SSL Report:
mailadmin.rpsnet.cz
(85.163.228.10)
Assessed on: Mon, 22 Sep 2025 06:44:39 UTC
| Clear cache
Summary
0
20
40
60
80
100
Certificate
Protocol Support
Key Exchange
Cipher Strength
Visit our documentation page
for more information, configuration guides, and books. Known issues are documented
here.
This server supports insecure cipher suites (see below for details). Grade set to F.
This server supports insecure Diffie-Hellman (DH) key exchange parameters (Logjam). Grade set to F.
MORE INFO »
This server supports 512-bit export suites and might be vulnerable to the FREAK attack. Grade set to F.
MORE INFO »
The server supports only older protocols, but not the current best TLS 1.2 or TLS 1.3. Grade capped to C.
MORE INFO »
This server accepts RC4 cipher, but only with older protocols. Grade capped to B.
MORE INFO »
This server does not support Forward Secrecy with the reference browsers.
Grade capped to B.
MORE INFO »
This server does not support Authenticated encryption (AEAD) cipher suites. Grade capped to B.
MORE INFO »
This server supports TLS 1.0.
Grade capped to B. MORE INFO »
This server does not support TLS 1.3. MORE INFO »
Certificate #1: RSA 2048 bits (SHA256withRSA)
|
Server Key and Certificate #1
|
|
| Subject |
mailadmin.rpsnet.cz
Fingerprint SHA256: 3944c97e34265a62a17b99dccf86f3e17538e673b1654dfff21e27c4048eb738 Pin SHA256: kCq2TUYZ0eTjvJfDs+rZZG8yaXuKTuoldI9jL+oejBA= |
| Common names | mailadmin.rpsnet.cz |
| Alternative names | mailadmin.rpsnet.cz |
| Serial Number | 068c35fa01a9ce0d04a651d3f36b21f02fc0 |
| Valid from | Wed, 03 Sep 2025 06:01:28 UTC |
| Valid until | Tue, 02 Dec 2025 06:01:27 UTC (expires in 2 months and 9 days) |
| Key | RSA 2048 bits (e 65537) |
| Weak key (Debian) | No |
| Issuer | R13
AIA: http://r13.i.lencr.org/ |
| Signature algorithm | SHA256withRSA |
| Extended Validation | No |
| Certificate Transparency | Yes (certificate) |
| OCSP Must Staple | No |
| Revocation information |
CRL CRL: http://r13.c.lencr.org/65.crl |
| Revocation status | Validation error
CRL ERROR: IOException occurred |
| DNS CAA | No (more info) |
| Trusted | Yes
Mozilla Apple Android Java Windows |
Certification Paths |
Configuration
| Protocols | |
| TLS 1.3 | No |
| TLS 1.2 | No |
| TLS 1.1 | No |
| TLS 1.0 | Yes |
| SSL 3 | No |
| SSL 2 | No |
| Cipher Suites | ||
|
# TLS 1.0 (server has no preference)
|
||
TLS_RSA_EXPORT_WITH_RC4_40_MD5 (0x3)
INSECURE
|
40 | |
TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 (0x6)
INSECURE
|
40 | |
TLS_RSA_EXPORT_WITH_DES40_CBC_SHA (0x8)
INSECURE
|
40 | |
TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA (0x14)
DH 512 bits FS
INSECURE
|
40 | |
TLS_RSA_WITH_DES_CBC_SHA (0x9)
INSECURE
|
56 | |
TLS_DHE_RSA_WITH_DES_CBC_SHA (0x15)
DH 1024 bits FS
INSECURE
|
56 | |
TLS_RSA_WITH_3DES_EDE_CBC_SHA (0xa)
WEAK
|
112 | |
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA (0x16)
DH 1024 bits FS
WEAK
|
112 | |
TLS_RSA_WITH_AES_128_CBC_SHA (0x2f)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_AES_128_CBC_SHA (0x33)
DH 1024 bits FS
WEAK
|
128 | |
TLS_RSA_WITH_RC4_128_MD5 (0x4)
INSECURE
|
128 | |
TLS_RSA_WITH_RC4_128_SHA (0x5)
INSECURE
|
128 | |
TLS_RSA_WITH_AES_256_CBC_SHA (0x35)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_AES_256_CBC_SHA (0x39)
DH 1024 bits FS
WEAK
|
256 | |
| Handshake Simulation | |||
| Android 2.3.7 No SNI 2 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_RC4_128_MD5 No FS RC4 |
| Android 4.0.4 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| Android 4.1.1 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| Android 4.2.2 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| Android 4.3 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| Android 4.4.2 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| Android 5.0.0 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| Android 6.0 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| Android 7.0 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Android 8.0 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Android 8.1 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Android 9.0 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Baidu Jan 2015 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| BingPreview Jan 2015 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| Chrome 49 / XP SP3 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Chrome 69 / Win 7 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Chrome 70 / Win 10 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Chrome 80 / Win 10 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Firefox 31.3.0 ESR / Win 7 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_128_CBC_SHA DH 1024 FS |
| Firefox 47 / Win 7 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_128_CBC_SHA DH 1024 FS |
| Firefox 49 / XP SP3 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_128_CBC_SHA DH 1024 FS |
| Firefox 62 / Win 7 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Firefox 73 / Win 10 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_128_CBC_SHA DH 1024 FS |
| Googlebot Feb 2018 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| IE 7 / Vista | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| IE 8 / XP No FS 1 No SNI 2 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_RC4_128_MD5 RC4 |
| IE 8-10 / Win 7 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| IE 11 / Win 7 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| IE 11 / Win 8.1 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| IE 10 / Win Phone 8.0 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| IE 11 / Win Phone 8.1 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| IE 11 / Win Phone 8.1 Update R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| IE 11 / Win 10 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| Edge 15 / Win 10 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Edge 16 / Win 10 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Edge 18 / Win 10 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Edge 13 / Win Phone 10 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Java 6u45 No SNI 2 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_RC4_128_MD5 No FS RC4 |
| Java 7u25 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Java 8u161 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Java 11.0.3 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Java 12.0.1 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| OpenSSL 0.9.8y | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| OpenSSL 1.0.1l R | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| OpenSSL 1.0.2s R | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| OpenSSL 1.1.0k R | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| OpenSSL 1.1.1c R | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| Safari 5.1.9 / OS X 10.6.8 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Safari 6 / iOS 6.0.1 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Safari 6.0.4 / OS X 10.8.4 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Safari 7 / iOS 7.1 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Safari 7 / OS X 10.9 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| Safari 8 / iOS 8.4 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| Safari 8 / OS X 10.10 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| Safari 9 / iOS 9 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Safari 9 / OS X 10.11 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Safari 10 / iOS 10 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Safari 10 / OS X 10.12 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Safari 12.1.2 / MacOS 10.14.6 Beta R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Safari 12.1.1 / iOS 12.3.1 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_256_CBC_SHA No FS |
| Yahoo Slurp Jan 2015 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
| YandexBot Jan 2015 | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 1024 FS |
|
# Not simulated clients (Protocol mismatch)
|
|||
| IE 6 / XP No FS 1 No SNI 2 |
Protocol mismatch (not simulated) |
||
| Apple ATS 9 / iOS 9 R |
Protocol mismatch (not simulated) |
||
| (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 |
Not mitigated server-side (more info)
TLS 1.0: 0x6
|
| POODLE (SSLv3) | No, SSL 3 not supported (more info) |
| POODLE (TLS) | No (more info) |
| Zombie POODLE | No (more info)
TLS 1.0 : 0x000a
|
| GOLDENDOODLE | No (more info)
TLS 1.0 : 0x000a
|
| OpenSSL 0-Length | No (more info)
TLS 1.0 : 0x000a
|
| Sleeping POODLE | No (more info)
TLS 1.0 : 0x000a
|
| Downgrade attack prevention | Unknown (requires support for at least two protocols, excl. SSL2) |
| SSL/TLS compression | No |
| RC4 | Yes INSECURE (more info) |
| Heartbeat (extension) | No |
| 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 | Insecure key exchange INSECURE |
| 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 | Yes Replace with custom DH parameters if possible (more info) |
| DH public server param (Ys) reuse | No |
| ECDH public server param reuse | No, ECDHE suites not supported |
| Supported Named Groups | - |
| SSL 2 handshake compatibility | Yes |
|
HTTP Requests
|
|
1 https://mailadmin.rpsnet.cz/
(HTTP/1.1 200 OK)
| 1 | |
| Date | Mon, 22 Sep 2025 06:42:52 GMT | |
| Server | Apache/2.2.16 (Debian) DAV/2 PHP/5.3.29-1~dotdeb.0 with Suhosin-Patch mod_ssl/2.2.16 OpenSSL/0.9.8o | |
| X-Powered-By | PHP/5.3.29-1~dotdeb.0 | |
| Set-Cookie | PHPSESSID=096a4b5b14722a26c0dffb5976aebc05; path=/ | |
| Expires | Thu, 19 Nov 1981 08:52:00 GMT | |
| Cache-Control | no-store, no-cache, must-revalidate, post-check=0, pre-check=0 | |
| Pragma | no-cache | |
| Vary | Accept-Encoding | |
| Content-Length | 1888 | |
| Connection | close | |
| Content-Type | text/html; charset=windows-1250 | |
| Miscellaneous | |
| Test date | Mon, 22 Sep 2025 06:42:37 UTC |
| Test duration | 121.682 seconds |
| HTTP status code | 200 |
| HTTP server signature | Apache/2.2.16 (Debian) DAV/2 PHP/5.3.29-1~dotdeb.0 with Suhosin-Patch mod_ssl/2.2.16 OpenSSL/0.9.8o |
| Server hostname | mail.rps.cz |
SSL Report v2.4.1