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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

sd23.bc.ca · 3.99.56.206:443

Verified

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

Subject
CN=*.sd23.bc.ca
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M01
Valid from
2026-07-21T00:00:00+00:00
Expires
2027-02-03T23:59:59+00:00
Days remaining
131
Serial (hex)
082CACAF14DDD5B56478E1835D8300F1
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.sd23.bc.ca, DNS:www.international.sd23.bc.ca, DNS:sd23.bc.ca

SHA-256 fingerprint

CC:E0:0B:D2:5D:63:B3:10:EC:7C:67:BF:29:26:A3:64:FE:AA:89:77:97:5D:DB:87:C3:8C:35:AB:DA:89:CC:3B
Certificate extensions & PEM
authorityKeyIdentifier
81:B8:0E:63:8A:89:12:18:E5:FA:3B:3B:50:95:9F:E6:E5:90:13:85
subjectKeyIdentifier
B3:3B:2C:15:2D:10:2A:1C:FD:E8:E2:43:64:7A:E7:9A:36:E2:DF:83
subjectAltName
DNS:*.sd23.bc.ca, DNS:www.international.sd23.bc.ca, DNS:sd23.bc.ca
certificatePolicies
Policy: 2.23.140.1.2.1
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.r2m01.amazontrust.com/r2m01.crl
authorityInfoAccess
OCSP - URI:http://ocsp.r2m01.amazontrust.com CA Issuers - URI:http://crt.r2m01.amazontrust.com/r2m01.cer
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 : Jul 21 00:09:01.960 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:D8:15:A2:D2:1C:BD:F9:9A:BE:D7:40: BC:A6:44:CB:B8:95:C6:88:5E:B1:DA:6C:C3:1D:57:DF: 95:03:6B:49:4D:02:20:20:CA:C5:E6:6D:2C:76:F2:A7: 30:E4:ED:38:BE:85:D2:AD:9F:EB:24:1E:EB:19:97:AA: 1B:15:B7:06:D5:C6:A4 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 : Jul 21 00:09:01.957 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:5F:8F:8D:CE:65:0F:F0:05:93:1B:3D:89: B1:F5:F8:F4:66:3C:33:EB:64:01:9D:38:E1:DE:DF:B6: 67:25:66:99:02:20:04:98:5E:53:6E:98:19:E6:DC:4C: 7D:0D:0D:C0:09:53:85:A5:07:E6:61:75:BF:63:AB:07: 7C:6C:77:A2:E2:9E 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 : Jul 21 00:09:02.071 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:44:CC:1F:44:44:16:BC:AB:53:7C:3E:19: 33:F9:B1:61:87:83:C4:EA:2D:A0:D5:20:1D:2E:BB:C9: 83:8E:EF:48:02:20:45:42:5D:6E:76:2A:F0:48:56:62: E5:A6:8F:C0:E7:07:48:15:8E:5E:43:86:4B:FE:7B:D3: 3F:64:66:33:60:46
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-25T08:16:11+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Amazon CN=Amazon RSA 2048 M01
Issuer
C=US O=Amazon CN=Amazon Root CA 1
Valid from
2022-08-23T22:21:28+00:00
Expires
2030-08-23T22:21:28+00:00
Days remaining
1428
Serial (hex)
077312380B9D6688A33B1ED9BF9CCDA68E0E0F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

53:38:EB:EC:8F:B2:AC:60:99:61:26:D3:E7:6A:A3:4F:D0:F3:31:8A:C7:8E:BB:7A:C8:F6:F1:36:1F:48:4B:33
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
subjectKeyIdentifier
81:B8:0E:63:8A:89:12:18:E5:FA:3B:3B:50:95:9F:E6:E5:90:13:85
authorityKeyIdentifier
84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08
authorityInfoAccess
OCSP - URI:http://ocsp.rootca1.amazontrust.com CA Issuers - URI:http://crt.rootca1.amazontrust.com/rootca1.cer
crlDistributionPoints
Full Name: URI:http://crl.rootca1.amazontrust.com/rootca1.crl
certificatePolicies
Policy: 2.23.140.1.2.1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=Amazon CN=Amazon Root CA 1
Issuer
C=US ST=Arizona L=Scottsdale O=Starfield Technologies, Inc. CN=Starfield Services Root Certificate Authority - G2
Valid from
2015-05-25T12:00:00+00:00
Expires
2037-12-31T01:00:00+00:00
Days remaining
4114
Serial (hex)
067F944A2A27CDF3FAC2AE2B01F908EEB9C4C6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

87:DC:D4:DC:74:64:0A:32:2C:D2:05:55:25:06:D1:BE:64:F1:25:96:25:80:96:54:49:86:B4:85:0B:C7:27:06
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
84:18:CC:85:34:EC:BC:0C:94:94:2E:08:59:9C:C7:B2:10:4E:0A:08
authorityKeyIdentifier
9C:5F:00:DF:AA:01:D7:30:2B:38:88:A2:B8:6D:4A:9C:F2:11:91:83
authorityInfoAccess
OCSP - URI:http://ocsp.rootg2.amazontrust.com CA Issuers - URI:http://crt.rootg2.amazontrust.com/rootg2.cer
crlDistributionPoints
Full Name: URI:http://crl.rootg2.amazontrust.com/rootg2.crl
certificatePolicies
Policy: X509v3 Any Policy
-----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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