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

singtel.com · 45.60.33.24:443

Verified

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

Subject
CN=www.singtel.com
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Atlas R46 DV TLS CA 2026 Q3
Valid from
2026-08-26T15:32:28+00:00
Expires
2026-11-24T15:32:28+00:00
Days remaining
62
Serial (hex)
017494EFB55F97630FA5DAF24EA7B6D2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.singtel.com, DNS:singtel.com

SHA-256 fingerprint

63:1E:4A:6A:03:24:D3:65:40:3A:09:E7:63:CF:D4:D4:6A:55:E4:19:1F:D8:CF:37:D2:3B:81:65:D9:80:D9:C0
Certificate extensions & PEM
subjectAltName
DNS:www.singtel.com, DNS:singtel.com
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
31:DB:2B:C0:12:35:5C:DF:75:6D:54:36:DA:B6:58:D5:9B:14:A8:5B
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3 CPS: https://www.globalsign.com/repository/
basicConstraints
CA:FALSE
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/ca/gsatlasr46dvtlsca2026q3 CA Issuers - URI:http://secure.globalsign.com/cacert/gsatlasr46dvtlsca2026q3.crt
authorityKeyIdentifier
DC:52:7D:D4:10:17:BE:E5:FB:01:44:B0:FB:19:CA:C7:EE:D0:28:EB
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/ca/gsatlasr46dvtlsca2026q3.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Aug 26 15:32:30.539 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:44:58:66:EE:12:EC:C5:15:4B:37:10:A4: 72:E0:B1:EE:95:78:08:70:EB:D5:CC:E5:C6:62:C0:C0: E8:98:D0:09:02:20:7C:3B:D5:60:9E:B8:44:35:65:E4: 02:AC:85:59:6E:69:EC:40:B7:F8:5D:EF:E8:2C:0D:5E: FB:A3:DE:7F:BF:7C Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Aug 26 15:32:30.478 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B2:01:FC:E4:E1:5A:1C:EE:B2:2B:F3: 95:39:1B:59:27:91:B0:5B:37:F0:1D:78:F1:1C:12:80: C3:1A:07:3C:72:02:21:00:A5:6A:6A:F5:59:82:10:E3: 68:C0:BC:D9:57:C3:56:1F:AB:8B:6D:15:3D:0C:18:74: 72:B0:93:BE:E8:08:2A:64
-----BEGIN CERTIFICATE-----
MIIG7jCCBNagAwIBAgIQAXSU77Vfl2MPpdryTqe20jANBgkqhkiG9w0BAQsFADBZ
MQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTEvMC0GA1UE
AxMmR2xvYmFsU2lnbiBBdGxhcyBSNDYgRFYgVExTIENBIDIwMjYgUTMwHhcNMjYw
ODI2MTUzMjI4WhcNMjYxMTI0MTUzMjI4WjAaMRgwFgYDVQQDDA93d3cuc2luZ3Rl
bC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCK5W5Rp11eV9rB
Fbn+P2/s1SCSvnHN9XiXV+0aRq+iZzf2p4lgxH9pe9GbPeTCqY97fXK4Ojz+KcHS
wQJurkQ41W/Kf+S1JZrZ2qwYMkrNHHMZRF7W6sUTz/fjHj3Ez5zfo5JvXJtqmG8a
Vewk+XBIrlONY2KdgNhKCPSTHoXPItkxHi6OS5WYH5ofPjepFSdoceaickQWeHyC
KAxQy0qHAo8MOALEBrDkvFLzoC6aGV3DnFuvuLCQdecJQgXuezuBCJepG74rAUXE
P5Cex8EocZ4I27tLq4g9oopaC8cy77GFC/enyE1I8Ytm1Qr+oMNylbdTXhtT1GYz
c8Tk/VG7AgMBAAGjggLvMIIC6zAnBgNVHREEIDAegg93d3cuc2luZ3RlbC5jb22C
C3Npbmd0ZWwuY29tMA4GA1UdDwEB/wQEAwIFoDATBgNVHSUEDDAKBggrBgEFBQcD
ATAdBgNVHQ4EFgQUMdsrwBI1XN91bVQ22rZY1ZsUqFswVwYDVR0gBFAwTjAIBgZn
gQwBAgEwQgYKKwYBBAGgMgoBAzA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5n
bG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5LzAMBgNVHRMBAf8EAjAAMIGgBggrBgEF
BQcBAQSBkzCBkDBBBggrBgEFBQcwAYY1aHR0cDovL29jc3AuZ2xvYmFsc2lnbi5j
b20vY2EvZ3NhdGxhc3I0NmR2dGxzY2EyMDI2cTMwSwYIKwYBBQUHMAKGP2h0dHA6
Ly9zZWN1cmUuZ2xvYmFsc2lnbi5jb20vY2FjZXJ0L2dzYXRsYXNyNDZkdnRsc2Nh
MjAyNnEzLmNydDAfBgNVHSMEGDAWgBTcUn3UEBe+5fsBRLD7GcrH7tAo6zBJBgNV
HR8EQjBAMD6gPKA6hjhodHRwOi8vY3JsLmdsb2JhbHNpZ24uY29tL2NhL2dzYXRs
YXNyNDZkdnRsc2NhMjAyNnEzLmNybDCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB1
AMIxfldFGaNF7n843rKQQevHwiFaIr9/1bWtdprZDlLNAAABoD6zkMsAAAQDAEYw
RAIgRFhm7hLsxRVLNxCkcuCx7pV4CHDr1czlxmLAwOiY0AkCIHw71WCeuEQ1ZeQC
rIVZbmnsQLf4Xe/oLA1e+6Pef798AHcAr2eIO1ewTt2Pptl+9i6o64EKx3Fg8CRe
VdYML+eFhzoAAAGgPrOQjgAABAMASDBGAiEAsgH85OFaHO6yK/OVORtZJ5GwWzfw
HXjxHBKAwxoHPHICIQClamr1WYIQ42jAvNlXw1Yfq4ttFT0MGHRysJO+6AgqZDAN
BgkqhkiG9w0BAQsFAAOCAgEAcn/MXnKK7Zd7BJ4pgm8W5F0PInn147sP0lyQE0HG
72FpwB+th/DFlmgxaMYbVByTY1e+Po5XVS05m1rsVr23VoGwaPad2MorTD5EBqO1
/HjXGkamZZ56chjR6T0HMns9S8QqN29LvXW8fz6n1HT9CyDZY71f3zfw9vVfxc/x
Waf/sukrnbZEdFg1bpDp5KwbO+ZyLTMRs+LFaW2i9p/snnupWpsIr1IfrE3rzlNK
MNSt2EsXEogOkC1D9pxCi3PvJV6RMkH+ea7OA/25fIQJ26/TK41g7H+hdNFOqWk2
qTKdk5PDvYY417556lXbDqQV82hLFDwGDQ8i80lM73CHXWeDOqbEvuyqsSUTw26O
82kEjah4toeuga+qrJit7LebVZVKk8IG4EBlJDhNlTm2J87uz/gUSPqk7U8flF12
EwGkd7/FF1Mow98M0vEMOS1QAdQW3SrPOi/5Z5FnyCkGRekj+wSvyYGsqyur1jAz
RR4QPWB6obbEB573xMnfIu9z+LE1L5XcyDvDYOXGO6jJUpmVXsj2GTGTZ3FmQbpa
I3V6uPHJKiJUFTt8f7VIOqBd/35/njDqbbP745bWuuewCVrLQNBlhxrQ6Kb/LCWc
LSbfeKgPTV8+5hV/s6NMimOWs3dC/QgokT+3Ep7gjOGFKN73ygwIdVY/Qhj83S15
zD0=
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-22T21:56:07+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign Atlas R46 DV TLS CA 2026 Q3
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2026-04-22T03:00:05+00:00
Expires
2028-04-22T00:00:00+00:00
Days remaining
577
Serial (hex)
85AC708351E68DF704248BFDF17E4272
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

99:AE:C9:2E:EA:8F:B5:36:F7:4D:FB:FB:82:44:E4:C8:F5:AC:3B:65:8F:7A:98:86:19:79:7A:4D:04:AC:10:36
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
DC:52:7D:D4:10:17:BE:E5:FB:01:44:B0:FB:19:CA:C7:EE:D0:28:EB
authorityKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr46 CA Issuers - URI:http://secure.globalsign.com/cacert/rootr46.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/rootr46.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3
-----BEGIN CERTIFICATE-----
MIIGgTCCBGmgAwIBAgIRAIWscINR5o33BCSL/fF+QnIwDQYJKoZIhvcNAQEMBQAw
RjELMAkGA1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExHDAaBgNV
BAMTE0dsb2JhbFNpZ24gUm9vdCBSNDYwHhcNMjYwNDIyMDMwMDA1WhcNMjgwNDIy
MDAwMDAwWjBZMQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1z
YTEvMC0GA1UEAxMmR2xvYmFsU2lnbiBBdGxhcyBSNDYgRFYgVExTIENBIDIwMjYg
UTMwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCY6mwX0ywa0fqWKs14
OsVUvkp4ihP0WMxH4/mSVOEgjpNZP4MHvswpqr8OXi6KG2tr90nIsOpeQ/VeFwZL
NZ9nX1Bgnf9H+AaPsIciosRkv87m+QCjQXp3onTOY9UKgX3Ch7N4TQu8NGSE6ndo
B48cSU8Qf7wIkXo8T0QmfH2wYQEi195N2yzy7bOa5cqn0+ZNZv3xuP2jxssdENOj
seLB7AvK42g5LUtUhFu8u3/943WmnuptLg7/+8eSsU5ArHap/PCw0GC/7AvxL1yn
67m6LArRhJHrfSetinG/vbRjsXSFX97zq2haL601FSEklgIgitzFVfgMFQIg2VI0
c5iF4xzgWIGEObrux5NAz1TTXkYbcIXXbkdOGuLD9evwdZ9R0/MmGg4Zi4nrMAqi
wyWW9b3jUqoAg2cCXDH1jr9/3Rbhljp5gZ9uArvrHmSv/VlOgSCHdPrZXIw6IkaR
g787Ez19nVzIBqSC0lWi+8xnBVFiBIyHGsig7KdY+DVJYqC8U1wMRnt/GWCPAjSd
YoY3qZ3Y001xWWHGCWrifM1UD4meeu2ke/q+vjHZVGvvkyOdizlwUjUTUcl1Jmjc
feEtw6k6vAyKt8pC0pbRY82nMEHXs/I03PFmszNEJt+q1xnVVK6WGHyPf+eeO6jO
xwzLvmv/d5j7bGpnlkHmGNUShwIDAQABo4IBVTCCAVEwDgYDVR0PAQH/BAQDAgGG
MBMGA1UdJQQMMAoGCCsGAQUFBwMBMBIGA1UdEwEB/wQIMAYBAf8CAQAwHQYDVR0O
BBYEFNxSfdQQF77l+wFEsPsZysfu0CjrMB8GA1UdIwQYMBaAFANcq3OBh6jMsKbV
lOI2lkn/BZksMHsGCCsGAQUFBwEBBG8wbTAuBggrBgEFBQcwAYYiaHR0cDovL29j
c3AuZ2xvYmFsc2lnbi5jb20vcm9vdHI0NjA7BggrBgEFBQcwAoYvaHR0cDovL3Nl
Y3VyZS5nbG9iYWxzaWduLmNvbS9jYWNlcnQvcm9vdHI0Ni5jcnQwNgYDVR0fBC8w
LTAroCmgJ4YlaHR0cDovL2NybC5nbG9iYWxzaWduLmNvbS9yb290cjQ2LmNybDAh
BgNVHSAEGjAYMAgGBmeBDAECATAMBgorBgEEAaAyCgEDMA0GCSqGSIb3DQEBDAUA
A4ICAQBYuEMqjS47yqkA3jH1Tp4wE1qQsAf5AtdDQgL4y0SOfy26mYqN2gJdTpFM
0Jig/rWvvUU1Br16/D1MYD8lT2MLhHLq5QhoFoeDOU5y3s1ShHOvXmS4i35DLXth
+gKl4tCgc96Q9hnF7gWYF1C43TRTGs9/ByFbzxbyKQt5zrS/Q7Y4TYi+sidexqIR
5xEleqYx5RtvKPXSQOhlfa2FmrntklchsmiKkcY9I0h5kf2xTno8nBp0Fp3BDI5+
ym7lyNbK71AlHZKiBi3q3UEJWRSjOAnm2McpUoEd0lH2xiSqIHOLZEdfKqaueZlW
w5ksWMiq9cGfPy6K7yGI87PfjcDsUEk+RFvdgfLA5oAUPzSTA1jrzUEESbxy3fzM
UHtL22zXqY031Gno8eDwmaQ9zlXN5mPiu8esvVvirMzPi0pOhFGZ6ypmEtfelwKm
NReBhcjLsA+fu2yxJbuqvG+nFw/jhBCvhVJ+VwDPppBQ62xqMpjC7klvKmkdB/Sl
jMeZoHtUWq9y7MKkez1MkQn6vp5aC6RxdtIDhX0uc4Yu34jV/yu9dcnu62gAyl5N
aZz6tM2kaMIlRKtirAmKoHFHok+4OfV+nYgxXEBch53I4GXqFBl1Y5laMhjiaZjy
+xYBUGAtfd/HdwYByoVYfZFBFhZcmWWSNbXvHEn6WW6UJ8NDSg==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2019-11-20T00:00:00+00:00
Expires
2029-03-18T00:00:00+00:00
Days remaining
907
Serial (hex)
75A8BAD878F8AF305F72DD1C1140DF3A
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A6:3C:13:98:B5:F8:DD:2D:43:2F:BE:4C:2C:19:14:2B:EA:6D:5D:02:21:FA:E7:94:71:8A:E7:59:7A:CC:A9:6D
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----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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