bubuntu.net

Issued by R3

About this certificate

This digital certificate with serial number 03:01:51:cf:fa:79:c9:2b:eb:f6:ed:e8:ec:ed:87:c0:61:86 was issued on by Let's Encrypt.

With 5 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=bubuntu.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:01:51:cf:fa:79:c9:2b:eb:f6:ed:e8:ec:ed:87:c0:61:86
Serial Number (int): 261785887515561241460598477652138133578118
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 09:db:88:0e:44:24:e8:cb:4f:5e:10:51:f8:2c:3d:51:cb:56:3b:e9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c2:8c:77:ab:79:85:d4:49:83:a3:88:69:8c:e8:6c:93:3b:95:71:44
Fingerprint (sha256): 93:d6:c9:a5:f9:d3:7b:e9:38:c2:2b:23:b8:7b:a7:e8:c1:0f:a3:83:fc:25:3e:30:c5:59:05:0b:57:b4:4b:53

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

Revocation information

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

Check the revocation status for certificate bubuntu.net

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bubuntu.net

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

bubuntu.net
expert.bubuntu.net
rugby.bubuntu.net
toulouse.epita.fr
www.bubuntu.net

Other certificates including the domain name bubuntu.net

(limited to 100 certificates)
rugby.bubuntu.net
rugby.bubuntu.net
bubuntu.net
bubuntu.net
bubuntu.net
rugby.bubuntu.net
bubuntu.net
bubuntu.net
rugby.bubuntu.net
rugby.bubuntu.net
rugby.bubuntu.net
rugby.bubuntu.net
rugby.bubuntu.net
bubuntu.net
epita.bubuntu.net
epita.bubuntu.net
bubuntu.net
rugby.bubuntu.net
bubuntu.net
rugby.bubuntu.net
bubuntu.net
bubuntu.net
bubuntu.net
rugby.bubuntu.net
bubuntu.net
bubuntu.net
rugby.bubuntu.net
bubuntu.net
bubuntu.net
bubuntu.net
epita.bubuntu.net
bubuntu.net
bubuntu.net
rugby.bubuntu.net
bubuntu.net
bubuntu.net
ssh.bubuntu.net
cloud.bubuntu.net
rugby.bubuntu.net
rugby.bubuntu.net
bubuntu.net
rugby.bubuntu.net
rugby.bubuntu.net
bubuntu.net
bubuntu.net
epita.bubuntu.net
bubuntu.net
epita.bubuntu.net
epita.bubuntu.net
epita.bubuntu.net

Certificate

The complete raw certificate details for bubuntu.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqbTn/dwljbUMQnOOg97a
w7EvtZRtOLXbYC8NLQ9T5ddPFMVR7WYeo1asaTlr1ZeagnQSZRqePBhJdITOgMNU
gnjQW/bwD0KP++s6cdi9NHX3mRLqmbteQRXqfUIKGa8+V6UBPdjoQU2ufBSpjQcM
fmh2f9TOmJbReZZovIbRyl0kw2z15YndXJPpxQ1nc5hMW4q0P4ke5OtnfEbvzHdl
kCIApOz5UlTfWiMjB+ResF9YLCdZVK1YEg+PaJIRMzdTyI+T7YaJjmIpcitdHsyE
glNY1MLv2TG70Kb/jMlcZykxC2ii+3EFo+9acF2hIlNAuVaVejW0jVw02hxVe8AP
kwIDAQAB
-----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 261785887515561241460598477652138133578118
 . . . . . . . . [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 2021-01-26 12:28:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-04-26 12:28:11 +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 'bubuntu.net'
 . . . . . . . . [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 21423481719871346507178854225967212495694501322990444346379080657132715556532848017792084705674748520310403433789214041903667209724502055327216222965187187487045197040335775176965116658500265220814728577696533104179665240191794521885698170236979416742670818341449465265690921770508472452492353341356154668733788233353911302871775320523927370211151993808365580648524281203761062035975287277425767061717192769854740995997581092061863797508909604282105435374480572136018566724274584066664561489175447051264206993952121804126352952449333826714960372234275914858666587711119657481499973597543092470940425879404648861798291
 . . . . . . . . . . . . . . . . . . . . [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)
							09db880e4424e8cb4f5e1051f82c3d51cb563be9
 . . . . . . . . . . . . . . . . [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 (90 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bubuntu.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'expert.bubuntu.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rugby.bubuntu.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'toulouse.epita.fr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bubuntu.net'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076005cdc4392fee6ab4544b15e9ad456e61037fbd5fa47dca17394b25ee6f6c70eca000001773ee158530000040300473045022100ef1c1e783b64b7d702d84ecaae620ad6c4f2ca16fbf9fadf1255a5e1212d53c602205867ba04c0777f68fc92f30ad87c7b1128f3acb490332407e8c1c238075f372a007700f65c942fd1773022145418083094568ee34d131933bfdf0c2f200bcc4ef164e3000001773ee1585400000403004830460221009323f30d16de8825f6b248e40d069b1bcf0f453591df6d8a24be6f7a617cfc55022100f0840a13464f3a86d725fdce2d777d3e728046e18fa5960b5a3d967feed8b08d
 . . . . [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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