Valid from Wed, 27 Nov 2019 12:00:45 UTC
Valid until Tue, 25 Feb 2020 12:00:45 UTC (expires in 2 months and 21 days)
Key RSA 2048 bits (e 65537)
Weak key (Debian) No
Issuer Let's Encrypt Authority X3
AIA: http://cert.int-x3.letsencrypt.org/
Signature algorithm SHA256withRSA
Extended Validation No
Certificate Transparency Yes (certificate)
OCSP Must Staple No
Revocation information OCSP
OCSP: http://ocsp.int-x3.letsencrypt.org
Revocation status Good (not revoked)
DNS CAA No (more info)
Trusted Yes
Mozilla Apple Android Java Windows
Protocols
TLS 1.3 No
TLS 1.2 Yes
TLS 1.1 Yes
TLS 1.0 Yes
SSL 3 No
SSL 2 No
For TLS 1.3 tests, we only support RFC 8446.
DROWN No, server keys and hostname not seen elsewhere with SSLv2
(1) For a better understanding of this test, please read this longer explanation
(2) Key usage data kindly provided by the Censys network search engine; original DROWN website here
(3) Censys data is only indicative of possible key and certificate reuse; possibly out-of-date and not complete
Secure Renegotiation Supported
Secure Client-Initiated Renegotiation No
Insecure Client-Initiated Renegotiation No
BEAST attack Not mitigated server-side (more info) TLS 1.0: 0xa
POODLE (SSLv3) No, SSL 3 not supported (more info)
POODLE (TLS) No (more info)
Zombie POODLE No (more info) TLS 1.2 : 0x000a
GOLDENDOODLE No (more info) TLS 1.2 : 0x000a
OpenSSL 0-Length No (more info) TLS 1.2 : 0x000a
Sleeping POODLE No (more info) TLS 1.2 : 0x000a
Downgrade attack prevention Yes, TLS_FALLBACK_SCSV supported (more info)
SSL/TLS compression No
RC4 No
Heartbeat (extension) Yes
Heartbleed (vulnerability) No (more info)
Ticketbleed (vulnerability) No (more info)
OpenSSL CCS vuln. (CVE-2014-0224) No (more info)
OpenSSL Padding Oracle vuln.
(CVE-2016-2107) No (more info)
ROBOT (vulnerability) No (more info)
Forward Secrecy With some browsers (more info)
ALPN No
NPN No
Session resumption (caching) Yes
Session resumption (tickets) Yes
OCSP stapling No
Strict Transport Security (HSTS) No
HSTS Preloading Not in: Chrome Edge Firefox IE
Public Key Pinning (HPKP) No (more info)
Public Key Pinning Report-Only No
Public Key Pinning (Static) No (more info)
Long handshake intolerance No
TLS extension intolerance No
TLS version intolerance No
Incorrect SNI alerts No
Uses common DH primes No
DH public server param (Ys) reuse No
ECDH public server param reuse No
Supported Named Groups sect283k1, sect283r1, sect409k1, sect409r1, sect571k1, sect571r1, secp256k1, secp256r1, secp384r1, secp521r1, brainpoolP256r1, brainpoolP384r1, brainpoolP512r1 (Server has no preference)
SSL 2 handshake compatibility Yes