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

TLSv1.3

unidata.it · 194.79.207.129:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`*.unidata.it' did not match expected CN=`unidata.it'

Certificate verification failed

Subject
C=IT L=Roma O=Unidata S.p.A. CN=*.unidata.it
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-09-08T00:00:00+00:00
Expires
2027-03-20T23:59:59+00:00
Days remaining
174
Serial (hex)
0124BFDE279BE555F5BC6435A300D2A5
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.unidata.it

SHA-256 fingerprint

DC:65:F0:A4:A2:67:A3:30:CC:87:A6:62:A2:47:89:D8:8F:CA:1D:7D:2C:81:6B:28:47:41:56:15:34:E4:F7:16
Certificate extensions & PEM
authorityKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
17:70:A2:CC:F7:36:BE:39:1E:C1:ED:D4:DE:7F:1B:01:99:75:09:19
subjectAltName
DNS:*.unidata.it
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
basicConstraints
CA:FALSE
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 : Sep 8 14:24:52.569 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:5C:76:BF:3B:CF:2C:B6:7B:F0:40:70:20: 36:0D:07:C3:03:AB:8E:56:45:80:73:E9:E4:1F:52:C1: 2D:18:A1:00:02:21:00:9E:D6:89:0F:2E:08:43:BE:E1: 6A:81:82:86:BB:EE:51:22:DF:4B:70:3F:23:AF:68:26: B6:69:98:3B:8A:67:B1 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Sep 8 14:24:52.541 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:FB:7B:43:3F:99:7D:E1:CA:6B:7F:28: 15:EA:F5:66:5C:2C:A2:F1:FF:5E:73:B2:9F:58:FD:53: F4:28:6C:F7:C1:02:20:33:91:C0:99:89:3C:EF:B6:48: B4:B4:24:A2:0E:29:5E:00:18:62:6F:3D:D6:1A:9F:81: 02:02:7F:05:B8:31:A3 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 : Sep 8 14:24:52.593 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:0E:A0:DB:D4:3E:74:1B:C2:05:71:EE:8B: C7:78:1E:82:9A:C9:EF:9B:A9:B2:63:C2:63:39:27:30: CF:2D:14:6C:02:20:19:67:F9:CE:AB:78:FB:7A:91:B1: AC:29:D3:AE:77:89:D1:C7:7E:B6:67:65:1D:45:0A:15: 88:00:4B:FA:56:A1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-27T15:22:49+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2021-03-30T00:00:00+00:00
Expires
2031-03-29T23:59:59+00:00
Days remaining
1644
Serial (hex)
0CF5BD062B5602F47AB8502C23CCF066
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C8:02:5F:9F:C6:5F:DF:C9:5B:3C:A8:CC:78:67:B9:A5:87:B5:27:79:73:95:79:17:46:3F:C8:13:D0:B6:25:A9
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4127
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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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