www.keller.cps.edu
Issued by ZeroSSL RSA Domain Secure Site CA
About this certificate
This digital certificate with serial number ed:57:c6:52:23:c6:50:f7:94:a6:29:17:f8:a2:7e:40 was issued on by ZeroSSL.
With 3 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
- Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
- Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)
Certificate Subject
CN=www.keller.cps.edu
ZeroSSL
Organization:
ZeroSSL
Country:
AT
This certificate will expire on
Certificate Details
Serial Number (hex): ed:57:c6:52:23:c6:50:f7:94:a6:29:17:f8:a2:7e:40Serial Number (int): 315482787252600166094710534399957564992
Serial Number lenght: 128 bits, 16 octets
SubjectKeyId: f8:66:de:3b:ef:40:29:76:43:59:bf:9c:09:75:48:2d:6c:f7:84:b3
AuthorityKeyId: c8:d9:78:68:a2:d9:19:68:d5:3d:72:de:5f:0a:3e:dc:b5:86:86:a6
Fingerprint (sha1): 69:61:78:f9:c2:44:30:dd:f8:c6:2c:be:be:b2:56:fa:e0:ef:5f:96
Fingerprint (sha256): 14:d4:29:d5:8f:2d:f3:f1:58:2f:1c:57:eb:06:42:b7:f8:cd:00:c4:07:6e:4a:8f:cf:e1:5e:a5:39:97:f8:af
Issuing Certificate URL: http://zerossl.crt.sectigo.com/ZeroSSLRSADomainSecureSiteCA.crt
Revocation information
OCSP Server: http://zerossl.ocsp.sectigo.comCheck the revocation status for certificate www.keller.cps.edu
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.keller.cps.edu
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA384 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
www.keller.cps.edu
admin.keller.cps.edu
keller.cps.edu
admin.keller.cps.edu
keller.cps.edu
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Certificate
The complete raw certificate details for www.keller.cps.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGmjCCBIKgAwIBAgIRAO1XxlIjxlD3lKYpF/iifkAwDQYJKoZIhvcNAQEMBQAw SzELMAkGA1UEBhMCQVQxEDAOBgNVBAoTB1plcm9TU0wxKjAoBgNVBAMTIVplcm9T U0wgUlNBIERvbWFpbiBTZWN1cmUgU2l0ZSBDQTAeFw0yNDA0MTEwMDAwMDBaFw0y NDA3MTAyMzU5NTlaMB0xGzAZBgNVBAMTEnd3dy5rZWxsZXIuY3BzLmVkdTCCASIw DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMGrV3A/5i8ksXuFKu4whAcSv2sH r4zCxwbKMLV2wzM3jxUmx4FzNLbo/USu4HwMxNpSEqSPXdjWuopmlaLRKxwoeP/4 o9a2/FoBvbfv2DS/SIO6FeH+Fl7dwp5vUcr6tntN2Q2Pxt4e2xNJ1ayjz2b1/d80 4KJqtRa/+ceFkIWREgJePwhGU/9INkdqD4fQA2IFt9/N2DKJtb0Hm3y9s3EcxPp7 rtbXDkYfhyqwB3jRNKulSbfsfFs9sPOlU+QVdJX12b0UH5cvuZ36wlTdOhXRHtY8 /li659ba15rtKG8Nz9VCnNAPH462Xq97QsqsFQpnQpbl5bpp7FfOigBiFakCAwEA AaOCAqUwggKhMB8GA1UdIwQYMBaAFMjZeGii2Rlo1T1y3l8KPty1hoamMB0GA1Ud DgQWBBT4Zt4770ApdkNZv5wJdUgtbPeEszAOBgNVHQ8BAf8EBAMCBaAwDAYDVR0T AQH/BAIwADAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwSQYDVR0gBEIw QDA0BgsrBgEEAbIxAQICTjAlMCMGCCsGAQUFBwIBFhdodHRwczovL3NlY3RpZ28u Y29tL0NQUzAIBgZngQwBAgEwgYgGCCsGAQUFBwEBBHwwejBLBggrBgEFBQcwAoY/ aHR0cDovL3plcm9zc2wuY3J0LnNlY3RpZ28uY29tL1plcm9TU0xSU0FEb21haW5T ZWN1cmVTaXRlQ0EuY3J0MCsGCCsGAQUFBzABhh9odHRwOi8vemVyb3NzbC5vY3Nw LnNlY3RpZ28uY29tMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHcAdv+IPwq2+5VR wmHM9Ye6NLSkzbsp3GhCCp/mZ0xaOnQAAAGOyoEnpAAABAMASDBGAiEA6of7O0r1 DZe9l5dPlDcSM1/I0UOXY0QrwXZt1icKoSsCIQDO1Kc5Fj0rMySx/aX7s32x1LHQ 9snA7lrs2Kis+aBNAwB2AD8XS0/XIkdYlB1lHIS+DRLtkDd/H4Vq68G/KIXs+GRu AAABjsqBJ2MAAAQDAEcwRQIhAJqIRdcUtVhT6C16P3ZzzIE34BexbntuKXZo3D78 t/tgAiAKEeM5pozZNcHeMaD/dlCSTmkvMlgH3ltJYIHFay7EgjBDBgNVHREEPDA6 ghJ3d3cua2VsbGVyLmNwcy5lZHWCFGFkbWluLmtlbGxlci5jcHMuZWR1gg5rZWxs ZXIuY3BzLmVkdTANBgkqhkiG9w0BAQwFAAOCAgEAAWmbEPNOVbz8sJQRUdU9SAR0 h15ElAcwRbTg5x4l/oezMr2MZCIJYJhQQ3/T87ph0y5ZANcaYq7SunTZMq7PNKB/ J8gCIUYSgHlKjULEJweLou/8uCnzMcxqUgnqJ72vXMwriKOmMGpYwVNX4etregPd a7VLjkffJMiaPrseeRNBORo7m57I+IIutXVTDOixOVF4Hfnau6MxrOe9g+L8HbZ9 9jrDJOwY+t4Dpzga9f29bMXIjMpiA2u0PQUaEGhTKQZBPYmszd9neUG64h7ObrEd NyBKmocrW+tYCe+c/fSNh53HTA7IQXcQxryvqMzqIzCYbZZ9hStzuGEB/ZaOCQxj PBWVsUjBfOMMVRmAznbvJfdAzyVVI63UkVcvi7qfHmOtTsbVH4gE546AiWhVTlML v+Hf4SEg6FvbfQZAw8aDBruy1VcTWEdZVMgTaaeSl1ZnFwVAoEciE0qqPVMOed1t BqTOUtN7LdePbVqru5sayDsuPDybaC3xUC0OK16mPujl1iU81QyseMR3A5hlhcVP IKrGmkxoDe+nw9IVai7wil9a0ULkwrVXszeVdNmP9se+MTnbaP6+1KBjqx8qDE1D ZLPAc3U7X8Zvkq5vyQj1q7rYtL0byEMA9s8J1W+b9Y25x7P9xqhQdp620zUEaqDD 6UpLux4US0yXxGREKFA= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwatXcD/mLySxe4Uq7jCE BxK/awevjMLHBsowtXbDMzePFSbHgXM0tuj9RK7gfAzE2lISpI9d2Na6imaVotEr HCh4//ij1rb8WgG9t+/YNL9Ig7oV4f4WXt3Cnm9Ryvq2e03ZDY/G3h7bE0nVrKPP ZvX93zTgomq1Fr/5x4WQhZESAl4/CEZT/0g2R2oPh9ADYgW3383YMom1vQebfL2z cRzE+nuu1tcORh+HKrAHeNE0q6VJt+x8Wz2w86VT5BV0lfXZvRQfly+5nfrCVN06 FdEe1jz+WLrn1trXmu0obw3P1UKc0A8fjrZer3tCyqwVCmdCluXlumnsV86KAGIV qQIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 315482787252600166094710534399957564992 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.12 (sha384WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'AT' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'ZeroSSL' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'ZeroSSL RSA Domain Secure Site CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-11 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-10 23:59:59 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.keller.cps.edu' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24448484529028385115472835282460868503759874429558654535730451071350817533557889544772319253209913139215499603553066802266186498950275942315747415066769105678512650113782843813657633147971481319424642190959451054289930653453048935233849547828725811753707862518691305919326725645166717919208309233550573281271133552779385628414140095724284856664102753406771903196809910920047895688897310675736583321185109751108843481049145336107949795583822741505410355814727013050469086377199743637676411357428736484849393123181165113399687591797525388730928891413149427338952116900355983655923002205930170057248427926582881597658537 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c8d97868a2d91968d53d72de5f0a3edcb58686a6 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) f866de3bef4029764359bf9c0975482d6cf784b3 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.78 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://sectigo.com/CPS' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (124 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://zerossl.crt.sectigo.com/ZeroSSLRSADomainSecureSiteCA.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://zerossl.ocsp.sectigo.com' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f100770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018eca8127a40000040300483046022100ea87fb3b4af50d97bd97974f943712335fc8d1439763442bc1766dd6270aa12b022100ced4a739163d2b3324b1fda5fbb37db1d4b1d0f6c9c0ee5aecd8a8acf9a04d030076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018eca81276300000403004730450221009a8845d714b55853e82d7a3f7673cc8137e017b16e7b6e297668dc3efcb7fb6002200a11e339a68cd935c1de31a0ff7650924e692f325807de5b496081c56b2ec482 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (60 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.keller.cps.edu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'admin.keller.cps.edu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'keller.cps.edu' . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.12 (sha384WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (4096 bits) 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