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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

TLSv1.3

dn.net.tw · 103.129.169.123:443

Verified

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

Subject
CN=dn.net.tw
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Valid from
2026-01-26T00:00:00+00:00
Expires
2027-02-07T23:59:59+00:00
Days remaining
138
Serial (hex)
0303A72589B8610A3AAD4FFB69685C56
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:dn.net.tw, DNS:www.dn.net.tw

SHA-256 fingerprint

5F:29:75:7F:EF:C3:BA:30:9D:B0:46:0C:64:9F:60:65:5B:DB:E7:DA:B6:D1:9B:17:A5:0A:6D:E3:6D:49:CB:2B
Certificate extensions & PEM
authorityKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
subjectKeyIdentifier
31:F0:A2:86:78:7C:11:C8:96:97:45:68:2C:61:39:67:C1:77:19:BD
subjectAltName
DNS:dn.net.tw, DNS:www.dn.net.tw
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.rapidssl.com CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Jan 26 02:44:31.212 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:9F:AF:C3:36:F3:55:94:78:25:15:93: 0D:AF:10:C3:06:7A:6C:DB:CF:1E:8C:A5:81:3D:2A:39: 44:36:62:3C:B8:02:20:5B:4B:1E:70:97:CD:29:2C:87: 0C:54:AE:30:00:7C:E8:FA:5B:AE:FC:BA:C6:8E:02:5F: F9:E7:07:7B:C0:39:25 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 : Jan 26 02:44:31.269 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:2D:16:A1:94:CA:6A:2E:59:15:46:DC:FD: C7:47:81:E8:66:5D:14:99:AA:0E:38:7A:27:D7:4F:B9: 92:F8:9E:C5:02:20:5A:11:B8:EF:48:B2:C5:47:0B:62: 07:70:9A:1C:6D:03:36:B7:2F:3A:80:0B:83:C5:02:4A: 97:DC:0A:07:C7:6B 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 : Jan 26 02:44:31.186 2026 GMT Extensions: 00:00:05:00:01:E2:74:35 Signature : ecdsa-with-SHA256 30:45:02:21:00:F8:97:89:8B:86:71:31:40:78:4E:A1: 97:CA:8D:6C:9F:D4:24:67:CA:F5:7E:49:A0:DE:15:4C: 71:AB:D4:A8:20:02:20:3A:84:53:00:35:9C:CC:E0:8D: FC:E3:D4:F1:14:1F:94:76:72:E6:69:E9:2A:5F:F7:D7: 3E:9E:B8:7B:CE:05:C2
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-22T21:52:49+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:33+00:00
Expires
2027-11-02T12:24:33+00:00
Days remaining
405
Serial (hex)
0B259422CED9812A15A04E99528A0EFA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

44:22:E9:63:EE:53:CD:58:CC:9F:85:CD:40:BF:5F:FE:C0:09:5F:DF:1A:15:45:35:66:1C:1C:06:BC:AD:C6:9B
Certificate extensions & PEM
subjectKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
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
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.1.1 CPS: https://www.digicert.com/CPS Policy: 2.16.840.1.114412.1.2 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2
-----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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