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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

TLSv1.3

poste.it · 13.107.213.43:443

Verified
The certificate expires within 30 days.

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
businessCategory=Private Organization serialNumber=97103880585 jurisdictionC=IT C=IT ST=Roma L=Roma O=POSTE ITALIANE S.p.A. CN=www.poste.it
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 EV TLS CA 2025
Valid from
2026-03-30T09:11:09+00:00
Expires
2026-10-15T09:11:09+00:00
Days remaining
17
Serial (hex)
1024AD6A46C85347A8BB6F6D
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.poste.it, DNS:poste.it

SHA-256 fingerprint

73:5C:49:DE:FB:3B:13:B7:14:1D:D8:07:AD:12:6E:83:02:79:E7:17:E4:10:9B:BC:E7:54:CB:E6:62:EF:DC:53
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr3evtlsca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr3evtlsca2025
certificatePolicies
Policy: 2.23.140.1.1 Policy: 1.3.6.1.4.1.4146.10.1.1 CPS: https://www.globalsign.com/repository/ Policy: 1.3.6.1.4.1.4146.1.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr3evtlsca2025.crl
subjectAltName
DNS:www.poste.it, DNS:poste.it
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
63:10:7F:E4:28:33:9A:F8:47:60:59:52:7E:57:10:C7:4D:F8:17:16
subjectKeyIdentifier
8B:B1:E6:A5:CA:18:E0:E4:17:18:9C:F5:09:24:4D:4A:8D:84:10:89
ct_precert_scts
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 : Mar 30 09:11:12.885 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E3:1D:46:3D:10:57:C2:14:2C:46:88: ED:D3:5D:DD:C9:B4:54:A0:CA:9D:AA:F2:07:CE:FB:F7: 6B:DF:81:9E:56:02:20:7B:54:A8:9D:F1:E4:9A:C1:9F: 03:39:A8:E6:86:BD:A1:4E:1A:8D:73:A7:64:55:AE:9D: 8D:9D:0C:A4:DE:4B:C9 Signed 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 : Mar 30 09:11:13.695 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:54:83:1A:31:D1:77:5C:1B:57:B3:42:E0: 82:2A:F6:75:87:58:A7:3A:68:E6:05:D9:A7:77:E2:93: F5:BC:4D:48:02:20:6D:56:14:2E:95:68:68:55:50:7F: AD:1E:64:EA:53:C9:0A:4E:C9:E5:30:FD:DE:18:BC:34: 16:56:A9:17:A5:6E Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : Mar 30 09:11:12.901 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:A2:11:FF:C3:10:5B:DB:77:77:B5:F9: 27:4B:8F:44:AB:1E:23:67:52:04:74:00:1F:DA:C9:30: CE:22:0A:B1:C8:02:21:00:A6:14:39:EA:53:EE:C1:37: EB:CE:C1:1B:D0:8C:6A:A5:44:E1:D7:D6:D5:6D:F2:D9: E4:30:69:AA:1B:44:76:3D
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-27T21:09:35+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 EV TLS CA 2025
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2025-07-16T03:05:46+00:00
Expires
2027-07-16T00:00:00+00:00
Days remaining
291
Serial (hex)
83DA866C9F52D51A9318B8D0E7C03169
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

1B:29:28:02:1A:4B:89:CF:0F:57:2A:24:36:E9:14:E2:54:12:AD:58:ED:EE:22:1E:6C:7C:3C:54:37:17:9A:26
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
63:10:7F:E4:28:33:9A:F8:47:60:59:52:7E:57:10:C7:4D:F8:17:16
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r3.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: 2.23.140.1.1 Policy: 1.3.6.1.4.1.4146.10.1.1 Policy: 1.3.6.1.4.1.4146.1.1
-----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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