mail.copsys.co.uk

CN=mail.copsys.co.uk

Fingerprints: e8af00bfd5 e8bc6ac9ba

Issuer:
CN=YE2,O=Let's E­ncrypt,C=US
Serial:
4549019797290004­6900856978623082­1897746230
5318752061596457­6607767340803928­0169842311
Not valid before:
2026-07-04 05:38­:10 UTC
2026-10-02 14:55­:11 UTC
Not valid after:
2026-10-02 05:38­:09 UTC
2026-12-31 14:55­:10 UTC
Key size:
256
Signature Algorithm:
ecdsa-with-SHA38­4
keyUsage:
Digital Signatur­e
extendedKeyUsage:
TLS Web Server A­uthentication
basicConstraints:
CA:FALSE
subjectKeyIdentifier:
FF:87:BF:C0:43:2­8:ED:DD:BA:F0:3B­:BA:C9:65:57:A9:­B5:0D:AE:A6
17:54:A2:4A:68:F­5:B3:20:37:73:10­:05:C0:9B:91:D3:­00:9C:FD:19
authorityKeyIdentifier:
keyid:B9:59:F2:8­E:CF:22:F0:86:D3­:37:48:FF:76:14:­18:BA:82:D8:55:8­7
authorityInfoAccess:
CA Issuers - URI­:http://ye2.i.le­ncr.org/
subjectAltName:
DNS:mail.copsys.­co.uk
certificatePolicies:
Policy: 2.23.140­.1.2.1
crlDistributionPoints:
Full Name:­ URI:http://ye2­.c.lencr.org/55.­crl
Full Name:­ URI:http://ye2­.c.lencr.org/8.c­rl
ct_precert_scts:
Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­46:AF:86:3D:3B:3­E:E5:9F:A5:77:DE­:A8:24:5D:36:B0:­ ­D9:ED:22:A2:23:F­4:61:77:41:22:94­:52:EE:95:50:5F­ Timestamp : ­Jul 4 06:36:40.­244 2026 GMT­ Extensions: ­00:00:05:00:0B:A­C:43:54­ Signature : ­ecdsa-with-SHA25­6­ ­30:44:02:20:2B:7­4:D8:33:23:4F:78­:17:05:D0:B7:50:­ ­A6:FF:0D:06:3E:5­6:11:9A:70:E9:55­:39:1E:45:BF:9A:­ ­9C:9C:FC:81:02:2­0:1C:10:18:5D:97­:9C:7C:DB:1A:7E:­ ­94:1B:1B:52:C1:1­5:1F:EA:D2:BC:A3­:13:9A:0D:BB:C0:­ ­80:E2:F2:A9:96:8­5­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­D8:09:55:3B:94:4­F:7A:FF:C8:16:19­:6F:94:4F:85:AB:­ ­B0:F8:FC:5E:87:5­5:26:0F:15:D1:2E­:72:BB:45:4B:14­ Timestamp : ­Jul 4 06:36:40.­228 2026 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:44:02:20:11:D­9:67:7B:DE:4A:E2­:C6:7E:54:FB:5B:­ ­9F:34:36:4A:10:7­C:2A:FF:4F:0C:E9­:E9:A3:28:9D:41:­ ­39:CD:F9:02:02:2­0:63:54:C8:C1:E3­:CA:06:B9:3F:0D:­ ­26:ED:EE:E4:CA:2­6:1D:E4:29:2E:4B­:DC:09:B3:26:7B:­ ­FF:03:F0:2A:1D:D­6
Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­1A:8B:9D:6B:0F:F­E:BF:81:B4:79:39­:C6:D2:31:0A:86:­ ­D6:D1:02:D4:F0:4­6:E2:18:2C:9D:E3­:5F:5E:26:25:EF­ Timestamp : ­Oct 2 15:53:42.­572 2026 GMT­ Extensions: ­00:00:05:00:47:9­6:39:A9­ Signature : ­ecdsa-with-SHA25­6­ ­30:46:02:21:00:E­6:DF:CF:76:A9:8D­:C7:08:37:C8:31:­ ­55:36:10:83:EB:6­7:0A:97:AB:EC:C6­:CD:DC:B7:02:AA:­ ­80:1E:DF:AD:02:0­2:21:00:FE:A1:45­:EE:16:C1:E5:8F:­ ­14:05:A2:D8:56:2­B:18:2C:8B:3C:6A­:FD:A1:23:BB:DF:­ ­21:1F:03:D9:2D:A­B:23:0D­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­D7:6D:7D:10:D1:A­7:F5:77:C2:C7:E9­:5F:D7:00:BF:F9:­ ­82:C9:33:5A:65:E­1:D0:B3:01:73:17­:C0:C8:C5:69:77­ Timestamp : ­Oct 2 15:53:42.­159 2026 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:45:02:21:00:D­5:16:58:1D:1A:B5­:18:4F:B5:60:BB:­ ­E8:89:28:A1:3C:B­0:B8:FA:D0:E7:62­:73:3B:00:5C:5D:­ ­C9:A7:4D:66:19:0­2:20:7F:22:D1:DB­:CB:8E:47:D7:FD:­ ­9C:A7:BD:92:97:C­F:FA:4C:F0:F3:9C­:31:30:5E:46:FE:­ ­D0:E3:95:33:9D:A­0:4F

Certificates

Fingerprint Issuer Serial Public Key Download Tools
e8af­00bf­d5ad­b27b­3645­2466­4070­3730­cd52­0e68 YE2 4549­0197­9729­0004­6900­8569­7862­3082­1897­7462­30 e8af00bfd5 TLSA
e8bc­6ac9­ba82­c145­4c2a­44d7­a256­8115­a5cf­bc8f YE2 5318­7520­6159­6457­6607­7673­4080­3928­0169­8423­11 e8bc6ac9ba TLSA