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 · 67.63.60.231:443

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)
020B5F3C31168D0866950E7F8BC7BC8A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

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

SHA-256 fingerprint

C8:AA:10:91:7D:F3:7F:D9:C3:05:FC:FF:4E:A6:78:1C:4F:8A:2E:9D:FF:EE:87:3C:75:40:E3:57:31:7F:CC:21
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
3B:7A:E7:8D:29:F2:CA:36:73:6C:38:F0:7B:DD:0B:39:69:CC:D3:1A
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 08:57:29.498 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:8D:83:5C:96:35:EA:8F:44:22:D9:5E: C3:E5:E4:32:46:73:48:43:1E:BB:DC:F7:41:6C:DA:96: D3:E0:20:EE:F4:02:20:63:4D:25:C7:5F:73:0A:4B:C9: 9C:6D:D4:9E:1B:38:DC:50:AD:D5:36:5F:0F:4D:5C:DC: C6:08:E3:B3:10:EA:A0 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 08:57:29.523 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F8:A6:08:05:DB:F6:00:F5:CB:F3:E7: 76:0E:C1:E3:1A:EA:24:37:51:B3:02:06:2C:13:6D:A7: F7:B3:74:43:77:02:20:5E:68:71:6C:FF:FD:3C:49:65: E4:08:24:AD:71:7A:88:66:9F:49:D3:80:9C:66:7B:2F: A8:5C:82:F6:C6:DA:72 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 : Oct 19 08:57:29.572 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:49:F6:1B:14:03:07:E7:04:E6:1F:BA:C9: 02:B9:95:DA:1C:F5:8C:10:E7:66:38:11:20:CF:E1:71: 7E:66:D6:74:02:21:00:CC:2D:BF:95:ED:F6:57:42:23: 81:A2:BC:4A:D6:B1:AF:4C:F7:B1:03:4A:2D:14:5C:6C: 94:7B:FC:5A:BB:F6:CD
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-26T05:31:35+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.

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