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

isu.net.sa · 212.138.116.194:443

Verified

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

Subject
C=SA L=Riyadh O=King Abdulaziz City for Science and Technology CN=*.isu.net.sa
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-09-21T00:00:00+00:00
Expires
2027-04-07T23:59:59+00:00
Days remaining
193
Serial (hex)
0551A0CD0D87B1B4CB8E4ADB83DAA496
Signature
RSA-SHA512
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.isu.net.sa, DNS:isu.net.sa

SHA-256 fingerprint

56:DB:C4:EF:07:8B:6C:AA:FF:EF:22:23:88:89:25:68:C8:E6:CC:A8:25:49:8D:31:25:A7:8D:77:39:F4:5D:0E
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
D0:66:80:E2:2C:2F:D7:D3:4A:FE:7B:1D:77:04:38:30:D7:FC:F4:60
subjectAltName
DNS:*.isu.net.sa, DNS:isu.net.sa
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 : 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 : Sep 21 07:46:23.191 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:C3:C7:75:2A:4A:28:51:2F:4C:04:65: 21:4E:EA:E8:A0:E5:13:4E:65:88:92:50:48:79:04:BE: CC:81:AE:28:58:02:21:00:80:6D:B9:E0:65:7B:29:76: BC:CE:86:69:4B:B4:1A:30:83:C5:01:AC:10:A2:4E:14: 23:F6:DF:28:02:5C:D1:DF 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 : Sep 21 07:46:23.165 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C9:CB:7A:4D:D1:59:9C:98:74:41:9A: 04:2C:B1:6F:39:84:E4:8F:42:F6:E5:80:E3:D2:51:54: 1F:4E:C3:05:85:02:20:43:A8:45:46:24:AF:79:4B:7B: 42:21:3B:8D:6E:75:B6:FB:4C:3A:AE:70:5D:41:14:FA: 6A:EC:0E:43:E3:85:01 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 : Sep 21 07:46:23.205 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B8:50:13:1B:CF:6C:57:BE:C7:BE:60: 09:21:5F:03:40:E3:5C:41:E3:3A:BA:72:6A:FB:00:3A: D7:19:C8:D2:A7:02:21:00:D2:51:52:94:46:7B:E9:CF: A5:B6:66:6C:95:A9:68:52:7F:2E:55:2B:3A:92:2D:7B: 3E:DB:2B:7F:1E:72:39:99
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-26T18:42:55+00:00

Server-presented chain · 1 additional certificate

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
1645
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-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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