PowerDMARC alternatives

Tools that do what PowerDMARC does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from PowerDMARC.

Read 2026-10-20

With a free plan or free to use: Lumo by Proton, Cobytes, Cloudflare, Brave, DomainScan AI, NinjaOne Copilot.

10 alternativesUnlike PowerDMARC

#1
Palisade Security MCP · sign-in
Reads DMARC aggregate reports, flags SPF and DKIM failures per sender, and writes approved DNS record fixes into your zone.
Also: Security, Workflow automation
3.4k
Active
From $19/mo
#2
Lumo by Proton Security
Provides encrypted email, calendar, cloud storage, password manager and VPN under one Proton account, with the Lumo chat assistant as an add-on.
Free planAlso: Chat assistant, Security
3.4M
Active
Free plan
2014
#3
Cobytes Security MCP · open
Scans a domain's DNS, email authentication and web security records, reporting failing checks with readable fix guidance.
Free planAlso: Security
97
Maintained
Free
2024
#4
Cloudflare Security MCP · open
Proxies website traffic through a global network for CDN caching, DNS, DDoS protection and a web firewall, plus Workers serverless code and zero-trust access.
Free planAlso: Agents
4.9M
Active
From $20/mo
2009
#5
Firefox Security
Blocks trackers by default in a web browser and moves bookmarks, passwords and history between devices.
Also: SecurityMore widely used
1.2M
Active
2002
#6
Brave Security
Browser that blocks ads and trackers, encrypts connections with built-in VPN, and includes private search.
Free planAlso: Security
1.4M
Active
From $3/mo
2015
#7
DomainScan AI Security
Monitors SSL certificates, DNS records, DMARC policies, and domain security threats with automated alerts and fixes.
Free planAlso: Monitoring, Security
587
Active
From $9/mo
#8
SentinelOne Purple AI Security
Detects and responds to endpoint threats using behavioral AI and autonomous remediation across devices and identities.
Also: Security, AnalyticsMore widely used
453k
From $179.99/user/yr
2013
#9
NinjaOne Copilot Security
Manages endpoints, patches vulnerabilities, backs up devices, and provides remote support from a unified console.
Free planMore widely used
275k
Active
Free plan
2014
#10
Varonis Security
Discovers, classifies, and monitors sensitive data; detects and prevents data exfiltration and identity-based attacks.
Also: Security, AnalyticsCan run on your servers
137k
Active
2005

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How this list is made: the words PowerDMARC is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.