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SentryScore

Find out how secure your business domain really is. Free instant scan โ€” SSL, email protection, breach history, security headers. Get your score in 60 seconds.

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SentryScore

SentryScore Reviews and Details

This page is designed to help you find out whether SentryScore is good and if it is the right choice for you.

Screenshots and images

  • SentryScore SentryScore scan result โ€” guardrailworks.com scored 65.5 (Adequate)
    SentryScore scan result โ€” guardrailworks.com scored 65.5 (Adequate) //
    2026-03-30

Features & Specs

  1. SSL/TLS Analysis

    Grades SSL certificate via SSL Labs. Detects weak protocols, expired certs, and missing HSTS. Up to 25 pts.

  2. Email Security (SPF/DKIM/DMARC)

    Checks SPF, DKIM, and DMARC records. Without these, anyone can send email pretending to be your domain. Up to 25 pts.

  3. Breach History

    Queries HaveIBeenPwned for known data breaches tied to your domain. Know before your clients do. Up to 20 pts.

  4. HTTP Security Headers

    Verifies HSTS, CSP, X-Frame-Options, and other browser security controls are in place. Up to 15 pts.

  5. DNS Quality Check

    Checks MX records, DNSSEC, CAA records, and DNS hygiene signals that affect deliverability and security. Up to 15 pts.

  6. Plain-English Action Plan

    Every finding explained in plain English with priority-ranked fix steps. No security expertise required to understand or act on the results.

  7. Free Tier

    Basic domain scan always free. No account, no email required. Instant results in ~60 seconds.

  8. Domain Monitoring

    Weekly automated scans with email alerts when score drops 10+ points. New breach alerts within 24h. $97/mo.

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Questions & Answers

As answered by people managing SentryScore.
  1. What makes SentryScore unique?

    Most security tools either cost thousands a month or require a security expert to interpret the results. SentryScore is different on both counts.

    • Instant, plain-English results โ€” no jargon, no 40-page reports. You get a score and a clear explanation of what it means in under 60 seconds.
    • Zero setup โ€” type your domain, get your score. No agent installs, no API keys, no onboarding call.
    • Built for non-technical owners โ€” designed for the person running a dental practice or law firm, not for a CISO. Every finding includes a plain-English fix.
    • Covers what matters for SMBs โ€” SSL/TLS configuration, email spoofing protection (SPF/DKIM/DMARC), breach history, and security headers. The four things that actually get SMBs compromised.
    • Free tier that's genuinely useful โ€” most tools lock real data behind a paywall. SentryScore gives you a real score with real findings for free.
  2. Why should a person choose SentryScore over its competitors?

    The biggest competitors in this space โ€” SecurityTrails, Qualys, Nessus โ€” are enterprise tools priced and designed for enterprise teams. SentryScore is built from the ground up for the opposite end of the market.

    • Price: Competitors charge $500โ€“$5,000/month. SentryScore starts free, with paid monitoring at $97/month.
    • Time to value: Competitors take days to onboard. SentryScore takes 60 seconds โ€” no account required for a basic scan.
    • Audience fit: Competitors assume a technical user who understands CVEs and CVSS scores. SentryScore assumes a business owner who just wants to know if they're exposed and what to do about it.
    • Scope: We don't try to be a full vulnerability scanner. We focus on the four categories that cause the most SMB breaches: SSL/TLS, email authentication, breach exposure, and security headers. Narrow scope means sharper insights for a non-technical audience.

    If you're a Fortune 500 with a security team, use Qualys. If you're a 10-person law firm trying to understand your exposure, SentryScore was built for you.

  3. How would you describe the primary audience of SentryScore?

    SentryScore is built for small business owners and operators who are not security professionals โ€” specifically:

    • Healthcare practices โ€” dental offices, medical clinics, and mental health providers who handle PHI and need to demonstrate basic security hygiene for insurance and compliance
    • Law firms โ€” small to mid-size practices handling sensitive client data, subject to bar association ethics rules around data protection
    • Accounting and financial services firms โ€” businesses handling sensitive financial data subject to regulatory scrutiny
    • Any SMB owner who has been asked by a client, insurer, or vendor to demonstrate their security posture and doesnโ€™t know where to start

    The common thread: they know security matters, theyโ€™ve probably been asked about it, but they donโ€™t have an IT department or a CISO. They need answers fast, in plain English, without a six-figure contract.

  4. What's the story behind SentryScore?

    SentryScore was built out of a recurring frustration.

    Grant Heckman, the founder, has spent years in cybersecurity working with enterprise clients. When friends and family would ask โ€œAm I secure?โ€ or โ€œMy insurance company is asking about my security posture โ€” what do I even say?โ€ โ€” there was no good answer to point them to. Enterprise tools were overkill. Free tools were either useless or so technical they created more confusion than clarity.

    SentryScore started as an internal tool to quickly assess a domain's security health for SMB clients. After seeing how much value it delivered in seconds versus hours of manual work, we built it into a product anyone could use.

    The name reflects the mission: give every business a score they can understand, track, and act on โ€” the same way a credit score made personal finance legible to everyone.

  5. Which are the primary technologies used for building SentryScore?

    SentryScore is built on a modern, lightweight stack optimized for speed and reliability:

    • Backend: Python (FastAPI) โ€” fast async API serving all scoring logic
    • DNS/security checks: Native Python DNS resolution + direct DMARC/SPF/DKIM parsing
    • Breach data: HaveIBeenPwned API integration for domain breach history
    • SSL/TLS analysis: Direct socket inspection
    • Security headers: HTTP header analysis on live domains
    • Infrastructure: Cloudflare Tunnel (zero open ports, DDoS protection) + Cloudflare Pages (frontend)
    • Payments: Stripe (subscription billing for Domain Monitor)
    • Frontend: Vanilla HTML/CSS/JS โ€” no framework overhead, fast page loads, no tracking by default
  6. Who are some of the biggest customers of SentryScore?

    SentryScore launched in early 2026. We're in early growth โ€” users include small medical and dental practices, independent law firms, and accounting offices that have used the free scan to assess their domain exposure before a vendor audit or cyber insurance renewal.

    We don't name client names publicly at this stage, but our target segment is SMBs with 1โ€“50 employees in regulated industries (healthcare, legal, financial services) who need a quick, credible answer to the question: "How secure are we?"

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Is SentryScore good? This is an informative page that will help you find out. Moreover, you can review and discuss SentryScore here. The primary details have not been verified within the last quarter, and they might be outdated. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.