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

hitc.vn · 104.21.78.126:443

Verified

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

Subject
CN=hitc.vn
Issuer
C=US O=Google Trust Services CN=WE1
Valid from
2026-09-16T08:59:20+00:00
Expires
2026-12-15T09:56:59+00:00
Days remaining
63
Serial (hex)
123CFF5B85FD4B9B0E370253BE02A8DD
Signature
ecdsa-with-SHA256
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:hitc.vn, DNS:*.hitc.vn

SHA-256 fingerprint

96:C8:2A:14:0A:17:32:5C:C3:0C:B5:28:34:0C:C8:49:D0:FB:CB:AF:34:BF:F5:6F:E2:F1:6D:12:F6:17:B2:90
Certificate extensions & PEM
keyUsage
Digital Signature
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
0C:03:48:75:B9:15:37:84:63:42:CE:1C:A8:84:E4:57:B9:57:0F:14
authorityKeyIdentifier
90:77:92:35:67:C4:FF:A8:CC:A9:E6:7B:D9:80:79:7B:CC:93:F9:38
authorityInfoAccess
CA Issuers - URI:http://i.pki.goog/we1.crt
subjectAltName
DNS:hitc.vn, DNS:*.hitc.vn
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://c.pki.goog/we1/m5bqIVg_5ew.crl
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 : Sep 16 09:59:20.555 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:55:62:C7:13:B1:B3:3D:DD:E8:A0:AC:CC: 7F:F7:DC:F3:9C:86:35:6E:A5:F6:1A:53:75:F4:4F:F8: 8F:A6:FF:88:02:21:00:F9:13:16:E3:A8:2D:06:53:50: 84:92:B2:EE:83:9F:98:2B:47:52:BC:EC:B4:3B:2B:A8: 3F:81:92:F5:4F:A7:9E 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 : Sep 16 09:59:20.568 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:23:24:D3:E8:C4:D4:69:C1:0C:E5:FA:E5: D4:B4:79:9B:5B:70:59:58:6F:08:B9:39:D3:63:F9:11: 49:B6:7D:6A:02:20:3C:74:A3:3D:BA:69:A3:52:AA:FB: 40:CB:9F:E1:43:FD:70:8B:5F:D9:0A:60:FF:7D:AD:29: CD:F2:F1:E3:6A:72
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-12T21:25:24+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Google Trust Services CN=WE1
Issuer
C=US O=Google Trust Services LLC CN=GTS Root R4
Valid from
2023-12-13T09:00:00+00:00
Expires
2029-02-20T14:00:00+00:00
Days remaining
861
Serial (hex)
7FF31977972C224A76155D13B6D685E3
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

1D:FC:16:05:FB:AD:35:8D:8B:C8:44:F7:6D:15:20:3F:AC:9C:A5:C1:A7:9F:D4:85:7F:FA:F2:86:4F:BE:BF:96
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
90:77:92:35:67:C4:FF:A8:CC:A9:E6:7B:D9:80:79:7B:CC:93:F9:38
authorityKeyIdentifier
80:4C:D6:EB:74:FF:49:36:A3:D5:D8:FC:B5:3E:C5:6A:F0:94:1D:8C
authorityInfoAccess
CA Issuers - URI:http://i.pki.goog/r4.crt
crlDistributionPoints
Full Name: URI:http://c.pki.goog/r/r4.crl
certificatePolicies
Policy: 2.23.140.1.2.1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=Google Trust Services LLC CN=GTS Root R4
Issuer
C=BE O=GlobalSign nv-sa OU=Root CA CN=GlobalSign Root CA
Valid from
2023-11-15T03:43:21+00:00
Expires
2028-01-28T00:00:42+00:00
Days remaining
472
Serial (hex)
7FE530BF331343BEDD821610493D8A1B
Signature
RSA-SHA256
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

76:B2:7B:80:A5:80:27:DC:3C:F1:DA:68:DA:C1:70:10:ED:93:99:7D:0B:60:3E:2F:AD:BE:85:01:24:93:B5:A7
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
80:4C:D6:EB:74:FF:49:36:A3:D5:D8:FC:B5:3E:C5:6A:F0:94:1D:8C
authorityKeyIdentifier
60:7B:66:1A:45:0D:97:CA:89:50:2F:7D:04:CD:34:A8:FF:FC:FD:4B
authorityInfoAccess
CA Issuers - URI:http://i.pki.goog/gsr1.crt
crlDistributionPoints
Full Name: URI:http://c.pki.goog/r/gsr1.crl
certificatePolicies
Policy: 2.23.140.1.2.1
-----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 →