DNS
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

TLSv1.2

interpc.fr · 109.239.117.71:443

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=dev.ededoc.fr
Issuer
C=US O=Let's Encrypt CN=R10
Valid from
2025-04-10T01:02:20+00:00
Expires
2025-07-09T01:02:19+00:00
Days remaining
-481
Serial (hex)
06B16CE523E3D4C8A3D0CA9C0831BF4E2271
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:dev.ededoc.fr

SHA-256 fingerprint

91:57:AB:CE:3E:01:B0:62:86:D0:3F:F7:C5:47:6C:E6:97:6A:6F:BE:CE:BF:53:6B:51:B0:03:82:E5:21:BE:FD
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
4F:34:C2:9A:E4:E1:E9:93:26:28:AF:94:DE:6D:E8:28:C8:EB:3F:D8
authorityKeyIdentifier
BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
authorityInfoAccess
OCSP - URI:http://r10.o.lencr.org CA Issuers - URI:http://r10.i.lencr.org/
subjectAltName
DNS:dev.ededoc.fr
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://r10.c.lencr.org/114.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13: F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A Timestamp : Apr 10 02:00:50.948 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:CA:96:62:A8:5F:54:90:F4:E6:72:8B: 35:C0:01:EC:20:8A:DE:B9:E9:3B:55:6F:93:C8:1B:69: 67:2F:24:19:FC:02:20:77:F9:70:6A:82:D8:78:F9:E9: D3:60:5D:50:35:FD:EC:84:50:BD:4A:28:86:22:00:A9: 07:80:B6:75:6A:37:B3 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53: D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7 Timestamp : Apr 10 02:00:52.957 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:D3:6D:CC:1A:9B:29:7D:DA:FF:7C:E7: C4:C4:2B:AE:34:BE:45:5C:AA:C8:A2:D8:3F:0A:A0:23: C2:4D:CD:90:55:02:20:42:D9:28:88:50:76:43:6C:C8: 69:BC:75:06:70:89:1E:42:35:F9:47:35:8A:88:11:6A: 84:9A:B5:3D:28:F8:A4
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-11-01T20:32:17+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=R10
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2024-03-13T00:00:00+00:00
Expires
2027-03-12T23:59:59+00:00
Days remaining
131
Serial (hex)
4BA85293F79A2FA273064BA8048D75D0
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

9D:7C:3F:1A:A6:AD:2B:2E:C0:D5:CF:1E:24:6F:8D:9A:E6:CB:C9:FD:07:55:AD:37:BB:97:4B:1F:2F:B6:03:F3
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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-----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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