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 (235 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: | 104.17.32.105 |
Reverse IP lookup: | No records found |
Nameserver: | ns-1432.awsdns-51.org. |
Nameserver: | ns-1779.awsdns-30.co.uk. |
Nameserver: | ns-299.awsdns-37.com. |
Nameserver: | ns-636.awsdns-15.net. |
General Information
Common Name: | *.researchgate.net |
SANs: | DNS:*.researchgate.netDNS:researchgate.net Total number of SANs: 2 |
Signature Algorithm: | sha256WithRSAEncryption |
Key Type: | RSA |
Key size: | 2048 bits |
Serial Number: | 1e497b4e5615260b336ed9a |
Not Before: | Oct 19, 2023 12:49:03 GMT |
Not After: | Nov 19, 2024 12:49:02 GMT |
Number of certs: | 2 |
Revocation Status: | good |
OCSP Stapling: | Supported |
Server: | cloudflare |
HSTS: | Not Supported |
HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: *.researchgate.net
Decode this certificate for verbose information → launchSubject Common Name | *.researchgate.net |
Issuer Common Name | AlphaSSL CA - SHA256 - G4 |
Issuer Organization | GlobalSign nv-sa |
Not Before: | Oct 19, 2023 12:49:03 GMT |
Not After: | Nov 19, 2024 12:49:02 GMT |
Signature Algorithm: | sha256WithRSAEncryption |
Serial Number: | 1e497b4e5615260b336ed9a |
SHA1 Fingerprint: | CC:F1:18:8D:EC:3F:2B:60:41:CF:8F:89:BA:17:82:BC:01:03:88:48 |
MD5 Fingerprint: | 8D:2C:3E:28:97:2A:20:8A:C1:9F:86:DC:F2:91:3C:E6 |
Certificate # 2 - Common Name: AlphaSSL CA - SHA256 - G4
Decode this certificate for verbose information → launchIn place? | Yes, this certificate directly certifies the preceding one |
Subject Common Name | AlphaSSL CA - SHA256 - G4 |
Subject Organization | GlobalSign nv-sa |
Issuer Common Name | GlobalSign Root CA |
Issuer Organization | GlobalSign nv-sa |
Not Before: | Oct 12, 2022 03:49:43 GMT |
Not After: | Oct 12, 2027 00:00:00 GMT |
Signature Algorithm: | sha256WithRSAEncryption |
Serial Number: | 7d4d42a92b431d7e6453e7c19a8d5877 |
SHA1 Fingerprint: | D3:41:62:62:72:7F:E1:82:E0:99:6C:79:3B:0F:A4:46:76:C6:54:1A |
MD5 Fingerprint: | 7F:FB:7E:B7:93:5F:A6:8B:D3:C0:D6:93:6A:99:AB:26 |
OpenSSL Handshake
depth=2 C = BE, O = GlobalSign nv-sa, OU = Root CA, CN = GlobalSign Root CA verify return:1 depth=1 C = BE, O = GlobalSign nv-sa, CN = AlphaSSL CA - SHA256 - G4 verify return:1 depth=0 CN = *.researchgate.net verify return:1 CONNECTED(00000003) OCSP response: ====================================== OCSP Response Data: OCSP Response Status: successful (0x0) Response Type: Basic OCSP Response Version: 1 (0x0) Responder Id: 8C176278CFB7EBA8EE38359821D116DE2CC42B99 Produced At: Mar 27 15:20:24 2024 GMT Responses: Certificate ID: Hash Algorithm: sha1 Issuer Name Hash: 8F7702DC0E21D05E555FA7C877EE1AE931EAD382 Issuer Key Hash: 4FCBACA8C2EFABDD836F6BBFCE983D5C58257615 Serial Number: 01E497B4E5615260B336ED9A Cert Status: good This Update: Mar 27 15:20:24 2024 GMT Next Update: Mar 31 15:20:23 2024 GMT Signature Algorithm: sha256WithRSAEncryption 9b:62:1c:11:34:f9:6c:39:16:3c:10:05:66:6f:0f:83:05:f8: 3b:79:78:86:2e:aa:dc:e3:7b:51:8a:de:4f:1b:79:9f:cb:f8: ef:98:73:05:83:7e:d4:a5:b0:2b:c7:8c:e9:65:3d:81:e8:bb: 2f:bb:a7:7d:49:74:20:c3:dc:5e:3a:0e:64:72:5e:3d:c1:55: 26:b4:1d:ff:8e:9c:f9:91:d1:45:76:74:fb:3d:83:eb:83:39: c4:46:f4:d3:13:dc:f2:e6:9b:7a:66:50:1b:23:ea:9c:3d:fc: 18:39:ce:f4:2b:dc:6c:68:1a:c8:ca:da:77:d8:a4:84:25:b4: e6:85:93:79:1c:1c:2f:ff:79:6e:8a:00:3e:64:7f:69:43:e4: 4a:21:a3:0e:7c:42:d4:15:dc:f6:fc:d0:5d:9c:ba:1f:e4:76: b0:2a:d6:cb:01:d0:87:29:be:ac:5f:6d:a4:be:e0:48:65:06: c9:7c:6b:b6:5e:49:d0:f3:83:c0:a7:eb:3f:12:8a:b0:63:2f: a0:fc:b7:40:4e:ae:31:79:6b:27:87:c3:b0:ea:3f:31:33:7e: 5a:85:9d:63:6e:5e:60:5f:ca:b8:e5:3a:19:a7:d6:78:32:7c: cd:bd:68:1e:fd:a5:ce:ab:79:97:97:e7:27:87:80:d2:bc:b6: c4:81:a9:42 Certificate: Data: Version: 3 (0x2) Serial Number: 44:0d:55:97:d6:c7:fa:56:69:6c:1c:aa Signature Algorithm: sha256WithRSAEncryption Issuer: C=BE, O=GlobalSign nv-sa, CN=AlphaSSL CA - SHA256 - G4 Validity Not Before: Mar 13 08:05:44 2024 GMT Not After : Jun 13 08:05:43 2024 GMT Subject: C=BE, O=GlobalSign nv-sa/serialNumber=202211281615, CN=AlphaSSL CA - SHA256 - G4 - OCSP Responder Subject Public Key Info: Public Key Algorithm: rsaEncryption RSA Public-Key: (2048 bit) Modulus: 00:ae:97:11:c2:80:c2:30:e1:0e:33:ed:8f:de:40: 41:f0:1c:72:d3:cc:e4:0f:2f:d2:d2:d7:51:a9:fd: cb:52:4c:28:9b:a3:dd:6c:7a:63:e7:bb:89:aa:32: 4f:94:95:b7:65:72:67:ab:17:ca:b6:b2:33:62:41: 20:58:d6:2c:0a:e6:ea:04:4f:36:b4:f7:96:d1:ef: b9:55:bb:15:71:ba:d9:53:d0:0c:e4:16:1d:cb:21: 2c:78:26:26:73:84:fc:7a:c6:2f:ee:0d:b0:14:c8: 58:f2:06:36:93:7f:5c:1a:6b:a7:17:50:c9:8a:74: b2:03:3c:da:45:d2:4d:fb:ba:8b:f8:eb:3f:2c:cb: 82:36:54:bb:60:5a:f2:71:2e:e1:83:68:20:6c:59: c6:10:52:a8:00:77:84:fc:54:67:7a:db:ab:2b:62: 4f:e2:32:3b:5c:e8:1e:af:bf:3c:e7:f5:a5:86:b5: 4c:a0:cd:f3:f7:d8:d9:e6:78:e0:c2:55:fc:a0:8b: 24:85:b8:ee:3b:0e:3f:e1:88:1c:65:af:e3:88:06: 9f:7d:b8:50:d2:b7:78:07:a3:0e:17:01:1f:f4:e4: 1f:cd:d9:7d:e1:da:a3:8f:24:54:96:84:3c:3e:86: 00:7c:32:53:8e:65:37:57:67:01:82:b4:b5:f4:c1: d8:f5 Exponent: 65537 (0x10001) X509v3 extensions: X509v3 Authority Key Identifier: keyid:4F:CB:AC:A8:C2:EF:AB:DD:83:6F:6B:BF:CE:98:3D:5C:58:25:76:15 OCSP No Check: X509v3 Extended Key Usage: OCSP Signing X509v3 Subject Key Identifier: 8C:17:62:78:CF:B7:EB:A8:EE:38:35:98:21:D1:16:DE:2C:C4:2B:99 X509v3 Key Usage: critical Digital Signature Signature Algorithm: sha256WithRSAEncryption 6b:16:90:25:69:d7:4b:f3:47:36:69:13:ad:70:8e:46:13:c3: f4:71:52:f2:a8:f6:3d:85:f6:22:60:44:ea:96:5f:3a:5c:68: f1:06:25:50:6e:a2:62:74:4d:70:38:19:53:8c:a3:3b:2e:3d: 9d:b9:33:29:45:0e:65:20:69:35:88:fd:18:60:cc:13:7d:f9: b0:53:47:0e:43:28:69:cf:18:66:79:2e:b7:d2:dd:c5:f8:9e: 68:1e:ac:ef:a3:f0:79:f1:31:04:ef:34:1a:53:7a:e6:af:7b: 49:dc:42:bc:a2:8b:52:1a:9e:b2:08:cb:d1:32:26:59:54:91: e0:f5:0d:42:7f:cf:f9:48:2c:64:35:5a:82:24:75:97:dd:d4: 39:e1:bd:a3:08:f7:18:a9:f1:34:50:f5:01:91:62:d5:af:ef: 2e:25:3c:3a:a1:4b:05:84:2e:74:61:c8:61:24:c0:22:67:07: f7:16:05:07:61:cf:63:4e:6d:27:40:8d:92:54:ea:e8:49:aa: 81:48:ec:15:b1:7e:d6:d2:a5:6e:b4:1b:79:52:fe:8d:18:71: a8:0a:b5:32:1e:2f:5c:8d:24:86:9f:fe:1d:11:ec:4d:91:70: 93:24:0f:e6:30:d4:1f:3b:1c:17:d3:91:0d:6f:fb:88:34:9d: 7a:7d:1e:f4 -----BEGIN CERTIFICATE----- MIIDvjCCAqagAwIBAgIMRA1Vl9bH+lZpbByqMA0GCSqGSIb3DQEBCwUAMEwxCzAJ BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSIwIAYDVQQDExlB bHBoYVNTTCBDQSAtIFNIQTI1NiAtIEc0MB4XDTI0MDMxMzA4MDU0NFoXDTI0MDYx MzA4MDU0M1owdDELMAkGA1UEBhMCQkUxGTAXBgNVBAoMEEdsb2JhbFNpZ24gbnYt c2ExFTATBgNVBAUTDDIwMjIxMTI4MTYxNTEzMDEGA1UEAwwqQWxwaGFTU0wgQ0Eg LSBTSEEyNTYgLSBHNCAtIE9DU1AgUmVzcG9uZGVyMIIBIjANBgkqhkiG9w0BAQEF AAOCAQ8AMIIBCgKCAQEArpcRwoDCMOEOM+2P3kBB8Bxy08zkDy/S0tdRqf3LUkwo m6PdbHpj57uJqjJPlJW3ZXJnqxfKtrIzYkEgWNYsCubqBE82tPeW0e+5VbsVcbrZ U9AM5BYdyyEseCYmc4T8esYv7g2wFMhY8gY2k39cGmunF1DJinSyAzzaRdJN+7qL +Os/LMuCNlS7YFrycS7hg2ggbFnGEFKoAHeE/FRneturK2JP4jI7XOger7885/Wl hrVMoM3z99jZ5njgwlX8oIskhbjuOw4/4YgcZa/jiAaffbhQ0rd4B6MOFwEf9OQf zdl94dqjjyRUloQ8PoYAfDJTjmU3V2cBgrS19MHY9QIDAQABo3gwdjAfBgNVHSME GDAWgBRPy6yowu+r3YNva7/OmD1cWCV2FTAPBgkrBgEFBQcwAQUEAgUAMBMGA1Ud JQQMMAoGCCsGAQUFBwMJMB0GA1UdDgQWBBSMF2J4z7frqO44NZgh0RbeLMQrmTAO BgNVHQ8BAf8EBAMCB4AwDQYJKoZIhvcNAQELBQADggEBAGsWkCVp10vzRzZpE61w jkYTw/RxUvKo9j2F9iJgROqWXzpcaPEGJVBuomJ0TXA4GVOMozsuPZ25MylFDmUg aTWI/RhgzBN9+bBTRw5DKGnPGGZ5LrfS3cX4nmgerO+j8HnxMQTvNBpTeuave0nc Qryii1IanrIIy9EyJllUkeD1DUJ/z/lILGQ1WoIkdZfd1DnhvaMI9xip8TRQ9QGR YtWv7y4lPDqhSwWELnRhyGEkwCJnB/cWBQdhz2NObSdAjZJU6uhJqoFI7BWxftbS pW60G3lS/o0YcagKtTIeL1yNJIaf/h0R7E2RcJMkD+Yw1B87HBfTkQ1v+4g0nXp9 HvQ= -----END CERTIFICATE----- ====================================== --- Certificate chain 0 s:CN = *.researchgate.net i:C = BE, O = GlobalSign nv-sa, CN = AlphaSSL CA - SHA256 - G4 -----BEGIN CERTIFICATE----- MIIGVjCCBT6gAwIBAgIMAeSXtOVhUmCzNu2aMA0GCSqGSIb3DQEBCwUAMEwxCzAJ BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSIwIAYDVQQDExlB bHBoYVNTTCBDQSAtIFNIQTI1NiAtIEc0MB4XDTIzMTAxOTEyNDkwM1oXDTI0MTEx OTEyNDkwMlowHTEbMBkGA1UEAwwSKi5yZXNlYXJjaGdhdGUubmV0MIIBIjANBgkq hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsqyGpMJ/TLm6C9x/KkiQlnaGXc4Q1PPm AFuHooP4+Bhs6kI4cvmZ6agF1Au+uzsOA2/+CIVgFVIMMsoDxuBCID5FBWmtxdU1 ng1Q0NjbfeCYCAWHcUsX9zleQ2CQrF9ZBttHwTpgHqi+RjqC0nXRlKCxWFfOC6PX 3C2G+bTIX8SKbuIJx3lpqTMdhOSZXw+IOXHmqAEUgLrf7yZEAObxsJmUN55Z5P6E ZlAO3hj3Ui/Gq/IBSJYeghItmQO0zUHKXoo6odaxg/0lZhrM3GncEbzSh+Jgutmr 1HsNPrn2j38azWM69X/PISIzpw8JisVfoZHuVc4wjTzR8xcI5mfowwIDAQABo4ID ZTCCA2EwDgYDVR0PAQH/BAQDAgWgMAwGA1UdEwEB/wQCMAAwgZMGCCsGAQUFBwEB BIGGMIGDMEYGCCsGAQUFBzAChjpodHRwOi8vc2VjdXJlLmdsb2JhbHNpZ24uY29t L2NhY2VydC9hbHBoYXNzbGNhc2hhMjU2ZzQuY3J0MDkGCCsGAQUFBzABhi1odHRw Oi8vb2NzcC5nbG9iYWxzaWduLmNvbS9hbHBoYXNzbGNhc2hhMjU2ZzQwVwYDVR0g BFAwTjAIBgZngQwBAgEwQgYKKwYBBAGgMgoBAzA0MDIGCCsGAQUFBwIBFiZodHRw czovL3d3dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5LzBBBgNVHR8EOjA4MDag NKAyhjBodHRwOi8vY3JsLmdsb2JhbHNpZ24uY29tL2FscGhhc3NsY2FzaGEyNTZn NC5jcmwwLwYDVR0RBCgwJoISKi5yZXNlYXJjaGdhdGUubmV0ghByZXNlYXJjaGdh dGUubmV0MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAfBgNVHSMEGDAW gBRPy6yowu+r3YNva7/OmD1cWCV2FTAdBgNVHQ4EFgQUy+3eseFiPFQC2ZlLWFlt PJid9J0wggF9BgorBgEEAdZ5AgQCBIIBbQSCAWkBZwB2AEiw42vapkc0D+VqAvqd MOscUgHLVt0sgdm7v6s52IRzAAABi0f7dsQAAAQDAEcwRQIgfT07AfGWvlJ4xykV WMfKIvWX9mUporFWdia79/F2R0QCIQCa7gAO3Q65hheGUUVN4tXJRebc1LZGRAK6 7c7USh0KAwB2AO7N0GTV2xrOxVy3nbTNE6Iyh0Z8vOzew1FIWUZxH7WbAAABi0f7 drIAAAQDAEcwRQIgAVt9OSg8sq7CmmUrijgkhZOpThOnTk+037AKuqrkXaUCIQDL AOZpPYHMPHVI2pwMmAWb6nNIwV8QiFr7QEDPMe3yMQB1AHb/iD8KtvuVUcJhzPWH ujS0pM27KdxoQgqf5mdMWjp0AAABi0f7dvYAAAQDAEYwRAIgXhgjsY7sT/mVxGTJ rNrLHxxFGx9ou5ZVteKLXYiWDysCIArxTjCrLGyNm1O0wPgZz3Q4dfbGkAZyFNgk x5Bcau9fMA0GCSqGSIb3DQEBCwUAA4IBAQBA8PSfDQTfz7PdkNaGgFiDoNJf6yEs YDaphTcI3V1kzx3Y9o2JJ7F7HOs4m+4m/vphz5zA+N15J6eGVKNU029KuQcW77r5 By2tglREAluRoqYOGccTcAbyzRFhuWaClHSCa4ehznLqZtoZGlcr3UG2IaX9pVnP n3MtXzXQbix3Ebyb8OvqUAZ7o4qsZQgV2Rb8Ye8vDaTk4ovhuSTXdt1pluI6jOc2 Q1nhNb3pjBWS6vtdhvmysA3eX53J1huT9UXd2L62Fxvs95M/BCJ5/j18X2E9LggL 7LfaiZt3Y38iSfEtDXxJlA34PHQQBdnfCpKdb9CrGPXtpxZ64DkLuFJ3 -----END CERTIFICATE----- 1 s:C = BE, O = GlobalSign nv-sa, CN = AlphaSSL CA - SHA256 - G4 i:C = BE, O = GlobalSign nv-sa, OU = Root CA, CN = GlobalSign Root CA -----BEGIN CERTIFICATE----- MIIEijCCA3KgAwIBAgIQfU1CqStDHX5kU+fBmo1YdzANBgkqhkiG9w0BAQsFADBX MQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTEQMA4GA1UE CxMHUm9vdCBDQTEbMBkGA1UEAxMSR2xvYmFsU2lnbiBSb290IENBMB4XDTIyMTAx MjAzNDk0M1oXDTI3MTAxMjAwMDAwMFowTDELMAkGA1UEBhMCQkUxGTAXBgNVBAoT EEdsb2JhbFNpZ24gbnYtc2ExIjAgBgNVBAMTGUFscGhhU1NMIENBIC0gU0hBMjU2 IC0gRzQwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCtJCmVZhWIPzOH A3jP1QwkuDFT8/+DImyZlSt85UpZwq7G0Sqd+n8gLlHIZypQkad5VkT7OLU+MI78 lC7LVwxpU19ExlaWL67ANyWG8XHx3AJFQoZhuDbvUeNzRQyQs6XS5wN6uDlF0Bf1 AtCUQWrGGLGYwyC1xTrzgrFKpESsIXMqklUGTsh8i7DKZhRUVfgrPLJUkbbLUrLY 42+KRCiwfSvBloC5PgDYnj3oMZ1aTe3Wfk3l1I4D3RKaJ4PU1qHXhHJOge2bjGIG l6MsaBN+BB2sr6EnxX0xnMIbew2oIfOFoLqs47vh/GH4JN0qql2WBHfDPVDm3b+G QxY6N/LXAgMBAAGjggFbMIIBVzAOBgNVHQ8BAf8EBAMCAYYwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMBIGA1UdEwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYE FE/LrKjC76vdg29rv86YPVxYJXYVMB8GA1UdIwQYMBaAFGB7ZhpFDZfKiVAvfQTN NKj//P1LMHoGCCsGAQUFBwEBBG4wbDAtBggrBgEFBQcwAYYhaHR0cDovL29jc3Au Z2xvYmFsc2lnbi5jb20vcm9vdHIxMDsGCCsGAQUFBzAChi9odHRwOi8vc2VjdXJl Lmdsb2JhbHNpZ24uY29tL2NhY2VydC9yb290LXIxLmNydDAzBgNVHR8ELDAqMCig JqAkhiJodHRwOi8vY3JsLmdsb2JhbHNpZ24uY29tL3Jvb3QuY3JsMCEGA1UdIAQa MBgwCAYGZ4EMAQIBMAwGCisGAQQBoDIKAQMwDQYJKoZIhvcNAQELBQADggEBABol 9nNkiECpWQenQ7oVP1FhvRX/LWTdzXpdMmp/SELnEJhoOe+366E0dt8tWGg+ezAc DPeGYPmp83nAVLeDpji7Nqu8ldB8+G/B6U9GB8i2DDIAqSsFEvcMbWb5gZ2/DmRN cifGi9FKAuFu2wyft4s4DHwzL2CJ2zjMlUOM3RaE1cxuOs+Om6MCD9G7vnkAtSiC /OOfHO902f4yI2a48K+gKaAf3lISFXjd32pwQ21LpM3ueIGydaJ+1/z8nv+C7SUT 5bHoz7cYU27LUvh1n2WSNnC6/QwFSoP6gNKa4POO/oO13xjhrLRHJ/04cKMbRALt JWQkPacJ8SJVhB2R7BI= -----END CERTIFICATE----- --- Server certificate subject=CN = *.researchgate.net issuer=C = BE, O = GlobalSign nv-sa, CN = AlphaSSL CA - SHA256 - G4 --- 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 4736 bytes and written 407 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