calhanschool.org

Issued by R3

About this certificate

This digital certificate with serial number 03:73:0b:5b:cb:25:84:ff:1a:32:52:a9:73:fb:07:71:e6:52 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=calhanschool.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:73:0b:5b:cb:25:84:ff:1a:32:52:a9:73:fb:07:71:e6:52
Serial Number (int): 300484428118458175957483034524645158151762
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 29:e2:0d:e0:bc:62:11:58:45:09:44:36:3f:47:2a:dd:a0:a8:f8:97
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9d:ce:33:77:fa:2c:35:b2:3b:b0:3d:9b:a1:30:c6:b5:21:5f:92:a9
Fingerprint (sha256): 6a:81:6b:3e:39:2c:f0:39:0d:b4:56:53:cb:19:6c:02:c8:10:9b:e2:d1:84:d0:1e:42:e7:00:82:95:c5:99:24

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

Revocation information

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

Check the revocation status for certificate calhanschool.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for calhanschool.org

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

calhanschool.org

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admin.centerpreschool.centerusd.org
admin.ourcommunityschool.org
colegiocipres.edu.mx
admin.casee.chebschools.org
sv.gvusd.k12.ca.us
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acatitlan.edu.mx
nhstitans.org
www.slcd.org
admin.centerpreschool.centerusd.org
admin.ptcbus.org
admin.3rcs.org
polkdhsd7.district7.net
frayluisdeleon.edu.mx
admin.kit.mynhusd.org
admin.aghseagles.org
calhanschool.org
calhanschool.org
school.sjnewhaven.org
admin.fcue.franklincountyschoolsms.com
memphiseast.com
acatitlan.edu.mx
admin.3rcs.org
admin.da.nksd.net
admin.aghseagles.org
admin.aghseagles.org
admin.3rcs.org
admin.aghseagles.org
calhanschool.org
admin.calhanschool.org
admin.3rcs.org
calhanschool.org
www.aghseagles.org
admin.ealas.org
calhanschool.org
www.ebcacademy.com
admin.3rcs.org
admin.centerpreschool.centerusd.org
admin.centerpreschool.centerusd.org
admin.aghseagles.org
admin.3rcs.org
admin.gsdacademy.com
usj.dcsedu.com
admin.3rcs.org
admin.aghseagles.org
calhanschool.org
www.district7.net
calhanschool.org
sea.mynhusd.org
admin.sl.nksd.net
calhanschool.org
www.dormanhigh.org
admin.mynhusd.org
lshigh.org
sedi.edu.mx
admin.adulted.luciamarschools.org
acatitlan.edu.mx
admin.casee.chebschools.org
acatitlan.edu.mx
www.wayne.k12.ok.us
calhanschool.org
alio.calhanschool.org
www.mwschool.org
fcue.franklincountyschoolsms.com
admin.calhanschool.org
admin.aghseagles.org
admin.aghseagles.org
acatitlan.edu.mx
admin.calhanschool.org
admin.aghseagles.org
admin.calhanschool.org
admin.calhanschool.org
wes.gvusd.k12.ca.us
admin.franklincountyschoolsms.com
web.preparatorialasalle.edu.mx
ms127.org

Certificate

The complete raw certificate details for calhanschool.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+xiaW8ufjv0aJIEiczsI
OLsqAmvly9DhI1VZj6YQUZ2fX++CmW4KcQl8DOv8MrgM+wXFrz3O+4hFtMv73TtK
RMIOTelozWh/SAE9sAZrZkk442B6PZLbycpv8WBu+6aMezAz1thoCDOhGt2vO6s3
RdSP0xPpNkZtcKtn7ub6sWpX0ETRvHNxfSWS8EOznKGbTuYXrdBAifz69siZ6rvw
dFvw7EjFK8VRqVZcJ+krvPPMYFFALAJ47xCQqqN6vf15CbeQpl3GFHlxW1mfXNy+
RHtmonmPoM+0zc1bvip5o+6qeYr/gqYquQAH3MGgq7GKbcexEihLRYp9kvEIFOYD
rwIDAQAB
-----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 300484428118458175957483034524645158151762
 . . . . . . . . [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 2023-11-21 22:24:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-19 22:24:25 +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 'calhanschool.org'
 . . . . . . . . [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 31697946719800366756993887328138094150729971709343049808023369619855075327291207871928181967013904476637123465304291394184952471794121868601826597613094870970702604361818930357979486805386557771845481882414132876755719220694253411568832924227215931704410603054848756078758573677728110739870421476879936200919897625973822760242883586412966139277514428214691863946055206717539688636432970652296116415347028554509854946499858117770990287159177605710100874625401828142169053661879788836330043857160267300739343070407330118662102028095463902326376176468590315263763475582600941096728996056010718890012807233363517819454383
 . . . . . . . . . . . . . . . . . . . . [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)
							29e20de0bc621158450944363f472adda0a8f897
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'calhanschool.org'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bf43307b200000403004730450220258f08e12cad7128c70f927e4bdfac761a1de59513ad9b098c807e182ec167ed022100b495c32089df4aea35fa9642756b6cc4722d432f01437afb6be3568c71fcd1150075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bf43309b1000004030046304402202839724fd189ebaa83fb747e2e541c22bdc3339843715d7f02dc10d560c3231102202eed07f9978a084077a13671362adb077bcdd6afbd501331dd8e4e2340062280
 . . . . [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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