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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

guhsd.net · 34.208.0.245:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate has expired.

Certificate verification failed

Subject
C=US ST=California O=Grossmont Union High School District CN=*.guhsd.net
Issuer
C=US O=Network Solutions L.L.C. CN=Network Solutions RSA OV SSL CA 3
Valid from
2025-08-07T00:00:00+00:00
Expires
2026-08-30T23:59:59+00:00
Days remaining
-43
Serial (hex)
FC24A895E574610F1AD172E2B7E95BE6
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.guhsd.net, DNS:guhsd.net

SHA-256 fingerprint

CA:BD:96:31:2C:C1:01:C8:D2:EE:34:7C:E7:41:31:20:AD:A2:D5:B2:47:7D:47:99:F0:49:69:27:16:47:A1:55
Certificate extensions & PEM
authorityKeyIdentifier
EA:25:FF:5C:9F:4E:4F:4E:C1:14:A0:DB:CA:BE:AB:F2:E2:E2:78:A4
subjectKeyIdentifier
20:B9:FC:47:9E:90:D5:1E:98:F6:F1:C5:F7:E8:F5:66:F6:D1:B1:C1
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.4 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.netsolssl.com/NetworkSolutionsRSAOVSSLCA3.crl
authorityInfoAccess
CA Issuers - URI:http://crt.netsolssl.com/NetworkSolutionsRSAOVSSLCA3.crt OCSP - URI:http://ocsp.netsolssl.com
subjectAltName
DNS:*.guhsd.net, DNS:guhsd.net
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Aug 7 20:43:58.011 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:7E:01:99:4B:0C:2D:39:85:C8:8B:8A:69: 1F:24:89:77:D3:09:4F:C5:46:4F:40:DD:EF:93:65:64: 15:3C:44:39:02:20:03:F4:97:9E:F2:58:16:AE:64:96: 59:3A:2C:BF:79:8E:A2:D5:04:40:5D:06:70:C8:2A:FF: E9:96:E9:17:52:69 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Aug 7 20:43:58.092 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:95:9C:98:ED:83:B7:26:52:07:53:5C: 5F:D1:30:A6:E3:19:A8:DB:EC:F3:B4:0F:C0:B8:FB:D7: B6:28:CA:65:15:02:20:37:69:59:0D:0C:53:D4:4F:B1: 2B:34:20:03:6C:5F:E6:87:D2:17:65:EF:DE:67:84:1E: 01:05:8D:93:E1:CA:C6 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 : Aug 7 20:43:57.911 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:BA:A6:77:64:1D:13:CA:DD:A1:80:C7: 9E:3C:F8:31:EE:3D:9A:C3:C7:B0:B6:4D:77:69:EB:11: 3A:88:FD:10:64:02:20:73:09:DE:1B:29:40:3F:78:15: AF:38:7A:97:53:2C:EE:D5:7B:03:C4:8C:56:F7:3B:E4: E9:B0:0C:BE:63:B2:8C
-----BEGIN CERTIFICATE-----
MIIICDCCBnCgAwIBAgIRAPwkqJXldGEPGtFy4rfpW+YwDQYJKoZIhvcNAQELBQAw
XDELMAkGA1UEBhMCVVMxITAfBgNVBAoTGE5ldHdvcmsgU29sdXRpb25zIEwuTC5D
LjEqMCgGA1UEAxMhTmV0d29yayBTb2x1dGlvbnMgUlNBIE9WIFNTTCBDQSAzMB4X
DTI1MDgwNzAwMDAwMFoXDTI2MDgzMDIzNTk1OVowZzELMAkGA1UEBhMCVVMxEzAR
BgNVBAgTCkNhbGlmb3JuaWExLTArBgNVBAoTJEdyb3NzbW9udCBVbmlvbiBIaWdo
IFNjaG9vbCBEaXN0cmljdDEUMBIGA1UEAwwLKi5ndWhzZC5uZXQwggIiMA0GCSqG
SIb3DQEBAQUAA4ICDwAwggIKAoICAQCex68A7Dc7ZDB0IXQaES9djhri3+vRzuzS
quIq+Sk89M9iv84fMcDQp8ufNVlyXUBMp3wQMYrm++ECk9Ez6MDlZlfiur75Qilp
jeVntXQRu6wgXSCcRFxen+K0OKvkReAnzA5xx9tSBbDirmKkR14JjufNd831A13n
FelmvI2Z28zSskZcrw3WwZzhPrFIy7ipBCgHgoPKE4PoZl+0jFgJnwxx9KhLQHFn
4BwoDIsm6qy5N7EvesL+bshMAFceho9H+0lx4lVxPp055OfpSs0ECSl+QHUAzY1z
LO7W7M0UGvsjVn5LyQs5IQOwDHMXa9kWyRrSOeQikeEYEDT59loh2p5CIzhVKhc2
KtGrVH6GCBeWUl+PvC/dr/9vKkj6pabzT6x1scIt+2F6GZGJm3d5r4/OywqYop+Q
70GjUom8g8vjV42YrJvVLoDdi8+ekveosSWLoRwdwfFM2Ryfzh79dgjqzRmQppfj
7h1KEPXwG0BEZPrkjgAl8kZ+vHcaljQFOtpy+QTN0ZrP1SIQuWOaoBijsM2QTFy+
QE2FnHoDAcBo+2P8m8R8+5QToBfzWDw/5QAy4MgBbFd/zI23G7Sbxo82+aJ/reBc
czAaR4e7G5OnBxBfA92SFjfFHIxNGf/ReEH+9VXk1xk45gKYSzq+q9AJipRYX19M
MqqDIHKhFQIDAQABo4IDODCCAzQwHwYDVR0jBBgwFoAU6iX/XJ9OT07BFKDbyr6r
8uLieKQwHQYDVR0OBBYEFCC5/EeekNUemPbxxffo9Wb20bHBMA4GA1UdDwEB/wQE
AwIFoDAMBgNVHRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD
AjBJBgNVHSAEQjBAMDQGCysGAQQBsjEBAgIEMCUwIwYIKwYBBQUHAgEWF2h0dHBz
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dHRwOi8vY3JsLm5ldHNvbHNzbC5jb20vTmV0d29ya1NvbHV0aW9uc1JTQU9WU1NM
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CCsGAQUFBzABhhlodHRwOi8vb2NzcC5uZXRzb2xzc2wuY29tMCEGA1UdEQQaMBiC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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-12T17:19:26+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=Network Solutions L.L.C. CN=Network Solutions RSA OV SSL CA 3
Issuer
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust RSA Certification Authority
Valid from
2023-08-02T00:00:00+00:00
Expires
2033-08-01T23:59:59+00:00
Days remaining
2485
Serial (hex)
86B7D75C482FD8A9F016A31C79EDE9A2
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

90:33:34:50:A3:AF:1F:42:DB:59:54:F8:49:14:B1:86:27:71:EA:B4:66:CE:52:FD:D1:9E:AA:C3:59:4E:DD:3B
Certificate extensions & PEM
authorityKeyIdentifier
53:79:BF:5A:AA:2B:4A:CF:54:80:E1:D8:9B:C0:9D:F2:B2:03:66:CB
subjectKeyIdentifier
EA:25:FF:5C:9F:4E:4F:4E:C1:14:A0:DB:CA:BE:AB:F2:E2:E2:78:A4
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.4 Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.usertrust.com/USERTrustRSACertificationAuthority.crl
authorityInfoAccess
CA Issuers - URI:http://crt.usertrust.com/USERTrustRSAAAACA.crt OCSP - URI:http://ocsp.usertrust.com
-----BEGIN CERTIFICATE-----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mFb1vYu61MNJnXh9DVndy5u0ZQ7Wd9XFklomMCpWGdTgUaVaKF/lQRIyoOmob4GM
55jRp7V+lqsM25pCnJKMeGCRojwVYlh0HPc8+zSW7rbEtc5B2eEeQXwBsOWARy7s
hXdPseyHrdqi+A4qxainqrRXv5pcRQflKYuvhKoLTi0EQXBYfXbbe53uN/bGDSZu
CNr5DusX5JHyHK4BeViA91rb9wpsXjq6FDmNe/ty6OaEba8vN1QNXUdmnyB7aHk4
v6yWUa3x
-----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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