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

oakwood.com · 57.155.52.94:443

Verified

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

Subject
C=SG L=Singapore O=CapitaLand Business Services Pte Ltd CN=*.oakwood.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2026-05-13T00:00:00+00:00
Expires
2026-11-27T23:59:59+00:00
Days remaining
64
Serial (hex)
0B9F815FA20DD5C15E2CBE88FE177C02
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.oakwood.com, DNS:oakwood.com

SHA-256 fingerprint

B0:B8:0C:76:52:71:25:58:D6:67:90:FD:02:D7:7F:96:8E:AD:59:2E:10:CC:C6:53:07:17:54:0C:D3:D7:E0:D8
Certificate extensions & PEM
authorityKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
subjectKeyIdentifier
D0:FD:8F:CC:94:84:5E:D7:08:95:D6:8F:F2:8D:EA:1A:47:54:C7:95
subjectAltName
DNS:*.oakwood.com, DNS:oakwood.com
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.geotrust.com/GeoTrustTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.geotrust.com CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.crt
basicConstraints
CA:FALSE
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 : May 13 09:10:49.397 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:10:C7:06:A8:24:0C:24:0A:B2:77:07:46: DD:C4:0B:10:A7:E9:2F:5F:48:C9:A5:25:84:DD:32:46: EC:F6:51:64:02:20:6E:E6:D8:BA:84:B6:C9:38:27:61: 47:1B:03:21:BB:C8:35:29:F7:AD:4E:C7:0B:C0:5A:4A: 58:10:27:23:10:67 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : May 13 09:10:49.435 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DB:33:C6:2A:40:70:BC:E9:EB:2A:4E: C4:9A:35:FD:9C:FA:01:01:C6:42:E8:15:52:8F:E1:CD: 40:E8:5E:B0:12:02:20:38:9F:DE:FF:5E:3F:D6:1F:25: E0:26:C5:8F:94:87:06:24:72:11:50:1B:A8:08:C2:CA: 3B:9A:D8:AB:BB:41:13 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 : May 13 09:10:49.410 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E7:69:40:E1:8D:8F:EF:3B:67:DE:54: 79:67:94:9A:3A:41:CD:D1:50:91:70:35:0A:48:B2:CF: 31:52:75:5A:CE:02:20:0B:B8:D4:37:19:61:B4:EF:FD: CB:08:E1:E2:EC:4C:E1:59:01:E6:51:17:D7:94:07:97: 35:D5:78:43:8A:EB:F3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-24T21:38:31+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:23:37+00:00
Expires
2027-11-02T12:23:37+00:00
Days remaining
403
Serial (hex)
0D07782A133FC6F9A57296E131FFD179
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C0:6E:30:7F:7C:FC:1D:32:FA:72:A4:C0:33:C8:7B:90:01:9A:F2:16:F0:77:5D:64:97:8A:2E:CA:6C:8A:23:0E
Certificate extensions & PEM
subjectKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
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: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----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

Registration / WHOIS →DNS records →