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

uoregon.edu · 184.171.111.228:443

Verified

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

Subject
C=US ST=Oregon O=University of Oregon CN=*.uoregon.edu
Issuer
C=US O=Internet2 CN=InCommon RSA Server CA 2
Valid from
2026-03-06T00:00:00+00:00
Expires
2027-04-06T23:59:59+00:00
Days remaining
194
Serial (hex)
0548F740FFE96DDCA21D84790A741B25
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.uoregon.edu, DNS:uoregon.edu

SHA-256 fingerprint

A5:54:94:E0:DB:19:8E:A1:3A:E6:94:2C:64:BB:29:FB:E4:BD:01:A5:22:FC:4D:B9:7E:9C:32:5A:55:CC:2B:D6
Certificate extensions & PEM
authorityKeyIdentifier
EF:4C:00:92:A6:FB:76:2E:5E:95:E2:C9:5F:87:1B:19:D5:4D:E2:D9
subjectKeyIdentifier
F0:6A:F5:A3:CE:B5:9C:2C:5F:41:63:0C:A8:4D:36:BE:C5:65:67:65
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.103 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/InCommonRSAServerCA2.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/InCommonRSAServerCA2.crt OCSP - URI:http://ocsp.sectigo.com
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 : Mar 6 19:07:18.873 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:2D:D6:6A:CA:45:19:D3:ED:D9:7E:70:99: F7:A6:5B:26:BC:73:4E:7E:74:AA:99:8E:34:7C:30:1B: 37:E2:05:1E:02:20:33:29:D1:2E:E8:19:1D:F6:C9:03: FC:62:3E:F0:9C:6C:51:57:5E:70:C2:39:65:DE:E8:CE: A0:3E:82:03:1C:02 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Mar 6 19:07:19.774 2026 GMT Extensions: 00:00:05:00:03:09:71:FE Signature : ecdsa-with-SHA256 30:44:02:20:3E:59:6B:F8:AF:D7:14:FE:17:BF:C0:9B: 36:71:27:D1:86:AD:BE:2B:86:B2:FE:6A:BD:43:3F:F4: FC:69:AA:FA:02:20:73:D2:CD:0D:A1:90:55:14:3B:E1: 81:D7:F3:77:F1:A2:3A:99:65:AC:3D:6E:16:34:7B:EF: 6F:E3:C3:18:AE:17 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Mar 6 19:07:19.033 2026 GMT Extensions: 00:00:05:00:00:32:F2:80 Signature : ecdsa-with-SHA256 30:44:02:20:48:AC:CD:C0:FF:A8:AB:F0:63:72:DD:7B: 27:87:9C:58:DA:E8:EF:1A:FD:6D:AF:87:B3:BF:0C:38: 91:DA:DC:9A:02:20:37:57:88:7D:B1:92:BF:63:C0:5A: 01:AC:59:71:6B:01:B8:3F:05:F8:8A:6F:18:AF:C7:BC: C0:8C:91:D5:E4:02
subjectAltName
DNS:*.uoregon.edu, DNS:uoregon.edu
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-24T17:14:55+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Internet2 CN=InCommon RSA Server CA 2
Issuer
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust RSA Certification Authority
Valid from
2022-11-16T00:00:00+00:00
Expires
2032-11-15T23:59:59+00:00
Days remaining
2244
Serial (hex)
835B7615206D2D6E097E0B6E409FEFC0
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

87:E0:1C:C4:DD:0C:9D:92:A3:DB:D4:90:92:FF:13:F9:CD:38:74:45:CD:C5:7E:5B:98:4E:1B:77:21:B5:B0:29
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
EF:4C:00:92:A6:FB:76:2E:5E:95:E2:C9:5F:87:1B:19:D5:4D:E2:D9
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.103 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-----
MIIGSjCCBDKgAwIBAgIRAINbdhUgbS1uCX4LbkCf78AwDQYJKoZIhvcNAQEMBQAw
gYgxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpOZXcgSmVyc2V5MRQwEgYDVQQHEwtK
ZXJzZXkgQ2l0eTEeMBwGA1UEChMVVGhlIFVTRVJUUlVTVCBOZXR3b3JrMS4wLAYD
VQQDEyVVU0VSVHJ1c3QgUlNBIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTIy
MTExNjAwMDAwMFoXDTMyMTExNTIzNTk1OVowRDELMAkGA1UEBhMCVVMxEjAQBgNV
BAoTCUludGVybmV0MjEhMB8GA1UEAxMYSW5Db21tb24gUlNBIFNlcnZlciBDQSAy
MIIBojANBgkqhkiG9w0BAQEFAAOCAY8AMIIBigKCAYEAifBcxDi60DRXr5dVoPQi
Q/w+GBE62216UiEGMdbUt7eSiIaFj/iZ/xiFop0rWuH4BCFJ3kSvQF+aIhEsOnuX
R6mViSpUx53HM5ApIzFIVbd4GqY6tgwaPzu/XRI/4Dmz+hoLW/i/zD19iXvS95qf
NU8qP7/3/USf2/VNSUNmuMKlaRgwkouue0usidYK7V8W3ze+rTFvWR2JtWKNTInc
NyWD3GhVy/7G09PwTAu7h0qqRyTkETLf+z7FWtc8c12f+SfvmKHKFVqKpNPtgMkr
wqwaOgOOD4Q00AihVT+UzJ6MmhNPGg+/Xf0BavmXKCGDTv5uzQeOdD35o/Zw16V4
C4J4toj1WLY7hkVhrzKG+UWJiSn8Hv3dUTj4dkneJBNQrUfcIfTHV3gCtKwXn1eX
mrxhH+tWu9RVwsDegRG0s28OMdVeOwljZvYrUjRomutNO5GzynveVxJVCn3Cbn7a
c4L+5vwPNgs04DdOAGzNYdG5t6ryyYPosSLH2B8qDNzxAgMBAAGjggFwMIIBbDAf
BgNVHSMEGDAWgBRTeb9aqitKz1SA4dibwJ3ysgNmyzAdBgNVHQ4EFgQU70wAkqb7
di5eleLJX4cbGdVN4tkwDgYDVR0PAQH/BAQDAgGGMBIGA1UdEwEB/wQIMAYBAf8C
AQAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMCIGA1UdIAQbMBkwDQYL
KwYBBAGyMQECAmcwCAYGZ4EMAQICMFAGA1UdHwRJMEcwRaBDoEGGP2h0dHA6Ly9j
cmwudXNlcnRydXN0LmNvbS9VU0VSVHJ1c3RSU0FDZXJ0aWZpY2F0aW9uQXV0aG9y
aXR5LmNybDBxBggrBgEFBQcBAQRlMGMwOgYIKwYBBQUHMAKGLmh0dHA6Ly9jcnQu
dXNlcnRydXN0LmNvbS9VU0VSVHJ1c3RSU0FBQUFDQS5jcnQwJQYIKwYBBQUHMAGG
GWh0dHA6Ly9vY3NwLnVzZXJ0cnVzdC5jb20wDQYJKoZIhvcNAQEMBQADggIBACaA
DTTkHq4ivq8+puKE+ca3JbH32y+odcJqgqzDts5bgsapBswRYypjmXLel11Q2U6w
rySldlIjBRDZ8Ah8NOs85A6MKJQLaU9qHzRyG6w2UQTzRwx2seY30Mks3ZdIe9rj
s5rEYliIOh9Dwy8wUTJxXzmYf/A1Gkp4JJp0xIhCVR1gCSOX5JW6185kwid242bs
Lm0vCQBAA/rQgxvLpItZhC9US/r33lgtX/cYFzB4jGOd+Xs2sEAUlGyu8grLohYh
kgWN6hqyoFdOpmrl8yu7CSGV7gmVQf9viwVBDIKm+2zLDo/nhRkk8xA0Bb1BqPzy
bPESSVh4y5rZ5bzB4Lo2YN061HV9+HDnnIDBffNIicACdv4JGyGfpbS6xsi3UCN1
5ypaG43PJqQ0UnBQDuR60io1ApeSNkYhkaHQ9Tk/0C4A+EM3MW/KFuU53eHLVlX9
ss1iG2AJfVktaZ2l/SbY7py8JUYMkL/jqZBRjNkD6srsmpJ6utUMmAlt7m1+cTX8
6/VEBc5Dp9VfuD6hNbNKDSg7YxyEVaBqBEtN5dppj4xSiCrs6LxLHnNo3rG8VJRf
NVQdgFbMb7dOIBokklzfmU69lS0kgyz2mZMJmW2G/hhEdddJWHh3FcLi2MaeYiOV
RFrLHtJvXEdf2aEaZ0LOb2Xo3zO6BJvjXldv2woN
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust RSA Certification Authority
Issuer
C=GB ST=Greater Manchester L=Salford O=Comodo CA Limited CN=AAA Certificate Services
Valid from
2019-03-12T00:00:00+00:00
Expires
2028-12-31T23:59:59+00:00
Days remaining
829
Serial (hex)
3972443AF922B751D7D36C10DD313595
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

68:B9:C7:61:21:9A:5B:1F:01:31:78:44:74:66:5D:B6:1B:BD:B1:09:E0:0F:05:CA:9F:74:24:4E:E5:F5:F5:2B
Certificate extensions & PEM
authorityKeyIdentifier
A0:11:0A:23:3E:96:F1:07:EC:E2:AF:29:EF:82:A5:7F:D0:30:A4:B4
subjectKeyIdentifier
53:79:BF:5A:AA:2B:4A:CF:54:80:E1:D8:9B:C0:9D:F2:B2:03:66:CB
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
certificatePolicies
Policy: X509v3 Any Policy
crlDistributionPoints
Full Name: URI:http://crl.comodoca.com/AAACertificateServices.crl
authorityInfoAccess
OCSP - URI:http://ocsp.comodoca.com
-----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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