bubuntu.net

Issued by R3

About this certificate

This digital certificate with serial number 03:c8:32:91:c3:4c:1b:f6:04:f7:93:f8:b4:26:e2:68:83:6d 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:
  • 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=bubuntu.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c8:32:91:c3:4c:1b:f6:04:f7:93:f8:b4:26:e2:68:83:6d
Serial Number (int): 329460549423402032553831045299271010648941
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 21:bd:5e:2b:0e:b6:b5:7c:88:96:fb:26:a0:4e:ce:31:ac:28:5d:62
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7c:e2:67:62:f8:20:d8:30:41:3a:db:62:f9:d1:13:58:94:b9:b2:5d
Fingerprint (sha256): 38:08:42:d7:a7:b6:dc:0d:ee:31:7e:c4:1f:87:d4:ed:e2:2c:a9:8e:ba:ab:d6:7c:69:42:15:07:46:a3:63:f2

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

1

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

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu7h8hB/x6yzg+ASL0Xwo
B/ySTGWpyfxaD6kPBZ9z+N5pUrxO59ajDKkNhIqDu5zgVCttG+eZrKZGalaHZ3Sr
gzmCzrGORb8+BE1rHDa0YHa7u4hhPCetm+8plQpGMjXgtyy3NKBo94JgdEyuVqf0
cQH5KFVwQW7VMPZ7S0i0R9zCVXIWjcZjNfLKNd/uKD+yAvgZ1xglJnAqPd79xTIQ
kzVY+imzKdSoIjZQXf0Cq8g169shbpgTOnOQHebv2GzrC741X7gCjN/wKzV5fx3P
MRzQCRk0KBa3cUX36/PVBbvZ7mN+aw8P2aKh3M5zABbwIR5gYWaYnNtoibd4F36S
nQIDAQAB
-----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 329460549423402032553831045299271010648941
 . . . . . . . . [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 2023-12-24 17:49:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-23 17:49:05 +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 23697536658720358277131139309155709887036853296447505901519251453405972488235909572457162030064778146207279872947335634708361730210667825663342698791056840858928317144502954190200051208904454149433376784101864782845355748075505760899223293721933393203016091242332387767775638801659570963264990772111196745661001635471493565917379932912261468395391513567665725495681059698027859698804308401392382449467729311731315259432120358775768380992782431378478347120350728192955146739568062465062301617755414620081839179547506995584895455565547065566373322784842525896428376457699449911755878320071851423906495963528279722201757
 . . . . . . . . . . . . . . . . . . . . [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)
							21bd5e2b0eb6b57c8896fb26a04ece31ac285d62
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c9d28ce04000004030046304402207249282f73d5ee9b2ddec258d9e41c4a65467f3aea0114fe61ec697ddbdc4c7b02200aa0d6571936daaf6875c14982bea43f2e7281653ec9a163dc12c7e4ec0ee4b700750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c9d28ce94000004030046304402201e8aa7fcee815d4b99f1eb69fb60e66ceab865486b47c5a39c66379820229be80220741759f9c94ada865dd42042266ec8484cfe87f97619c04dd7a64f8061dffd14
 . . . . [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)
		007949447bb15a2c1a345df393ed7407ce798161101ba8075ead12bf82d4bf7394ffe7a69950278c8f496d386e80f7e163963da4d0dc2b52d96fbc4909cb3d1987ccaa250050ba8d26158b15b4af1e67ba29a36c30406824accad3a3229ebacfc747c862a7147b8bacec386d3930688abc85529c2e545f418758f9ae2c50b0e3f1698d84f60a83d95f1c0efb6b3ab6adcb1b498785d1a64bbcc1ffaced6e2cb03ce838e13a592145626808944735ab7f88bfdc15af09f902a1a328c1b7b15f64eff53980d85e8357b414825b935c4626e24c34185c8260a7a8ed51d724631f7b1b8d66913b221a4b53eaa1179aa188350bc9555358ea9c8ee2595bc7f480bc6d7a