https://gf.dev/secure-headers-test
Security Headers Audit | GF.dev Geek Tools
Scan your site for missing protection headers like HSTS, CSP, and X-Frame-Options.
security headers auditgeek toolsgfdev
https://gf.dev/wordpress-security-scanner
WordPress Vulnerability Scan | GF.dev Geek Tools
Check your WordPress site for exposed login pages and user enumeration.
wordpress vulnerability scangeek toolsgfdev
https://gf.dev/epoch-time
Current Unix Epoch Time Timestamp | GF.dev Geek Tools
Get the current Unix Epoch timestamp and UTC time instantly. Essential for debugging server logs and APIs.
unix epoch timegeek toolscurrenttimestamp
https://gf.dev/dns-lookup
DNS A Record Lookup Tool | GF.dev Geek Tools
Resolve a domain name to its IP address. Verify DNS propagation and server migration status.
dns a record lookupgeek tools
https://gf.dev/csp-test
Validate Content Security Policy (CSP) | GF.dev Geek Tools
Check if your site is protected against XSS. Analyze your CSP header configuration.
content security policygeek toolsvalidatecspgf
https://gf.dev/ttfb-test
Analyze Server Speed (TTFB) | GF.dev Geek Tools
Measure Time to First Byte. Identify backend latency and server performance bottlenecks.
geek toolsanalyzeserverspeedttfb
https://gf.dev/blacklist-test
Email Blacklist Check | GF.dev Geek Tools
Is your IP blocked? Check the Spamhaus blacklist instantly.
email blacklist checkgeek toolsgfdev
https://gf.dev/cross-domain-policy-test
Cross Domain XML Check | GF.dev Geek Tools
Check for legacy crossdomain.xml files.
cross domaingeek toolsxmlcheckgf
https://gf.dev/js-vulnerability-scanner
Audit JavaScript Libraries | GF.dev Geek Tools
Detect outdated or vulnerable frontend libraries like jQuery.
javascript librariesgeek toolsauditgfdev
https://gf.dev/port-scanner
Online Open Port Scanner (80, 443) | GF.dev Geek Tools
Scan a domain or IP for open ports instantly. Check if your web server (HTTP/HTTPS) is accessible from the outside.
open port scannergeek toolsonlinegfdev
https://gf.dev/server-signature-test
Server Signature Check | GF.dev Geek Tools
Check if your server exposes its software version (Nginx/Apache).
geek toolsserversignaturecheckgf
https://gf.dev/
GF.dev Geek Tools - Made by Geeks
A suite of free tools for developers and sysadmins. Check DNS, Security Headers, TTFB, and more.
geek toolsmade bygfdevgeeks
https://gf.dev/hsts-test
HSTS Security Check | GF.dev Geek Tools
Verify Strict-Transport-Security to prevent protocol downgrade attacks.
security checkgeek toolshstsgfdev
https://gf.dev/xss-protection-test
Legacy XSS Header Check | GF.dev Geek Tools
Check for the X-XSS-Protection header.
header checkgeek toolslegacyxssgf
https://gf.dev/secure-cookie-test
Secure Cookies Auditor | GF.dev Geek Tools
Verify HttpOnly and Secure flags on your site cookies.
geek toolssecurecookiesauditorgf
https://gf.dev/http-headers-test
Inspect HTTP Response Headers | GF.dev Geek Tools
View raw server headers to debug caching, security, and server configuration issues.
http response headersgeek toolsinspectgfdev
https://gf.dev/x-frame-options-test
Clickjacking Protection Test | GF.dev Geek Tools
Ensure your website cannot be embedded in malicious iframes.
clickjacking protection testgeek toolsgfdev
https://gf.dev/ping-test
Online Server Ping Test | GF.dev Geek Tools
Check if a website is down. Measure server latency and uptime from our remote server.
ping testgeek toolsonlineservergf
https://gf.dev/spf-record-test
Validate Email SPF Record | GF.dev Geek Tools
Check your DNS for SPF records to improve email deliverability and prevent spoofing.
validate emailspf recordgeek toolsgfdev