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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

texion.eu · 188.68.47.172:443

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=pattberg.io
Issuer
C=US O=Let's Encrypt CN=R3
Valid from
2021-02-12T16:17:17+00:00
Expires
2021-05-13T16:17:17+00:00
Days remaining
-2011
Serial (hex)
04D45BB45A0875935753F7AA2E5C3FF25C81
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:pattberg.io, DNS:www.pattberg.io

SHA-256 fingerprint

6B:EF:2F:86:0F:05:A4:36:98:98:64:95:74:E7:45:34:7F:A0:A4:77:97:50:ED:F9:10:08:70:12:3C:32:2B:DA
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
8F:2C:D0:1C:9D:E7:9E:C9:F8:82:6C:E1:30:3A:B9:3E:56:14:22:AB
authorityKeyIdentifier
14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
authorityInfoAccess
OCSP - URI:http://r3.o.lencr.org CA Issuers - URI:http://r3.i.lencr.org/
subjectAltName
DNS:pattberg.io, DNS:www.pattberg.io
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.44947.1.1.1 CPS: http://cps.letsencrypt.org
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:20:BC:1E:8E:D5:8D:6C:88:73:1F:82:8B:22:2C:0D: D1:DA:4D:5E:6C:4F:94:3D:61:DB:4E:2F:58:4D:A2:C2 Timestamp : Feb 12 17:17:17.112 2021 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F9:1D:90:85:64:1A:67:1C:67:C8:04: B0:C3:B6:14:51:01:9E:A4:08:FF:EF:67:A8:0D:69:F3: 48:9F:D4:E8:5D:02:21:00:C7:75:52:DA:87:18:0F:ED: 37:28:5C:FD:15:EF:E0:C5:84:D9:B8:E1:8B:8D:66:09: 51:12:56:29:81:94:31:54 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 7D:3E:F2:F8:8F:FF:88:55:68:24:C2:C0:CA:9E:52:89: 79:2B:C5:0E:78:09:7F:2E:6A:97:68:99:7E:22:F0:D7 Timestamp : Feb 12 17:17:17.156 2021 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:51:08:EC:45:80:CB:BC:8B:CC:8B:B0:BB: 1E:85:CF:7F:F6:55:F2:A6:39:11:5E:CD:2A:BA:4F:32: 1B:AD:D3:A1:02:21:00:8D:25:26:37:ED:EB:CC:EB:0B: 96:9D:DA:67:FD:55:F9:4B:10:6F:58:F7:7A:8B:62:F7: BA:A6:A9:C5:9E:99:1F
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-14T06:19:55+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=R3
Issuer
O=Digital Signature Trust Co. CN=DST Root CA X3
Valid from
2020-10-07T19:21:40+00:00
Expires
2021-09-29T19:21:40+00:00
Days remaining
-1872
Serial (hex)
400175048314A4C8218C84A90C16CDDF
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

73:0C:1B:DC:D8:5F:57:CE:5D:C0:BB:A7:33:E5:F1:BA:5A:92:5B:2A:77:1D:64:0A:26:F7:A4:54:22:4D:AD:3B
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Digital Signature, Certificate Sign, CRL Sign
authorityInfoAccess
CA Issuers - URI:http://apps.identrust.com/roots/dstrootcax3.p7c
authorityKeyIdentifier
C4:A7:B1:A4:7B:2C:71:FA:DB:E1:4B:90:75:FF:C4:15:60:85:89:10
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.44947.1.1.1 CPS: http://cps.root-x1.letsencrypt.org
crlDistributionPoints
Full Name: URI:http://crl.identrust.com/DSTROOTCAX3CRL.crl
subjectKeyIdentifier
14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
-----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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