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THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

corduro.com · 208.80.20.162:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate has expired.

Certificate verification failed

Subject
CN=*.corduro.com
Issuer
C=US ST=Arizona L=Scottsdale O=GoDaddy.com, Inc. OU=http://certs.godaddy.com/repository/ CN=Go Daddy Secure Certificate Authority - G2
Valid from
2025-09-03T02:36:10+00:00
Expires
2026-10-04T22:02:39+00:00
Days remaining
-40
Serial (hex)
811CE850479C3640
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.corduro.com, DNS:corduro.com

SHA-256 fingerprint

36:7D:F4:EF:21:15:90:CE:13:6A:FB:76:EB:CE:E6:57:44:8F:93:47:E1:0E:8A:E6:25:EC:93:6B:BE:02:10:97
Certificate extensions & PEM
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
keyUsage
Digital Signature, Key Encipherment
crlDistributionPoints
Full Name: URI:http://crl.godaddy.com/gdig2s1-61347.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 2.16.840.1.114413.1.7.23.1 CPS: http://certificates.godaddy.com/repository/
authorityInfoAccess
OCSP - URI:http://ocsp.godaddy.com/ CA Issuers - URI:http://certificates.godaddy.com/repository/gdig2.crt
authorityKeyIdentifier
40:C2:BD:27:8E:CC:34:83:30:A2:33:D7:FB:6C:B3:F0:B4:2C:80:CE
subjectAltName
DNS:*.corduro.com, DNS:corduro.com
subjectKeyIdentifier
95:94:80:E1:F9:ED:8F:DA:25:8A:0F:5A:68:37:33:9C:42:22:49:71
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Sep 3 02:36:11.223 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:ED:1F:3E:A6:95:DC:31:E2:17:A0:BF: CB:B2:77:C9:BD:62:1A:DF:03:04:2D:5B:77:7E:54:FE: 64:A1:19:C3:5B:02:21:00:BF:49:EB:B4:73:B0:67:12: B4:95:E4:1A:5E:D1:E8:3A:88:CD:22:D2:02:EF:23:94: 0B:01:2B:A4:F7:9A:E9:A0 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Sep 3 02:36:11.493 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D7:DB:89:77:6F:FE:AB:B0:06:2E:29: 6D:B7:C3:76:41:5F:1A:BF:1B:A2:AF:DA:5D:67:AD:00: 6A:E2:16:95:D4:02:21:00:EB:5C:9D:96:20:02:53:4E: 53:96:E9:AB:BE:97:46:0F:7A:7C:F3:B7:3F:24:49:5D: 18:FD:9D:90:3B:9F:DF:4C Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Sep 3 02:36:11.678 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:41:36:69:8F:64:69:BB:5F:3D:40:B6:0F: 38:23:B1:62:87:22:A9:1C:2D:FB:AF:7A:09:6F:A4:BE: 3E:4C:6B:AE:02:21:00:9A:FA:80:7F:05:0B:DC:EC:8C: B3:91:3B:A0:10:05:07:DB:7C:84:91:3C:4B:A7:76:64: E7:BA:B1:6F:06:3F:F5
-----BEGIN CERTIFICATE-----
MIIGkDCCBXigAwIBAgIJAIEc6FBHnDZAMA0GCSqGSIb3DQEBCwUAMIG0MQswCQYD
VQQGEwJVUzEQMA4GA1UECBMHQXJpem9uYTETMBEGA1UEBxMKU2NvdHRzZGFsZTEa
MBgGA1UEChMRR29EYWRkeS5jb20sIEluYy4xLTArBgNVBAsTJGh0dHA6Ly9jZXJ0
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dXJlIENlcnRpZmljYXRlIEF1dGhvcml0eSAtIEcyMB4XDTI1MDkwMzAyMzYxMFoX
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KoZIhvcNAQEBBQADggEPADCCAQoCggEBAPKIlOwnPZkfz7RTjtCgDLMVsCEeYgNz
uVa630U9hDTKwjpsp+fA9vnUvheTQ3pSnzvLP2yxSjSnHvE1qOJCDRBlRKVJMMk9
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KjwhzXQH2nHm07fjDGutUaWFUeEURWn+IzPod8gsjbNmcbGOOiESHxbO5VRTjgo9
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Az4wggM6MAwGA1UdEwEB/wQCMAAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUF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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-13T14:27:13+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US ST=Arizona L=Scottsdale O=GoDaddy.com, Inc. OU=http://certs.godaddy.com/repository/ CN=Go Daddy Secure Certificate Authority - G2
Issuer
C=US ST=Arizona L=Scottsdale O=GoDaddy.com, Inc. CN=Go Daddy Root Certificate Authority - G2
Valid from
2011-05-03T07:00:00+00:00
Expires
2031-05-03T07:00:00+00:00
Days remaining
1631
Serial (hex)
07
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

97:3A:41:27:6F:FD:01:E0:27:A2:AA:D4:9E:34:C3:78:46:D3:E9:76:FF:6A:62:0B:67:12:E3:38:32:04:1A:A6
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Certificate Sign, CRL Sign
subjectKeyIdentifier
40:C2:BD:27:8E:CC:34:83:30:A2:33:D7:FB:6C:B3:F0:B4:2C:80:CE
authorityKeyIdentifier
3A:9A:85:07:10:67:28:B6:EF:F6:BD:05:41:6E:20:C1:94:DA:0F:DE
authorityInfoAccess
OCSP - URI:http://ocsp.godaddy.com/
crlDistributionPoints
Full Name: URI:http://crl.godaddy.com/gdroot-g2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://certs.godaddy.com/repository/
-----BEGIN CERTIFICATE-----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b2RhZGR5LmNvbS9nZHJvb3QtZzIuY3JsMEYGA1UdIAQ/MD0wOwYEVR0gADAzMDEG
CCsGAQUFBwIBFiVodHRwczovL2NlcnRzLmdvZGFkZHkuY29tL3JlcG9zaXRvcnkv
MA0GCSqGSIb3DQEBCwUAA4IBAQAIfmyTEMg4uJapkEv/oV9PBO9sPpyIBslQj6Zz
91cxG7685C/b+LrTW+C05+Z5Yg4MotdqY3MxtfWoSKQ7CC2iXZDXtHwlTxFWMMS2
RJ17LJ3lXubvDGGqv+QqG+6EnriDfcFDzkSnE3ANkR/0yBOtg2DZ2HKocyQetawi
DsoXiWJYRBuriSUBAA/NxBti21G00w9RKpv0vHP8ds42pM3Z2Czqrpv1KrKQ0U11
GIo/ikGQI31bS/6kA1ibRrLDYGCD+H1QQc7CoZDDu+8CL9IVVO5EFdkKrqeKM+2x
LXY2JtwE65/3YR8V3Idv7kaWKK2hJn0KCacuBKONvPi8BDAB
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US ST=Arizona L=Scottsdale O=GoDaddy.com, Inc. CN=Go Daddy Root Certificate Authority - G2
Issuer
C=US ST=Arizona L=Scottsdale O=GoDaddy.com, Inc. CN=Go Daddy Root Certificate Authority - G2
Valid from
2009-09-01T00:00:00+00:00
Expires
2037-12-31T23:59:59+00:00
Days remaining
4066
Serial (hex)
0
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

45:14:0B:32:47:EB:9C:C8:C5:B4:F0:D7:B5:30:91:F7:32:92:08:9E:6E:5A:63:E2:74:9D:D3:AC:A9:19:8E:DA
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Certificate Sign, CRL Sign
subjectKeyIdentifier
3A:9A:85:07:10:67:28:B6:EF:F6:BD:05:41:6E:20:C1:94:DA:0F:DE
-----BEGIN CERTIFICATE-----
MIIDxTCCAq2gAwIBAgIBADANBgkqhkiG9w0BAQsFADCBgzELMAkGA1UEBhMCVVMx
EDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxGjAYBgNVBAoT
EUdvRGFkZHkuY29tLCBJbmMuMTEwLwYDVQQDEyhHbyBEYWRkeSBSb290IENlcnRp
ZmljYXRlIEF1dGhvcml0eSAtIEcyMB4XDTA5MDkwMTAwMDAwMFoXDTM3MTIzMTIz
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EwpTY290dHNkYWxlMRowGAYDVQQKExFHb0RhZGR5LmNvbSwgSW5jLjExMC8GA1UE
AxMoR28gRGFkZHkgUm9vdCBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkgLSBHMjCCASIw
DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAL9xYgjx+lk09xvJGKP3gElY6SKD
E6bFIEMBO4Tx5oVJnyfq9oQbTqC023CYxzIBsQU+B07u9PpPL1kwIuerGVZr4oAH
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tDtwKj9useiciAF9n9T521NtYJ2/LOdYq7hfRvzOxBsDPAnrSTFcaUaz4EcCAwEA
AaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAQYwHQYDVR0OBBYE
FDqahQcQZyi27/a9BUFuIMGU2g/eMA0GCSqGSIb3DQEBCwUAA4IBAQCZ21151fmX
WWcDYfF+OwYxdS2hII5PZYe096acvNjpL9DbWu7PdIxztDhC2gV7+AJ1uP2lsdeu
9tfeE8tTEH6KRtGX+rcuKxGrkLAngPnon1rpN5+r5N9ss4UXnT3ZJE95kTXWXwTr
gIOrmgIttRD02JDHBHNA7XIloKmf7J6raBKZV8aPEjoJpL1E/QYVN8Gb5DKj7Tjo
2GTzLH4U/ALqn83/B2gX2yKQOC16jdFU8WnjXzPKej17CuPKf1855eJ1usV2GDPO
LPAvTK33sefOT6jEm0pUBsV/fdUID+Ic/n4XuKxe9tQWskMJDE32p2u0mYRlynqI
4uJEvlz36hz1
-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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