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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.cp247.net · 89.238.188.232:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`mail.mail16.cp247.net' did not match expected CN=`mail.cp247.net'

Certificate verification failed

Subject
CN=mail.mail16.cp247.net
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Valid from
2025-11-03T11:33:21+00:00
Expires
2026-12-05T11:33:20+00:00
Days remaining
65
Serial (hex)
39662A6AD3656CE21861B6E7
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:mail.mail16.cp247.net

SHA-256 fingerprint

5F:21:FC:D0:77:82:B5:6E:5F:05:EF:9E:22:31:A1:87:EB:02:48:1B:EF:36:98:32:C1:3A:C8:24:25:73:F6:5B
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr6alphasslca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr6alphasslca2025
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/gsgccr6alphasslca2025.crl
subjectAltName
DNS:mail.mail16.cp247.net
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
C5:B4:93:8F:6F:2B:DC:1E:48:BF:B7:10:30:85:CE:D1:B2:BB:48:2D
subjectKeyIdentifier
44:C5:45:B8:1D:5D:D3:F4:CB:0D:60:D3:70:5F:8C:7A:09:0A:BB:FF
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 : Nov 3 11:33:25.151 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:3B:12:97:A0:67:55:A7:C1:68:FA:2A:7C: E3:9A:77:8C:40:80:73:D7:AA:50:0D:CD:46:B7:19:06: CD:C3:3E:AE:02:21:00:DF:34:95:AF:42:2D:1C:FF:35: 32:94:4D:D2:17:1A:49:7C:84:5C:7D:7F:07:C0:A3:50: 55:F0:71:91:A3:C4:9F 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 : Nov 3 11:33:24.717 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C8:CA:AB:8A:51:70:96:03:17:99:7A: 3D:41:9F:5B:F0:AC:60:9E:2B:4C:E4:D0:9B:57:AB:B1: 2B:2B:53:13:A6:02:20:32:FC:77:2D:10:68:94:6A:90: F7:A1:37:CF:54:2C:36:BD:31:35:DA:27:2F:03:C8:DB: 33:71:CC:D0:FE:F7:62 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 : Nov 3 11:33:25.109 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:72:87:CE:A6:63:BE:26:CD:4C:B0:E9:00: 5D:F8:E7:61:E0:D1:3A:94:FB:D4:AE:9D:29:BC:3A:D3: D0:2A:C8:60:02:20:12:F1:B0:6F:DA:1D:D4:B3:21:5E: 44:C5:3E:50:B7:DB:06:F4:55:F7:BD:1E:6E:9F:6D:0C: FF:10:0F:AF:5E:D4
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-SHA384 · Checked 2026-10-01T01:00:01+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Issuer
OU=GlobalSign Root CA - R6 O=GlobalSign CN=GlobalSign
Valid from
2025-05-21T02:36:52+00:00
Expires
2027-05-21T00:00:00+00:00
Days remaining
231
Serial (hex)
837D4EB89E912FE72CAD3BC7692DDC20
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A8:83:55:92:31:F8:38:8D:AF:35:CE:41:C8:10:10:40:AE:8F:D9:B6:56:43:42:47:B9:47:5A:F5:92:CC:08:CA
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
C5:B4:93:8F:6F:2B:DC:1E:48:BF:B7:10:30:85:CE:D1:B2:BB:48:2D
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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