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

kdata.vn · 183.81.38.89:443

Verified

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

Subject
CN=*.kdata.vn
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2026-03-09T00:00:00+00:00
Expires
2027-04-09T23:59:59+00:00
Days remaining
176
Serial (hex)
E5586B5DC2FC1BC1A28E18270154823A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.kdata.vn, DNS:kdata.vn

SHA-256 fingerprint

42:9F:E8:4F:BC:69:37:E3:A0:04:DD:1D:D1:B6:4D:B8:7B:76:31:F7:89:E1:A3:AB:B9:F3:4D:AB:02:2C:E0:62
Certificate extensions & PEM
authorityKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
subjectKeyIdentifier
1D:53:1D:E9:4C:2F:B6:0C:8F:53:D8:9F:3A:27:E2:0A:02:E5:D6:EE
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCADVR36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:*.kdata.vn, DNS:kdata.vn
ct_precert_scts
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 : Mar 9 02:55:49.257 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:6E:34:45:BB:62:A1:11:75:E3:05:42:9E: 13:1F:A4:18:B2:40:98:4F:DA:74:41:3B:8A:C1:3B:B9: 9B:27:13:9A:02:21:00:DC:7F:FA:6A:E7:06:F7:B7:86: C5:D5:44:A3:6D:0D:BF:94:75:2C:BA:7E:1F:E8:7F:4F: 7D:89:15:4B:79:6A:5F Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Mar 9 02:55:49.774 2026 GMT Extensions: 00:00:05:00:03:0D:84:E9 Signature : ecdsa-with-SHA256 30:45:02:20:0C:ED:1E:D3:90:9C:10:C5:1B:E9:CA:9E: 5C:E3:67:07:5B:AA:FD:FE:2D:D1:38:32:7C:C7:A2:D0: 3A:CE:A9:3A:02:21:00:B7:00:28:55:00:5D:F9:50:60: D5:61:ED:E9:60:DA:DC:48:44:78:99:E3:A7:DB:50:68: 71:B2:67:BD:95:BF:51 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Mar 9 02:55:49.234 2026 GMT Extensions: 00:00:05:00:00:33:F5:95 Signature : ecdsa-with-SHA256 30:45:02:21:00:B0:AB:C6:90:31:92:92:52:AF:64:01: DA:CB:7F:F7:FD:70:34:3A:19:3F:6D:55:C6:BA:3F:B8: B3:5A:D6:50:49:02:20:7E:B5:44:16:F2:F1:64:9E:B7: 3A:AF:E4:F0:6D:3D:56:0F:1B:0C:49:9A:88:96:3E:62: 01:6F:C8:A2:8F:3B:EE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-15T22:03:37+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Valid from
2021-03-22T00:00:00+00:00
Expires
2036-03-21T23:59:59+00:00
Days remaining
3445
Serial (hex)
397A66CC2756362E0DAA87CA6EABE3B1
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

8C:54:C3:34:B6:6B:A4:E4:26:77:2A:F4:A3:F9:13:6C:19:A1:AE:C7:29:FD:B2:8C:53:5C:07:A5:A4:EF:22:E0
Certificate extensions & PEM
authorityKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
subjectKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/SectigoPublicServerAuthenticationRootR46.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationRootR46.p7c OCSP - URI:http://ocsp.sectigo.com
-----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

Registration / WHOIS →DNS records →