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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

fpt.vn · 210.245.86.245:443

Verified

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

Subject
C=VN L=Cau Giay O=FPT TELECOM JOINT STOCK COMPANY CN=*.fpt.vn
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-04-28T00:00:00+00:00
Expires
2026-11-12T23:59:59+00:00
Days remaining
48
Serial (hex)
0A54607FD0306C504CF483D0DC282A41
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.fpt.vn, DNS:fpt.vn

SHA-256 fingerprint

F0:25:2B:42:B7:C3:A4:9C:42:17:FB:81:55:2D:89:B9:31:5B:71:81:85:7A:5C:6F:30:B0:78:19:61:99:AA:90
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
7B:8D:82:8A:BE:E3:64:8F:31:9E:C9:49:EB:D5:EC:A9:08:55:16:54
subjectAltName
DNS:*.fpt.vn, DNS:fpt.vn
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server 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 : 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 : Apr 28 09:58:07.520 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:06:14:C6:14:5A:C2:AC:5A:17:FC:83:CE: 1F:4C:EA:5E:56:2B:39:BA:FC:E9:D8:20:22:8B:CF:C0: 1A:CC:77:4C:02:20:1F:87:23:52:38:60:0E:D4:6D:7D: C4:93:0F:2A:D8:1A:6A:A7:A3:13:4B:CA:CF:68:51:1A: 8C:C7:35:04:22:7B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Apr 28 09:58:07.597 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:5F:18:37:9E:02:C5:0B:8D:CC:60:B5:10: C8:AF:DF:22:90:22:38:4F:16:22:31:28:B6:02:7F:69: 04:0E:DB:AA:02:21:00:93:C0:DF:FC:41:6C:14:55:30: 25:B0:BC:47:7E:F3:FE:4C:C2:87:6E:52:BB:DB:9C:62: E2:FD:4B:09:DD:A6:79 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Apr 28 09:58:07.536 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:5C:8A:87:7D:DB:3F:09:B1:B8:4D:64:D8: 21:54:29:65:13:9D:F4:7A:79:B7:F3:7D:68:11:EC:92: 96:41:B0:D6:02:20:49:AE:6B:4C:BA:B2:7D:3E:D8:F3: 20:A0:D9:BF:28:F5:63:D5:35:37:45:FA:A0:FF:F4:94: CC:1F:A1:91:19:58
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: AES128-GCM-SHA256 · Checked 2026-09-25T05:58:34+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
1646
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
4130
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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