bubuntu.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:1d:18:5d:f4:61:85:91:18:c9:44:f3:08:f8:6e:b1:c4:c3 was issued on by Let's Encrypt.
With 2 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): 03:1d:18:5d:f4:61:85:91:18:c9:44:f3:08:f8:6e:b1:c4:c3Serial Number (int): 271237435748129049072719573506162542363843
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 29:ae:ac:52:20:33:3d:bb:97:ee:fe:6d:a0:86:5d:5d:df:8f:96:d4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 39:a0:d2:51:ba:1e:88:40:14:5a:c6:3d:77:2f:77:c1:84:cb:09:e4
Fingerprint (sha256): 90:13:b7:0d:f7:4e:c1:7a:4c:c3:73:4b:bb:4d:5e:b5:e1:96:f1:22:08:e3:cc:c0:3d:99:da:09:72:2f:49:97
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate bubuntu.net
2
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
www.bubuntu.net
www.bubuntu.net
Other certificates including the domain name bubuntu.net
(limited to 100 certificates)
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epita.bubuntu.net
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epita.bubuntu.net
Certificate
The complete raw certificate details for bubuntu.net in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFXjCCBEagAwIBAgISAx0YXfRhhZEYyUTzCPhuscTDMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA3MDQxNDA4MDNaFw0x OTEwMDIxNDA4MDNaMBYxFDASBgNVBAMTC2J1YnVudHUubmV0MIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4/F9TkGOrE2PuN1ycSWDZgV6y/0qKFjtEifR CwJbx2+jmmeW8XAWShWqTlwwH3b3PrihfLoooCN7AA5Y1wtQnRRoexf8AJhY+uc9 koSzbQcFJ6NUaZsSOtPKl0im3g7QPdyt28l1Xyebh7dj0YJOJ92Uo5N6He62Aw80 3L7fSFZWXR+8iP/v4ekrXvs+RJVChcFL8rqaGQOuKwXnSfEQmxFaKc8zBlrK0kf1 Xq2vPTSA1Dr13Aif+t7ZI9wzZS2p9HKeu4a3FS7iv2DqjWay0XGQbdsffOWcME2/ K2cAdC3N+BPC5umuHcoDUvm2y3AVA1UpyT5PMjTabpL6BOeiQwIDAQABo4ICcDCC AmwwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD AjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQprqxSIDM9u5fu/m2ghl1d34+W1DAf BgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEw LgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcw LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcv MCcGA1UdEQQgMB6CC2J1YnVudHUubmV0gg93d3cuYnVidW50dS5uZXQwTAYDVR0g BEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0 cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHxAO8A dgBvU3asMfAxGdiZAKRRFf93FRwR2QLBACkGjbIImjfZEwAAAWu9hzXuAAAEAwBH MEUCIBSXbHnBrq/JL7IzU2iB5uwS3W67Hre0W62Oogo40pa1AiEA8fFSfjobEDrG 3/P4cstB3GHwskIOabsaRO0sC+jlSekAdQBj8tvN6DvMLM8LcoQnV2szpI1hd4+9 daY4scdoVEvYjQAAAWu9hzdHAAAEAwBGMEQCIAgmbNgZ8KLWdB1vGN7ATSpc5u/5 dv3Zd7vsco/B095xAiBESGWTxEk/9HxQ+SFgPr4QmhgoUIxikW++Ph4LXE4uIjAN BgkqhkiG9w0BAQsFAAOCAQEADTbtHdEG9Rp1cXw7pksK0U95/YWgmvCS5ls/ZOuf 3KRDZS6oApOfPL/wRmo+KY/Ma4U6oLgATJEy2ewkrhja8EcgO5WyEOa26RV0mDyp IPbCDJ0IPzpdWEMsGb5Ssoef7ah3nrVGnZ8mGCn8fHzMpIxEu50VFl8F4EAeNgvR +eQgomR+CZICJEhRxAh6At4eGANYy/cEoul15Y95+At+C8YE4c6KEuknh4EzYCWA YEsGjc69E97KZR7+d5kSiUJvXbMAwDSBVIqsGNeX7Fe7x1Zp69p5sqZes74hoX/l Tn8lVIbfuD35m2UEe+tRQcH62xGFEfKbpz8W71nkuUoWoA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4/F9TkGOrE2PuN1ycSWD ZgV6y/0qKFjtEifRCwJbx2+jmmeW8XAWShWqTlwwH3b3PrihfLoooCN7AA5Y1wtQ nRRoexf8AJhY+uc9koSzbQcFJ6NUaZsSOtPKl0im3g7QPdyt28l1Xyebh7dj0YJO J92Uo5N6He62Aw803L7fSFZWXR+8iP/v4ekrXvs+RJVChcFL8rqaGQOuKwXnSfEQ mxFaKc8zBlrK0kf1Xq2vPTSA1Dr13Aif+t7ZI9wzZS2p9HKeu4a3FS7iv2DqjWay 0XGQbdsffOWcME2/K2cAdC3N+BPC5umuHcoDUvm2y3AVA1UpyT5PMjTabpL6BOei QwIDAQAB -----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 271237435748129049072719573506162542363843 . . . . . . . . [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 2019-07-04 14:08:03 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-02 14:08:03 +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 28775178125867383982713531574254091021706234040543913418079688683962874188518204359493720350659443686919391475442519665518608539989275164170567159159413110124600289034964916444110681247764394319399754451569533912540106445978679533463421533896980655646515428757505731552624627654053714551909315991362597245611878580540600624599936536163228748599047251731433057049250171140025530716403716243878457524688227131316986270431875042646643412416724767596808321511854387761238414516084023368122230396977844041876528257274761729399566614409870866058500446749744498632366358679501392649361400534502001594185022402320348842795587 . . . . . . . . . . . . . . . . . . . . [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) 29aeac5220333dbb97eefe6da0865d5ddf8f96d4 . . . . . . . . . . . . . . . . [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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bubuntu.net' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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) 00ef0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016bbd8735ee0000040300473045022014976c79c1aeafc92fb233536881e6ec12dd6ebb1eb7b45bad8ea20a38d296b5022100f1f1527e3a1b103ac6dff3f872cb41dc61f0b2420e69bb1a44ed2c0be8e549e900750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016bbd8737470000040300463044022008266cd819f0a2d6741d6f18dec04d2a5ce6eff976fdd977bbec728fc1d3de71022044486593c4493ff47c50f921603ebe109a1828508c62916fbe3e1e0b5c4e2e22 . . . . [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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