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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

improvizus.lt · 79.98.28.13:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `improvizus.lt'

Certificate verification failed

Subject
CN=*.serveriai.lt
Issuer
C=NL O=PerfectSSL CN=PerfectSSL
Valid from
2026-10-05T00:00:00+00:00
Expires
2027-04-07T23:59:59+00:00
Days remaining
174
Serial (hex)
067A2F2EB8070FD2BDBB8AE242AFF802
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.serveriai.lt, DNS:serveriai.lt

SHA-256 fingerprint

AA:25:7C:9E:65:D9:21:B3:F6:E8:10:A6:F5:0E:AD:FC:16:56:B1:87:E6:20:43:05:30:DB:01:FB:34:5F:3F:36
Certificate extensions & PEM
authorityKeyIdentifier
B3:4B:39:3E:E3:C9:37:C3:73:78:72:D3:DB:FB:B0:80:20:34:52:59
subjectKeyIdentifier
A6:53:FD:1D:D3:C9:2C:93:73:09:FC:75:F3:B7:39:A0:4F:0A:2F:EC
subjectAltName
DNS:*.serveriai.lt, DNS:serveriai.lt
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/PerfectSSL.crl Full Name: URI:http://crl4.digicert.com/PerfectSSL.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/PerfectSSL.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 : Oct 5 11:52:06.536 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:40:C9:19:2B:EF:03:DD:2D:31:8B:2F:A3: 64:B9:57:3A:0E:51:D4:7B:EF:2D:57:08:D8:79:AA:84: 04:D8:CF:32:02:21:00:8C:43:10:FB:3E:A5:90:13:F0: 7E:C5:1A:C2:ED:71:1D:D8:07:94:5D:0A:33:2C:29:0C: 8F:E4:EB:66:F6:39:21 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 : Oct 5 11:52:06.548 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:06:11:4B:7F:20:6F:EF:21:B1:EE:B3:AC: 48:26:A5:EF:AB:80:BE:F0:73:9F:BC:B8:31:B7:7F:C6: 3F:58:AF:7F:02:21:00:98:FD:8A:49:42:95:A1:11:22: EA:45:FC:A9:DC:86:E2:FB:13:2C:69:2B:16:7E:24:F0: 06:C5:6F:06:A2:3D:A2 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 : Oct 5 11:52:06.647 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:61:BD:13:D4:79:51:2D:21:3E:E3:E5:DC: 65:50:D4:6F:41:18:08:24:12:A4:7D:72:69:21:B8:D0: 16:CB:DA:C8:02:21:00:84:79:57:E4:85:08:7D:0C:DB: B6:61:23:23:13:71:C2:8F:6B:E8:EB:25:99:CF:A0:48: DF:24:75:01:CF:BA:29
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-15T19:19:23+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=NL O=PerfectSSL CN=PerfectSSL
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2024-04-17T00:00:00+00:00
Expires
2034-04-16T23:59:59+00:00
Days remaining
2740
Serial (hex)
060476E3F4E165374FF20E11F594C698
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

6B:40:D3:DB:AA:D6:8B:E6:E8:04:E3:20:85:F7:83:7C:EE:08:B7:C4:FA:6A:99:0B:36:22:7A:6D:CF:F0:87:3B
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
B3:4B:39:3E:E3:C9:37:C3:73:78:72:D3:DB:FB:B0:80:20:34:52:59
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: X509v3 Any Policy
-----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
4109
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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