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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

delta.edu · 34.236.193.193:443

Verified

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

Subject
C=US ST=Michigan L=Bay City O=DELTA COLLEGE CN=*.delta.edu
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-07-23T00:00:00+00:00
Expires
2026-12-02T23:59:59+00:00
Days remaining
59
Serial (hex)
0892A1ABE7E2DF81932B9DB68EEDBAC2
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.delta.edu, DNS:delta.edu

SHA-256 fingerprint

76:F3:E0:7F:10:BB:DB:CB:6E:98:DE:80:2C:40:37:31:36:33:FD:48:D1:41:AE:F7:09:2C:2D:EE:65:1E:F1:10
Certificate extensions & PEM
authorityKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
80:F5:7C:A2:3B:4E:AA:4E:4C:B2:1E:59:C7:29:50:98:E1:F3:BC:DB
subjectAltName
DNS:*.delta.edu, DNS:delta.edu
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://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.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 : Jul 23 21:07:35.412 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:6C:DC:7C:B8:8A:AC:A0:71:CB:D0:FD:5D: A4:12:F3:09:CB:5C:70:02:F2:1F:FF:9B:44:F6:D1:00: 36:4D:F0:0B:02:21:00:A7:FD:62:A1:1D:6D:53:D5:E5: 79:B8:A3:34:DD:9F:FB:1E:5E:5A:29:EA:2F:7E:11:2A: 06:32:FD:E8:92:CC:BC Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Jul 23 21:07:35.377 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3A:45:20:34:A3:D5:44:B3:2E:C4:E8:75: 1F:3F:51:83:35:E2:BF:12:C0:DD:9F:73:55:65:F8:C7: DA:22:44:35:02:20:1E:DC:EB:71:25:D4:6C:4A:9C:DA: 16:1C:28:DC:B7:21:B9:D3:37:1A:9B:48:FD:04:D6:1E: BE:C2:B5:26:A9:BD 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 : Jul 23 21:07:35.436 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D9:08:34:95:CD:33:D9:DF:22:FF:6A: 14:F2:69:87:67:92:A3:76:71:A8:21:1C:AF:39:E1:D3: 47:90:28:AB:A7:02:21:00:B2:1F:50:8A:DB:35:72:62: 12:05:F2:8F:91:64:C7:BD:17:87:2E:50:8D:F5:37:05: EE:1A:3B:E5:0E:AF:28:C1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-04T19:20:46+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2021-03-30T00:00:00+00:00
Expires
2031-03-29T23:59:59+00:00
Days remaining
1637
Serial (hex)
0CF5BD062B5602F47AB8502C23CCF066
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C8:02:5F:9F:C6:5F:DF:C9:5B:3C:A8:CC:78:67:B9:A5:87:B5:27:79:73:95:79:17:46:3F:C8:13:D0:B6:25:A9
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
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
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4120
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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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