bubuntu.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4c:46:f8:95:a5:86:23:ad:4c:ed:44:e0:6a:bf:33:80:f9 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): 03:4c:46:f8:95:a5:86:23:ad:4c:ed:44:e0:6a:bf:33:80:f9
Serial Number (int): 287292654365791115792504017474912102088953
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ea:bd:b5:08:4a:b0:c3:ae:6b:e2:1f:44:76:81:2e:be:6a:e3:46:2c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 02:3c:df:1e:3b:51:48:91:b0:ca:48:d3:c9:e8:52:99:16:e1:7b:8e
Fingerprint (sha256): 0b:ea:44:0e:76:79:d6:6f:b6:f5:2c:b2:8f:69:27:fb:43:e8:7d:d4:38:b4:08:7d:7a:86:d9:ad:7c:f9:50:38

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-----
MIIFmDCCBICgAwIBAgISA0xG+JWlhiOtTO1E4Gq/M4D5MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDExMjcwOTUyNTRaFw0y
MTAyMjUwOTUyNTRaMBYxFDASBgNVBAMTC2J1YnVudHUubmV0MIIBIjANBgkqhkiG
9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0aJX8RK9KZYcN7rTZd/63VYOF29LHURWGNq5
Y/5jbAAgNgtfdgHsMVgXHsqoFZLYEsYzlLb3dAsHVxB/6bMNC1rkPd3W2PKXZ+7i
dyPjEKBrrqdc3L837mlFYDrfFXOJmDU0uQdQmT77RKD3l5laoN8DKl0v9ARa0kv3
JxHP/Z4tPQ/RzndZNpbwlBv7nsww5w0NyXkPjnnvM5frgQCCcwdL3O7njas27pLn
+Zv7pXgJ0OyvlYLkRSs2uMH1mIZhxP2wbRsvG5SQojCjGvTOYKAGDAPo4EMwqi9S
djS2asKYAnxSIo5tNXcgVeVyCcisipIHbrr1RrcOIX7eAUQouQIDAQABo4ICqjCC
AqYwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD
AjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTqvbUISrDDrmviH0R2gS6+auNGLDAf
BgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEw
LgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcw
LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcv
MGEGA1UdEQRaMFiCC2J1YnVudHUubmV0ghJleHBlcnQuYnVidW50dS5uZXSCEXJ1
Z2J5LmJ1YnVudHUubmV0ghF0b3Vsb3VzZS5lcGl0YS5mcoIPd3d3LmJ1YnVudHUu
bmV0MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYB
BQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIE
AgSB9ASB8QDvAHUAXNxDkv7mq0VEsV6a1FbmEDf71fpH3KFzlLJe5vbHDsoAAAF2
CVWfeQAABAMARjBEAiA1+Ylpw4RtXfxdcws7LD7un20ZzMXKrNv3fvSU3EXreAIg
dVM8LPWj8aSRn3vEUsuIhAd6xtz8bfE+rQWwbQdCerUAdgD2XJQv0XcwIhRUGAgw
lFaO400TGTO/3wwvIAvMTvFk4wAAAXYJVZ93AAAEAwBHMEUCIEGOYZ4thMosj5n4
rEmG7q/x2BiVF2FNQpvmX12Jx7gcAiEAnk4jpxGm7nCG7d63239EMKn5sMIDxkVw
hN0bDQcVICcwDQYJKoZIhvcNAQELBQADggEBAAnoM8zOIp4VDy4LPZdqfsulbP3I
iS+yk0ULEnusA3mLpP2sbdaTG5jeCw4wISmaHWtZL2AifUPbwIAzxQ5heEAHkHjQ
kOf5MnpPMI/AHfFsKU3h6pAmKOi4lMPAbT6xLx69mhKgij4Xun8nhcstM9N9WJdE
jLP2iLEW0keAucGTPWGXCoqWY9ZBh4HSyLuE4MgnLdxmHFUpuWmy9zWHWKoEROin
L1+Sm5hkZeQP9rnLrW8epAFPfXexT/T2duEAVBaJS8umbHUvfcTH5uxbSoFZzGud
xbQq2t4uYOdTmj7TI5J63bW+jJLDftRwAWT4udRuqVrXIVDk7VyaJwS6wVc=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0aJX8RK9KZYcN7rTZd/6
3VYOF29LHURWGNq5Y/5jbAAgNgtfdgHsMVgXHsqoFZLYEsYzlLb3dAsHVxB/6bMN
C1rkPd3W2PKXZ+7idyPjEKBrrqdc3L837mlFYDrfFXOJmDU0uQdQmT77RKD3l5la
oN8DKl0v9ARa0kv3JxHP/Z4tPQ/RzndZNpbwlBv7nsww5w0NyXkPjnnvM5frgQCC
cwdL3O7njas27pLn+Zv7pXgJ0OyvlYLkRSs2uMH1mIZhxP2wbRsvG5SQojCjGvTO
YKAGDAPo4EMwqi9SdjS2asKYAnxSIo5tNXcgVeVyCcisipIHbrr1RrcOIX7eAUQo
uQIDAQAB
-----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 287292654365791115792504017474912102088953
 . . . . . . . . [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 2020-11-27 09:52:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-02-25 09:52:54 +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 26463860312395226551153313443071630575839663498569491926970533759476770939125977283782290862257158040841011759152889055596765783521419590605947272046696793887749350781025085668002577993735908678914080113160018102417769893872532477042486220456988227361787892030400490291198304960432551586112041798082351550129457047472952460477075404397269193254810629954485023982442608619746929134500741362067471639763543089743968928748641008454462588060879294601381376700141985709564232514856887258418126414868386497439210750614251808854443254626478619920706707941207145157200182040801520846097811735733461242182002188061410263836857
 . . . . . . . . . . . . . . . . . . . . [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)
							eabdb5084ab0c3ae6be21f4476812ebe6ae3462c
 . . . . . . . . . . . . . . . . [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)
							00ef0075005cdc4392fee6ab4544b15e9ad456e61037fbd5fa47dca17394b25ee6f6c70eca0000017609559f790000040300463044022035f98969c3846d5dfc5d730b3b2c3eee9f6d19ccc5caacdbf77ef494dc45eb78022075533c2cf5a3f1a4919f7bc452cb8884077ac6dcfc6df13ead05b06d07427ab5007600f65c942fd1773022145418083094568ee34d131933bfdf0c2f200bcc4ef164e30000017609559f7700000403004730450220418e619e2d84ca2c8f99f8ac4986eeaff1d8189517614d429be65f5d89c7b81c0221009e4e23a711a6ee7086eddeb7db7f4430a9f9b0c203c6457084dd1b0d07152027
 . . . . [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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