calhanschool.org

Issued by R3

About this certificate

This digital certificate with serial number 03:cc:b7:70:26:07:80:0e:49:4d:a6:89:49:d0:d0:89:4c:44 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:cc:b7:70:26:07:80:0e:49:4d:a6:89:49:d0:d0:89:4c:44
Serial Number (int): 330998291678954775420582996525057493781572
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3f:66:9d:fe:66:7c:68:66:91:3b:a7:b3:34:38:d2:05:c9:f4:cd:75
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d7:ce:1e:be:94:1a:cc:f8:4c:4a:53:2b:01:f0:e5:8a:dc:8a:3d:88
Fingerprint (sha256): 98:15:a4:15:76:71:41:03:03:42:d8:47:ee:ac:84:f2:ec:92:f9:05:bc:67:5e:8d:80:90:09:93:cb:aa:ab:8b

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqRkWON7wbjnnaAt6X3Jj
+lInCHGAfWEbpq20Z4O14S4sMWoNZOi2KTnpW4BdNGJJDkpKwfwyRDbxpMLnc9mH
YY7NfS4zle39PxtgTBjhYdy6ftZ6T9VYLiqQEaxKQnPw7E+sPp4lsTgGZ8tp6wDN
nIw914BuXmajFPFcIq07TJnI8S5TS6/vXBQVzpO5wPC3j7POsa3T7mLP/5ykNLTD
kCjtacS5cS0NOm1Ugm4K8NyG2s9RjGqWQC0Fvm090jYwkrNTVYFJM6UiqVc4HQ7p
AM722hSirpNX6FVHAJ3PS9xOniEcC7d6iwdCB8fB0bgXFRdm/krx7DrgVpiPyVtm
1QIDAQAB
-----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 330998291678954775420582996525057493781572
 . . . . . . . . [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 2024-02-10 02:14:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-10 02:14:31 +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 21346644304012387801673989389671814489463574575511459056889393733411792257844550732683197733998541903592920521204754482233843272444206274251598119698552897678463420898734873882657493751406649416312387600005438341530446613347807865588208372268824008773057565981052260249235600189423796746231348239480332347189882607874440175616119845217808005085304080096231688960133122728324348157421684109345819313972190365419541852065908626146130214068534394246545064177216817646285938169379109981238776828957864006157415568389037912215033043628859263200838504459877086936317646826015669453506639729520410577248810707291714090657493
 . . . . . . . . . . . . . . . . . . . . [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)
							3f669dfe667c6866913ba7b33438d205c9f4cd75
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d9102717a00000403004830460221008d47adeb404a8b5f5dc59014a447e4da7f255a7136d860c247976d8e98218264022100ed019a2ea524c18d06d78a2953fd59eadc58b51817a15523eb38e9073698731e00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d910271be00000403004730450220315b4820327c095d9b08f0ff70d994c0ed8c69a6f8c08e22b6719fee1cc8eb87022100da7a012526f7c49ea664c97215db2bfc4d3cc082f06b7dc93c2af1d3abbe9676
 . . . . [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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