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SSL Checker

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

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Hostname: Matches Common Name or/and SAN
Expired: No (329 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: 162.140.14.82
Reverse IP lookup: No records found
Nameserver: ns3.gpo.gov.
Nameserver: ns4.gpo.gov.

General Information

Common Name: www.gpo.gov
SANs: DNS:www.gpo.govDNS:govinfo.govDNS:www.govinfo.govDNS:gpo.govDNS:m.gpo.govDNS:fdsys.govDNS:www.fdsys.govDNS:api.fdsys.govDNS:congressionalrecord.govDNS:www.congressionalrecord.govDNS:presidentialdocuments.govDNS:www.presidentialdocuments.govDNS:congressionaldirectory.govDNS:www.congressionaldirectory.govDNS:housecalendar.govDNS:www.housecalendar.govDNS:senatecalendar.govDNS:www.senatecalendar.govDNS:uscode.govDNS:www.uscode.govDNS:frwebgate.access.gpo.govDNS:edocket.access.gpo.gov Total number of SANs: 22
Organization: Government Publishing Office
Locality: Washington
Signature Algorithm: sha256WithRSAEncryption
Key Type: RSA
Key size: 2048 bits
Serial Number: 80791a61df223c219e0958add14dbca
Not Before: Feb 01, 2024 00:00:00 GMT
Not After: Feb 21, 2025 23:59:59 GMT
Number of certs: 2
Revocation Status: good
OCSP Stapling: Not Supported
Server: BigIP
HSTS: Not Supported
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: www.gpo.gov

Decode this certificate for verbose information →
Subject Common Name www.gpo.gov
Subject Organization Government Publishing Office
Issuer Common Name DigiCert EV RSA CA G2
Issuer Organization DigiCert Inc
Not Before: Feb 01, 2024 00:00:00 GMT
Not After: Feb 21, 2025 23:59:59 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 80791a61df223c219e0958add14dbca
SHA1 Fingerprint: CB:9F:4C:79:12:13:75:18:17:2B:5F:E2:24:D5:4A:0D:9B:C0:76:EE
MD5 Fingerprint: 0D:5C:39:BB:54:B3:51:78:FC:E0:AB:CD:93:32:C8:AB

Certificate # 2 - Common Name: DigiCert EV RSA CA G2

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name DigiCert EV RSA CA G2
Subject Organization DigiCert Inc
Issuer Common Name DigiCert Global Root G2
Issuer Organization DigiCert Inc
Not Before: Jul 02, 2020 12:42:50 GMT
Not After: Jul 02, 2030 12:42:50 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 1678f1fef882255d8b0a70e6b7bb220
SHA1 Fingerprint: 09:0A:16:F9:BA:16:00:1B:2E:C1:30:F8:05:23:E5:B5:EB:25:91:58
MD5 Fingerprint: 51:25:85:FE:60:C0:F0:F9:98:8B:2A:94:52:6D:4D:82

OpenSSL Handshake

depth=2 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert Global Root G2
verify return:1
depth=1 C = US, O = DigiCert Inc, CN = DigiCert EV RSA CA G2
verify return:1
depth=0 jurisdictionC = US, businessCategory = Government Entity, serialNumber = Government Entity, C = US, ST = District of Columbia, L = Washington, O = Government Publishing Office, CN = www.gpo.gov
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
 0 s:jurisdictionC = US, businessCategory = Government Entity, serialNumber = Government Entity, C = US, ST = District of Columbia, L = Washington, O = Government Publishing Office, CN = www.gpo.gov
   i:C = US, O = DigiCert Inc, CN = DigiCert EV RSA CA G2
-----BEGIN CERTIFICATE-----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Eq1Ka0NkJ1Tzk7kgCj0tEOObjQIDAQABo4IFAzCCBP8wHwYDVR0jBBgwFoAUak5Q
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dW1lbnRzLmdvdoIdd3d3LnByZXNpZGVudGlhbGRvY3VtZW50cy5nb3aCGmNvbmdy
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5N3hRHj1aIRW6mc1i5q2vynXnESJOvFkuD+uITACIF5hqulB+opwDtAl3c93LmgN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BSr+dP0dU5+oKPjO3Ge6dEGplOCGpDcOG8u/bhUfCqtRBuzjXzLbpXBQu6fafjhb
mOv4
-----END CERTIFICATE-----
 1 s:C = US, O = DigiCert Inc, CN = DigiCert EV RSA CA G2
   i:C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert Global Root G2
-----BEGIN CERTIFICATE-----
MIIFPDCCBCSgAwIBAgIQAWePH++IIlXYsKcOa3uyIDANBgkqhkiG9w0BAQsFADBh
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBH
MjAeFw0yMDA3MDIxMjQyNTBaFw0zMDA3MDIxMjQyNTBaMEQxCzAJBgNVBAYTAlVT
MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxHjAcBgNVBAMTFURpZ2lDZXJ0IEVWIFJT
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cnWLmbEVEcLHPAnbl+/iKauQpQlU1Mi+wEBnjE5tK8Q778naXnF+DsedQJ7NEi+b
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aWNlcnQuY29tL0RpZ2lDZXJ0R2xvYmFsUm9vdEcyLmNybDA3oDWgM4YxaHR0cDov
L2NybDQuZGlnaWNlcnQuY29tL0RpZ2lDZXJ0R2xvYmFsUm9vdEcyLmNybDCBzgYD
VR0gBIHGMIHDMIHABgRVHSAAMIG3MCgGCCsGAQUFBwIBFhxodHRwczovL3d3dy5k
aWdpY2VydC5jb20vQ1BTMIGKBggrBgEFBQcCAjB+DHxBbnkgdXNlIG9mIHRoaXMg
Q2VydGlmaWNhdGUgY29uc3RpdHV0ZXMgYWNjZXB0YW5jZSBvZiB0aGUgUmVseWlu
ZyBQYXJ0eSBBZ3JlZW1lbnQgbG9jYXRlZCBhdCBodHRwczovL3d3dy5kaWdpY2Vy
dC5jb20vcnBhLXVhMA0GCSqGSIb3DQEBCwUAA4IBAQBSMgrCdY2+O9spnYNvwHiG
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o9iXkkxLhKEgApA2Ft2eZfPrTolc95PwSWnn3FZ8BhdGO4brTA4+zkPSKoMXi/X+
WLBNN29Z/nbCS7H/qLGt7gViEvTIdU8x+H4l/XigZMUDaVmJ+B5d7cwSK7yOoQdf
oIBGmA5Mp4LhMzo52rf//kXPfE3wYIZVHqVuxxlnTkFYmffCX9/Lon7SWaGdg6Rc
k4RHhHLWtmz2lTZ5CEo2ljDsGzCFGJP7oT4q6Q8oFC38irvdKIJ95cUxYzj4tnOI
-----END CERTIFICATE-----
---
Server certificate
subject=jurisdictionC = US, businessCategory = Government Entity, serialNumber = Government Entity, C = US, ST = District of Columbia, L = Washington, O = Government Publishing Office, CN = www.gpo.gov

issuer=C = US, O = DigiCert Inc, CN = DigiCert EV RSA CA G2

---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA
Server Temp Key: ECDH, P-256, 256 bits
---
SSL handshake has read 4067 bytes and written 444 bytes
Verification: OK
---
New, TLSv1.2, Cipher is ECDHE-RSA-AES128-GCM-SHA256
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : ECDHE-RSA-AES128-GCM-SHA256
    Session-ID: E4F3B69C58D74B200DFA443F025F32EB21A170E34D6EEC7F23E2E813506F0279
    Session-ID-ctx: 
    Master-Key: A824D1A09B98E8F686A9A0DB99B6E99A0C8E90AC0AE72FCE55F801345275B076D5FA6BF4023AA7BEE9B3DB9DD0AAD67A
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    Start Time: 1711725423
    Timeout   : 7200 (sec)
    Verify return code: 0 (ok)
    Extended master secret: yes
---
DONE