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:	Matches Common Name or/and SAN
Expired:	No (86 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:	172.67.40.154
Reverse IP lookup:	No records found
Nameserver:	keanu.ns.cloudflare.com.
Nameserver:	meera.ns.cloudflare.com.

General Information

Common Name:	bitcoin.org
SANs:	DNS:bitcoin.orgDNS:*.bitcoin.org Total number of SANs: 2
Signature Algorithm:	sha256WithRSAEncryption
Key Type:	RSA
Key size:	2048 bits
Serial Number:	5c8b91f4528675730d291480e244b0f0
Not Before:	Apr 16, 2024 04:37:03 GMT
Not After:	Jul 15, 2024 04:37:02 GMT
Number of certs:	3
Revocation Status:	good
OCSP Stapling:	Supported
Server:	cloudflare
HSTS:	max-age=31536000; includeSubDomains; preload
HPKP:	Not Supported

Chain Information

Certificate # 1 - Common Name: bitcoin.org

Decode this certificate for verbose information →

Subject Common Name	bitcoin.org
Issuer Common Name	GTS CA 1P5
Issuer Organization	Google Trust Services LLC
Not Before:	Apr 16, 2024 04:37:03 GMT
Not After:	Jul 15, 2024 04:37:02 GMT
Signature Algorithm:	sha256WithRSAEncryption
Serial Number:	5c8b91f4528675730d291480e244b0f0
SHA1 Fingerprint:	5E:49:46:71:6D:0D:38:D2:18:B3:49:F6:05:AD:ED:13:83:F1:79:30
MD5 Fingerprint:	61:34:E3:76:18:C7:D8:0F:FE:DF:54:7C:2D:94:6A:AE

Certificate # 2 - Common Name: GTS CA 1P5

Decode this certificate for verbose information →

In place?	Yes, this certificate directly certifies the preceding one
Subject Common Name	GTS CA 1P5
Subject Organization	Google Trust Services LLC
Issuer Common Name	GTS Root R1
Issuer Organization	Google Trust Services LLC
Not Before:	Aug 13, 2020 00:00:42 GMT
Not After:	Sep 30, 2027 00:00:42 GMT
Signature Algorithm:	sha256WithRSAEncryption
Serial Number:	203bc50a32753f0918022edf1
SHA1 Fingerprint:	9C:0B:25:2A:67:8A:08:7F:BE:E4:96:A4:43:77:F7:55:6A:C6:05:E7
MD5 Fingerprint:	40:BB:51:1C:4F:B0:F5:5C:73:46:FF:54:B5:D5:8E:62

Certificate # 3 - Common Name: GTS Root R1

Decode this certificate for verbose information →

In place?	Yes, this certificate directly certifies the preceding one
Subject Common Name	GTS Root R1
Subject Organization	Google Trust Services LLC
Issuer Common Name	GlobalSign Root CA
Issuer Organization	GlobalSign nv-sa
Not Before:	Jun 19, 2020 00:00:42 GMT
Not After:	Jan 28, 2028 00:00:42 GMT
Signature Algorithm:	sha256WithRSAEncryption
Serial Number:	77bd0d6cdb36f91aea210fc4f058d30d
SHA1 Fingerprint:	08:74:54:87:E8:91:C1:9E:30:78:C1:F2:A0:7E:45:29:50:EF:36:F6
MD5 Fingerprint:	36:82:B6:C0:EB:81:95:9E:4B:44:58:DF:BB:65:D4:F7

OpenSSL Handshake

depth=3 C = BE, O = GlobalSign nv-sa, OU = Root CA, CN = GlobalSign Root CA
verify return:1
depth=2 C = US, O = Google Trust Services LLC, CN = GTS Root R1
verify return:1
depth=1 C = US, O = Google Trust Services LLC, CN = GTS CA 1P5
verify return:1
depth=0 CN = bitcoin.org
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: D5FC9E0DDF1ECADD0897976E2BC55FC52BF5ECB8
    Produced At: Apr 16 05:37:04 2024 GMT
    Responses:
    Certificate ID:
      Hash Algorithm: sha1
      Issuer Name Hash: EC4A2797F8915935139678B3E8C8A21D097B312E
      Issuer Key Hash: D5FC9E0DDF1ECADD0897976E2BC55FC52BF5ECB8
      Serial Number: 5C8B91F4528675730D291480E244B0F0
    Cert Status: good
    This Update: Apr 16 05:37:04 2024 GMT
    Next Update: Apr 23 04:37:03 2024 GMT

    Signature Algorithm: sha256WithRSAEncryption
         69:0a:75:4c:9a:2a:fa:42:10:a3:3c:46:d1:db:b1:f1:f3:ba:
         6d:0a:69:0c:19:77:7e:1a:fe:be:50:ca:24:63:62:5b:01:88:
         7f:30:a8:d8:ba:90:8d:55:e1:aa:73:fe:b6:2d:b8:a5:dd:a6:
         64:4e:7a:73:11:13:f6:2b:12:bc:1b:b5:db:af:52:58:bf:a6:
         6e:75:c0:7f:be:8f:06:42:c9:03:53:10:3a:ff:3f:61:0e:cc:
         f1:31:b0:b9:26:6f:80:e3:46:d0:3c:dc:b9:09:f7:e6:44:e0:
         72:c2:d7:66:ef:a2:0e:f7:4a:df:b9:b2:6d:df:a4:0b:79:c1:
         6f:1c:f1:ac:eb:2c:47:48:25:45:db:c5:1a:ec:81:e9:09:dc:
         26:d9:20:87:dc:0a:48:f3:36:78:f7:d0:9b:5b:83:bd:7b:09:
         fd:da:68:6f:f3:5c:8e:34:65:89:10:a3:03:b5:b7:48:a5:fd:
         48:58:02:31:ed:d0:a1:de:e5:4d:0a:09:96:c9:ca:5b:e7:d1:
         f5:db:64:e0:fe:c0:39:bf:8b:c7:5d:51:e3:44:ee:1f:15:cb:
         3b:39:60:4f:55:c0:1f:70:c7:03:19:2a:e8:a9:e9:5e:c3:f6:
         74:09:ba:76:18:f1:f1:78:49:4a:15:bf:de:cb:48:af:61:8e:
         44:41:44:f9
======================================
---
Certificate chain
 0 s:CN = bitcoin.org
   i:C = US, O = Google Trust Services LLC, CN = GTS CA 1P5
-----BEGIN CERTIFICATE-----
MIIFaTCCBFGgAwIBAgIQXIuR9FKGdXMNKRSA4kSw8DANBgkqhkiG9w0BAQsFADBG
MQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExM
QzETMBEGA1UEAxMKR1RTIENBIDFQNTAeFw0yNDA0MTYwNDM3MDNaFw0yNDA3MTUw
NDM3MDJaMBYxFDASBgNVBAMTC2JpdGNvaW4ub3JnMIIBIjANBgkqhkiG9w0BAQEF
AAOCAQ8AMIIBCgKCAQEAmgzI2YC2+ecPPT4SbLPLJ2URazOyqB7r64+nUk7pWcpV
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D2YDwMC+9r6zU5D0Cj6HsAy6NJAezdD5YVg7e8mStZWnCSH2PwXi0M85RXlSINmE
uk/WX/N/7q83MYAjAmpdbAwJuYczafBNHTxyC8QTkXAoGntnnh7XsVY00K+5Pvgq
auJKMRukrdzdrGX10svj7Cjdgsw8svRhMpbqf1ENx3Lfznt42cPOAQbepbMWfia7
mB30r8zM2c4uNxxrg1Lc448biTL2ssIlgoUqlGtqeQqc7E/peinyZ2F3lvSd
-----END CERTIFICATE-----
 1 s:C = US, O = Google Trust Services LLC, CN = GTS CA 1P5
   i:C = US, O = Google Trust Services LLC, CN = GTS Root R1
-----BEGIN CERTIFICATE-----
MIIFjDCCA3SgAwIBAgINAgO8UKMnU/CRgCLt8TANBgkqhkiG9w0BAQsFADBHMQsw
CQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExMQzEU
MBIGA1UEAxMLR1RTIFJvb3QgUjEwHhcNMjAwODEzMDAwMDQyWhcNMjcwOTMwMDAw
MDQyWjBGMQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZp
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ggEPADCCAQoCggEBALOC8CSMvy2Hr7LZp676yrpE1ls+/rL3smUW3N4Q6E8tEFha
KIaHoe5qs6DZdU9/oVIBi1WoSlsGSMg2EiWrifnyI1+dYGX5XNq+OuhcbX2c0IQY
hTDNTpvsPNiz4ZbU88ULZduPsHTL9h7zePGslcXdc8MxiIGvdKpv/QzjBZXwxRBP
ZWP6oK/GGD3Fod+XedcFibMwsHSuPZIQa4wVd90LBFf7gQPd6iI01eVWsvDEjUGx
wwLbYuyA0P921IbkBBq2tgwrYnF92a/Z8V76wB7KoBlcVfCA0SoMB4aQnzXjKCtb
7yPIox2kozru/oPcgkwlsE3FUa2em9NbhMIaWukCAwEAAaOCAXYwggFyMA4GA1Ud
DwEB/wQEAwIBhjAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwEgYDVR0T
AQH/BAgwBgEB/wIBADAdBgNVHQ4EFgQU1fyeDd8eyt0Il5duK8VfxSv17LgwHwYD
VR0jBBgwFoAU5K8rJnEaK0gnhS9SZizv8IkTcT4waAYIKwYBBQUHAQEEXDBaMCYG
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MCswKaAnoCWGI2h0dHA6Ly9jcmwucGtpLmdvb2cvZ3RzcjEvZ3RzcjEuY3JsME0G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-----END CERTIFICATE-----
 2 s:C = US, O = Google Trust Services LLC, CN = GTS Root R1
   i:C = BE, O = GlobalSign nv-sa, OU = Root CA, CN = GlobalSign Root CA
-----BEGIN CERTIFICATE-----
MIIFYjCCBEqgAwIBAgIQd70NbNs2+RrqIQ/E8FjTDTANBgkqhkiG9w0BAQsFADBX
MQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTEQMA4GA1UE
CxMHUm9vdCBDQTEbMBkGA1UEAxMSR2xvYmFsU2lnbiBSb290IENBMB4XDTIwMDYx
OTAwMDA0MloXDTI4MDEyODAwMDA0MlowRzELMAkGA1UEBhMCVVMxIjAgBgNVBAoT
GUdvb2dsZSBUcnVzdCBTZXJ2aWNlcyBMTEMxFDASBgNVBAMTC0dUUyBSb290IFIx
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAthECix7joXebO9y/lD63
ladAPKH9gvl9MgaCcfb2jH/76Nu8ai6Xl6OMS/kr9rH5zoQdsfnFl97vufKj6bwS
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KSUjB6G00j0uYODP0gmHu81I8E3CwnqIiru6z1kZ1q+PsAewnjHxgsHA3y6mbWwZ
DrXYfiYaRQM9sHmklCitD38m5agI/pboPGiUU+6DOogrFZYJsuB6jC511pzrp1Zk
j5ZPaK49l8KEj8C8QMALXL32h7M1bKwYUH+E4EzNktMg6TO8UpmvMrUpsyUqtEj5
cuHKZPfmghCN6J3Cioj6OGaK/GP5Afl4/Xtcd/p2h/rs37EOeZVXtL0m79YB0esW
CruOC7XFxYpVq9Os6pFLKcwZpDIlTirxZUTQAs6qzkm06p98g7BAe+dDq6dso499
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Eua++tgy/BBjFFFy3l3WFpO9KWgz7zpm7AeKJt8T11dleCfeXkkUAKIAf5qoIbap
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9f6BQdgAmD06yK56mDcYBZUCAwEAAaOCATgwggE0MA4GA1UdDwEB/wQEAwIBhjAP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-----END CERTIFICATE-----
---
Server certificate
subject=CN = bitcoin.org

issuer=C = US, O = Google Trust Services LLC, CN = GTS CA 1P5

---
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 5178 bytes and written 402 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