bristow.k12.ok.us

Issued by R3

About this certificate

This digital certificate with serial number 04:59:ab:a6:f6:3f:90:8c:9d:be:83:ee:f4:13:55:e3:17:fe 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=bristow.k12.ok.us

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:59:ab:a6:f6:3f:90:8c:9d:be:83:ee:f4:13:55:e3:17:fe
Serial Number (int): 378962439286071119803053348427420942931966
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 97:12:97:0a:90:e3:b0:41:dd:5f:5f:81:2f:e2:66:fb:f8:44:ba:d0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ed:1d:8d:66:58:40:10:b1:99:7b:eb:7e:11:59:e6:8e:5a:79:2f:69
Fingerprint (sha256): 8b:1b:4d:17:52:93:23:17:5e:9d:13:69:d4:2c:1f:29:33:94:36:03:f7:58:c1:1e:47:b0:e6:4c:cb:9f:06:5a

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

Revocation information

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

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

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bristow.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

bristow.k12.ok.us

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Certificate

The complete raw certificate details for bristow.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwcOr2Me4eTSr5GrtRRlT
XP17k00bZ2Ow6EWbv2NDmbJJtQ52zp+ELb+0jzJsWcKSLlVfRQB2i8C0L1fy6kl6
M58aTtT+VgCAFY5PDm6FQ9XdSMsg6Vqu58Hvo+Ktea9JbsxRsJ4aXOzl37BhY4m1
7oXR9rrdE9d6pWuNCtEsFYDiWcamT5MLPNfINU4UohLEiIfIurGMVq2GhJ8a0gkB
dYeCSUNs6kdmoa+UWzj80liROFMMl0AoaKQnOcAWBbLW+h1zqDyZEm4fegwdBBSy
K4dHLRU1VFAzfy3+QoNVNZ5NX+tMuo4Kg2SBi83qKzVpI+THuwW1MuzvC3w0SmtS
VQIDAQAB
-----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 378962439286071119803053348427420942931966
 . . . . . . . . [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 2023-09-18 22:40:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-17 22:40:43 +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 'bristow.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 24460481961115561617375226858953129942263823919027729927418175315968140112110687547926436802225931820117656699498591048736048299046408891484749729356692896115929766540073625406457008945886112127132240926381202354363568925414581652424246883577280061369827611943822894064288494989971064131176904749209288077551568684603748225871991277427792144517428573733718975501686306951615055886979128677341491787609638222709837689720344458746004579077250903661859656154218272775154092598782292764970926047082834581433887498332219916471825154239643973624676327571670778390462053268387949026176289596969065933083245886661118776791637
 . . . . . . . . . . . . . . . . . . . . [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)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:23|false]  
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bristow.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018aaaaaf51000000403004730450220387cdaa4ff6c06271ed215996b8facd19bccc1ce1844cb5b7ca7f01ebc4460c20221008c5fe3edc6896712888426c817c52e6bffba9d001343e253f9b410f13657874e007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018aaaaaf50d0000040300473045022028fa4a064321c1967bcb81150f2e4bac76bbc378fa2af47c723156d07766ff1f0221009a580555d547cc2960a6f899436db18449e164d2420e63ba6d42f40036d24cc7
 . . . . [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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