ubuntuforums.org

Issued by R3

About this certificate

This digital certificate with serial number 03:4f:b1:ba:06:ca:de:47:d1:09:8f:59:9b:f9:eb:f3:f0:83 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): 03:4f:b1:ba:06:ca:de:47:d1:09:8f:59:9b:f9:eb:f3:f0:83
Serial Number (int): 288455404042271835083777068073339516612739
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ae:e4:05:35:ec:53:d1:0c:2d:be:69:2e:10:33:61:d0:8d:f4:c7:19
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 03:25:7e:99:fe:e8:59:78:73:ea:64:6d:9f:fb:c9:a0:ab:38:18:29
Fingerprint (sha256): 3f:04:ba:42:c5:b7:9a:eb:90:54:6b:6b:ae:5f:2c:2d:94:10:2b:21:c0:5e:f9:fc:9e:cd:73:fd:25:6c:73:58

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArks5OvktXwTK6yYh5BJL
+lsIMSuemJAo1ZCVOaoXK5Sw6Qs4Lf1BW1sgDCvnR/FVfg/bZp/ZJHkDsenGgAlq
sByx5sD+b8i3yL3uzEQjsaPkVFg0zmMKzNRnVIqco0/DT9e1CntlHsoJh7abjRT1
3azkZ4UMwZA8woZFUbxKxEHQu6QDT5PDnzvkbVvSeLv4BH1NC0H0nymnN1z53EI6
jhbqj7HWBHkDN3EiEwZMlVdivb3k5k9yQR5qLA7q8UwSR0WSISwjrHRkVH18Vgzt
Uub8syqIwWz85rMuj9XInjV2pVKSrqjfTUFBHYkgRTOOG1J4407RQqno5ksXrcAt
VwIDAQAB
-----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 288455404042271835083777068073339516612739
 . . . . . . . . [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 2024-03-27 00:28:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-25 00:28:55 +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 22002559182129683416633782862403944042245101035811439022377625173037268012336703940445941539162998472463914283458230900878998051962692448649574851854043814563163226232493035279520905023056142089293088226138593988699944668784554427044772264455297566846030942481763651146108707921041391392494000480807956803170811152854240578153759325226536845405642009576310899625997958313857447310864448214858200196619312677015261596006412786789573000302873020692231182904502604727218180585486846770147596976989324383679469640980977207381112921968916821729470834459090954998793367436899433464260110851725711558856833544207957728701783
 . . . . . . . . . . . . . . . . . . . . [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)
							aee40535ec53d10c2dbe692e103361d08df4c719
 . . . . . . . . . . . . . . . . [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)
							00f00076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018e7d86489300000403004730450220600c1f88aeea0c0fd715af75f2455c0da609b6907c3bdd0be1755297deb45f20022100a55be607d2e4aaee57fce9ccfbf6aad68eb51b91690c2963697a4eaf0e6c1b0c00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e7d8648ab0000040300473045022059e01c849eeb850b0c972f85cd0993e4dc6e55eaee3468069b5da74feb45cfb0022100aab845d6acff95ce61a5ec3061bd5a2853607b8133f5531af789a429b1d3760d
 . . . . [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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