pedagogical.org

Issued by R3

About this certificate

This digital certificate with serial number 04:8e:6c:49:26:87:11:4b:50:5c:2b:51:25:1e:bb:49:cf:16 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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 will expire on

Certificate Details

Serial Number (hex): 04:8e:6c:49:26:87:11:4b:50:5c:2b:51:25:1e:bb:49:cf:16
Serial Number (int): 396913176272462411527267422203848012975894
Serial Number lenght: 139 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): 36:c6:e6:78:4d:c2:54:ea:52:73:13:d0:55:e1:8f:8e:3d:2b:74:ad
Fingerprint (sha256): 5c:24:bd:7a:c9:13:87:33:11:a7:64:57:e0:b4:9d:ec:9f:61:39:0a:b1:f6:d5:3a:37:2e:87:63:49:81:09:ef

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 396913176272462411527267422203848012975894
 . . . . . . . . [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 2024-06-06 15:42:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-09-04 15:42:04 +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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018fee6dd084000004030046304402203283ee6307dfd9147f9411812f34b593ebd87b2bae6c0e444a0b9d4419a7bb100220798dd5eb1a6eba2df894bf726e2d9491a0acbd5e50186a355ab31ed3e7342ecf0076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018fee6dd0820000040300473045022100fbd14420769810de362d122633d57da67e148d5f3a0c059530f87dda8eb17a560220376ab8a99070195dd759dfec8896d208fabcf40ee8994d0f0d5cc942e4e9e9ea
 . . . . [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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