schoolboard.brookings.k12.sd.us
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:87:fe:29:7d:cb:8c:59:83:ed:03:40:bf:34:99:3d:16:36 was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. 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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=schoolboard.brookings.k12.sd.us
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:87:fe:29:7d:cb:8c:59:83:ed:03:40:bf:34:99:3d:16:36Serial Number (int): 307612816676135954632707126789867191473718
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 95:36:ed:c3:72:ae:82:d7:2f:b5:62:91:de:fd:14:66:d2:d9:90:49
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 8a:17:ca:ba:72:46:30:37:b0:7c:d1:46:7f:82:72:b4:70:c9:3a:30
Fingerprint (sha256): 01:7b:56:44:27:fc:9c:58:87:ec:35:3e:a4:c1:fd:f2:70:c4:d3:eb:6c:0c:97:86:9a:f3:33:36:0c:fd:b2:f8
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate schoolboard.brookings.k12.sd.us
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for schoolboard.brookings.k12.sd.us
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 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
agendas.brookings.k12.sd.us
schoolboard.brookings.k12.sd.us
schoolboard.brookings.k12.sd.us
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Certificate
The complete raw certificate details for schoolboard.brookings.k12.sd.us in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFlTCCBH2gAwIBAgISA4f+KX3LjFmD7QNAvzSZPRY2MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMjcxNjMwMTZaFw0y MDAxMjUxNjMwMTZaMCoxKDAmBgNVBAMTH3NjaG9vbGJvYXJkLmJyb29raW5ncy5r MTIuc2QudXMwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDIxJTDOsn/ hZ3z2h3nqzYpe/DjR1ws44GYqCQYLy5TxOXYemnA9a90FL0XUs2ZbaVyNQa9syXy OH9483uBRts6/m/fH/JFLO3w/4VYIXOQ3zxTCrjMoYs82trdKhOkEIw/YjuF73bP 0rCsIv2ro1anGARKYhy1ABhziyG2OcIRwsCUt8QKCw4QOUo7bgJ6oCeBLsatLY1u ppNMAPQ4xH/ULAxzSfkL6W7wi1vxKjUZdDSGjbkBV5+pCsnd5uST9wY6wOrX6c7H /nt7JKjNGcx+4zXvAYHU/EzKKungUQ9jZ1+sMBdeX+wdgKhqLQs0IVYZvflmQo4N LXAdsv/NqZX5AgMBAAGjggKTMIICjzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFJU2 7cNyroLXL7Vikd79FGbS2ZBJMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/z qOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZy8wRwYDVR0RBEAwPoIbYWdlbmRhcy5icm9va2lu Z3MuazEyLnNkLnVzgh9zY2hvb2xib2FyZC5icm9va2luZ3MuazEyLnNkLnVzMEwG A1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEW Gmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBgYKKwYBBAHWeQIEAgSB9wSB 9ADyAHcAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFuDkS/pgAA BAMASDBGAiEAkz3mBdYGnSa5wYWGsfBPck0cPdssbri95mrPhz5RNAQCIQDMQCG8 fUJAhDUVEuX8+zV83wkKtBA87i0NAOznKsfz6wB3ALIeBcyLos2KIE6HZvkruYol IGdr2vpw57JJUy3vi5BeAAABbg5Ev5cAAAQDAEgwRgIhANJJ/4/I1DFnqOUPloX0 ZR3WxYqhakmg6WH4MhL4I1tMAiEA2O7QRvdCwGdtZ7hyx6fiHiQ5rHd9fXbPn4/w gDE0ZUIwDQYJKoZIhvcNAQELBQADggEBAI2ZRYpVHJpM6lT2cM7RrCgN5TDTn3dT WJ93anu+AArIckNhN1UdjnCdi+MaT80Z1DUPk+Bi/2B58dZNichU9U6Vnb/q2p/t D9UOnE54QajxGEwGyqgxw/a9XyrKOxNma4NFojDImYeiQv6SqBzh+6ghT4Bu5JRd KTZ/VDpfwxEEORjROdvv2bwuvIUjFBn0LpVaTEJvfDngG1B1DhpO1gmdWtmUscEL CnA9k1uCCDepCqA79MPwyCB0bIkGkFeDDzYkzjMzVTYmmkF3q7eKGb7cy61I7u/9 h3YHDPhjopYdaSHMIiL0ECPoY0fZ/3reVMqAWLMGosAg4uqNYIRVt+A= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyMSUwzrJ/4Wd89od56s2 KXvw40dcLOOBmKgkGC8uU8Tl2HppwPWvdBS9F1LNmW2lcjUGvbMl8jh/ePN7gUbb Ov5v3x/yRSzt8P+FWCFzkN88Uwq4zKGLPNra3SoTpBCMP2I7he92z9KwrCL9q6NW pxgESmIctQAYc4shtjnCEcLAlLfECgsOEDlKO24CeqAngS7GrS2NbqaTTAD0OMR/ 1CwMc0n5C+lu8Itb8So1GXQ0ho25AVefqQrJ3ebkk/cGOsDq1+nOx/57eySozRnM fuM17wGB1PxMyirp4FEPY2dfrDAXXl/sHYCoai0LNCFWGb35ZkKODS1wHbL/zamV +QIDAQAB -----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 307612816676135954632707126789867191473718 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [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 'US' . . . . . . . . . . . . [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 'Let's Encrypt' . . . . . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-27 16:30:16 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-25 16:30:16 +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 'schoolboard.brookings.k12.sd.us' . . . . . . . . [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 25344598748497946381407224287384213894419496165186449970732372230273523859838125698294073375670233748494297441455210562414865993284426059312989740666961502454517910469293923965012079083114285358231707956759061723621917255684156448087399056901168533144622444040065656626995914631476688612104174550484661013049463571088337230706665730117302225471694200137538860548066380014044569676037467219467076526237819159252302359668455037672663957573555854088370424519845906620645668123496871237525683143000528603326713135463798674570084497260734609424657251430533114156339392810705249642406773731690668148884660016443207321228793 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.37 (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 2.5.29.19 (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 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 9536edc372ae82d72fb56291defd1466d2d99049 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [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 (64 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'agendas.brookings.k12.sd.us' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'schoolboard.brookings.k12.sd.us' . . . . . . . . . . . . . . . . [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 (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f20077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e0e44bfa60000040300483046022100933de605d6069d26b9c18586b1f04f724d1c3ddb2c6eb8bde66acf873e513404022100cc4021bc7d424084351512e5fcfb357cdf090ab4103cee2d0d00ece72ac7f3eb007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e0e44bf970000040300483046022100d249ff8fc8d43167a8e50f9685f4651dd6c58aa16a49a0e961f83212f8235b4c022100d8eed046f742c0676d67b872c7a7e21e2439ac777d7d76cf9f8ff08031346542 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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