SSL Checker
Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.
Report
It's all good. We have not detected any issues.
| Hostname: | done Matches Common Name or/and SAN |
| Expired: | done No (75 days till expiration) |
| Public Key: | done We were unable to find any issues in the public key of end-entity certificate |
| Trusted: | done Yes, we were able to verify the certificate |
| Self-Signed: | done No, the end-entity certificate is not self-signed |
| Chain Issues: | done No, we were unable to detect any issues in the certificate chain sent by the server |
| Weak signatures: | done No, certificates sent by the server were not signed utilizing a weak hash function |
| OCSP Status: | done OCSP Responder returned "good" status for the end-entity certificate |
DNS Information
| Resolves To: | 172.240.241.27 |
| Reverse IP lookup: | No records found |
| Nameserver: | ns1.r01.ru. |
| Nameserver: | ns2.r01.ru. |
General Information
| Common Name: | rtb-media.ru |
| SANs: | DNS:rtb-media.ru Total number of SANs: 1 |
| Signature Algorithm: | sha256WithRSAEncryption |
| Key Type: | RSA |
| Key size: | 2048 bits |
| Serial Number: | 456b8c704ea5e4763357523b8053b90a45d |
| Not Before: | Apr 10, 2024 17:22:32 GMT |
| Not After: | Jul 09, 2024 17:22:31 GMT |
| Number of certs: | 2 |
| Revocation Status: | good |
| OCSP Stapling: | Not Supported |
| Server: | nginx/1.18.0 (Ubuntu) |
| HSTS: | Not Supported |
| HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: rtb-media.ru
Decode this certificate for verbose information → launch| Subject Common Name | rtb-media.ru |
| Issuer Common Name | R3 |
| Issuer Organization | Let's Encrypt |
| Not Before: | Apr 10, 2024 17:22:32 GMT |
| Not After: | Jul 09, 2024 17:22:31 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 456b8c704ea5e4763357523b8053b90a45d |
| SHA1 Fingerprint: | 6D:70:0A:CC:4A:AB:48:FF:92:FE:68:D8:BB:FC:99:C4:CD:88:43:2F |
| MD5 Fingerprint: | 3D:6C:8F:B5:89:0D:5F:DE:E9:87:A6:07:48:A7:02:90 |
Certificate # 2 - Common Name: R3
Decode this certificate for verbose information → launch| In place? | Yes, this certificate directly certifies the preceding one |
| Subject Common Name | R3 |
| Subject Organization | Let's Encrypt |
| Issuer Common Name | ISRG Root X1 |
| Issuer Organization | Internet Security Research Group |
| Not Before: | Sep 04, 2020 00:00:00 GMT |
| Not After: | Sep 15, 2025 16:00:00 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 912b084acf0c18a753f6d62e25a75f5a |
| SHA1 Fingerprint: | A0:53:37:5B:FE:84:E8:B7:48:78:2C:7C:EE:15:82:7A:6A:F5:A4:05 |
| MD5 Fingerprint: | E8:29:E6:5D:7C:43:07:D6:FB:C1:3C:17:9E:03:7A:36 |
OpenSSL Handshake
depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1 verify return:1 depth=1 C = US, O = Let's Encrypt, CN = R3 verify return:1 depth=0 CN = rtb-media.ru verify return:1 CONNECTED(00000003) OCSP response: no response sent --- Certificate chain 0 s:CN = rtb-media.ru i:C = US, O = Let's Encrypt, CN = R3 -----BEGIN CERTIFICATE----- MIIE5TCCA82gAwIBAgISBFa4xwTqXkdjNXUjuAU7kKRdMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDA0MTAxNzIyMzJaFw0yNDA3MDkxNzIyMzFaMBcxFTATBgNVBAMT DHJ0Yi1tZWRpYS5ydTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMgZ ZrhPPfPQm0+MK/QnSw+4MMqVQS99f4Plaesm9r6PRub21ag3jv/uSYIgHNfwv+aF jWc91Ifm8/1C1BiooJ3piajK9r3kwJqZNGTgPM2+6GHtFZK6jtXHboT86sFJkqNd 3JSPjLL+OC0xzAcYOsZO+D71yj8qRaSMTWJ8o3+bdnxyZznMb+Vigxz40wNhp7wD 7FmC/w2c2NrRg5OqCtoBEfpz9EYD7POsrjXX+tbdsTX/KRXb0xwKSSjqWyMSEXri SSHYGFxHaF49JAFg4IH7EMQ5Ah5ME6ixSLgoKiWRjcpHXd0iWNsAQd7FYh4E0Gyb 2xNsWA0Hnb4C7d8N1Z8CAwEAAaOCAg4wggIKMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUdLHUOxt6shvOZ/i/Y9D4sK6soEswHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA 5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMu by5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8w FwYDVR0RBBAwDoIMcnRiLW1lZGlhLnJ1MBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIB BAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYA7s3QZNXbGs7FXLedtM0TojKHRny87N7D UUhZRnEftZsAAAGOyT9MHQAABAMARzBFAiEAmpY7BiN+/Za6GrJlnLleW4zXLg7N cN8d0nL1nF39aT0CIBh9cXOYpaTMazd1S0ZJmpuQinFJU6ORnf5af0b0OSgvAHYA GZgQcQnw1lIuMIDSnj9ku4NuKMz5D1KO7t/OSj8WtMoAAAGOyT9MJAAABAMARzBF AiBD9b2sS6ggQ2Z7VM9kcSwZ3hrVnySUuJs3lzx2OrHdXAIhAOyEVwmd3g5mLFzf b3wcJb/vT6aujjo07pQvj8h1ltx0MA0GCSqGSIb3DQEBCwUAA4IBAQAEJUFbXBJv 8fAY0Vbr1JVqUX8k3/ZZg6G2rtNztdPKKTvROY4rsjUiCvt3RSoNfFVbj446kOwT 9AzG9O2JQoCvasO//fTugIReauaIZ5Ninm1Qy/DzpSd2nb+oXHle1WkzoUK4KIOq OCdKsjkYFrUumkcLoVpd4YwIIAu2rTXpcB9MmKNNeSNrx82j590wd+qRGBCeng11 mWJoYrgVHOIYwQENtbpINl2JLwTebEtkJLsnuKZkpvPVxhL0pcikvl1EUZn2X19L cTfIdfv6EIM7tROiNev5zw6F849p+uRDGl3Q3/3vfXsJ1rvKfsaSVr9f2QzW3FIw djregZW4ESpd -----END CERTIFICATE----- 1 s:C = US, O = Let's Encrypt, CN = R3 i:C = US, O = Internet Security Research Group, CN = ISRG Root X1 -----BEGIN CERTIFICATE----- MIIFFjCCAv6gAwIBAgIRAJErCErPDBinU/bWLiWnX1owDQYJKoZIhvcNAQELBQAw TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjAwOTA0MDAwMDAw WhcNMjUwOTE1MTYwMDAwWjAyMQswCQYDVQQGEwJVUzEWMBQGA1UEChMNTGV0J3Mg RW5jcnlwdDELMAkGA1UEAxMCUjMwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK AoIBAQC7AhUozPaglNMPEuyNVZLD+ILxmaZ6QoinXSaqtSu5xUyxr45r+XXIo9cP R5QUVTVXjJ6oojkZ9YI8QqlObvU7wy7bjcCwXPNZOOftz2nwWgsbvsCUJCWH+jdx sxPnHKzhm+/b5DtFUkWWqcFTzjTIUu61ru2P3mBw4qVUq7ZtDpelQDRrK9O8Zutm NHz6a4uPVymZ+DAXXbpyb/uBxa3Shlg9F8fnCbvxK/eG3MHacV3URuPMrSXBiLxg Z3Vms/EY96Jc5lP/Ooi2R6X/ExjqmAl3P51T+c8B5fWmcBcUr2Ok/5mzk53cU6cG /kiFHaFpriV1uxPMUgP17VGhi9sVAgMBAAGjggEIMIIBBDAOBgNVHQ8BAf8EBAMC AYYwHQYDVR0lBBYwFAYIKwYBBQUHAwIGCCsGAQUFBwMBMBIGA1UdEwEB/wQIMAYB Af8CAQAwHQYDVR0OBBYEFBQusxe3WFbLrlAJQOYfr52LFMLGMB8GA1UdIwQYMBaA FHm0WeZ7tuXkAXOACIjIGlj26ZtuMDIGCCsGAQUFBwEBBCYwJDAiBggrBgEFBQcw AoYWaHR0cDovL3gxLmkubGVuY3Iub3JnLzAnBgNVHR8EIDAeMBygGqAYhhZodHRw Oi8veDEuYy5sZW5jci5vcmcvMCIGA1UdIAQbMBkwCAYGZ4EMAQIBMA0GCysGAQQB gt8TAQEBMA0GCSqGSIb3DQEBCwUAA4ICAQCFyk5HPqP3hUSFvNVneLKYY611TR6W PTNlclQtgaDqw+34IL9fzLdwALduO/ZelN7kIJ+m74uyA+eitRY8kc607TkC53wl ikfmZW4/RvTZ8M6UK+5UzhK8jCdLuMGYL6KvzXGRSgi3yLgjewQtCPkIVz6D2QQz CkcheAmCJ8MqyJu5zlzyZMjAvnnAT45tRAxekrsu94sQ4egdRCnbWSDtY7kh+BIm lJNXoB1lBMEKIq4QDUOXoRgffuDghje1WrG9ML+Hbisq/yFOGwXD9RiX8F6sw6W4 avAuvDszue5L3sz85K+EC4Y/wFVDNvZo4TYXao6Z0f+lQKc0t8DQYzk1OXVu8rp2 yJMC6alLbBfODALZvYH7n7do1AZls4I9d1P4jnkDrQoxB3UqQ9hVl3LEKQ73xF1O yK5GhDDX8oVfGKF5u+decIsH4YaTw7mP3GFxJSqv3+0lUFJoi5Lc5da149p90Ids hCExroL1+7mryIkXPeFM5TgO9r0rvZaBFOvV2z0gp35Z0+L4WPlbuEjN/lxPFin+ HlUjr8gRsI3qfJOQFy/9rKIJR0Y/8Omwt/8oTWgy1mdeHmmjk7j1nYsvC9JSQ6Zv MldlTTKB3zhThV1+XWYp6rjd5JW1zbVWEkLNxE7GJThEUG3szgBVGP7pSWTUTsqX nLRbwHOoq7hHwg== -----END CERTIFICATE----- --- Server certificate subject=CN = rtb-media.ru issuer=C = US, O = Let's Encrypt, CN = R3 --- No client certificate CA names sent Peer signing digest: SHA256 Peer signature type: RSA-PSS Server Temp Key: X25519, 253 bits --- SSL handshake has read 3128 bytes and written 403 bytes Verification: OK --- New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384 Server public key is 2048 bit Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE No ALPN negotiated Early data was not sent Verify return code: 0 (ok) --- DONE