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Free SPF, DKIM & DMARC Checker for Nonprofits – Good Heart Tech
Free SPF, DKIM, and DMARC checker for nonprofits. Audit public DNS for email deliverability and domain security — including MTA-STS and DNSSEC. Nothing is st...
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89 % |
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Free Email DNS Tools | MailDNSLab
Check public DMARC, SPF, DKIM, and MX DNS records with focused tools for email authentication and mail server routing.
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88 % |
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MailPosture — free SPF, DKIM & DMARC checker with the exact DNS fix
Check a domain's SPF, DKIM, DMARC, MX and DNSSEC in one shot and get the exact DNS record to publish. Free, no signup. Built for sender-domain onboarding; AP...
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88 % |
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Free DMARC, SPF and DKIM check, and DMARC fixed for you
Free SPF, DKIM and DMARC check with the exact records for your email provider. Or let us take your domain safely to p=reject for $199, once.
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88 % |
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dmarcula: DMARC, finally simple.
Free DMARC monitoring with readable reports and alerts. See who's sending as your domain, stop spoofing, and reach p=reject safely. Works with any inbox.
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87 % |
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Mailvry — Free Email Delivery Diagnostics
Free tools to debug SPF, DKIM, DMARC, MX records and DNS in seconds. Instantly diagnose email deliverability issues.
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87 % |
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Check your SPF, DKIM and DMARC records — notspoofed.com
Free SPF, DKIM and DMARC checker that tells you exactly which record to publish, plus free bounce-code and TLS-RPT report tools. No sign-up, no account.
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87 % |
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DNSValidate: bulk SPF, DKIM and DMARC checker for agencies
Check SPF, DKIM, DMARC and DNS for up to 20 domains in one paste. Built for agencies managing many client domains. Free, no signup.
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86 % |
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SPF, DKIM & DMARC Checker with CRM Verification | EmailSheriff
Audit SPF, DKIM, DMARC and 12 blacklists against one domain. A graded verdict in seconds, plus the corrected DNS record, ready to paste.
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86 % |
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dkim.pro — Email Authentication without the headaches
Check DKIM, SPF and DMARC records, generate DNS records, process DMARC aggregate reports, and monitor email authentication changes with dkim.pro.
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86 % |
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MailGrade — email verification & deliverability API
Email verification and SPF/DKIM/DMARC auditing from DNS. No SMTP probing, nothing stored. Free domain reports and 250 free API calls a month.
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86 % |
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DNSTrustCheck - Free DNS, SPF, DKIM, DMARC & Blacklist Lookup
Free DNS and email deliverability checker. Run MX, SPF, DKIM, DMARC, BIMI, blacklist, WHOIS and DNSSEC lookups, get a weighted health score, and export an au...
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86 % |
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DMARC Tools – Email Authentication Monitoring & Reporting
DMARC Tools is email authentication monitoring made simple. Track DMARC, SPF and DKIM across every domain, read plain-English reports, and stop email spoofing.
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85 % |
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Sendvery — Email Health & Deliverability Monitoring
DMARC monitoring with AI-powered insights. Automatically parse DMARC reports, monitor DNS health, and get plain-English explanations. Open source, self-hosta...
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85 % |
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dmarcheck — DNS Email Security Analyzer
Free, open-source DNS email security analyzer. Check DMARC, SPF, DKIM, BIMI, MTA-STS, and more for any domain.
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85 % |
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MyDCHub — Free DNS, email and network diagnostics
Free SPF, DKIM, DMARC, DNS, SSL, blacklist, WHOIS, IP and ASN checks. Every finding explains what is wrong, why it matters and how to fix it.
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85 % |
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DMARC Enforcement for Multi-Sender Domains | BrightPost
See every sender using your domain, identify authentication gaps, and move from DMARC p=none to enforcement — without breaking legitimate mail.
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85 % |
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DMARC Monitoring & Email Authentication | DMARC.global
Monitor DMARC reports, review SPF and DKIM alignment, and manage supported email authentication records. Tools and reporting for domain owners and MSPs.
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85 % |
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DMARC Dashboard — Free DMARC, SPF & DKIM Checker
Check any domain's DMARC, SPF, and DKIM email authentication records for free. Verify your email security configuration and get a security grade.
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85 % |
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DMARC Monitoring & Email Security Platform | RUA•Watcher
Monitor DMARC reports, validate SPF and DKIM alignment, and protect your domain from spoofing. Checked every ten minutes, alerts by email
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85 % |
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