pedagogical.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a5:da:84:62:7c:09:8c:49:b8:72:f1:2a:47:7c:b5:db:b3 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=pedagogical.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a5:da:84:62:7c:09:8c:49:b8:72:f1:2a:47:7c:b5:db:b3
Serial Number (int): 317773907421005412941339358867352263711667
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d8:68:e3:bb:f5:a1:7d:b2:c3:39:8a:65:49:ef:44:15:d4:c4:cb:99
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 39:f9:07:2e:bb:c2:29:b6:e8:39:66:d9:a3:c7:0c:df:d3:24:16:26
Fingerprint (sha256): 90:87:8c:db:39:74:2e:c1:16:8a:34:4c:0a:2e:16:31:71:fa:27:99:25:25:c4:fc:04:10:97:8a:18:e9:31:4f

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate pedagogical.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for pedagogical.org

Public Key Algorithm

RSA

Key Size

4096

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

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-----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-----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 317773907421005412941339358867352263711667
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-26 17:03:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-24 17:03:45 +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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 951710559605304655858705236092556451755998494217061600770446575753679210811290825210973217900628829411892485951603470551407704061691881847116690263729869423840107074095307584281106647363273683732267211750323616192381135906367140381534469533951686410661162706418084480342291625242277286869877022123744406447435843070094102885744288933884758192155490097258226849669798427812253634702541840361666643910742439873148771592229210910129926024105423194298954889590544942109445476779619379132872974347898379400300301780455076210070490236343460508379796555660225322537375868891776189542887266639575631291880060720228369547270106751614493509926976455780752147028216259961895125637514275055724508735189165172783941300658802775979204482407238950001524947185644762561526023418137809271236823477628824985627191870567901426641467950024896501807678718125554902582489800463631490582865536696486873083046837218684880872136483697044719249832875801904976448958538088679914029042731203948930761904989653610647345551258734540196196916842449949509998074537342520134010110030594796617530020702441193743436844020304617367843856302329200383725913684176478067462576800260020629525681879241495030187254833905225059902574302875290543560492117964288402768470456161
 . . . . . . . . . . . . . . . . . . . . [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)
							d868e3bbf5a17db2c3398a6549ef4415d4c4cb99
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c2f73fac900000403004730450221009a4d24bac7df4e0f63863ffc32f764b3a01691490504cfdfbbc16a9a8b26919502206d39c77946974d4ede526805ceed50e247b9ab8dbf1403de794d3aae167cf84500760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c2f73f8f200000403004730450220395fab01e631970eeac078de17fe0f918ad724a96f22cd306bede2c3490c965b022100a33d48d436e89d6497b2d8d8a1c915bb6263469d2b2e672754d26180155899fe
 . . . . [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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