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

rockhurst.edu · 3.173.23.128:443

Verified

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

Subject
CN=rockhurst.edu
Issuer
C=US O=Amazon CN=Amazon RSA 2048 M04
Valid from
2025-12-27T00:00:00+00:00
Expires
2027-01-25T23:59:59+00:00
Days remaining
73
Serial (hex)
0E4216D28D44F2B262E670D17FA972B8
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:rockhurst.edu, DNS:www.rockhurst.edu

SHA-256 fingerprint

AD:2A:24:B9:BD:37:AA:31:B3:E5:56:59:7E:80:EA:8C:F4:72:AD:F3:55:30:6B:3E:48:76:EE:A2:1D:CE:F9:75
Certificate extensions & PEM
authorityKeyIdentifier
1F:52:92:61:56:82:54:7F:81:66:D8:1D:3D:0A:AA:32:5C:87:DD:08
subjectKeyIdentifier
23:E2:DD:CC:D9:21:5B:11:A6:60:88:43:1B:A6:03:02:9C:21:07:EF
subjectAltName
DNS:rockhurst.edu, DNS:www.rockhurst.edu
certificatePolicies
Policy: 2.23.140.1.2.1
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.r2m04.amazontrust.com/r2m04.crl
authorityInfoAccess
OCSP - URI:http://ocsp.r2m04.amazontrust.com CA Issuers - URI:http://crt.r2m04.amazontrust.com/r2m04.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 : Dec 27 19:55:03.878 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A1:88:52:CA:E6:05:28:75:05:B8:B9: 23:59:45:26:C8:47:8B:17:91:8E:44:1B:8D:A4:EE:7A: 6B:72:33:16:24:02:20:3A:5A:67:A1:66:A6:BE:DD:F3: 74:1A:47:87:C1:E7:60:75:5C:80:0B:40:F7:F1:4F:1C: 80:1F:32:47:A0:BB:AF 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 : Dec 27 19:55:03.886 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:01:A0:49:47:BD:3E:CC:68:DD:D2:A3:6A: AB:96:D5:9C:6C:93:60:E3:DE:85:36:DE:0D:3D:F6:DB: 6A:50:13:51:02:20:6C:53:0B:20:A5:29:8C:1F:39:88: D2:17:A6:6C:55:0E:3C:FE:2F:B9:A4:C3:0B:E5:9B:9C: DB:5E:4D:35:41:32 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Dec 27 19:55:04.127 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:BA:93:88:95:81:B7:40:69:C2:A5:FE: 1E:A7:0D:E0:22:4D:FB:AC:39:49:B9:45:AA:8A:7F:91: 9E:8D:8E:E4:3D:02:20:18:84:26:94:A1:00:22:D6:F0: 65:A5:5A:9B:8E:2F:E9:F4:F2:82:A3:64:EB:CF:97:9A: 99:72:04:97:8A:98:7E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-13T02:20:12+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Amazon CN=Amazon RSA 2048 M04
Issuer
C=US O=Amazon CN=Amazon Root CA 1
Valid from
2022-08-23T22:26:35+00:00
Expires
2030-08-23T22:26:35+00:00
Days remaining
1379
Serial (hex)
0773124F2A952E3ED18A58BDB85D1BC0CE5F27
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:8B:DF:6E:23:AC:97:1E:B4:E6:26:B2:79:DD:6A:26:F0:57:51:0F:1D:E3:94:29:3A:5E:EA:28:60:DE:01:9B
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
1F:52:92:61:56:82:54:7F:81:66:D8:1D:3D:0A:AA:32:5C:87:DD:08
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
4065
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 →