Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of dnsdumpster.com. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 104.21.79.188 172.67.147.27 ----------------------------------------------------- Start 2026-09-13 18:09:26 -->> 104.21.79.188:443 (dnsdumpster.com) <<-- Further IP addresses: 172.67.147.27 2606:4700:3035::ac43:931b 2606:4700:3035::6815:4fbc rDNS (104.21.79.188): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew +252 sec from localtime HTTP Age (RFC 7234) 252 Strict Transport Security 3600 s = 0 days is too short ( >= 15552000 seconds recommended), just this domain Public Key Pinning -- Server banner cloudflare Application banner -- Cookie(s) (none issued at "/") Security headers misconfiguration: X-Frame-Options 2x -- checking first one only X-Frame-Options: DENY misconfiguration: X-Content-Type-Options 2x -- checking first one only X-Content-Type-Options: nosniff Content-Security-Policy: default-src 'self'; script-src 'self' https://challenges.cloudflare.com; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self'; frame-src https://challenges.cloudflare.com; connect-src 'self'; form-action 'self' https://checkout.stripe.com https://dnsdumpster.us17.list-manage.com; frame-ancestors 'none'; base-uri 'none' Cross-Origin-Opener-Policy: same-origin misconfiguration: Referrer-Policy 2x -- checking first one only Referrer-Policy: strict-origin-when-cross-origin Cache-Control: public, max-age=300, s-maxage=300, must-revalidate Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) supported (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) potentially NOT ok, "br gzip" HTTP compression detected. - only supplied "/" tested Can be ignored for static pages or if no secrets in the page POODLE, SSL (CVE-2014-3566) not vulnerable (OK) TLS_FALLBACK_SCSV (RFC 7507) Downgrade attack prevention supported (OK) SWEET32 (CVE-2016-2183, CVE-2016-6329) not vulnerable (OK) FREAK (CVE-2015-0204) not vulnerable (OK) DROWN (CVE-2016-0800, CVE-2016-0703) not vulnerable on this host and port (OK) no RSA certificate, thus certificate can't be used with SSLv2 elsewhere LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no DH key detected with <= TLS 1.2 BEAST (CVE-2011-3389) TLS1: ECDHE-ECDSA-AES128-SHA ECDHE-ECDSA-AES256-SHA VULNERABLE -- but also supports higher protocols TLSv1.1 TLSv1.2 (likely mitigated) LUCKY13 (CVE-2013-0169), experimental potentially VULNERABLE, uses obsolete cipher block chaining ciphers with TLS, see server prefs. Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) no RC4 ciphers detected (OK) Done 2026-09-13 18:10:18 [ 62s] -->> 104.21.79.188:443 (dnsdumpster.com) <<-- ----------------------------------------------------- Start 2026-09-13 18:10:18 -->> 172.67.147.27:443 (dnsdumpster.com) <<-- Further IP addresses: 104.21.79.188 2606:4700:3035::ac43:931b 2606:4700:3035::6815:4fbc rDNS (172.67.147.27): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew +2 sec from localtime HTTP Age (RFC 7234) 2 Strict Transport Security 3600 s = 0 days is too short ( >= 15552000 seconds recommended), just this domain Public Key Pinning -- Server banner cloudflare Application banner -- Cookie(s) (none issued at "/") Security headers misconfiguration: X-Frame-Options 2x -- checking first one only X-Frame-Options: DENY misconfiguration: X-Content-Type-Options 2x -- checking first one only X-Content-Type-Options: nosniff Content-Security-Policy: default-src 'self'; script-src 'self' https://challenges.cloudflare.com; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self'; frame-src https://challenges.cloudflare.com; connect-src 'self'; form-action 'self' https://checkout.stripe.com https://dnsdumpster.us17.list-manage.com; frame-ancestors 'none'; base-uri 'none' Cross-Origin-Opener-Policy: same-origin misconfiguration: Referrer-Policy 2x -- checking first one only Referrer-Policy: strict-origin-when-cross-origin Cache-Control: public, max-age=300, s-maxage=300, must-revalidate Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) supported (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) potentially NOT ok, "br gzip" HTTP compression detected. - only supplied "/" tested Can be ignored for static pages or if no secrets in the page POODLE, SSL (CVE-2014-3566) not vulnerable (OK) TLS_FALLBACK_SCSV (RFC 7507) Downgrade attack prevention supported (OK) SWEET32 (CVE-2016-2183, CVE-2016-6329) not vulnerable (OK) FREAK (CVE-2015-0204) not vulnerable (OK) DROWN (CVE-2016-0800, CVE-2016-0703) not vulnerable on this host and port (OK) no RSA certificate, thus certificate can't be used with SSLv2 elsewhere LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no DH key detected with <= TLS 1.2 BEAST (CVE-2011-3389) TLS1: ECDHE-ECDSA-AES128-SHA ECDHE-ECDSA-AES256-SHA VULNERABLE -- but also supports higher protocols TLSv1.1 TLSv1.2 (likely mitigated) LUCKY13 (CVE-2013-0169), experimental potentially VULNERABLE, uses obsolete cipher block chaining ciphers with TLS, see server prefs. Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) no RC4 ciphers detected (OK) Done 2026-09-13 18:11:10 [ 114s] -->> 172.67.147.27:443 (dnsdumpster.com) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 104.21.79.188 172.67.147.27
About this Scan
This scan uses testssl.sh to check for:
- Protocols: SSLv2, SSLv3, TLS 1.0, TLS 1.1, TLS 1.2, TLS 1.3
- Vulnerabilities: Heartbleed, POODLE, FREAK, Logjam, DROWN, etc.
- Cipher Suites: Weak ciphers, perfect forward secrecy (PFS) support.