Server Key and Certificate #1
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Subject |
correoweb.avianet.cu
Fingerprint SHA256: d22871035fca8b8d381fb1f5984d11f821b5da3ff791d5a3012dcb08ee2de767 Pin SHA256: ZPsjTmwCGyq9MMBlvcgQn67SJJEtuLt+b6XK5I1fIZg= |
Common names | correoweb.avianet.cu |
Alternative names | webmail.avianet.cu |
Serial Number | 172d759a8be4f072def2a7ede7f00e39622f09fa |
Valid from | Thu, 04 Apr 2024 21:40:38 UTC |
Valid until | Sat, 04 Apr 2026 21:40:38 UTC (expires in 1 year and 10 months) |
Key | RSA 4096 bits (e 65537) |
Weak key (Debian) | No |
Issuer | correoweb.avianet.cu Self-signed
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Signature algorithm | SHA256withRSA |
Extended Validation | No |
Certificate Transparency | No |
OCSP Must Staple | No |
Revocation information |
None |
DNS CAA | Yes policy host: webmail.avianet.cu issue: letsencrypt.org flags:0 |
Trusted | No NOT TRUSTED
(Why?)
Mozilla Apple Android Java Windows |
Additional Certificates (if supplied)
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Certificates provided | 1 (1454 bytes) |
Chain issues | None |
Certification Paths |
Server Key and Certificate #1
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Subject |
webmail.avianet.cu
Fingerprint SHA256: 3a5766061ce737e43897681f7ca73ff7db256f1ce2f508aa91cae940efd3aa42 Pin SHA256: IEeGAps/UsjUFSabVxb6WoFHr+lnUCA/LuG+WdFvGKk= |
Common names | webmail.avianet.cu |
Alternative names | correoweb.avianet.cu MISMATCH |
Serial Number | 40d7383ed2d04aa8b509e63446580f992a5b0677 |
Valid from | Thu, 04 Apr 2024 21:30:01 UTC |
Valid until | Sat, 04 Apr 2026 21:30:01 UTC (expires in 1 year and 10 months) |
Key | RSA 4096 bits (e 65537) |
Weak key (Debian) | No |
Issuer | webmail.avianet.cu Self-signed
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Signature algorithm | SHA256withRSA |
Extended Validation | No |
Certificate Transparency | No |
OCSP Must Staple | No |
Revocation information |
None |
Trusted | No NOT TRUSTED
(Why?)
Mozilla Apple Android Java Windows |
Additional Certificates (if supplied)
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Certificates provided | 1 (1452 bytes) |
Chain issues | None |
Certification Paths |
Protocols | |
TLS 1.3 | Yes |
TLS 1.2 | Yes* |
TLS 1.1 | No |
TLS 1.0 | No |
SSL 3 | No |
SSL 2 | No |
(*) Experimental: Server negotiated using No-SNI |
Cipher Suites | ||
# TLS 1.3 (we could not determine if the server has a preference)
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TLS_AES_256_GCM_SHA384 (0x1302 )
ECDH secp384r1 (eq. 7680 bits RSA) FS
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256 | |
# TLS 1.2 (we could not determine if the server has a preference)
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TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0xc030 )
ECDH secp384r1 (eq. 7680 bits RSA) FS
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256 |
Handshake Simulation | |||
Android 4.4.2 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Android 5.0.0 |
Server closed connection |
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Android 6.0 |
Server closed connection |
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Android 7.0 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Android 8.0 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Android 8.1 | - | TLS 1.3 | TLS_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Android 9.0 | - | TLS 1.3 | TLS_AES_256_GCM_SHA384 ECDH secp384r1 FS |
BingPreview Jan 2015 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Chrome 49 / XP SP3 |
Server closed connection |
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Chrome 69 / Win 7 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Chrome 70 / Win 10 | - | TLS 1.3 | TLS_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Chrome 80 / Win 10 R | - | TLS 1.3 | TLS_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Firefox 31.3.0 ESR / Win 7 |
Server closed connection |
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Firefox 47 / Win 7 R |
Server closed connection |
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Firefox 49 / XP SP3 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Firefox 62 / Win 7 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Firefox 73 / Win 10 R | - | TLS 1.3 | TLS_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Googlebot Feb 2018 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
IE 11 / Win 7 R |
Server closed connection |
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IE 11 / Win 8.1 R |
Server closed connection |
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IE 11 / Win Phone 8.1 R |
Server closed connection |
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IE 11 / Win Phone 8.1 Update R |
Server closed connection |
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IE 11 / Win 10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Edge 15 / Win 10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Edge 16 / Win 10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Edge 18 / Win 10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Edge 13 / Win Phone 10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Java 8u161 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Java 11.0.3 | - | TLS 1.3 | TLS_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Java 12.0.1 | - | TLS 1.3 | TLS_AES_256_GCM_SHA384 ECDH secp384r1 FS |
OpenSSL 1.0.1l R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
OpenSSL 1.0.2s R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
OpenSSL 1.1.0k R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
OpenSSL 1.1.1c R | - | TLS 1.3 | TLS_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Safari 6 / iOS 6.0.1 |
Server closed connection |
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Safari 7 / iOS 7.1 R |
Server closed connection |
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Safari 7 / OS X 10.9 R |
Server closed connection |
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Safari 8 / iOS 8.4 R |
Server closed connection |
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Safari 8 / OS X 10.10 R |
Server closed connection |
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Safari 9 / iOS 9 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Safari 9 / OS X 10.11 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Safari 10 / iOS 10 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Safari 10 / OS X 10.12 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Safari 12.1.2 / MacOS 10.14.6 Beta R | - | TLS 1.3 | TLS_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Safari 12.1.1 / iOS 12.3.1 R | - | TLS 1.3 | TLS_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Apple ATS 9 / iOS 9 R | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
Yahoo Slurp Jan 2015 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
YandexBot Jan 2015 | RSA 4096 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
# Not simulated clients (Protocol mismatch)
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Android 2.3.7 No SNI 2 |
Protocol mismatch (not simulated) |
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Android 4.0.4 |
Protocol mismatch (not simulated) |
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Android 4.1.1 |
Protocol mismatch (not simulated) |
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Android 4.2.2 |
Protocol mismatch (not simulated) |
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Android 4.3 |
Protocol mismatch (not simulated) |
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Baidu Jan 2015 |
Protocol mismatch (not simulated) |
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IE 6 / XP No FS 1 No SNI 2 |
Protocol mismatch (not simulated) |
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IE 7 / Vista |
Protocol mismatch (not simulated) |
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IE 8 / XP No FS 1 No SNI 2 |
Protocol mismatch (not simulated) |
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IE 8-10 / Win 7 R |
Protocol mismatch (not simulated) |
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IE 10 / Win Phone 8.0 |
Protocol mismatch (not simulated) |
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Java 6u45 No SNI 2 |
Protocol mismatch (not simulated) |
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Java 7u25 |
Protocol mismatch (not simulated) |
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OpenSSL 0.9.8y |
Protocol mismatch (not simulated) |
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Safari 5.1.9 / OS X 10.6.8 |
Protocol mismatch (not simulated) |
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Safari 6.0.4 / OS X 10.8.4 R |
Protocol mismatch (not simulated) |
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(1) Clients that do not support Forward Secrecy (FS) are excluded when determining support for it. | |||
(2) No support for virtual SSL hosting (SNI). Connects to the default site if the server uses SNI. | |||
(3) Only first connection attempt simulated. Browsers sometimes retry with a lower protocol version. | |||
(R) Denotes a reference browser or client, with which we expect better effective security. | |||
(All) We use defaults, but some platforms do not use their best protocols and features (e.g., Java 6 & 7, older IE). | |||
(All) Certificate trust is not checked in handshake simulation, we only perform TLS handshake. |
Protocol Details | |
Secure Renegotiation | Supported |
Secure Client-Initiated Renegotiation | No |
Insecure Client-Initiated Renegotiation | No |
BEAST attack | Mitigated server-side (more info) |
POODLE (SSLv3) | No, SSL 3 not supported (more info) |
POODLE (TLS) | No (more info) |
Zombie POODLE | No (more info) |
GOLDENDOODLE | No (more info) |
OpenSSL 0-Length | No (more info) |
Sleeping POODLE | No (more info) |
Downgrade attack prevention | No, TLS_FALLBACK_SCSV not supported (more info) |
SSL/TLS compression | No |
RC4 | No |
Heartbeat (extension) | No |
Heartbleed (vulnerability) | No (more info) |
Ticketbleed (vulnerability) | No (more info) |
OpenSSL CCS vuln. (CVE-2014-0224) | Unknown (more info) |
OpenSSL Padding Oracle vuln. (CVE-2016-2107) |
No (more info) |
ROBOT (vulnerability) | No (more info) |
Forward Secrecy | Yes (with most browsers) ROBUST (more info) |
ALPN | No |
NPN | No |
Session resumption (caching) | No (IDs assigned but not accepted) |
Session resumption (tickets) | No |
OCSP stapling | No |
Strict Transport Security (HSTS) | Yes
max-age=31536000 |
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, DHE suites not supported |
DH public server param (Ys) reuse | No, DHE suites not supported |
ECDH public server param reuse | No |
Supported Named Groups | secp384r1, x25519, secp256r1 (server preferred order) |
SSL 2 handshake compatibility | No |
0-RTT enabled | No |
HTTP Requests |
1 https://webmail.avianet.cu/
(HTTP/1.1 200 OK)
| 1 | |
Content-Security-Policy | img-src * data: blob:;base-uri 'self';worker-src 'self' blob:;manifest-src 'self';frame-src 'self' data: | |
Referrer-Policy | same-origin | |
Strict-Transport-Security | max-age=31536000 | |
X-Frame-Options | sameorigin | |
X-XSS-Protection | 1 | |
Content-Type | text/html; charset=utf-8 | |
Last-Modified | Sat, 04 May 2024 13:44:49 GMT | |
Expires | 0 | |
Pragma | no-cache | |
Cache-Control | no-store | |
Connection | close |
Miscellaneous | |
Test date | Sat, 04 May 2024 13:44:36 UTC |
Test duration | 73.238 seconds |
HTTP status code | 200 |
HTTP server signature | - |
Server hostname | mx1.avianet.cu |
Why is my certificate not trusted?
There are many reasons why a certificate may not be trusted. The exact problem is indicated on the report card in bright red. The problems fall into three categories:
- Invalid certificate
- Invalid configuration
- Unknown Certificate Authority
1. Invalid certificate
A certificate is invalid if:
- It is used before its activation date
- It is used after its expiry date
- Certificate hostnames don't match the site hostname
- It has been revoked
- It has insecure signature
- It has been blacklisted
2. Invalid configuration
In some cases, the certificate chain does not contain all the necessary certificates to connect the web server certificate to one of the root certificates in our trust store. Less commonly, one of the certificates in the chain (other than the web server certificate) will have expired, and that invalidates the entire chain.
3. Unknown Certificate Authority
In order for trust to be established, we must have the root certificate of the signing Certificate Authority in our trust store. SSL Labs does not maintain its own trust store; instead we use the store maintained by Mozilla.
If we mark a web site as not trusted, that means that the average web user's browser will not trust it either. For certain special groups of users, such web sites can still be secure. For example, if you can securely verify that a self-signed web site is operated by a person you trust, then you can trust that self-signed web site too. Or, if you work for an organisation that manages its own trust, and you have their own root certificate already embedded in your browser. Such special cases do not work for the general public, however, and this is what we indicate on our report card.
4. Interoperability issues
In some rare cases trust cannot be established because of interoperability issues between our code and the code or configuration running on the server. We manually review such cases, but if you encounter such an issue please feel free to contact us. Such problems are very difficult to troubleshoot and you may be able to provide us with information that might help us determine the root cause.
SSL Report v2.3.0