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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

TLSv1.2

ns2.differnet.es · 37.187.106.145:443

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=ceiplapazsjr.es
Issuer
C=US O=Let's Encrypt CN=R13
Valid from
2025-09-20T00:52:50+00:00
Expires
2025-12-19T00:52:49+00:00
Days remaining
-329
Serial (hex)
05289E50F08F5EB7FBFC2889CB6E7B0AC0F4
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:ceiplapazsjr.es, DNS:www.ceiplapazsjr.es

SHA-256 fingerprint

B5:75:D4:90:44:48:F5:C9:4B:D7:86:3E:AD:4B:95:85:6B:D1:57:02:C7:11:0C:FF:98:E1:3A:F3:DA:52:72:68
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
0B:4E:55:D2:81:FB:B3:6B:69:90:F5:0F:19:70:55:39:CA:4A:7C:A1
authorityKeyIdentifier
E7:AB:9F:0F:2C:33:A0:53:D3:5E:4F:78:C8:B2:84:0E:3B:D6:92:33
authorityInfoAccess
CA Issuers - URI:http://r13.i.lencr.org/
subjectAltName
DNS:ceiplapazsjr.es, DNS:www.ceiplapazsjr.es
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://r13.c.lencr.org/117.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C: 22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0 Timestamp : Sep 20 01:51:20.921 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:20:7B:66:7A:CE:2D:66:5C:45:36:7A:86: E6:73:5C:25:12:38:2E:56:51:6D:94:96:B6:6A:4B:36: 31:89:09:1B:02:21:00:BF:E9:03:92:01:71:94:A1:42: BA:DE:ED:81:13:09:31:16:38:20:AD:ED:60:07:49:00: 18:75:36:8C:19:85:8C Signed Certificate Timestamp: Version : v1 (0x0) Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8: 3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A Timestamp : Sep 20 01:51:20.962 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:02:1B:43:6A:30:5D:0F:41:02:01:A7:9C: E1:4A:3B:53:20:79:4D:3F:ED:1C:31:9E:16:15:56:C2: 92:4C:DD:1B:02:20:26:4D:50:D1:B8:6B:0D:15:C8:5D: EB:E0:E0:19:A3:3E:FB:C8:5E:A1:63:1A:3B:95:BB:12: 01:6D:7D:02:E7:BF
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-11-12T08:15:55+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=R13
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
120
Serial (hex)
5A00F212D8D4B480F3924157EA298305
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

D3:B1:28:21:6A:84:3F:8E:F1:32:15:01:F5:DF:52:A5:DF:52:93:9E:E2:C1:92:97:71:2C:D3:DE:4D:41:93:54
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
E7:AB:9F:0F:2C:33:A0:53:D3:5E:4F:78:C8:B2:84:0E:3B:D6:92:33
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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