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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

mail.cleanmx.pt · 185.15.20.92:443

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=*.ptisp.systems
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2023
Valid from
2025-01-07T11:05:37+00:00
Expires
2026-02-08T11:05:36+00:00
Days remaining
-244
Serial (hex)
561B2AA4C7571F88E62D186B
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.ptisp.systems, DNS:ptisp.systems

SHA-256 fingerprint

4A:DF:6E:B4:78:38:43:77:A3:E1:D2:61:47:2A:3B:DA:17:21:15:9A:73:AD:01:29:91:7C:E2:0A:79:23:8F:31
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr6alphasslca2023.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr6alphasslca2023
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3 CPS: https://www.globalsign.com/repository/
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr6alphasslca2023.crl
subjectAltName
DNS:*.ptisp.systems, DNS:ptisp.systems
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
BD:05:B7:F3:8A:93:3C:73:CB:79:FA:0F:85:12:A1:77:96:18:91:74
subjectKeyIdentifier
59:22:D8:1D:F6:97:13:4F:F2:D0:83:21:98:93:6B:29:E5:90:C2:BD
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 64:11:C4:6C:A4:12:EC:A7:89:1C:A2:02:2E:00:BC:AB: 4F:28:07:D4:1E:35:27:AB:EA:FE:D5:03:C9:7D:CD:F0 Timestamp : Jan 7 11:05:39.325 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:06:15:96:0F:36:C1:7C:FA:5A:3A:5A:9A: 9E:F4:9D:01:C1:B9:0F:10:6C:2F:16:3A:00:AC:66:DE: 79:B1:62:24:02:21:00:DD:22:96:DB:AB:3D:D0:25:32: 04:01:F3:94:31:6C:56:E0:23:9B:15:8A:43:8F:07:6C: 49:80:77:8C:D2:91:DA Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 0E:57:94:BC:F3:AE:A9:3E:33:1B:2C:99:07:B3:F7:90: DF:9B:C2:3D:71:32:25:DD:21:A9:25:AC:61:C5:4E:21 Timestamp : Jan 7 11:05:39.674 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:2A:CA:D4:B6:57:17:D0:11:2B:D5:57:17: 7B:E9:54:51:4C:24:51:93:7A:BD:0D:98:A8:C2:26:3B: 41:F2:06:6E:02:21:00:FD:FC:58:68:1A:FD:80:81:16: B3:6B:D9:3E:4C:06:FC:46:0A:8B:A0:01:5D:D2:3D:27: F8:ED:FD:03:30:3E:70 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 25:2F:94:C2:2B:29:E9:6E:9F:41:1A:72:07:2B:69:5C: 5B:52:FF:97:A9:0D:25:40:BB:FC:DC:51:EC:4D:EE:0B Timestamp : Jan 7 11:05:39.225 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:1A:25:ED:A1:A9:03:9D:C3:0F:EA:6E:FF: A9:2B:93:83:E8:D1:57:91:0B:28:9A:52:17:EE:18:67: 85:D6:6D:22:02:21:00:D8:76:04:98:55:45:80:05:6A: 43:D0:77:C8:A2:A1:70:20:73:99:11:AF:E3:EB:35:2E: 26:62:A7:FA:74:92:E0
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-10T10:19:50+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2023
Issuer
OU=GlobalSign Root CA - R6 O=GlobalSign CN=GlobalSign
Valid from
2023-07-19T03:43:25+00:00
Expires
2026-07-19T00:00:00+00:00
Days remaining
-84
Serial (hex)
7F1F2C902E83D0E3B6FB3BEE478B5E80
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

E4:6F:B2:A7:50:97:A3:45:D4:24:6D:CF:44:A1:0D:AA:71:D9:FD:0E:BF:AB:61:BA:67:E6:DB:84:EE:5B:6C:AB
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
BD:05:B7:F3:8A:93:3C:73:CB:79:FA:0F:85:12:A1:77:96:18:91:74
authorityKeyIdentifier
AE:6C:05:A3:93:13:E2:A2:E7:E2:D7:1C:D6:C7:F0:7F:C8:67:53:A0
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr6 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r6.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r6.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3
-----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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