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

sgix.sg · 192.124.249.114:443

Verified

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

Subject
CN=sgix.sg
Issuer
C=US O=Starfield Technologies CN=Starfield TLS Intermediate CA DV - R1v1
Valid from
2026-10-15T18:01:54+00:00
Expires
2027-01-13T18:01:54+00:00
Days remaining
62
Serial (hex)
F31183E0434D7415
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:sgix.sg, DNS:www.sgix.sg

SHA-256 fingerprint

F5:9E:C7:C7:59:DE:2E:CD:B3:4D:88:D3:99:8A:B7:3A:00:83:D2:DF:4C:84:E9:1F:89:5B:EA:B8:CA:AC:1E:25
Certificate extensions & PEM
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
keyUsage
Digital Signature, Key Encipherment
crlDistributionPoints
Full Name: URI:http://crl.starfieldtech.com/sfr1v1dv_s1-1.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 2.16.840.1.114414.1.7.23.1 CPS: http://certificates.starfieldtech.com/repository/
authorityInfoAccess
CA Issuers - URI:http://certificates.starfieldtech.com/repository/sf_tls_issuing_dv-r1v1.crt OCSP - URI:http://ocsp.starfieldtech.com/
authorityKeyIdentifier
99:B4:6D:DD:8D:0C:6D:FA:2D:A0:9F:22:21:E8:73:C2:18:BC:85:D9
subjectAltName
DNS:sgix.sg, DNS:www.sgix.sg
subjectKeyIdentifier
A4:D8:97:AF:65:39:91:4C:E3:FD:7D:C2:2B:CC:4F:2B:25:B5:14:DE
ct_precert_scts
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 : Oct 15 18:01:56.449 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:67:51:17:F8:F5:5E:2D:1B:EA:DF:90:74: E1:F7:1F:94:E3:DB:CE:31:87:7E:50:9D:41:EE:FC:31: FC:85:C6:68:02:21:00:B2:8B:67:90:3B:A0:C8:42:13: 5B:E4:0E:3E:F2:E8:48:1D:BA:5E:F9:CD:87:B6:CF:D8: B4:33:B1:ED:53:10:A6 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Oct 15 18:01:57.098 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:55:D4:F6:B2:3F:8B:35:72:38:70:2A:F8: 5C:4E:23:9F:D8:76:86:03:46:51:CF:6E:20:C8:DA:1E: BC:70:F8:B6:02:20:23:BA:95:00:32:0C:55:E2:8E:51: 0F:F4:E0:B3:1B:F6:14:02:AB:95:FC:BC:04:49:E6:62: DA:F2:2A:05:36:4B 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 : Oct 15 18:01:57.414 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:64:2C:3A:E5:3A:E5:21:1E:72:3D:B2:86: E9:3A:44:15:FF:C9:0F:CB:4C:A8:6A:25:4D:DD:96:39: 72:E3:DA:CC:02:20:75:8A:26:1A:7B:06:55:D6:6E:3A: 5F:F5:41:3B:1A:B2:2B:26:0F:AB:46:34:33:50:C4:8F: 5D:31:04:2E:BE:61
-----BEGIN CERTIFICATE-----
MIIHTTCCBTWgAwIBAgIJAPMRg+BDTXQVMA0GCSqGSIb3DQEBCwUAMGAxCzAJBgNV
BAYTAlVTMR8wHQYDVQQKExZTdGFyZmllbGQgVGVjaG5vbG9naWVzMTAwLgYDVQQD
EydTdGFyZmllbGQgVExTIEludGVybWVkaWF0ZSBDQSBEViAtIFIxdjEwHhcNMjYx
MDE1MTgwMTU0WhcNMjcwMTEzMTgwMTU0WjASMRAwDgYDVQQDEwdzZ2l4LnNnMIIB
IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwrvvgL8l4QUkIdJRVaV8qrf9
BYO8RYk30NmnlCDMM/Ksh+sDHqgkmGuKbfDTVVCQqTrC1RI/PI5afgt48FQANX8K
JX/rPP0yn0XIFiCKcS7GZkdX+atau2+9wQxIT9onZzpUo3BFg1z7Q8Xh5ggRkTyq
L7PUIPeXKBHQDriJVlZ4TNWxo9Za5SHG+e7dkGYlUTFEk1vBr83xgVxe97fAkHQy
fv2UD+2cPSlWjP2+RjDT7aezNH0NrKNfLILrPUkaq68FEjjga5W5AnUxAjwqzvOp
Xdcp3X+gPOMNFJj18cJIVm8Y+JOTQpHVqIpnqolyFI6onckV2vCx7pfLCJI5nwID
AQABo4IDVjCCA1IwDAYDVR0TAQH/BAIwADATBgNVHSUEDDAKBggrBgEFBQcDATAO
BgNVHQ8BAf8EBAMCBaAwPwYDVR0fBDgwNjA0oDKgMIYuaHR0cDovL2NybC5zdGFy
ZmllbGR0ZWNoLmNvbS9zZnIxdjFkdl9zMS0xLmNybDBjBgNVHSAEXDBaMAgGBmeB
DAECATBOBgtghkgBhv1uAQcXATA/MD0GCCsGAQUFBwIBFjFodHRwOi8vY2VydGlm
aWNhdGVzLnN0YXJmaWVsZHRlY2guY29tL3JlcG9zaXRvcnkvMIGVBggrBgEFBQcB
AQSBiDCBhTBXBggrBgEFBQcwAoZLaHR0cDovL2NlcnRpZmljYXRlcy5zdGFyZmll
bGR0ZWNoLmNvbS9yZXBvc2l0b3J5L3NmX3Rsc19pc3N1aW5nX2R2LXIxdjEuY3J0
MCoGCCsGAQUFBzABhh5odHRwOi8vb2NzcC5zdGFyZmllbGR0ZWNoLmNvbS8wHwYD
VR0jBBgwFoAUmbRt3Y0MbfotoJ8iIehzwhi8hdkwHwYDVR0RBBgwFoIHc2dpeC5z
Z4ILd3d3LnNnaXguc2cwHQYDVR0OBBYEFKTYl69lOZFM4/19wivMTysltRTeMIIB
fAYKKwYBBAHWeQIEAgSCAWwEggFoAWYAdgDW1Y2p0BdT82pKoMdXSQKv68fcLNOM
2fdkyAyJGR6fAgAAAaFAulfhAAAEAwBHMEUCIGdRF/j1Xi0b6t+QdOH3H5Tj284x
h35QnUHu/DH8hcZoAiEAsotnkDugyEITW+QOPvLoSB26XvnNh7bP2LQzse1TEKYA
dQBgTJqven93XwHUBvySDciZ6wscffjJUhv6+hd3O5eLyQAAAaFAulpqAAAEAwBG
MEQCIFXU9rI/izVyOHAq+FxOI5/YdoYDRlHPbiDI2h68cPi2AiAjupUAMgxV4o5R
D/Tgsxv2FAKrlfy8BEnmYtryKgU2SwB1AExj3JjlnB2riPYeij3ero+rRKM3e1+b
lMP7oZz8wb4mAAABoUC6W6YAAAQDAEYwRAIgZCw65TrlIR5yPbKG6TpEFf/JD8tM
qGolTd2WOXLj2swCIHWKJhp7BlXWbjpf9UE7GrIrJg+rRjQzUMSPXTEELr5hMA0G
CSqGSIb3DQEBCwUAA4ICAQCa2tfrwZhhVFxngSsGsdsnuwpwtqrB2il/1Wfw4uAc
qgmM2oLJPHxIKX4anpHlMQLsqMQRCpoEWjJPH0kOsTTiIY18jykO3RxBAagrGOGL
i39hWWtipq6r8XCho9eRtIIztS8Qt+MEXf0J0o0JAum4c6Ps8SQZaf0fjhvcL8DA
JgRobQvYkioMWuhX6H0549A23z3lhi9IA8MoMFNdrwkd/CHXDHysMZyKCS32Lyaz
VUKRIkOR+clJm1aO/EqFava6NMUnXcBDw3hmdqHepdPa+5L8Wht2AmToCutxUC93
fJXe0lRw8sVdDxZ6v6Yfo2q9apsTp0y9FFl0nrZYf422lDSAzjplkWgjGpbudgVF
HgMrJDPsyZ3/w8x1RAOY4mwXIoryE9VqOZWAkhy8JgnidKjglTosL2Y3NUecPH76
cn0apUUMSUMbGuGkDWXF9AuVFZDeQNgae/DCMl4JSXMmplDsp6KYO/9aoMUnczy9
PYoA2Gg7l7FkgphzJLNy4RCqjzkfLc+PT5mAzxYxNN4dH4N0arhebh8++f7PA4AK
obVLMx/o9CWuyGLkkeD2/rtv3+EOxZwvTgySXcemaHuyrldYmW3pf9LpI4ePo1ow
6D/mAEuAnPcPAsydnJe90ctAxTlr/rFJ5yFAsSo+jyNbZoUljsXkKAo3dES/7eAC
dA==
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-12T05:48:11+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Starfield Technologies CN=Starfield TLS Intermediate CA DV - R1v1
Issuer
C=US O=Starfield Technologies CN=Starfield TLS Root CA - R1
Valid from
2025-08-27T12:00:00+00:00
Expires
2040-08-23T11:59:59+00:00
Days remaining
5033
Serial (hex)
C5E225A10DF67804EC5305DCF38E5234
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

06:89:1C:34:A2:E4:68:7C:63:0B:29:85:0C:C9:F6:D4:5D:ED:39:49:1C:F8:77:C7:24:6B:6E:C6:33:58:7A:2C
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
99:B4:6D:DD:8D:0C:6D:FA:2D:A0:9F:22:21:E8:73:C2:18:BC:85:D9
authorityKeyIdentifier
65:79:A6:5B:CD:9B:07:16:A5:40:86:B7:49:8E:22:47:C6:0B:DE:4B
authorityInfoAccess
CA Issuers - URI:http://certificates.starfieldtech.com/repository/sf_tls_root-r1.crt
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.starfieldtech.com/sf_tls_root-r1.crl 
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=Starfield Technologies CN=Starfield TLS Root CA - R1
Issuer
C=US ST=Arizona L=Scottsdale O=Starfield Technologies, Inc. CN=Starfield Root Certificate Authority - G2
Valid from
2025-09-24T12:00:00+00:00
Expires
2037-12-31T23:59:59+00:00
Days remaining
4067
Serial (hex)
466702AA31941FA2C196EFE6D09BAF6C
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

26:A9:3D:60:03:90:77:65:4C:0D:DA:1F:B6:34:AF:5F:F5:C1:14:C7:AC:1F:D0:44:9B:1C:9D:21:78:B0:28:FF
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
65:79:A6:5B:CD:9B:07:16:A5:40:86:B7:49:8E:22:47:C6:0B:DE:4B
authorityKeyIdentifier
7C:0C:32:1F:A7:D9:30:7F:C4:7D:68:A3:62:A8:A1:CE:AB:07:5B:27
authorityInfoAccess
CA Issuers - URI:http://certificates.starfieldtech.com/repository/sfroot-g2.crt
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.1
crlDistributionPoints
Full Name: URI:http://crl.starfieldtech.com/sfroot-g2.crl 
-----BEGIN CERTIFICATE-----
MIIFqjCCBJKgAwIBAgIQRmcCqjGUH6LBlu/m0JuvbDANBgkqhkiG9w0BAQsFADCB
jzELMAkGA1UEBhMCVVMxEDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0
c2RhbGUxJTAjBgNVBAoTHFN0YXJmaWVsZCBUZWNobm9sb2dpZXMsIEluYy4xMjAw
BgNVBAMTKVN0YXJmaWVsZCBSb290IENlcnRpZmljYXRlIEF1dGhvcml0eSAtIEcy
MB4XDTI1MDkyNDEyMDAwMFoXDTM3MTIzMTIzNTk1OVowUzELMAkGA1UEBhMCVVMx
HzAdBgNVBAoTFlN0YXJmaWVsZCBUZWNobm9sb2dpZXMxIzAhBgNVBAMTGlN0YXJm
aWVsZCBUTFMgUm9vdCBDQSAtIFIxMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIIC
CgKCAgEAvNSD5nT/Q7nsKjT/WYTPv9vp1eACaDM7U4cR+DCt3Yz6QOwbKDTwZ+io
/BNbbGGqtngcDUCnBV4lPAAwR886ypU3WANZIVp14WteQ+2rNMghRx/4+LkzxOMq
x7uvTkA87NU5vqOzpWtpNiXvt+DSGrFAJDyah2ia9fbS2ActrWWsBsThFt3cTHNi
xySEl8frlFP3qvWz0BaxOuNRbdSR/EQLA+FNkNt3zge5IESie/oIWGgHepNGb6Oa
G3xhmJSg0JHrreLsFwyIuLkYYzQBACiDNWZsfCjcJzbjOobq+qT/HUhnspbZMsHg
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II+2LaSzPjUGN28f/HfSBpec/4sfkd6Ubw1SbP9Zq8pBlnJKznU9Muh8RXuRQJoE
tLJW0tGvHsnry4g9M3VjZ2YWJb2FHEFeIqaqg/uUZH6BmkheWkekRx48CXc/aaav
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v7wgw0W/UF+s6rBwt8+XAdUUMYoZUFwJvu3N/Xj8pxIWMDalWTgD/30DPuMGIT7T
CXYl6bVUkgCG9D0C+e7TY8AkHgWI8UGsH/iFWyQWQUJN9C6g3ysCAwEAAaOCATsw
ggE3MA4GA1UdDwEB/wQEAwIBhjATBgNVHSUEDDAKBggrBgEFBQcDATAPBgNVHRMB
Af8EBTADAQH/MB0GA1UdDgQWBBRleaZbzZsHFqVAhrdJjiJHxgveSzAfBgNVHSME
GDAWgBR8DDIfp9kwf8R9aKNiqKHOqwdbJzBaBggrBgEFBQcBAQROMEwwSgYIKwYB
BQUHMAKGPmh0dHA6Ly9jZXJ0aWZpY2F0ZXMuc3RhcmZpZWxkdGVjaC5jb20vcmVw
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DAECAjAHBgVngQwBATA7BgNVHR8ENDAyMDCgLqAshipodHRwOi8vY3JsLnN0YXJm
aWVsZHRlY2guY29tL3Nmcm9vdC1nMi5jcmwwDQYJKoZIhvcNAQELBQADggEBALhF
42TCewfSOa+2nSV2OzCt7A+n9KJ/6Y8F5PXW++VpYZVWy6kZMrJlDus7K3oACiKE
R+Id7BldmcKxWSw6UeKOQ74DhDTJf+KTDubHDhoCHnK1d2XWJ2W+rOacLfVnvHAv
HBsLeOP6xRT4E+5zdtpnjdW/JSEeLEGETUmEkOvoJIWQptQ2AxIuEIP3FsRneiLZ
SDOyjvtLMOe3a2q8xmiOxTlqi9QmwTV/9IfoDoqsg1C5YL4eiD0xRc1m6NvecSEW
jHIMyCiFWlzO3faUOm067YthhZwzjYLghIra11NvVpsWEgpiGPBhd2UN7nGn1M0j
dZT7YeQWOBjip238/4o=
-----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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