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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

ms1.email.com.tw · 103.129.169.194:443

Verified

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

Subject
CN=ms1.email.com.tw
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Valid from
2026-02-23T00:00:00+00:00
Expires
2027-03-18T23:59:59+00:00
Days remaining
157
Serial (hex)
058A6591CFF8DCF70B0099DEFA439220
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:ms1.email.com.tw

SHA-256 fingerprint

82:DC:A5:19:2C:5F:4E:8C:C8:A8:31:D2:4D:04:BB:2A:BF:FA:61:D7:06:98:2B:70:21:B8:1D:05:89:BF:0F:18
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
A5:26:9F:04:9E:4B:67:74:1A:F0:6C:0F:9E:39:3A:88:7B:56:F5:F5
subjectAltName
DNS:ms1.email.com.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, TLS Web Client 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 : Feb 23 05:29:08.600 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A9:82:2B:96:D3:25:CA:40:18:08:ED: 92:B3:47:5B:7A:0B:7C:B7:33:0C:37:73:66:55:E5:FA: 39:94:B9:94:3D:02:20:55:3F:0C:AC:6C:A8:43:D4:C3: 1B:1C:3B:A6:1B:7A:18:B7:DA:4D:70:07:D4:1E:00:79: C8:3F:D4:76:2D:81:23 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Feb 23 05:29:08.588 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:4E:2E:04:03:DA:F1:D2:93:CB:C1:F4:2D: 48:9C:09:0A:82:88:D3:31:F0:53:54:2E:B7:8D:21:FD: D3:6E:7F:57:02:21:00:F0:3C:7C:0C:AF:02:22:FB:04: 1E:E0:12:33:E5:BB:C1:50:F1:C6:F6:43:EB:1B:26:62: E7:9C:E4:90:CC:32:06 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Feb 23 05:29:08.637 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:99:87:22:15:B1:06:C2:A8:FD:80:43: 2E:3F:71:9F:BB:50:6A:B3:46:E2:9A:90:F3:97:C8:AD: 6F:0B:EE:A4:A7:02:21:00:C0:A2:51:22:8C:51:F4:4A: 44:9B:D6:DF:8A:5C:D0:D9:93:98:E8:0C:E1:8F:82:F1: 64:6D:52:60:AF:FE:3B:00
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-12T01:34:01+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
386
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-----
MIIEszCCA5ugAwIBAgIQCyWUIs7ZgSoVoE6ZUooO+jANBgkqhkiG9w0BAQsFADBh
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBH
MjAeFw0xNzExMDIxMjI0MzNaFw0yNzExMDIxMjI0MzNaMGAxCzAJBgNVBAYTAlVT
MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5j
b20xHzAdBgNVBAMTFlJhcGlkU1NMIFRMUyBSU0EgQ0EgRzEwggEiMA0GCSqGSIb3
DQEBAQUAA4IBDwAwggEKAoIBAQC/uVklRBI1FuJdUEkFCuDL/I3aJQiaZ6aibRHj
ap/ap9zy1aYNrphe7YcaNwMoPsZvXDR+hNJOo9gbgOYVTPq8gXc84I75YKOHiVA4
NrJJQZ6p2sJQyqx60HkEIjzIN+1LQLfXTlpuznToOa1hyTD0yyitFyOYwURM+/CI
8FNFMpBhw22hpeAQkOOLmsqT5QZJYeik7qlvn8gfD+XdDnk3kkuuu0eG+vuyrSGr
5uX5LRhFWlv1zFQDch/EKmd163m6z/ycx/qLa9zyvILc7cQpb+k7TLra9WE17YPS
n9ANjG+ECo9PDW3N9lwhKQCNvw1gGoguyCQu7HE7BnW8eSSFAgMBAAGjggFmMIIB
YjAdBgNVHQ4EFgQUDNtsgkkPSmcKuBTuesRIUojrVjgwHwYDVR0jBBgwFoAUTiJU
IBiV5uNu5g/6+rkS7QYXjzkwDgYDVR0PAQH/BAQDAgGGMB0GA1UdJQQWMBQGCCsG
AQUFBwMBBggrBgEFBQcDAjASBgNVHRMBAf8ECDAGAQH/AgEAMDQGCCsGAQUFBwEB
BCgwJjAkBggrBgEFBQcwAYYYaHR0cDovL29jc3AuZGlnaWNlcnQuY29tMEIGA1Ud
HwQ7MDkwN6A1oDOGMWh0dHA6Ly9jcmwzLmRpZ2ljZXJ0LmNvbS9EaWdpQ2VydEds
b2JhbFJvb3RHMi5jcmwwYwYDVR0gBFwwWjA3BglghkgBhv1sAQEwKjAoBggrBgEF
BQcCARYcaHR0cHM6Ly93d3cuZGlnaWNlcnQuY29tL0NQUzALBglghkgBhv1sAQIw
CAYGZ4EMAQIBMAgGBmeBDAECAjANBgkqhkiG9w0BAQsFAAOCAQEAGUSlOb4K3Wtm
SlbmE50UYBHXM0SKXPqHMzk6XQUpCheF/4qU8aOhajsyRQFDV1ih/uPIg7YHRtFi
CTq4G+zb43X1T77nJgSOI9pq/TqCwtukZ7u9VLL3JAq3Wdy2moKLvvC8tVmRzkAe
0xQCkRKIjbBG80MSyDX/R4uYgj6ZiNT/Zg6GI6RofgqgpDdssLc0XIRQEotxIZcK
zP3pGJ9FCbMHmMLLyuBd+uCWvVcF2ogYAawufChS/PT61D9rqzPRS5I2uqa3tmIT
44JhJgWhBnFMb7AGQkvNq9KNS9dd3GWc17H/dXa1enoxzWjE0hBdFjxPhUb0W3wi
8o34/m8Fxw==
-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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