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

TLSv1.2

mail.trevinet.it · 92.245.188.34:443

Verified

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

Subject
CN=*.trevinet.it
Issuer
C=US O=SSL Corporation CN=SSL.com TLS Issuing RSA CA R1
Valid from
2026-07-20T05:59:35+00:00
Expires
2027-02-03T06:08:07+00:00
Days remaining
93
Serial (hex)
08A377DD57B362216A62E41F4FA646C2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.trevinet.it, DNS:trevinet.it

SHA-256 fingerprint

0D:D8:6E:70:3E:C5:8C:2C:FA:FE:41:86:5B:C5:4C:F4:4E:03:26:3C:1F:F0:73:2F:E7:10:CF:EC:B7:3B:6C:E8
Certificate extensions & PEM
basicConstraints
CA:FALSE
authorityKeyIdentifier
79:BA:94:77:A0:0D:19:DD:34:E6:39:A4:FC:4C:A5:D2:5A:6D:F5:8C
authorityInfoAccess
CA Issuers - URI:http://cert.ssl.com/SSL.com-TLS-I-RSA-R1.cer OCSP - URI:http://ocsps.ssl.com
subjectAltName
DNS:*.trevinet.it, DNS:trevinet.it
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.38064.1.3.1.1
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crls.ssl.com/SSL.com-TLS-I-RSA-R1.crl
subjectKeyIdentifier
AD:A3:C7:F8:12:05:08:81:D6:4C:33:F6:38:97:1B:59:35:44:0E:89
keyUsage
Digital Signature, Key Encipherment
ct_precert_scts
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 : Jul 20 06:09:36.455 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:27:87:C0:0C:ED:AD:FE:13:5E:90:17:09: E8:1A:32:B8:26:06:C2:7C:CF:D4:EA:56:3E:49:57:11: 68:DE:1F:7B:02:20:37:28:8E:16:25:33:8E:4B:09:52: A1:A6:9D:50:78:A2:95:0B:27:55:CD:F5:95:56:F4:A9: 87:BD:FF:58:34:A7 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Jul 20 06:09:36.476 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:1C:E5:E0:4F:53:75:3F:C8:9D:5E:31:D2: 69:E7:DB:03:A0:5C:1E:45:DF:2C:F2:82:6C:31:F9:4B: 9D:A3:F0:24:02:21:00:C2:E7:A3:F7:5A:2C:94:0A:F4: A2:08:79:09:99:66:28:63:F5:A2:B4:95:DF:AE:35:2E: 74:FB:F8:49:E5:A9:DC 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 : Jul 20 06:09:36.458 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F0:2E:83:CC:AE:AC:18:4B:8A:61:C0: C1:4C:FA:76:AE:CA:57:9D:40:DA:1A:A9:C9:09:FE:3F: D0:8D:34:24:0B:02:20:4A:1D:54:89:BC:63:51:C8:23: FF:88:FC:7E:72:08:5C:B8:5A:21:21:A3:D6:96:12:A4: A8:CD:C2:59:F8:02:2A
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-11-02T02:19:07+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=SSL Corporation CN=SSL.com TLS Issuing RSA CA R1
Issuer
C=US O=SSL Corporation CN=SSL.com TLS RSA Root CA 2022
Valid from
2022-10-21T17:02:03+00:00
Expires
2032-10-18T17:02:02+00:00
Days remaining
2177
Serial (hex)
26B9FFE4596FA61E1AF21C63D672748A
Signature
RSA-SHA256
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

BF:BC:39:E9:FA:2B:84:C9:A9:23:37:E2:34:4E:E2:38:1D:8D:3D:3A:E8:EA:75:EF:4E:48:E5:80:7E:D8:0C:69
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
authorityKeyIdentifier
FB:2E:37:EE:E3:84:7A:27:2E:CD:19:35:B1:33:7C:FF:D4:44:42:B9
authorityInfoAccess
CA Issuers - URI:http://cert.ssl.com/SSLcom-TLS-Root-2022-RSA.cer
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.ssl.com/repository
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crls.ssl.com/SSLcom-TLS-Root-2022-RSA.crl
subjectKeyIdentifier
79:BA:94:77:A0:0D:19:DD:34:E6:39:A4:FC:4C:A5:D2:5A:6D:F5:8C
keyUsage
Digital Signature, Certificate Sign, CRL Sign
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=SSL Corporation CN=SSL.com TLS RSA Root CA 2022
Issuer
C=US O=SSL Corporation CN=SSL.com TLS RSA Root CA 2022
Valid from
2022-08-25T16:34:22+00:00
Expires
2046-08-19T16:34:21+00:00
Days remaining
7230
Serial (hex)
6FBEDAAD73BD0840E28B4DBED4F75B91
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

8F:AF:7D:2E:2C:B4:70:9B:B8:E0:B3:36:66:BF:75:A5:DD:45:B5:DE:48:0F:8E:A8:D4:BF:E6:BE:BC:17:F2:ED
Certificate extensions & PEM
basicConstraints
CA:TRUE
authorityKeyIdentifier
FB:2E:37:EE:E3:84:7A:27:2E:CD:19:35:B1:33:7C:FF:D4:44:42:B9
subjectKeyIdentifier
FB:2E:37:EE:E3:84:7A:27:2E:CD:19:35:B1:33:7C:FF:D4:44:42:B9
keyUsage
Digital Signature, Certificate Sign, CRL Sign
-----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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