Further IP addresses: 104.26.13.118 104.26.12.118 2606:4700:20::681a:c76
2606:4700:20::681a:d76 2606:4700:20::ac43:4b09
A record via supplied IP "172.67.75.9"
rDNS (172.67.75.9): --
Service detected: HTTP
SSL/TLS protocols
SSLv2 not offered (OK)
SSLv3 not offered (OK)
TLS 1 offered
TLS 1.1 offered
TLS 1.2 offered (OK)
TLS 1.3 offered (OK): final
NPN/SPDY h2, http/1.1 (advertised)
ALPN/HTTP2 h2, http/1.1 (offered)
SSL/TLS server implementation bugs
No bugs found.
Cipher categories
NULL ciphers (no encryption) not offered (OK) -- NULL:eNULL
Anonymous NULL Ciphers (no authentication) not offered (OK) -- aNULL:ADH
Export ciphers (w/o ADH+NULL) not offered (OK) -- EXPORT:!ADH:!NULL
LOW: 64 Bit + DES encryption (w/o export) not offered (OK) -- LOW:DES:!ADH:!EXP:!NULL
Weak 128 Bit ciphers (SEED, IDEA, RC[2,4]) not offered (OK) -- MEDIUM:!aNULL:!AES:!CAMELLIA:!ARIA:!CHACHA20:!3DES
Triple DES Ciphers (Medium) offered -- 3DES:!aNULL:!ADH
High encryption (AES+Camellia, no AEAD) offered (OK) -- HIGH:!NULL:!aNULL:!DES:!3DES:!AESGCM:!CHACHA20:!AESGCM:!CamelliaGCM:!AESCCM8:!AESCCM
Strong encryption (AEAD ciphers) offered (OK) -- AESGCM:CHACHA20:AESGCM:CamelliaGCM:AESCCM8:AESCCM
Robust (perfect) forward secrecy, (P)FS -- omitting Null Authentication/Encryption, 3DES, RC4
PFS is offered (OK) TLS_AES_256_GCM_SHA384
TLS_CHACHA20_POLY1305_SHA256
ECDHE-ECDSA-CHACHA20-POLY1305-OLD
ECDHE-RSA-CHACHA20-POLY1305-OLD
ECDHE-RSA-AES256-GCM-SHA384
ECDHE-ECDSA-AES256-GCM-SHA384
ECDHE-RSA-AES256-SHA384 ECDHE-ECDSA-AES256-SHA384
ECDHE-RSA-AES256-SHA ECDHE-ECDSA-AES256-SHA
ECDHE-ECDSA-CHACHA20-POLY1305
ECDHE-RSA-CHACHA20-POLY1305
TLS_AES_128_GCM_SHA256
ECDHE-RSA-AES128-GCM-SHA256
ECDHE-ECDSA-AES128-GCM-SHA256
ECDHE-RSA-AES128-SHA256 ECDHE-ECDSA-AES128-SHA256
ECDHE-RSA-AES128-SHA ECDHE-ECDSA-AES128-SHA
Elliptic curves offered: prime256v1 secp384r1 secp521r1 X25519
Server preferences
Has server cipher order? yes (OK)
Negotiated protocol TLSv1.3
Negotiated cipher TLS_AES_256_GCM_SHA384, 253 bit ECDH (X25519)
Cipher order
TLSv1: ECDHE-RSA-AES128-SHA AES128-SHA ECDHE-RSA-AES256-SHA AES256-SHA
DES-CBC3-SHA
TLSv1.1: ECDHE-RSA-AES128-SHA AES128-SHA ECDHE-RSA-AES256-SHA AES256-SHA
TLSv1.2: ECDHE-ECDSA-CHACHA20-POLY1305-OLD ECDHE-ECDSA-CHACHA20-POLY1305
ECDHE-ECDSA-AES128-GCM-SHA256 ECDHE-ECDSA-AES128-SHA
ECDHE-ECDSA-AES128-SHA256 ECDHE-ECDSA-AES256-GCM-SHA384
ECDHE-ECDSA-AES256-SHA ECDHE-ECDSA-AES256-SHA384
ECDHE-RSA-CHACHA20-POLY1305-OLD ECDHE-RSA-CHACHA20-POLY1305
ECDHE-RSA-AES128-GCM-SHA256 ECDHE-RSA-AES128-SHA
ECDHE-RSA-AES128-SHA256 AES128-GCM-SHA256 AES128-SHA
AES128-SHA256 ECDHE-RSA-AES256-GCM-SHA384 ECDHE-RSA-AES256-SHA
ECDHE-RSA-AES256-SHA384 AES256-GCM-SHA384 AES256-SHA
AES256-SHA256
TLSv1.3: TLS_AES_256_GCM_SHA384 TLS_CHACHA20_POLY1305_SHA256
TLS_AES_128_GCM_SHA256
Server defaults (Server Hello)
TLS extensions (standard) "server name/#0" "renegotiation info/#65281"
"EC point formats/#11" "session ticket/#35"
"next protocol/#13172" "key share/#51"
"supported versions/#43"
"extended master secret/#23"
"application layer protocol negotiation/#16"
Session Ticket RFC 5077 hint 64800 seconds, session tickets keys seems to be rotated < daily
SSL Session ID support yes
Session Resumption Tickets: yes, ID: yes
TLS clock skew +49 sec from localtime
Server Certificate #1
Signature Algorithm SHA256 with RSA
Server key size RSA 2048 bits
Server key usage Digital Signature, Key Encipherment
Server extended key usage TLS Web Server Authentication, TLS Web Client Authentication
Serial / Fingerprints 066087E28BED2DE80D810854E54436CE / SHA1 DCADAFDF0D577C73AA0103DB48A0C401D64BE40B
SHA256 7B0E5C0965680233FC552BF5A2731E496F08F55F9CF74765217F5395219427C0
Common Name (CN) sni.cloudflaressl.com (request w/o SNI didn't succeed)
subjectAltName (SAN) viewdns.info sni.cloudflaressl.com
*.viewdns.info
Issuer Cloudflare Inc RSA CA-2 (Cloudflare, Inc. from US)
Trust (hostname) Ok via SAN (SNI mandatory)
Chain of trust Ok
EV cert (experimental) no
Certificate Validity (UTC) 312 >= 60 days (2020-07-08 00:00 --> 2021-07-08 12:00)
# of certificates provided 2
Certificate Revocation List http://crl3.digicert.com/CloudflareIncRSACA-2.crl
http://crl4.digicert.com/CloudflareIncRSACA-2.crl
OCSP URI http://ocsp.digicert.com
OCSP stapling not offered
OCSP must staple extension --
DNS CAA RR (experimental) not offered
Certificate Transparency yes (certificate extension)
Server Certificate #2
Signature Algorithm ECDSA with SHA256
Server key size EC 256 bits
Server key usage Digital Signature
Server extended key usage TLS Web Server Authentication, TLS Web Client Authentication
Serial / Fingerprints 0EDDDE5F68943B98E4832AB5EBCF745A / SHA1 5E5427CC69D0A034C72B7FF0A846F6E36A0A80F7
SHA256 373973FCF74F390567C80ACB09FAF631BACEB091DC6FF10AC59E69E47EE85BDD
Common Name (CN) sni.cloudflaressl.com (request w/o SNI didn't succeed, usual for EC certificates)
subjectAltName (SAN) sni.cloudflaressl.com *.viewdns.info
viewdns.info
Issuer Cloudflare Inc ECC CA-3 (Cloudflare, Inc. from US)
Trust (hostname) Ok via SAN (SNI mandatory)
Chain of trust Ok
EV cert (experimental) no
Certificate Validity (UTC) 312 >= 60 days (2020-07-08 00:00 --> 2021-07-08 12:00)
# of certificates provided 2
Certificate Revocation List http://crl3.digicert.com/CloudflareIncECCCA-3.crl
http://crl4.digicert.com/CloudflareIncECCCA-3.crl
OCSP URI http://ocsp.digicert.com
OCSP stapling not offered
OCSP must staple extension --
DNS CAA RR (experimental) not offered
Certificate Transparency yes (certificate extension)
HTTP header response @ "/"
HTTP Status Code 200 OK
HTTP clock skew +49 sec from localtime
Strict Transport Security not offered
Public Key Pinning --
Server banner cloudflare
Application banner --
Cookie(s) 1 issued: NOT secure, 1/1 HttpOnly
Security headers Expect-CT max-age=604800,
report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Reverse Proxy banner --
SSL/TLS vulnerabilities
Heartbleed (CVE-2014-0160) not vulnerable (OK), no heartbeat extension
CCS (CVE-2014-0224) not vulnerable (OK)
Ticketbleed (CVE-2016-9244), experiment. not vulnerable (OK), no session tickets
ROBOT not vulnerable (OK)
Secure Renegotiation (CVE-2009-3555) not vulnerable (OK)
Secure Client-Initiated Renegotiation not vulnerable (OK)
CRIME, TLS (CVE-2012-4929) not vulnerable (OK)
BREACH (CVE-2013-3587) potentially NOT ok, uses br HTTP compression. - 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) VULNERABLE, uses 64 bit block ciphers
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
https://censys.io/ipv4?q=7B0E5C0965680233FC552BF5A2731E496F08F55F9CF74765217F5395219427C0
could help you to find out
LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no DH key detected
BEAST (CVE-2011-3389) TLS1: ECDHE-RSA-AES128-SHA
AES128-SHA
ECDHE-RSA-AES256-SHA
AES256-SHA DES-CBC3-SHA
VULNERABLE -- but also supports higher protocols TLSv1.1 TLSv1.2 (likely mitigated)
LUCKY13 (CVE-2013-0169), experimental potentially VULNERABLE, uses cipher block chaining (CBC) ciphers with TLS. Check patches
RC4 (CVE-2013-2566, CVE-2015-2808) no RC4 ciphers detected (OK)
Tested 364 ciphers, ordered by encryption strength
Hexcode Cipher Suite Name (OpenSSL) KeyExch. Encryption Bits Cipher Suite Name (RFC)
-----------------------------------------------------------------------------------------------------------------------------
x1302 TLS_AES_256_GCM_SHA384 ECDH 253 AESGCM 256 TLS_AES_256_GCM_SHA384
x1303 TLS_CHACHA20_POLY1305_SHA256 ECDH 253 ChaCha20 256 TLS_CHACHA20_POLY1305_SHA256
xcc14 ECDHE-ECDSA-CHACHA20-POLY1305-OLD ECDH 256 ChaCha20 256 TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256_OLD
xcc13 ECDHE-RSA-CHACHA20-POLY1305-OLD ECDH 256 ChaCha20 256 TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256_OLD
xc030 ECDHE-RSA-AES256-GCM-SHA384 ECDH 256 AESGCM 256 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
xc02c ECDHE-ECDSA-AES256-GCM-SHA384 ECDH 256 AESGCM 256 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
xc028 ECDHE-RSA-AES256-SHA384 ECDH 256 AES 256 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
xc024 ECDHE-ECDSA-AES256-SHA384 ECDH 256 AES 256 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
xc014 ECDHE-RSA-AES256-SHA ECDH 256 AES 256 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
xc00a ECDHE-ECDSA-AES256-SHA ECDH 256 AES 256 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
xcca9 ECDHE-ECDSA-CHACHA20-POLY1305 ECDH 253 ChaCha20 256 TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
xcca8 ECDHE-RSA-CHACHA20-POLY1305 ECDH 253 ChaCha20 256 TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
x9d AES256-GCM-SHA384 RSA AESGCM 256 TLS_RSA_WITH_AES_256_GCM_SHA384
x3d AES256-SHA256 RSA AES 256 TLS_RSA_WITH_AES_256_CBC_SHA256
x35 AES256-SHA RSA AES 256 TLS_RSA_WITH_AES_256_CBC_SHA
x1301 TLS_AES_128_GCM_SHA256 ECDH 253 AESGCM 128 TLS_AES_128_GCM_SHA256
xc02f ECDHE-RSA-AES128-GCM-SHA256 ECDH 256 AESGCM 128 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
xc02b ECDHE-ECDSA-AES128-GCM-SHA256 ECDH 256 AESGCM 128 TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
xc027 ECDHE-RSA-AES128-SHA256 ECDH 256 AES 128 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
xc023 ECDHE-ECDSA-AES128-SHA256 ECDH 256 AES 128 TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
xc013 ECDHE-RSA-AES128-SHA ECDH 256 AES 128 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
xc009 ECDHE-ECDSA-AES128-SHA ECDH 256 AES 128 TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
x9c AES128-GCM-SHA256 RSA AESGCM 128 TLS_RSA_WITH_AES_128_GCM_SHA256
x3c AES128-SHA256 RSA AES 128 TLS_RSA_WITH_AES_128_CBC_SHA256
x2f AES128-SHA RSA AES 128 TLS_RSA_WITH_AES_128_CBC_SHA
x0a DES-CBC3-SHA RSA 3DES 168 TLS_RSA_WITH_3DES_EDE_CBC_SHA
Ciphers per protocol, ordered by encryption strength
Hexcode Cipher Suite Name (OpenSSL) KeyExch. Encryption Bits Cipher Suite Name (RFC)
-----------------------------------------------------------------------------------------------------------------------------
TLS 1.3
x1302 TLS_AES_256_GCM_SHA384 ECDH 253 AESGCM 256 TLS_AES_256_GCM_SHA384
x1303 TLS_CHACHA20_POLY1305_SHA256 ECDH 253 ChaCha20 256 TLS_CHACHA20_POLY1305_SHA256
x1301 TLS_AES_128_GCM_SHA256 ECDH 253 AESGCM 128 TLS_AES_128_GCM_SHA256
TLS 1.2
xcc14 ECDHE-ECDSA-CHACHA20-POLY1305-OLD ECDH 256 ChaCha20 256 TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256_OLD
xcc13 ECDHE-RSA-CHACHA20-POLY1305-OLD ECDH 256 ChaCha20 256 TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256_OLD
xc030 ECDHE-RSA-AES256-GCM-SHA384 ECDH 256 AESGCM 256 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
xc02c ECDHE-ECDSA-AES256-GCM-SHA384 ECDH 256 AESGCM 256 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
xc028 ECDHE-RSA-AES256-SHA384 ECDH 256 AES 256 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
xc024 ECDHE-ECDSA-AES256-SHA384 ECDH 256 AES 256 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
xc014 ECDHE-RSA-AES256-SHA ECDH 256 AES 256 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
xc00a ECDHE-ECDSA-AES256-SHA ECDH 256 AES 256 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
xcca9 ECDHE-ECDSA-CHACHA20-POLY1305 ECDH 253 ChaCha20 256 TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
xcca8 ECDHE-RSA-CHACHA20-POLY1305 ECDH 253 ChaCha20 256 TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
x9d AES256-GCM-SHA384 RSA AESGCM 256 TLS_RSA_WITH_AES_256_GCM_SHA384
x3d AES256-SHA256 RSA AES 256 TLS_RSA_WITH_AES_256_CBC_SHA256
x35 AES256-SHA RSA AES 256 TLS_RSA_WITH_AES_256_CBC_SHA
xc02f ECDHE-RSA-AES128-GCM-SHA256 ECDH 256 AESGCM 128 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
xc02b ECDHE-ECDSA-AES128-GCM-SHA256 ECDH 256 AESGCM 128 TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
xc027 ECDHE-RSA-AES128-SHA256 ECDH 256 AES 128 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
xc023 ECDHE-ECDSA-AES128-SHA256 ECDH 256 AES 128 TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
xc013 ECDHE-RSA-AES128-SHA ECDH 256 AES 128 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
xc009 ECDHE-ECDSA-AES128-SHA ECDH 256 AES 128 TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
x9c AES128-GCM-SHA256 RSA AESGCM 128 TLS_RSA_WITH_AES_128_GCM_SHA256
x3c AES128-SHA256 RSA AES 128 TLS_RSA_WITH_AES_128_CBC_SHA256
x2f AES128-SHA RSA AES 128 TLS_RSA_WITH_AES_128_CBC_SHA
TLS 1.1
xc014 ECDHE-RSA-AES256-SHA ECDH 256 AES 256 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
x35 AES256-SHA RSA AES 256 TLS_RSA_WITH_AES_256_CBC_SHA
xc013 ECDHE-RSA-AES128-SHA ECDH 256 AES 128 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
x2f AES128-SHA RSA AES 128 TLS_RSA_WITH_AES_128_CBC_SHA
TLS 1
xc014 ECDHE-RSA-AES256-SHA ECDH 256 AES 256 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
x35 AES256-SHA RSA AES 256 TLS_RSA_WITH_AES_256_CBC_SHA
xc013 ECDHE-RSA-AES128-SHA ECDH 256 AES 128 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
x2f AES128-SHA RSA AES 128 TLS_RSA_WITH_AES_128_CBC_SHA
x0a DES-CBC3-SHA RSA 3DES 168 TLS_RSA_WITH_3DES_EDE_CBC_SHA
SSLv3
SSLv2
Client simulations
Android 2.3.7 No connection
Android 4.0.4 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Android 4.1.1 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Android 4.2.2 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Android 4.3 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Android 4.4.2 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Android 5.0.0 TLSv1.2 ECDHE-ECDSA-CHACHA20-POLY1305-OLD, 256 bit ECDH (P-256)
Android 6.0 TLSv1.2 ECDHE-ECDSA-CHACHA20-POLY1305-OLD, 256 bit ECDH (P-256)
Android 7.0 TLSv1.2 ECDHE-ECDSA-CHACHA20-POLY1305, 253 bit ECDH (X25519)
Chrome 27 Win 7 TLSv1.1 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Chrome 28 Win 7 TLSv1.1 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Chrome 29 Win 7 TLSv1.1 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Chrome 30 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
Chrome 31 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 32 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 33 Win 7 TLSv1.2 ECDHE-ECDSA-CHACHA20-POLY1305-OLD, 256 bit ECDH (P-256)
Chrome 34 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 35 Win 7 TLSv1.2 ECDHE-ECDSA-CHACHA20-POLY1305-OLD, 256 bit ECDH (P-256)
Chrome 36 Win 7 TLSv1.2 ECDHE-ECDSA-CHACHA20-POLY1305-OLD, 256 bit ECDH (P-256)
Chrome 37 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 39 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 40 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 42 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 43 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 45 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 47 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 48 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 49 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 49 XP SP3 TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Chrome 50 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
Chrome 51 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
Chrome 57 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
Chrome 65 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
Chrome 69 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
Chrome 70 Win 10 TLSv1.3 TLS_AES_128_GCM_SHA256, 253 bit ECDH (X25519)
Firefox 10.0.12 ESR Win 7 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Firefox 17.0.7 ESR Win 7 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Firefox 21 Fedora 19 TLSv1.0 AES128-SHA
Firefox 21 Win 7 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Firefox 22 Win 7 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Firefox 24.2.0 ESR Win 7 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Firefox 24 Win 7 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Firefox 26 Win 8 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Firefox 27 Win 8 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 29 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 30 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 31.3.0 ESR Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 31 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 32 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 34 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 35 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 37 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 39 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 41 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 42 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 44 OS X TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 45 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 46 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 47 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 49 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 49 XP SP3 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Firefox 53 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
Firefox 59 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
Firefox 62 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
IE 6 XP No connection
IE 7 Vista TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
IE 8-10 Win 7 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
IE 8 Win 7 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
IE 8 XP No connection
IE 9 Win 7 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
IE 10 Win Phone 8.0 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
IE 11 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
IE 11 Win 8.1 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
IE 11 Win Phone 8.1 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
IE 11 Win Phone 8.1 Update TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
IE 11 Win 10 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
IE 11 Win 10 Preview TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Edge 12 Win 10 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Edge 13 Win 10 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Edge 13 Win Phone 10 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Edge 15 Win 10 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
Opera 12.15 Win 7 TLSv1.0 AES128-SHA
Opera 15 Win 7 TLSv1.1 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Opera 16 Win 7 TLSv1.1 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Opera 17 Win 7 TLSv1.2 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
Safari 5.1.9 OS X 10.6.8 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Safari 5 iOS 5.1.1 TLSv1.2 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
Safari 6.0.4 OS X 10.8.4 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Safari 6 iOS 6.0.1 TLSv1.2 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
Safari 7 iOS 7.1 TLSv1.2 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
Safari 7 OS X 10.9 TLSv1.2 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
Safari 8 iOS 8.0 Beta TLSv1.2 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
Safari 8 iOS 8.4 TLSv1.2 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
Safari 8 OS X 10.10 TLSv1.2 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
Safari 9 iOS 9 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Safari 9 OS X 10.11 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Safari 10 iOS 10 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Safari 10 OS X 10.12 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Tor 17.0.9 Win 7 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Apple ATS 9 iOS 9 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Baidu Jan 2015 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
BingBot Dec 2013 No connection
BingPreview Dec 2013 TLSv1.0 AES128-SHA
BingPreview Jun 2014 TLSv1.0 AES128-SHA
BingPreview Jan 2015 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Googlebot Oct 2013 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Googlebot Jun 2014 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Googlebot Feb 2015 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Googlebot Feb 2018 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
Yahoo Slurp Oct 2013 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Yahoo Slurp Jun 2014 No connection
Yahoo Slurp Jan 2015 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
YandexBot 3.0 No connection
YandexBot May 2014 TLSv1.0 AES128-SHA
YandexBot Sep 2014 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
YandexBot Jan 2015 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Java 6u45 No connection
Java 7u25 TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
Java 8b132 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Java 8u111 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Java 8u161 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Java 8u31 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
Java 9.0.4 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
OpenSSL 0.9.8y TLSv1.0 AES128-SHA
OpenSSL 1.0.1h TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
OpenSSL 1.0.1l TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
OpenSSL 1.0.2e TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)