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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

ns2.mydns01.com · 188.0.241.78:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate has expired.

Certificate verification failed

Subject
CN=*.0-1.ir
Issuer
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Domain Validation CA SHA2
Valid from
2022-08-01T08:36:08+00:00
Expires
2023-08-01T08:36:07+00:00
Days remaining
-1166
Serial (hex)
13371A6C9FBDE758C48FDAC729E66E6D
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.0-1.ir, DNS:0-1.ir

SHA-256 fingerprint

ED:29:B1:63:E1:35:4E:DA:D4:01:B1:87:62:5F:DF:39:E4:95:FB:1C:0E:87:06:3C:A3:7F:6C:9E:50:39:2A:B3
Certificate extensions & PEM
basicConstraints
CA:FALSE
crlDistributionPoints
Full Name: URI:http://crl.certum.pl/dvcasha2.crl
authorityInfoAccess
OCSP - URI:http://dvcasha2.ocsp-certum.com CA Issuers - URI:http://repository.certum.pl/dvcasha2.cer
authorityKeyIdentifier
E5:31:AD:BF:3A:11:96:F4:83:BC:50:3C:D4:B7:90:9B:90:EE:DE:25
subjectKeyIdentifier
4A:44:DB:3B:C6:CA:E3:A8:FE:34:35:2D:6F:0A:A0:F9:02:86:A7:5C
issuerAltName
email:dvcasha2@certum.pl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.2.616.1.113527.2.5.1.3 CPS: https://www.certum.pl/CPS
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
keyUsage
Digital Signature, Key Encipherment
subjectAltName
DNS:*.0-1.ir, DNS:0-1.ir
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AD:F7:BE:FA:7C:FF:10:C8:8B:9D:3D:9C:1E:3E:18:6A: B4:67:29:5D:CF:B1:0C:24:CA:85:86:34:EB:DC:82:8A Timestamp : Aug 1 08:36:09.087 2022 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:91:97:1C:FB:33:D6:AD:C3:84:90:0A: A9:A5:00:DE:D0:41:EA:59:50:05:B3:D3:62:30:FC:39: A3:F2:46:3F:ED:02:21:00:83:D0:67:48:C9:14:E0:B5: 83:FF:AA:A2:75:F8:65:D8:7B:1E:01:49:DD:2A:B4:D9: 90:14:16:80:F4:95:2B:13 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 55:81:D4:C2:16:90:36:01:4A:EA:0B:9B:57:3C:53:F0: C0:E4:38:78:70:25:08:17:2F:A3:AA:1D:07:13:D3:0C Timestamp : Aug 1 08:36:09.345 2022 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:7F:B3:0D:BE:61:DB:C1:C8:EC:22:42:F1: 6A:E0:73:69:9F:2A:73:BC:ED:E4:74:80:86:E5:63:FB: 2F:ED:25:E8:02:21:00:B9:F0:A1:72:6E:1A:94:BA:82: D4:DA:5C:B3:47:A2:F3:9B:D8:2C:1F:C7:57:D7:B7:D0: 57:B5:7F:BF:6F:F3:17 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 7A:32:8C:54:D8:B7:2D:B6:20:EA:38:E0:52:1E:E9:84: 16:70:32:13:85:4D:3B:D2:2B:C1:3A:57:A3:52:EB:52 Timestamp : Aug 1 08:36:09.336 2022 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:23:B9:42:A1:2C:C1:11:16:6D:BB:A2:98: CE:8F:9B:31:3A:16:ED:E8:E3:FE:37:58:84:43:44:4F: 66:31:58:DD:02:20:5B:07:D6:21:65:B3:7D:54:68:9B: 61:8E:4E:CB:7B:44:DC:B4:A9:3C:86:64:20:18:77:25: 17:F2:F1:45:6A:40
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-09T21:10:29+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Domain Validation CA SHA2
Issuer
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Trusted Network CA
Valid from
2014-09-11T12:00:00+00:00
Expires
2027-06-09T10:46:39+00:00
Days remaining
242
Serial (hex)
26DDD22B46C9C44D5A694D39807E72AD
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

12:9F:B5:DE:50:1E:24:04:1C:D1:4A:81:07:5F:D1:CD:E2:57:40:8D:4A:35:3E:63:69:12:E3:8B:DD:A2:D3:FB
Certificate extensions & PEM
basicConstraints
CA:TRUE
subjectKeyIdentifier
E5:31:AD:BF:3A:11:96:F4:83:BC:50:3C:D4:B7:90:9B:90:EE:DE:25
authorityKeyIdentifier
08:76:CD:CB:07:FF:24:F6:C5:CD:ED:BB:90:BC:E2:84:37:46:75:F7
keyUsage
Certificate Sign, CRL Sign
crlDistributionPoints
Full Name: URI:http://crl.certum.pl/ctnca.crl
authorityInfoAccess
OCSP - URI:http://subca.ocsp-certum.com CA Issuers - URI:http://repository.certum.pl/ctnca.cer
certificatePolicies
Policy: X509v3 Any Policy CPS: http://www.certum.pl/CPS
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Trusted Network CA
Issuer
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Trusted Network CA
Valid from
2008-10-22T12:07:37+00:00
Expires
2029-12-31T12:07:37+00:00
Days remaining
1178
Serial (hex)
0444C0
Signature
RSA-SHA1
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

5C:58:46:8D:55:F5:8E:49:7E:74:39:82:D2:B5:00:10:B6:D1:65:37:4A:CF:83:A7:D4:A3:2D:B7:68:C4:40:8E
Certificate extensions & PEM
basicConstraints
CA:TRUE
subjectKeyIdentifier
08:76:CD:CB:07:FF:24:F6:C5:CD:ED:BB:90:BC:E2:84:37:46:75:F7
keyUsage
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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