ubuntuforums.org

Issued by R3

About this certificate

This digital certificate with serial number 04:27:c1:1d:f1:05:99:f1:72:d5:98:95:b0:d7:3e:ee:4e:6a was issued on by Let's Encrypt.

With 3 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:
  • 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=ubuntuforums.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:27:c1:1d:f1:05:99:f1:72:d5:98:95:b0:d7:3e:ee:4e:6a
Serial Number (int): 361976852505257471327577887050742042087018
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5a:da:9c:d5:e1:89:dc:d5:f6:f6:70:91:4b:3e:bf:88:4a:a1:ab:a0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): bb:53:dc:67:02:bf:93:0d:b3:08:45:02:94:f7:69:49:81:5b:c5:0e
Fingerprint (sha256): eb:8b:14:1d:41:bb:ba:3c:a4:38:63:79:c7:c8:84:a4:d1:1c:72:d0:a6:10:70:cb:84:44:f7:73:87:d7:a7:16

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

Revocation information

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

Check the revocation status for certificate ubuntuforums.org

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ubuntuforums.org

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

admincp.ubuntuforums.org
modcp.ubuntuforums.org
ubuntuforums.org

Other certificates including the domain name ubuntuforums.org

(limited to 100 certificates)
redirect.ubuntuforums.org
redirect.ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
redirect.ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
redirect.ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
redirect.ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
ubuntuforums.org
redirect.ubuntuforums.org
redirect.ubuntuforums.org

Certificate

The complete raw certificate details for ubuntuforums.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApKr2PxM95KgRzTwzdR/T
U269CZu+b3NvKiaCv4hcKIlesmTFRKJYnNfYHrB0174q2G4V9BKNw+d+o76Ybox/
wmFeNmtw/cep8BjxaAytn2gwRrSbcCiKQsBOwCzXUJkqdyLskYMk53fLsCqAQHHm
5G/Vge2T64PLu7gp9S8kYcyPVvM297LldzAIJANW7DgsJRL++fHCMf7yMgy53EWN
hdD4gMbCmruDIvJc5Q2o59F7yiUtdcJczZLfw1LaIiEqb8Bu4EzGJF8y21eUUtz8
IrJjnPgITwR0EpdWcUYVjVGHIx3826JjsyJsbw4MAvNEjtYgVMg5gviu43gFKouk
HwIDAQAB
-----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 361976852505257471327577887050742042087018
 . . . . . . . . [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 2024-01-11 00:27:55 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-10 00:27:54 +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 'ubuntuforums.org'
 . . . . . . . . [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 20787386469369324539880818224309193670843072824641244057747202701204786561747886662800074974543744785420873451730389655754025527456581876355877637293616745051999189045043184084046175380451470960160887242200560230205228306781025995413407842015728943397417804563733236680224938498991654893779029010635229892762624248765861188179082553172092145324735993207877532383467800802034954740060928055001143121836387502312854271093145488151143232764960774692959639898380554047659562878035994703727589994371578419514745917528666230816787732460039117654974495331519163884630271037597989231559132767690861872592496250378601047499807
 . . . . . . . . . . . . . . . . . . . . [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)
							5ada9cd5e189dcd5f6f670914b3ebf884aa1aba0
 . . . . . . . . . . . . . . . . [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 (70 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'admincp.ubuntuforums.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'modcp.ubuntuforums.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ubuntuforums.org'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018cf6220dd6000004030046304402205ba1598c5f867f3a4e04ee891442d07bcbaf800494b8ecfa8e597168e5e2ead8022036c09acda03967a4807a8075b0c82751e0b35fe2b1d325ed55fcabe1b043da7300770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018cf6220e200000040300483046022100d5091a0a286c5f4e28279edf17fd50f583805b5ce0cb56e849fcc52f36685806022100f50f61ce56467facdb0d8ddfa06e3526532611106b7a19aac1e6baca512ce3c7
 . . . . [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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