pedagogical.org

Issued by R3

About this certificate

This digital certificate with serial number 03:cb:6a:13:8f:38:9e:04:11:c2:86:2b:2a:f5:2a:38:f5:94 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=pedagogical.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cb:6a:13:8f:38:9e:04:11:c2:86:2b:2a:f5:2a:38:f5:94
Serial Number (int): 330555178006295015241300780380478680659348
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9b:d3:32:d0:53:08:49:79:3c:d6:bd:fe:37:9a:59:26:69:91:27:d6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 5e:75:8f:5d:11:00:eb:57:8f:23:8b:7e:69:55:cd:c6:b9:f0:63:46
Fingerprint (sha256): 73:e4:25:39:1e:c8:98:50:12:f4:8c:23:a8:6e:73:97:1b:37:fb:94:11:e9:0d:a7:39:49:c9:67:59:3f:1f:4b

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

Revocation information

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

Check the revocation status for certificate pedagogical.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for pedagogical.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

*.pedagogical.org
pedagogical.org

Other certificates including the domain name pedagogical.org

(limited to 100 certificates)
pedagogical.org
pedagogical.org
pedagogical.org
pedagogical.org
pedagogical.org

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6R1aRLAsNO92HLTvw3VD
BH0BP4PemSW+TfuHWBQhYOqZwQPWSpSy7ot+I4d1aMRwYS9GpkUierkb+oJIQaLO
RlBlkKr6bFyGpk/fvVgAeG4+5sWjSpoCvWEOF037cTYuaGOqTwBibjP0/9FAcjuc
pMMsSYVy9uWjKrq81k8Lggb/wTsmnI0Tbnr7G8CpDtCayj5Low2ZuvMkU+amqba7
3NIbnrH4gqe6HfXfrh4wUq+PjFjM/7UIqn/KeGwfVTU2yRX2Oyr3SMUgFnfcJ+Mn
6xAzxbGxpiE/qU+kWu55NZhlxXRprIl4K6hA8zLooC0DM6gASXDxcMngk7dg4tbX
BwIDAQAB
-----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 330555178006295015241300780380478680659348
 . . . . . . . . [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 2024-02-07 01:21:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-07 01:21:06 +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 'pedagogical.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 29427999368842700179933782752999441219665638801048220774261032338521789976399945838708700640254566538947444052036565846021211177240483365415055200836681161297848561380536602742262309269792616092073313474252586565364764076047622019708450773137525424304812770568755357278033747131729099540987083436264419517867867711490312689830089858769340642322314632369234978229266300043238963824951728681325161483420548723014983955822484791207014301733429339793282520110546346642931376376473620086341752582607180987563342091954534319586491450517007461409997843609879791575996494078216417411941843787704445817665378196487951948896007
 . . . . . . . . . . . . . . . . . . . . [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)
							9bd332d0530849793cd6bdfe379a5926699127d6
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.pedagogical.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pedagogical.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)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d815e73a90000040300473045022100f52426bc3ba3265f8290030d2c47bee4422424a919e35a91883d889216b8e2e702206c8089c72928c9158ac716bf964228344cc3ba0ff9f5742bfb038e8b58bea3860077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d815e73af00000403004830460221009a1f1b8fb9a59ce9d3dd8105bc0d0ef07e0498e02773eda0acf4320a43490628022100bbc99c351c8f908331f766a249023177f64a98bad7aae0d7b06d79f1fe54bf84
 . . . . [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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