Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of pcdn.cdntrex.com. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 43.250.53.112 43.250.53.110 43.250.53.103 43.250.53.109 43.250.53.70 43.250.53.60 43.250.53.26 43.250.53.62 43.250.53.67 43.250.53.69 ----------------------------------------------------- Start 2026-09-21 19:04:36 -->> 43.250.53.112:443 (pcdn.cdntrex.com) <<-- Further IP addresses: 43.250.53.69 43.250.53.110 43.250.53.103 43.250.53.109 43.250.53.70 43.250.53.60 43.250.53.26 43.250.53.62 43.250.53.67 rDNS (43.250.53.112): -- Service detected: HTTP pcdn.cdntrex.com:443 appeared to support TLS 1.3 ONLY. Thus switched automagically from "/app/testssl.sh/bin/openssl.Linux.x86_64" to "/usr/bin/openssl". Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime Strict Transport Security 730 days=63072000 s, just this domain Public Key Pinning -- Server banner nginx Application banner -- Cookie(s) (none issued at "/") Security headers -- Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) not vulnerable (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) no gzip/deflate/compress/br HTTP compression (OK) - only supplied "/" tested POODLE, SSL (CVE-2014-3566) not vulnerable (OK), no SSLv3 support TLS_FALLBACK_SCSV (RFC 7507) No fallback possible (OK), TLS 1.3 is the only protocol 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) not vulnerable (OK), no SSL3 or TLS1 LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) not vulnerable (OK) Done 2026-09-21 19:05:05 [ 40s] -->> 43.250.53.112:443 (pcdn.cdntrex.com) <<-- ----------------------------------------------------- Start 2026-09-21 19:05:05 -->> 43.250.53.110:443 (pcdn.cdntrex.com) <<-- Further IP addresses: 43.250.53.69 43.250.53.112 43.250.53.103 43.250.53.109 43.250.53.70 43.250.53.60 43.250.53.26 43.250.53.62 43.250.53.67 rDNS (43.250.53.110): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime Strict Transport Security 730 days=63072000 s, just this domain Public Key Pinning -- Server banner nginx Application banner -- Cookie(s) (none issued at "/") Security headers -- Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) not vulnerable (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) no gzip/deflate/compress/br HTTP compression (OK) - only supplied "/" tested POODLE, SSL (CVE-2014-3566) not vulnerable (OK), no SSLv3 support TLS_FALLBACK_SCSV (RFC 7507) No fallback possible (OK), TLS 1.3 is the only protocol 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) not vulnerable (OK), no SSL3 or TLS1 LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) not vulnerable (OK) Done 2026-09-21 19:05:24 [ 59s] -->> 43.250.53.110:443 (pcdn.cdntrex.com) <<-- ----------------------------------------------------- Start 2026-09-21 19:05:24 -->> 43.250.53.103:443 (pcdn.cdntrex.com) <<-- Further IP addresses: 43.250.53.69 43.250.53.112 43.250.53.110 43.250.53.109 43.250.53.70 43.250.53.60 43.250.53.26 43.250.53.62 43.250.53.67 rDNS (43.250.53.103): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime Strict Transport Security 730 days=63072000 s, just this domain Public Key Pinning -- Server banner nginx Application banner -- Cookie(s) (none issued at "/") Security headers -- Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) not vulnerable (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) no gzip/deflate/compress/br HTTP compression (OK) - only supplied "/" tested POODLE, SSL (CVE-2014-3566) not vulnerable (OK), no SSLv3 support TLS_FALLBACK_SCSV (RFC 7507) No fallback possible (OK), TLS 1.3 is the only protocol 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) not vulnerable (OK), no SSL3 or TLS1 LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) not vulnerable (OK) Done 2026-09-21 19:05:47 [ 82s] -->> 43.250.53.103:443 (pcdn.cdntrex.com) <<-- ----------------------------------------------------- Start 2026-09-21 19:05:47 -->> 43.250.53.109:443 (pcdn.cdntrex.com) <<-- Further IP addresses: 43.250.53.69 43.250.53.112 43.250.53.110 43.250.53.103 43.250.53.70 43.250.53.60 43.250.53.26 43.250.53.62 43.250.53.67 rDNS (43.250.53.109): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime Strict Transport Security 730 days=63072000 s, just this domain Public Key Pinning -- Server banner nginx Application banner -- Cookie(s) (none issued at "/") Security headers -- Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) not vulnerable (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) no gzip/deflate/compress/br HTTP compression (OK) - only supplied "/" tested POODLE, SSL (CVE-2014-3566) not vulnerable (OK), no SSLv3 support TLS_FALLBACK_SCSV (RFC 7507) No fallback possible (OK), TLS 1.3 is the only protocol 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) not vulnerable (OK), no SSL3 or TLS1 LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) not vulnerable (OK) Done 2026-09-21 19:06:08 [ 103s] -->> 43.250.53.109:443 (pcdn.cdntrex.com) <<-- ----------------------------------------------------- Start 2026-09-21 19:06:08 -->> 43.250.53.70:443 (pcdn.cdntrex.com) <<-- Further IP addresses: 43.250.53.69 43.250.53.112 43.250.53.110 43.250.53.103 43.250.53.109 43.250.53.60 43.250.53.26 43.250.53.62 43.250.53.67 rDNS (43.250.53.70): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime Strict Transport Security 730 days=63072000 s, just this domain Public Key Pinning -- Server banner nginx Application banner -- Cookie(s) (none issued at "/") Security headers -- Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) not vulnerable (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) no gzip/deflate/compress/br HTTP compression (OK) - only supplied "/" tested POODLE, SSL (CVE-2014-3566) not vulnerable (OK), no SSLv3 support TLS_FALLBACK_SCSV (RFC 7507) No fallback possible (OK), TLS 1.3 is the only protocol 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) not vulnerable (OK), no SSL3 or TLS1 LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) not vulnerable (OK) Done 2026-09-21 19:06:31 [ 126s] -->> 43.250.53.70:443 (pcdn.cdntrex.com) <<-- ----------------------------------------------------- Start 2026-09-21 19:06:31 -->> 43.250.53.60:443 (pcdn.cdntrex.com) <<-- Further IP addresses: 43.250.53.69 43.250.53.112 43.250.53.110 43.250.53.103 43.250.53.109 43.250.53.70 43.250.53.26 43.250.53.62 43.250.53.67 rDNS (43.250.53.60): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime Strict Transport Security 730 days=63072000 s, just this domain Public Key Pinning -- Server banner nginx Application banner -- Cookie(s) (none issued at "/") Security headers -- Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) not vulnerable (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) no gzip/deflate/compress/br HTTP compression (OK) - only supplied "/" tested POODLE, SSL (CVE-2014-3566) not vulnerable (OK), no SSLv3 support TLS_FALLBACK_SCSV (RFC 7507) No fallback possible (OK), TLS 1.3 is the only protocol 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) not vulnerable (OK), no SSL3 or TLS1 LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) not vulnerable (OK) Done 2026-09-21 19:06:52 [ 147s] -->> 43.250.53.60:443 (pcdn.cdntrex.com) <<-- ----------------------------------------------------- Start 2026-09-21 19:06:52 -->> 43.250.53.26:443 (pcdn.cdntrex.com) <<-- Further IP addresses: 43.250.53.69 43.250.53.112 43.250.53.110 43.250.53.103 43.250.53.109 43.250.53.70 43.250.53.60 43.250.53.62 43.250.53.67 rDNS (43.250.53.26): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime Strict Transport Security 730 days=63072000 s, just this domain Public Key Pinning -- Server banner nginx Application banner -- Cookie(s) (none issued at "/") Security headers -- Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) not vulnerable (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) no gzip/deflate/compress/br HTTP compression (OK) - only supplied "/" tested POODLE, SSL (CVE-2014-3566) not vulnerable (OK), no SSLv3 support TLS_FALLBACK_SCSV (RFC 7507) No fallback possible (OK), TLS 1.3 is the only protocol 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) not vulnerable (OK), no SSL3 or TLS1 LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) not vulnerable (OK) Done 2026-09-21 19:07:19 [ 174s] -->> 43.250.53.26:443 (pcdn.cdntrex.com) <<-- ----------------------------------------------------- Start 2026-09-21 19:07:19 -->> 43.250.53.62:443 (pcdn.cdntrex.com) <<-- Further IP addresses: 43.250.53.69 43.250.53.112 43.250.53.110 43.250.53.103 43.250.53.109 43.250.53.70 43.250.53.60 43.250.53.26 43.250.53.67 rDNS (43.250.53.62): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime Strict Transport Security 730 days=63072000 s, just this domain Public Key Pinning -- Server banner nginx Application banner -- Cookie(s) (none issued at "/") Security headers -- Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) not vulnerable (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) no gzip/deflate/compress/br HTTP compression (OK) - only supplied "/" tested POODLE, SSL (CVE-2014-3566) not vulnerable (OK), no SSLv3 support TLS_FALLBACK_SCSV (RFC 7507) No fallback possible (OK), TLS 1.3 is the only protocol 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) not vulnerable (OK), no SSL3 or TLS1 LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) not vulnerable (OK) Done 2026-09-21 19:07:41 [ 196s] -->> 43.250.53.62:443 (pcdn.cdntrex.com) <<-- ----------------------------------------------------- Start 2026-09-21 19:07:41 -->> 43.250.53.67:443 (pcdn.cdntrex.com) <<-- Further IP addresses: 43.250.53.69 43.250.53.112 43.250.53.110 43.250.53.103 43.250.53.109 43.250.53.70 43.250.53.60 43.250.53.26 43.250.53.62 rDNS (43.250.53.67): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime Strict Transport Security 730 days=63072000 s, just this domain Public Key Pinning -- Server banner nginx Application banner -- Cookie(s) (none issued at "/") Security headers -- Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) not vulnerable (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) no gzip/deflate/compress/br HTTP compression (OK) - only supplied "/" tested POODLE, SSL (CVE-2014-3566) not vulnerable (OK), no SSLv3 support TLS_FALLBACK_SCSV (RFC 7507) No fallback possible (OK), TLS 1.3 is the only protocol 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) not vulnerable (OK), no SSL3 or TLS1 LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) not vulnerable (OK) Done 2026-09-21 19:08:01 [ 216s] -->> 43.250.53.67:443 (pcdn.cdntrex.com) <<-- ----------------------------------------------------- Start 2026-09-21 19:08:01 -->> 43.250.53.69:443 (pcdn.cdntrex.com) <<-- Further IP addresses: 43.250.53.112 43.250.53.110 43.250.53.103 43.250.53.109 43.250.53.70 43.250.53.60 43.250.53.26 43.250.53.62 43.250.53.67 rDNS (43.250.53.69): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew 0 sec from localtime Strict Transport Security 730 days=63072000 s, just this domain Public Key Pinning -- Server banner nginx Application banner -- Cookie(s) (none issued at "/") Security headers -- Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) not vulnerable (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) no gzip/deflate/compress/br HTTP compression (OK) - only supplied "/" tested POODLE, SSL (CVE-2014-3566) not vulnerable (OK), no SSLv3 support TLS_FALLBACK_SCSV (RFC 7507) No fallback possible (OK), TLS 1.3 is the only protocol 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) not vulnerable (OK), no SSL3 or TLS1 LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) not vulnerable (OK) Done 2026-09-21 19:08:23 [ 238s] -->> 43.250.53.69:443 (pcdn.cdntrex.com) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 43.250.53.112 43.250.53.110 43.250.53.103 43.250.53.109 43.250.53.70 43.250.53.60 43.250.53.26 43.250.53.62 43.250.53.67 43.250.53.69
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.