bubuntu.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:bc:75:dd:06:2f:94:3d:78:07:1d:31:49:ce:8e:6d:0b:3e 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): 04:bc:75:dd:06:2f:94:3d:78:07:1d:31:49:ce:8e:6d:0b:3e
Serial Number (int): 412578896006754048424469885542701481134910
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 29:5d:31:8e:2e:7f:98:ac:00:59:e1:3f:21:e7:a0:ab:b2:00:4d:b6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 47:29:4e:09:5a:bd:f3:d3:69:cf:bb:e7:ac:47:86:e4:72:f1:9b:f1
Fingerprint (sha256): 89:24:f0:ab:df:76:b4:23:45:ee:6e:bb:21:a6:4d:e0:ad:4c:62:d2:79:5e:5f:1b:e0:13:99:25:c9:21:0b:34

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 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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyhK6WFHLvAMbqGhtce+g
ZgdAHsRbK1hTeQxpYBe0NfjdSvxLR1DTe7hPWHhrV4NS6pzJDdP+FHoBlmTEwDFT
nZJGDAgHE0MbhN1+ZSFrb5nlv+7JK5avbmAMMCuI5+7ahRO5elklRS4vAGdrIHlO
aqeOCS2RTbzAzge1pwTyTuDGSsImK+3/QZmf6hVtAQvfOZo2BekMJfpi1+g9ZmkG
6nhRbQZ3dfUxdO/9SSSFj0JRJjmYhaafNxp6ewhsVTR2eZyxPA75Z0q+wK8xPWU9
cDwi+qIlZHH5Cg8tHUmZH6mPCg8ntUlBZHbrSCbnzI6q0ZE0EodHW0rXSUAXI+Wi
TwIDAQAB
-----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 412578896006754048424469885542701481134910
 . . . . . . . . [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 2020-03-31 08:57:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-29 08:57:20 +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 25509372679834261181630958328968196506069456945605946086470347822611703846970983872475160367224988516259582585112690340895092878284486146749921559941290325645163613533349024482654995750176998097823694870308719888087992161187201924943882687446984536117517256474700709046014631284609946587050253601775526527199142153934697734067180142657932950746229654332461736703220339353685011555521026717774750014838641513432896032629914496040669236129126214645600408727905084543244377435962712386286818039513631069855010651573278407302947047072954056182684778293635021490240888030462288983854186215680689374937353855606739467346511
 . . . . . . . . . . . . . . . . . . . . [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)
							295d318e2e7f98ac0059e13f21e7a0abb2004db6
 . . . . . . . . . . . . . . . . [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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001713006226a0000040300473045022100cd3226e62aa1d378266dee20a015593074fc61ac83dfb0124d2d5ab87f07e3b202204f7e72f635d8647949ee5d25f342322747958a36c2703ebf43f8c068a9ecd745007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017130062261000004030046304402201d78386282a1cb4459d94ea842e0ea6319b72f12c67f6ff0d7ee87c23e37df8a02201a4ec0c3adc7eccd05cad4d8833b106b1326d46fda470f4a022876446e892ae6
 . . . . [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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