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Scanward — External Security Scanner & Attack Surface Monitoring
Free external security scanner and domain security scanner. Scanward monitors your domains for SSL, DNS, email security, HTTP headers, uptime, and domain exp...
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87 % |
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SecureLinks - Know before you click
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87 % |
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SCANCOMPASS
A free external security assessment for your website: understandable findings, plain-English explanations, and concrete remediation guidance.
|
86 % |
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SafeSiteScan — Website Safety Checks, Domain Verification & Clear Reports
Verify domain ownership, scan for common security and trust issues, and get clear reports to fix problems before they affect traffic, sales, or reputation.
|
85 % |
|
SSLTrackr — SSL Certificate & Domain Monitoring
Monitor SSL certificates and domain expiration. Get security grades and proactive alerts via email, SMS, Slack. Free up to 10 domains.
|
85 % |
|
Wraith — See what your domain exposes
Verify ownership, run a controlled external security assessment, and receive a clear report with practical fixes. One-time payment, no subscription.
|
85 % |
|
Domain AI Security Scanner — Check Domain Safety & Reputation | SecureDomainScore
Scan any domain in seconds. SecureDomainScore uses AI to analyze DNS, SSL, blacklists, WHOIS and 40+ threat signals, then returns a clear A–F trust score. Fr...
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85 % |
|
PhantomStrike: external attack surface monitoring
Scan your domain free and see what attackers can already read about you, get the exact DNS records that fix it, and be told the moment anything drifts. Nothi...
|
85 % |
|
SentryScore — Free Domain Security Score for Small Businesses
Find out how secure your business domain really is. Free instant scan — checks SSL, email spoofing protection (SPF/DKIM/DMARC), breach history, and security...
|
85 % |
|
Free SSL Certificate & Domain Security Checker | CertNotify
Free SSL checker, domain expiry monitor and DNS lookup tools. Track certificate security, DNSSEC health and email authentication, with alerts before expiry.
|
85 % |
|
Prism — See through every site.
Paste any URL and find out instantly if it's safe to share your personal information, password, or card details. Free, instant, no signup required.
|
85 % |
|
SSLNudge — SSL certificate monitoring & expiry alerts · SSLNudge
Add your domains once and get alerted well before any SSL/TLS certificate expires or breaks. Daily checks, email + Slack + webhook alerts, and a clean dashbo...
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85 % |
|
SSL, DNS & Domain Expiry Checker — free domain health check
Check your SSL certificate, DNS propagation, and domain registration expiry in one scan — and find out why anything is broken. Free, no signup, nothing stored.
|
85 % |
|
DomSec HQ — Free Domain Security Scanner (SPF, DKIM, DMARC & More)
Check your domain's email security in seconds — SPF, DKIM, DMARC, BIMI, SSL, blacklist status, and more. Free instant scan, no signup needed.
|
85 % |
|
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.
|
84 % |
|
DotDeeper - Free Domain, DNS & SSL Monitoring
Free domain monitoring for DNS, nameservers, SSL certificates, and SPF/DKIM/DMARC email auth. Instant alerts the moment something changes.
|
84 % |
|
VulnerabilityScore: Know Your Number in 30 Seconds
|
84 % |
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RenewSignal — Domain & SSL Expiry Monitoring for Agencies
Never miss a domain registration or SSL certificate expiry again. RenewSignal monitors all your client domains in one clean dashboard and alerts you before t...
|
84 % |
|
URLSiege — Security Scanning for Developers
Passive security scanning for your live site. 16 modules check SSL, headers, DNS, open ports, exposed files, and AI crawler exposure. AI-narrated report.
|
84 % |
|
Lapse. Don't let your SSL or domain lapse.
Check SSL certificate and domain registration expiry in seconds. Free, no signup. Paid monitoring with email alerts when SSL, domain, or blacklists need atte...
|
84 % |
Detected social media networks