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

TLSv1.2

sunysuffolk.edu · 198.72.10.5:443

Verified

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

Subject
C=US ST=New York L=Selden O=Suffolk County Community College CN=sunysuffolk.edu
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Valid from
2025-12-05T16:41:02+00:00
Expires
2027-01-06T16:41:01+00:00
Days remaining
55
Serial (hex)
782C9424165E7940C3D3F2D3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:sunysuffolk.edu, DNS:www3.sunysuffolk.edu, DNS:webprod.sunysuffolk.edu, DNS:www.sunysuffolk.edu

SHA-256 fingerprint

52:C5:14:D6:F6:0B:33:B4:04:5C:82:00:8A:B2:80:81:DD:53:5C:C0:5E:D2:75:76:CB:8F:E4:E3:11:C1:EA:B0
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt OCSP - URI:http://ocsp.globalsign.com/gsrsaovsslca2018
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.20 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsrsaovsslca2018.crl
subjectAltName
DNS:sunysuffolk.edu, DNS:www3.sunysuffolk.edu, DNS:webprod.sunysuffolk.edu, DNS:www.sunysuffolk.edu
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
subjectKeyIdentifier
CE:48:54:90:C6:77:0C:80:7A:03:B1:F0:A9:7E:7B:B2:16:AF:AA:A8
ct_precert_scts
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 5 16:41:06.190 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:24:30:61:B3:0C:6C:22:F7:ED:2C:BA:C0: 8E:4F:28:AE:BD:C8:C7:E6:5F:E5:18:7B:1A:73:E5:69: A2:93:10:AF:02:21:00:F4:25:55:48:41:2D:88:EC:CF: 30:7E:CB:93:9B:18:D7:D3:89:A4:6B:06:A4:29:63:97: 6C:A8:78:2B:3B:CC:5F 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 5 16:41:05.390 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B9:F9:D7:40:C7:69:F2:E2:AD:95:A8: 67:B0:4E:E0:77:EB:42:43:6A:5A:16:FF:60:0D:66:DC: 1F:E3:77:76:46:02:21:00:F4:03:5F:01:98:64:F0:85: 45:17:CF:CA:29:75:AA:86:0C:3F:02:E5:F3:34:A7:20: FE:92:39:AB:37:F1:52:62 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 5 16:41:06.376 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:7A:05:18:27:41:63:93:B4:AD:F7:3F:C0: 19:47:CD:BF:8E:56:B1:58:CE:E0:CE:3E:B6:97:61:96: 02:81:E1:FF:02:21:00:A0:47:DF:88:5B:94:F0:7E:BA: 34:7C:AE:F8:F0:C0:F1:B3:8A:23:09:92:D4:A5:56:12: 91:1F:78:EE:B0:43:C3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-11-11T21:57:13+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2018-11-21T00:00:00+00:00
Expires
2028-11-21T00:00:00+00:00
Days remaining
740
Serial (hex)
01EE5F221DFC623BD4333A8557
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B6:76:FF:A3:17:9E:88:12:09:3A:1B:5E:AF:EE:87:6A:E7:A6:AA:F2:31:07:8D:AD:1B:FB:21:CD:28:93:76:4A
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----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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