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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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89 % |
|
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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88 % |
|
SecurePulse — Security Health Monitoring
|
88 % |
|
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.
|
88 % |
|
Domain Health & Security Monitoring | CloudSpex
Monitor DNS, SSL, email security, uptime, redirects and domain risks with clear root-cause findings and actionable remediation guidance.
|
87 % |
|
CyberShield — Free Website Security Scanner | Check SSL, Ports & Email Security
Free instant security scan for your website. Check SSL certificate, open ports, email security (SPF/DKIM/DMARC), DNS, and malware flags in 30 seconds. No sig...
|
86 % |
|
SSL Certificate Checker - Free SSL/TLS Certificate Monitor & Expiration Checker
Free SSL certificate checker tool. Check SSL certificate expiration dates, validity, security grade, and get detailed certificate information. Monitor multip...
|
86 % |
|
SecRift - Domain security scanner with prioritized, actionable findings
Scan any domain’s email and DNS security - SPF, DMARC, MTA-STS, DANE, and DNSSEC, scanned in seconds.
|
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 % |
|
VulnerabilityScore: Know Your Number in 30 Seconds
|
85 % |
|
Veritsu — Domain security checks
Free external security checks for any domain — email authentication, SSL/TLS, security headers and security.txt — with a plain-English fix for anything that...
|
85 % |
|
Email Deliverability Testing | GoMailScore
Send an email to the address below and get a comprehensive analysis: SPF, DKIM, DMARC, blacklists, content quality, and 10 more checks. Detailed score with a...
|
85 % |
|
Secordly — Continuous External Security Monitoring
Know your domain security score in under a minute. Secordly continuously monitors email authentication, DNS, TLS, and brand impersonation — free to start, no...
|
85 % |
|
Free Website Security Scanner - Discover Vulnerabilities | Cavarette
Scan your website for security vulnerabilities in seconds. Free SSL/TLS check, security headers analysis, DNS records, and more. Protect your site before hac...
|
85 % |
|
LinkThreatScan — Free Website Scam & Threat Scanner
Free website scam checker. Scan any URL for phishing, malware, blacklists, SSL issues, DNS anomalies, and open ports. Get an instant risk score in seconds.
|
85 % |
|
Website Certs - SSL, DNS, and domain monitoring
SSL, DNS, and domain monitoring for websites and agencies. Get alerts before certificate, DNS, or HTTPS issues break production.
|
85 % |
|
CBWatch — Free Security Scanner & Website Security Check
Free security scanner for your website — check SPF/DMARC, TLS, headers, breach exposure & open ports. No signup, results in seconds, with a 0-100 score.
|
85 % |
|
WebsiteInfo
Enter a domain and get certificate expiry, SPF/DMARC email spoofing protection, DNS setup and security headers checked in seconds. Free, no signup.
|
84 % |
|
SecureLink - Domain Security Platform | Health Check & Attack Surface Monitoring
SecureLink checks your domain's security health — SSL, SPF, DMARC, security headers — and monitors your attack surface. Free domain health check, no account...
|
84 % |
|
Domain Security Posture · Perimeter Check
Understand your domain’s public security posture in minutes: DNS, TLS, HTTP headers, email authentication (SPF, DMARC, DKIM), technologies, exposure, and reg...
|
84 % |
Detected social media networks