ubuntuforums.org

Issued by R3

About this certificate

This digital certificate with serial number 03:79:1a:ba:4a:7c:b8:c1:be:32:91:67:46:13:f1:cd:01:4c 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=ubuntuforums.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:79:1a:ba:4a:7c:b8:c1:be:32:91:67:46:13:f1:cd:01:4c
Serial Number (int): 302546551398600171594239580381526230892876
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8e:2a:a0:a9:40:9e:71:06:b9:13:08:d5:ff:74:69:d1:63:9e:14:21
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b8:b3:00:16:16:bf:b7:57:eb:aa:43:d9:a1:6f:ed:43:22:61:9a:29
Fingerprint (sha256): 51:a5:b7:0e:cf:3f:c0:bd:5b:b1:5f:cb:ab:27:33:90:9b:32:99:65:ed:1c:95:a6:b8:7b:2f:49:de:cd:10:da

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
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8WCL3EiKtq2vJ6oOE84a
toFQWLQIJBVe6FRldIiYxIS0oXku3VwZ4NMn2uFkVJtJl9lLGnJzrvZ8iYwz67ye
nOW4LnHiwGJPQZkLiWpcdsDZBClINVk+j1GLBe3NPnUZuivTeX912OW4In4bgbYP
hD5P46B1Il+naGqjqY529Hu3tsMKYn+XaZ0uyVCtz/Uj5AQXrqmHDR5QNkDLoimW
HvyZ2VcXU5aHp+hf8S728j2NDpmgekBjtj6X0a9hRafpj3ne1UQlTNIQH23XhA/n
XnVKT1ynFhLeNIquPfNBak8wKdmZEAqH2rj07YGQfy8HCKwElUXy8TwnbIsJ1RMU
AQIDAQAB
-----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 302546551398600171594239580381526230892876
 . . . . . . . . [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 2022-07-28 02:20:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-10-26 02:20:35 +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 30471040266549936745445715780861119408361059530832523128597988554628796513408363176894536066520962926656487949972875568616673315734279983409555560923656205177437914346754523465921226429922439735616170844628124116726742587658256472335659523554500285838769050569545539411619927726910467661285319734252343394232943741053373587722060765685635171143118131424810482599402828061380143193441890427217979378039193592779045340227284532391494350855730604204162603260442353431348277169893143271048847143495883150839436978177977986992517451053932919324045616425228943813235745066141104416274427414385249915345379133773927475778561
 . . . . . . . . . . . . . . . . . . . . [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)
							8e2aa0a9409e7106b91308d5ff7469d1639e1421
 . . . . . . . . . . . . . . . . [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 (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)
							00ef00760041c8cab1df22464a10c6a13a0942875e4e318b1b03ebeb4bc768f090629606f60000018242d204220000040300473045022039bf904953d540c67cf1eedcd0f0c7eb06adbf8e693502744bac00f49b8e6ebf022100b3313d571f700c86059a9f5ce30cce27876ff91fa6ef1384344bb1420ba1327700750046a555eb75fa912030b5a28969f4f37d112c4174befd49b885abf2fc70fe6d470000018242d204490000040300463044022069b03f2c79ad7371c5f75d13b3c800ea0c6e5a61d2237ae14d39aff151b66890022024dca87a9b828d09438468e91f0ae7ad526d90330e55e41963e6aaa3a1f47288
 . . . . [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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