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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

TLSv1.2

antic.cm · 41.204.76.228:443

Verified

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

Subject
CN=*.antic.cm
Issuer
C=CM O=National Agency for Information and Communication Technologies CN=ANTIC DV CA
Valid from
2025-12-03T08:38:25+00:00
Expires
2026-12-03T08:38:24+00:00
Days remaining
69
Serial (hex)
16948302F01EF975C9FDA6C6253D0287
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.antic.cm, DNS:antic.cm

SHA-256 fingerprint

18:64:3B:ED:52:8F:73:29:01:76:80:68:44:EB:BF:08:2D:CB:CA:9C:29:60:7D:1F:AB:83:4C:63:8C:1A:05:8F
Certificate extensions & PEM
basicConstraints
CA:FALSE
crlDistributionPoints
Full Name: URI:http://anticdv.crl.certum.pl/anticdv.crl
authorityInfoAccess
OCSP - URI:http://anticdv.ocsp-certum.com CA Issuers - URI:http://repository.certum.pl/anticdv.cer
authorityKeyIdentifier
4D:4D:1A:5D:45:92:91:28:55:70:AD:DA:96:57:E6:1F:D6:48:D8:5A
subjectKeyIdentifier
4D:4F:E6:68:C9:2A:31:EE:4E:C6:DB:AF:98:B7:25:F1:35:20:49:71
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.2.616.1.113527.2.5.1.9.43.3 CPS: https://www.certum.pl/CPS
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
keyUsage
Digital Signature, Key Encipherment
subjectAltName
DNS:*.antic.cm, DNS:antic.cm
ct_precert_scts
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 : Dec 3 08:38:26.667 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:61:0A:F6:58:D0:E3:2F:12:B8:80:C8:4F: F9:BA:82:E5:DA:6C:65:8A:86:2F:26:27:3B:EF:1B:8C: 93:94:62:B9:02:21:00:93:4D:37:B0:39:7E:BB:F5:BD: 1C:34:00:97:79:69:C2:11:FA:84:FB:E1:68:95:65:1E: 52:CC:84:26:74:49:14 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Dec 3 08:38:26.677 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:0C:A2:EB:4E:18:52:25:06:A4:AB:43:1F: 89:D8:00:39:2E:6B:F5:2C:D8:A0:46:BC:9E:98:22:77: A2:2F:DC:C4:02:21:00:F8:87:36:5A:A8:D0:D4:5E:5C: D7:72:39:42:1F:DD:3E:D2:D5:84:C5:3D:51:53:ED:27: 02:2E:0E:9B:B1:B5:7D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Dec 3 08:38:26.705 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:16:76:D5:3A:19:54:2A:E1:11:9D:D1:EF: 0F:96:11:C2:1A:E0:77:33:35:13:96:61:A8:7D:B3:C2: 77:71:07:A4:02:20:23:A3:A1:FC:82:79:76:46:60:BD: C3:1D:CD:76:3A:DE:5D:9A:C2:C0:30:CC:37:E2:41:92: AD:D4:7F:53:49:3D
-----BEGIN CERTIFICATE-----
MIIGKzCCBROgAwIBAgIQFpSDAvAe+XXJ/abGJT0ChzANBgkqhkiG9w0BAQsFADBs
MQswCQYDVQQGEwJDTTFHMEUGA1UECgw+TmF0aW9uYWwgQWdlbmN5IGZvciBJbmZv
cm1hdGlvbiBhbmQgQ29tbXVuaWNhdGlvbiBUZWNobm9sb2dpZXMxFDASBgNVBAMM
C0FOVElDIERWIENBMB4XDTI1MTIwMzA4MzgyNVoXDTI2MTIwMzA4MzgyNFowFTET
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ggEBAKGS8RPhBqMjoPnzA1nxjR//IhQPI0MqZkgV5Ou/v1dfi77pbR/6d9tw/EqB
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AnXzTQQ6KjWA3I8eU3S8FdH8v3Th9rn5/X3yM9TjPuY6fQ+DqxXxqbS78X62qmhn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=
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-25T02:59:28+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=CM O=National Agency for Information and Communication Technologies CN=ANTIC DV CA
Issuer
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Global Services CA SHA2
Valid from
2022-07-28T08:16:58+00:00
Expires
2027-05-31T08:16:58+00:00
Days remaining
248
Serial (hex)
D32C4556DD4ACFE0284D1368DC83757F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

E5:3A:69:19:3E:22:FA:EC:C8:33:F8:06:31:BE:15:E0:20:A0:4C:20:BB:67:9F:D3:51:F0:CB:95:C0:08:9E:50
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
4D:4D:1A:5D:45:92:91:28:55:70:AD:DA:96:57:E6:1F:D6:48:D8:5A
authorityKeyIdentifier
54:99:DD:9B:FF:E8:A7:0E:A3:19:9D:5B:BE:42:57:DF:30:FC:8F:32
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://subca.crl.certum.pl/gscasha2.crl
authorityInfoAccess
OCSP - URI:http://subca.ocsp-certum.com CA Issuers - URI:http://repository.certum.pl/gscasha2.cer
certificatePolicies
Policy: X509v3 Any Policy CPS: https://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 Global Services 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
257
Serial (hex)
D04B6FE5DD5BD221E7C74CF6468B3146
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

9E:85:2C:59:DF:C6:FD:6A:BD:4E:17:EA:80:B5:F4:E5:6F:C0:41:92:D1:07:25:8D:54:DA:8A:92:52:86:70:D6
Certificate extensions & PEM
basicConstraints
CA:TRUE
subjectKeyIdentifier
54:99:DD:9B:FF:E8:A7:0E:A3:19:9D:5B:BE:42:57:DF:30:FC:8F:32
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-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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