crispschools.org

Issued by R3

About this certificate

This digital certificate with serial number 03:2e:64:5d:cc:7b:ba:66:4e:2a:52:8a:75:f0:4e:97:cc:8c 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=crispschools.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:2e:64:5d:cc:7b:ba:66:4e:2a:52:8a:75:f0:4e:97:cc:8c
Serial Number (int): 277123256504244555611027711986710768766092
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b2:c0:0f:0c:77:1c:d5:59:74:c2:98:ad:1b:ce:64:d2:43:a5:08:f2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a7:e4:70:34:19:a5:6d:a7:c5:0d:6e:e7:b9:e8:2c:19:ab:97:66:62
Fingerprint (sha256): 42:fc:6f:f0:23:f4:51:2e:65:96:10:e4:67:b0:74:33:1f:4d:9d:f4:05:17:78:5e:0a:76:46:c3:df:1b:8d:f2

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

Revocation information

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

Check the revocation status for certificate crispschools.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for crispschools.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

crispschools.org

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoBHvKqjPVERIWMsGXkrR
NHjXvci8lv03SCKYbQOBleOhqrtBXN47UgyUAih9NeSH/8h5PDCk83QekYn5PZ5/
f2SEo3IQFl8h5ZfN/H6P2UdfcSbvqDLHzg62ZeyaWWK6Qm45adxvdCwEjjzS/TOm
iBD9Q8zC3V+6Y7QKK6KVG7nd+KAZfhhEQp/75IAPGQThnv8B64/zQooUYQLeVuX0
ql1ovj42x7PsVQ5I/dLXM6VY2f8qpSAci2Ep1RA8uHZ3CmnihO8pyxZZlN/LYbVG
qbkWUYSzXYG7q2NG8hDYMknIumR8rHZR9rVxhVPLRQm4gcfrl5BIrZScjh3zfrRJ
YQIDAQAB
-----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 277123256504244555611027711986710768766092
 . . . . . . . . [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 2022-11-07 22:18:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-02-05 22:18:11 +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 'crispschools.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 20206972500231001344398365799955897052570045244819437738415248546569896426752539991026295318857346353517944475128040494499683491385616816987041444638927184566221885494058373721508085225502443752717568563559125770444771990229379392874746950468480119910575130775323503437934641372214142134092321207674369727666064248255837841866583926542473123723903154180660218873198083788489991887530854906518520755185872299536025384247308489636225972865856599097169935591514923405696660317280789553235424991519152546738133586053245068770733590528656485140480035098123106718919660249646378492967992787153502069332570603945907994249569
 . . . . . . . . . . . . . . . . . . . . [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)
							b2c00f0c771cd55974c298ad1bce64d243a508f2
 . . . . . . . . . . . . . . . . [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 'crispschools.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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018454631d970000040300473045022100855195dd13ff97d1a2675e574ae3cda1507cd7fd9925d5a4e40827a625cc6e4a022007e5fb06c57915c0cbadd790b920b7bbb2424a3fb767f7a3f2e4279c66cac72f0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018454631daa0000040300473045022034f665db3e93f852146d556a10bc0f24ede9f940eb029ddf3520db1df4094504022100d21bc51bb3eb5a7b000c5cbf4faf8b276bbb4fd07980683df228dae6eeff98bd
 . . . . [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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