ubuntuforums.org

Issued by R3

About this certificate

This digital certificate with serial number 03:ac:8d:69:be:62:74:cc:77:8e:ad:32:a8:22:28:32:28:e4 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:ac:8d:69:be:62:74:cc:77:8e:ad:32:a8:22:28:32:28:e4
Serial Number (int): 320053395105716307017367855872281572157668
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4d:41:81:c1:d0:64:0d:d1:74:91:d3:ff:67:c5:4c:b8:5b:89:5a:20
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b7:dd:08:1a:36:4f:76:17:0b:80:2b:89:b8:ea:3a:9a:40:21:b6:ea
Fingerprint (sha256): 84:6c:52:d1:af:72:da:e4:18:1c:cd:83:99:b8:41:04:67:5b:b2:f4:38:89:5b:4a:44:7d:4f:44:a4:c2:5b:d2

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)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFWjCCBEKgAwIBAgISA6yNab5idMx3jq0yqCIoMijkMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMjEwMTIwMTQ1MzVaFw0yMzAxMTAwMTQ1MzRaMBsxGTAXBgNVBAMT
EHVidW50dWZvcnVtcy5vcmcwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB
AQDdv+Ufqwg7xo0XVixjYP8UvudJjcgFEijVnUkxj2ksvkUIpQvdd+/yRl+EfxQ+
vmx2726B3HBLojYRKzekTThiurUG6CkjKhYL1WaNDNDF9uALnIBdLJ8ugYRp7qOg
PyRQI6WBpYuJh4rl6iL5Ky0V03H8vYNh4Nhwdsd0cNBWRVKDql529DVoCRSdlzmm
aJUIELl9t8OPV4i6AMGBBngIF2VJZ5ByHtZ/7TvivQn1afBQcjvdSK1Dkhk8Hyko
9raYPy0E6vuG9Mlsw2cLL+dMzEOvuBEhnxVPrYgbC7SoLxXUwaKU+UNhne2Zjg6e
36gLOIEJB+gN5vO51377VDhfAgMBAAGjggJ/MIICezAOBgNVHQ8BAf8EBAMCBaAw
HQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYD
VR0OBBYEFE1BgcHQZA3RdJHT/2fFTLhbiVogMB8GA1UdIwQYMBaAFBQusxe3WFbL
rlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDov
L3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5v
cmcvME0GA1UdEQRGMESCGGFkbWluY3AudWJ1bnR1Zm9ydW1zLm9yZ4IWbW9kY3Au
dWJ1bnR1Zm9ydW1zLm9yZ4IQdWJ1bnR1Zm9ydW1zLm9yZzBMBgNVHSAERTBDMAgG
BmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz
LmxldHNlbmNyeXB0Lm9yZzCCAQYGCisGAQQB1nkCBAIEgfcEgfQA8gB3AHoyjFTY
ty22IOo44FIe6YQWcDIThU070ivBOlejUutSAAABg8oVSNQAAAQDAEgwRgIhAIoS
COTvufE1fOjZeB//Gp69964ZYMGHRILyBzNT70F0AiEAma8V8LiM9SsYws8x1JGE
77DB2AJVtO/LGogrjTtpXr4AdwCt9776fP8QyIudPZwePhhqtGcpXc+xDCTKhYY0
69yCigAAAYPKFUiXAAAEAwBIMEYCIQCFFU7omwiDvRMeubVN5ZYi1iWZVaLRJiFP
a33x3v8W1AIhAJ1aHfu0HIyTwA/0VbDd6v/2NxdJnWXFdSOgdyfoku4YMA0GCSqG
SIb3DQEBCwUAA4IBAQBQVe4ZvuPiqYghTnIp4gvsf201S8roFD+SFFEra+6IFPoh
DSakz9hlEnjzKt4kUKRweqXGZ0fuoTWptQP+dLAYaZYsTz8usNzVae4izNBA5dBy
z2big9Bco1OAXA6kJQu1Myu+ArD/aZkMHDh9eGziu/UTmPSeUJzX7VxRMdOY3qQb
2BlR5sKDlBsV0t3g5aNZ7Wqxl5wb75DBy7bO0+ZC3y2aV0UY8pc9KPbXF5Is5Ahc
58NDWKniX1Bdp9vpWbUWo8K9MhqJy3jZNTIFfBQWca7+3dM1O0lgi25EEf9Pn9Nn
UgrI+hZBw3VK/85f/dni+Fo9BdWPpnY71BVXlLkC
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3b/lH6sIO8aNF1YsY2D/
FL7nSY3IBRIo1Z1JMY9pLL5FCKUL3Xfv8kZfhH8UPr5sdu9ugdxwS6I2ESs3pE04
Yrq1BugpIyoWC9VmjQzQxfbgC5yAXSyfLoGEae6joD8kUCOlgaWLiYeK5eoi+Sst
FdNx/L2DYeDYcHbHdHDQVkVSg6pedvQ1aAkUnZc5pmiVCBC5fbfDj1eIugDBgQZ4
CBdlSWeQch7Wf+074r0J9WnwUHI73UitQ5IZPB8pKPa2mD8tBOr7hvTJbMNnCy/n
TMxDr7gRIZ8VT62IGwu0qC8V1MGilPlDYZ3tmY4Ont+oCziBCQfoDebzudd++1Q4
XwIDAQAB
-----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 320053395105716307017367855872281572157668
 . . . . . . . . [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 2022-10-12 01:45:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-01-10 01:45:34 +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 27993292355927559508770428106268994685425480231476466584135479602368023184540738755702248952224564313976776124033039782034319845043231226823300238447480435446696329598264535019769181088977279144018496660741832358577693530325162595494644056375345760231031172658867191328188394740391817042937882086307541153574626626012135582106984888301194800648849443205639306806325668200501448050736675736246604291166430884642288364085898424305235843000723522398717091472091428790535439830526796356158195262015655540794059556633977848012767954459903644418174515332332367396236457297546098548137769693741520631913357205815568291346527
 . . . . . . . . . . . . . . . . . . . . [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)
							4d4181c1d0640dd17491d3ff67c54cb85b895a20
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000183ca1548d400000403004830460221008a1208e4efb9f1357ce8d9781fff1a9ebdf7ae1960c1874482f2073353ef417402210099af15f0b88cf52b18c2cf31d49184efb0c1d80255b4efcb1a882b8d3b695ebe007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000183ca154897000004030048304602210085154ee89b0883bd131eb9b54de59622d6259955a2d126214f6b7df1deff16d40221009d5a1dfbb41c8c93c00ff455b0ddeafff63717499d65c57523a07727e892ee18
 . . . . [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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