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

TLSv1.3

datacenter.eu · 80.92.72.99:443

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 expires within 30 days.

Certificate verification failed

Subject
C=LU ST=Esch-sur-Alzette L=Bettembourg O=DATACENTER Luxembourg S.A. CN=*.datacenter.eu
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Valid from
2025-09-05T14:53:24+00:00
Expires
2026-10-07T14:53:23+00:00
Days remaining
14
Serial (hex)
254915043C3179D4F67C963F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.datacenter.eu, DNS:datacenter.eu

SHA-256 fingerprint

74:AD:9A:DA:07:C2:F4:76:48:77:76:66:A2:EE:BB:3E:E0:84:05:D2:96:7B:D3:21:ED:30:E4:1F:69:25:65:4A
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt OCSP - URI:http://ocsp.globalsign.com/gsrsaovsslca2018
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.20 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsrsaovsslca2018.crl
subjectAltName
DNS:*.datacenter.eu, DNS:datacenter.eu
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
subjectKeyIdentifier
AD:5F:DD:FE:C6:56:EC:AC:5D:A0:9D:07:6C:DB:F2:A6:3B:09:44:D6
ct_precert_scts
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 5 14:53:28.159 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:FB:18:F3:5B:48:FE:1B:6D:6D:9C:A8: 4D:83:A0:9F:CD:57:53:E9:EC:4F:21:AA:E1:A3:BE:E7: 6F:BB:4A:54:11:02:20:05:BD:90:FE:A8:39:3C:C8:B1: 0D:EB:36:B7:E8:42:E6:1B:D9:14:47:DD:5A:97:10:00: 61:E6:43:9E:25:90:97 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 5 14:53:27.722 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:C7:E4:41:F2:F5:6B:D6:87:7C:9F:EE: EC:AF:1B:10:19:C5:71:CB:AF:32:96:63:3C:82:46:34: CD:B7:22:2C:FB:02:21:00:EA:2B:3A:78:F7:B5:C3:35: 2B:62:60:88:DF:EB:36:DA:97:FE:B3:23:EF:2F:41:84: C9:F6:3B:E1:8C:15:75:76 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Sep 5 14:53:28.103 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:EF:32:0F:34:5C:57:D7:E9:D4:13:5B: 16:54:A4:C7:B3:82:A8:05:B8:6B:7C:48:55:D9:5D:A4: 27:91:EC:53:26:02:21:00:E4:97:31:73:7E:08:24:10: BC:9F:CE:F1:B6:34:26:53:C0:56:1A:4F:E1:6D:7B:FD: 12:69:C3:46:BC:EB:FA:D1
-----BEGIN CERTIFICATE-----
MIIGrzCCBZegAwIBAgIMJUkVBDwxedT2fJY/MA0GCSqGSIb3DQEBCwUAMFAxCzAJ
BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSYwJAYDVQQDEx1H
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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-22T22:33:49+00:00

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

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