oakgrove.k12.ok.us

Issued by R3

About this certificate

This digital certificate with serial number 04:be:bb:e1:de:fb:1f:3d:28:3f:3c:7a:8e:16:9f:21:8a:b2 was issued on by Let's Encrypt.

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:
  • 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=oakgrove.k12.ok.us

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:be:bb:e1:de:fb:1f:3d:28:3f:3c:7a:8e:16:9f:21:8a:b2
Serial Number (int): 413352531866615113020578007889139304860338
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1e:fe:a2:11:57:2f:7e:20:36:eb:5f:ea:65:79:7f:f9:fb:95:04:01
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b5:56:10:94:b1:a1:70:21:39:da:1b:ff:42:2f:35:de:91:06:5f:e9
Fingerprint (sha256): 4c:de:17:d0:9b:83:b2:9d:ac:5a:08:56:cc:3c:d7:eb:ec:4d:97:5c:f6:8b:44:d3:05:34:9b:ae:d8:5e:86:a7

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate oakgrove.k12.ok.us

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for oakgrove.k12.ok.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

oakgrove.k12.ok.us

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webmail.oakgrove.k12.ok.us
oakgrove.k12.ok.us
oakgrove.k12.ok.us
aac.woccisd.net
webmail.oakgrove.k12.ok.us
webmail.oakgrove.k12.ok.us
www.oakgrove.k12.ok.us
oakgrove.k12.ok.us
webmail.oakgrove.k12.ok.us
webmail.oakgrove.k12.ok.us
www.butnerpublicschools.com
aac.woccisd.net
crestviewschool.org

Certificate

The complete raw certificate details for oakgrove.k12.ok.us in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6mWU9idC09g+V/rTv4NQ
GsU8stA0f3GpTMu5sXSBTU5DmKEVMJFjkRKvkM51pKvQnoKgxwP8tpPnsHTK8ZP6
Ukga06f3+ocg/F6VPZH5BbsgFzjk8KWdfg8wD2FSb2iuatD9C92+pBppRr4QrEFO
STI2n/moJqWIPtDZjUN4OxAs0x5y+oJ0kbg+KH5edjLzA/fu01jPMmJIs7AfJecf
/PJBrYJjPSU7swyVzXF3bN1tjM7lyHG1CTSaRyhbeqCMyaGnh62sIteM/3+OcD2S
IAhT5X8BFM4WiyKhzSylYZytvdHhsfJbEbXlptPqO7H3MTH9Wroc+Ugm8YFM6ktA
xwIDAQAB
-----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 413352531866615113020578007889139304860338
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-17 22:47:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-16 22:47:45 +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 'oakgrove.k12.ok.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 29589855254530326650383259337237916097980415084811644832177891145787989741716114816300005262992112845778375662406756806644412697659680651278287269118476178021921858163593241676892942126226411292449651003451846262514271684135964040092102313647038475418643267272022880804329818239442283152154723422440690079934480038792205893941872726119861459252660385799588724296222016304702085412451803188073285729790084079465136014591761866751245611674289494056382718927334487600394728269578412173062781356219700569283459357109579802973914687263860963293133533560022004593158332872480342537455132900762464215869665912398736849060039
 . . . . . . . . . . . . . . . . . . . . [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)
							1efea211572f7e2036eb5fea65797ff9fb950401
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oakgrove.k12.ok.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d19d2df670000040300483046022100b743dcde3a748a70f088b12dcfbae40c9d4f6b9f9780f97a42fda4a0eef69dea022100e5ae7bae1bb5ec3f5b7172d773f73ce55b761d3c1aa0766a8f5446b3251852a9007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d19d2df670000040300473045022010f3ab1c25a03909038e07a450e68dccec98614d24a44e6a94885d271a1956630221008b68e4f4d452a2242bc0729eaad235f0c697b76bd867356fade9acb8f46f59fc
 . . . . [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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