Namecheap.com

SSL Checker

Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.

Report

Hostname: Matches Common Name or/and SAN
Expired: No (235 days till expiration)
Public Key: We were unable to find any issues in the public key of end-entity certificate
Trusted: Yes, we were able to verify the certificate
Self-Signed: No, the end-entity certificate is not self-signed
Chain Issues: No, we were unable to detect any issues in the certificate chain sent by the server
Weak signatures: No, certificates sent by the server were not signed utilizing a weak hash function
OCSP Status: 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 →
Subject 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 →
In 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-----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hrVMoM3z99jZ5njgwlX8oIskhbjuOw4/4YgcZa/jiAaffbhQ0rd4B6MOFwEf9OQf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-----END CERTIFICATE-----
======================================
---
Certificate chain
 0 s:CN = *.researchgate.net
   i:C = BE, O = GlobalSign nv-sa, CN = AlphaSSL CA - SHA256 - G4
-----BEGIN CERTIFICATE-----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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
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EEdsb2JhbFNpZ24gbnYtc2ExIjAgBgNVBAMTGUFscGhhU1NMIENBIC0gU0hBMjU2
IC0gRzQwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCtJCmVZhWIPzOH
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KwYBBQUHAwEGCCsGAQUFBwMCMBIGA1UdEwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYE
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NKj//P1LMHoGCCsGAQUFBwEBBG4wbDAtBggrBgEFBQcwAYYhaHR0cDovL29jc3Au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-----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