurable alerts via email, webhook, or Slack. Every alert includes the full context you need to act - what changed, when, and what to do next.
- Authentication failure alerts when pass rates drop
- DNS record change notifications with before/after diff
- New unauthorized sender detection in real time
- Compliance threshold alerts for policy migration readiness
DMARC pass rate for example.com dropped below 90% threshold. 47 messages from 91.203.x.x failed both SPF and DKIM alignment.
SPF record for marketing.example.com modified. New include:_spf.vendor.com added. Previous record backed up.
Unknown source 185.70.x.x sending 23 messages as ceo@example.com. SPF: fail, DKIM: none. Likely spoofing attempt.
Domain example.com reached 95% DMARC alignment. Ready to move from p=quarantine to p=reject.
DNS change detection
with full history
Every SPF, DKIM, and DMARC record change is detected, logged, and diffed. See exactly what changed, when it changed, and whether the change introduced a risk. Roll back to a known-good state with one click.
- Before/after record comparison for every change
- Full change history with timestamps and attribution
- Automatic risk assessment for each modification
- One-click rollback to known-good DNS state
- Snapshot backups taken before every detected change
Every domain, one dashboard
Monitor all your domains and subdomains from a single view. Spot the domains that need attention instantly with color-coded health indicators.
Customizable alert
thresholds
Set thresholds that match your security posture. Conservative defaults for production domains, relaxed thresholds during onboarding. Every threshold is adjustable per domain.
See all platform features →Alert when overall authentication falls below your target. Catches regressions from provider changes or misconfigurations.
Warning when approaching the 10-lookup limit. Prevents hard failures before they impact deliverability.
Immediate notification when a previously unseen IP sends email as your domain. Zero tolerance for shadow senders.
Reminder to rotate DKIM keys on schedule. Stale keys increase the window for cryptographic compromise.
Notification when alignment rates are high enough to safely move to a stricter DMARC policy.
Alert when daily aggregate report volume drops significantly. May indicate DNS issues or receivers no longer sending reports.
Start monitoring your domains today
Free trial - no credit card required. Add unlimited domains and get alerts within minutes.
Start Free TrialWhat Teams Say About Our Monitoring
Rated 4.8/5 on G2 · 469 verified reviews
Zunaid K.
Director
"Essential tool for email delivery"
This tool helps us to implement DMARC reporting for our domains in an easy to use manner.
Verified User in Information Technology and Services
"Best security tool for your own domains"
The weekly reports help me a lot to analyze quickly the emails sent from my domains and that gives me peace of mind.
Larry H.
Research & Development Manager
"Good tool to buy"
I have used many tools for monitoring DMARC reports. But DMARC Report is a good tool to use. It helps avoid sending emails to spam.