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

startpage.com · 67.63.59.233:443

Verified

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

Subject
CN=startpage.com
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M01
Valid from
2026-10-19T00:00:00+00:00
Expires
2027-05-04T23:59:59+00:00
Days remaining
190
Serial (hex)
06A423564AAA2184B457BA09F6D218CB
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:startpage.com, DNS:*.startpage.com

SHA-256 fingerprint

73:EE:7E:AD:5B:3D:46:96:F2:F7:4A:8B:B4:CD:B6:47:27:4D:CF:14:50:BC:81:48:6F:2E:B3:95:AA:03:3E:6C
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
DC:9A:42:AC:C8:6C:77:3B:00:D2:46:57:39:5D:B0:1A:94:81:40:75
subjectAltName
DNS:startpage.com, DNS:*.startpage.com
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 : Oct 19 08:55:24.311 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:AA:F5:0A:34:F0:34:43:58:11:DD:DE: 95:6B:6F:FE:45:82:B6:8C:E4:3C:EA:2C:F9:24:24:72: 63:28:EB:3F:62:02:21:00:80:E4:1E:CF:6E:24:41:9F: 11:74:2E:BF:B6:F4:63:66:2A:A6:26:B7:97:C6:E9:06: FE:7B:FE:BB:78:C6:AC:66 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 19 08:55:24.423 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:79:01:47:20:54:4D:6F:4B:8A:BF:06:55: 12:BD:45:2D:FA:66:E9:48:85:AA:40:A3:3A:E5:0C:62: 71:8D:60:D7:02:21:00:91:07:23:C2:BC:22:5C:B5:92: 14:6A:D4:5A:61:66:91:0D:D3:1F:8B:5C:CE:44:A5:53: 06:93:D5:0B:1D:37:EB 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 : Oct 19 08:55:24.465 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:1D:7D:0A:27:02:32:03:C2:AC:A2:68:8C: E2:35:4F:43:2F:0F:1C:40:38:2C:7D:11:4B:B6:08:37: 2B:2E:7F:41:02:21:00:D3:69:70:4E:66:ED:8C:1E:26: 04:97:7F:45:D5:52:A1:97:6D:47:F5:6B:E2:90:D8:09: FC:59:23:C4:31:CB:5C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-26T09:40:07+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
1397
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
4083
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

Registration / WHOIS →DNS records →