Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of mta-sts.domusvi.pt. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 37.97.245.107 85.10.146.118 ----------------------------------------------------- Start 2026-04-28 10:45:48 -->> 37.97.245.107:443 (mta-sts.domusvi.pt) <<-- Further IP addresses: 85.10.146.118 2a01:7c8:bb0c:2f4::1 2a01:7c8:fffa:a5::1 rDNS (37.97.245.107): web1.mailhardener.com. 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 Mailhardener MTA-STS Application banner -- Cookie(s) (none issued at "/") Security headers X-Frame-Options: DENY X-Content-Type-Options: nosniff Content-Security-Policy: default-src 'self'; script-src 'none'; frame-ancestors 'none'; upgrade-insecure-requests; Permissions-Policy: accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), usb=(), midi=(), sync-xhr=() Permissions-Policy: accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), usb=(), midi=(), sync-xhr=() Referrer-Policy: no-referrer 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) No fallback possible (OK), no protocol below TLS 1.2 offered 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) make sure you don't use this certificate elsewhere with SSLv2 enabled services, see https://search.censys.io/search?resource=hosts&virtual_hosts=INCLUDE&q=1882AD36E1C348263EDD66C720C8DA6C16FDD7C6188AF63C4693F0BCE3A44623 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 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 2026-04-28 10:46:41 [ 62s] -->> 37.97.245.107:443 (mta-sts.domusvi.pt) <<-- ----------------------------------------------------- Start 2026-04-28 10:46:41 -->> 85.10.146.118:443 (mta-sts.domusvi.pt) <<-- Further IP addresses: 37.97.245.107 2a01:7c8:bb0c:2f4::1 2a01:7c8:fffa:a5::1 rDNS (85.10.146.118): web2.mailhardener.com. 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 Mailhardener MTA-STS Application banner -- Cookie(s) (none issued at "/") Security headers X-Frame-Options: DENY X-Content-Type-Options: nosniff Content-Security-Policy: default-src 'self'; script-src 'none'; frame-ancestors 'none'; upgrade-insecure-requests; Permissions-Policy: accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), usb=(), midi=(), sync-xhr=() Permissions-Policy: accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), usb=(), midi=(), sync-xhr=() Referrer-Policy: no-referrer 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) No fallback possible (OK), no protocol below TLS 1.2 offered 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) make sure you don't use this certificate elsewhere with SSLv2 enabled services, see https://search.censys.io/search?resource=hosts&virtual_hosts=INCLUDE&q=1882AD36E1C348263EDD66C720C8DA6C16FDD7C6188AF63C4693F0BCE3A44623 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 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 2026-04-28 10:47:43 [ 124s] -->> 85.10.146.118:443 (mta-sts.domusvi.pt) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 37.97.245.107 85.10.146.118
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.