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

smtp2.rz360.de · 212.110.98.149:443

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

Certificate verification failed

Subject
CN=*.rz360.de
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 AlphaSSL CA 2025
Valid from
2026-08-05T13:09:04+00:00
Expires
2027-02-20T13:09:04+00:00
Days remaining
119
Serial (hex)
4753C772E21A0514739A9C20
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.rz360.de, DNS:rz360.de

SHA-256 fingerprint

6F:8C:7E:02:BA:7A:5D:42:B4:22:8C:96:63:A3:85:24:BC:B7:EE:97:91:5B:6E:63:25:8F:C3:33:52:4E:72:E8
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr46alphasslca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr46alphasslca2025
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr46alphasslca2025.crl
subjectAltName
DNS:*.rz360.de, DNS:rz360.de
authorityKeyIdentifier
A3:4C:AC:B1:BF:B4:88:ED:8B:74:D8:5F:34:38:C9:E9:0A:25:9E:7B
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
08:24:B3:55:A1:36:2F:96:55:84:82:1B:3C:BE:6A:DF:57:19:6A:20
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Aug 5 13:09:08.419 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:72:BE:B0:6F:09:E9:29:D4:65:20:AA:D1: 86:3E:83:A8:79:1D:C7:0C:13:E3:C4:B2:D9:A0:E7:C0: 7F:AA:B8:08:02:21:00:E3:55:E4:74:4A:08:D2:1E:5E: CF:DD:FD:25:05:88:7E:BC:74:52:1F:E6:4A:94:DA:19: AE:84:85:B4:66:E8:85 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Aug 5 13:09:08.231 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A0:CA:F4:A3:6E:EE:B4:82:5F:8D:70: 1E:F6:37:3F:E5:19:32:01:CD:19:C6:FB:78:96:CF:B4: F4:5D:34:A9:AF:02:20:41:F5:CE:66:0D:D0:A0:E9:AD: F6:A2:CA:12:C2:1F:D3:FE:68:09:6C:2F:DA:A8:E5:04: 36:81:C9:8B:47:EB:67 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Aug 5 13:09:08.233 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C8:EB:7C:DA:0A:F3:22:E1:70:54:7B: 09:C0:76:33:3E:9E:80:AA:9E:16:DA:57:C4:5E:B9:E8: 0D:A6:D5:A4:73:02:20:23:55:37:7B:3D:0A:A2:0E:5B: D6:02:17:B7:62:46:09:4A:03:2B:43:E4:FE:5A:23:0F: 55:99:DB:D1:A1:C3:E3
-----BEGIN CERTIFICATE-----
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AY8KMWsrsXcxlqc=
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-24T00:13:35+00:00

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

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