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

tgn.com · 104.21.25.219:443

Verified

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

Subject
CN=tgn.com
Issuer
C=US O=Google Trust Services CN=WE1
Valid from
2026-09-17T12:44:47+00:00
Expires
2026-12-16T13:42:25+00:00
Days remaining
85
Serial (hex)
8F4FDE30C2B5CE0F13266D953BDF56A9
Signature
ecdsa-with-SHA256
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:tgn.com, DNS:*.tgn.com

SHA-256 fingerprint

15:00:83:38:F3:7F:21:D7:DA:77:9D:8D:58:9A:8C:BC:BD:02:60:75:C4:1F:2A:A5:8E:3F:9C:43:CA:BA:23:C3
Certificate extensions & PEM
keyUsage
Digital Signature
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
0F:FF:35:65:21:DA:7A:95:5A:E9:8C:64:BC:F4:4E:5D:9C:45:FB:C6
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:tgn.com, DNS:*.tgn.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://c.pki.goog/we1/7tu7BF36dOE.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 17 13:44:48.124 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D3:50:A7:C6:59:27:0D:3D:91:17:96: 51:89:C2:11:BF:CF:DB:98:FB:BF:CB:4B:3D:90:F4:3A: 7A:D7:E6:21:3A:02:21:00:F7:C8:B1:43:81:80:04:96: 7E:DE:6A:A8:84:3B:08:CC:DB:18:09:15:AF:E2:03:CF: 3E:70:B8:FF:BD:13:5C:3B 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 17 13:44:48.040 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:0A:A7:61:23:51:2C:41:EE:C7:B3:8A:59: 57:73:E1:2C:86:69:FC:FE:E9:D6:7E:42:81:9D:53:14: 94:57:01:A7:02:21:00:98:0E:FB:AA:2F:0E:6B:5A:11: 49:5E:11:2F:83:E0:22:BD:BE:CB:33:48:6B:FC:68:02: 38:6F:C7:6A:14:8F:2A
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-22T08:22:04+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
882
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
492
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

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