www.fluforum.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:27:72:e6:1e:53:09:e1:4d:bf:ce:f2:8a:0a:fd:24:b9:63 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=www.fluforum.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:27:72:e6:1e:53:09:e1:4d:bf:ce:f2:8a:0a:fd:24:b9:63
Serial Number (int): 274760596940045566773601221784466329221475
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ab:cc:cd:0d:0d:ac:7c:4f:52:02:34:34:4f:18:69:9f:0f:82:77:f9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 25:8e:66:3f:a5:ba:9d:b4:45:77:92:4e:c9:d3:90:d5:5a:ef:05:03
Fingerprint (sha256): b7:fe:96:49:51:da:a0:3d:7a:63:d0:c5:76:3d:da:cf:f5:ff:9f:83:59:ab:57:42:39:23:8d:70:83:e2:ff:b1

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.fluforum.co.uk

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.fluforum.co.uk

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

flu-forum.pentangle.co.uk
fluforum.co.uk
www.fluforum.co.uk

Other certificates including the domain name fluforum.co.uk

(limited to 100 certificates)
www.fluforum.co.uk
www.fluforum.co.uk
www.fluforum.co.uk
fluforum.co.uk
www.fluforum.co.uk
www.fluforum.co.uk
www.fluforum.co.uk

Certificate

The complete raw certificate details for www.fluforum.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyazGC47wcZ+mXoQZTeN5
QupZNjTtze99JVFYrT3p6cbwKRewefIbqN4Opgv5MJBxIp6XTGq2xxzm17GCLx0I
zE69k5bylCD0zaoulJqax2VLjPIX31vVYtEEctwTHnbvZ8I+m4nNPOM4SPY+qE4V
6gRYUHVmDXe16eiPmoFMASJnYOKR6Cy19B1wuR570jIXv09krt/CDDpMdjUeIG67
C11YL5k3j6m3oD389anxy4OOK2tbsXVGn2t1ypQNq/TXbSOKn1qcpgSqnO71hMMR
eqacr3i70q5NInfE8IE5PcaL9G8OYw1wmdNwuEpAwvJnBt3Trw7KlHB4bkLJZzpI
XQIDAQAB
-----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 274760596940045566773601221784466329221475
 . . . . . . . . [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 2019-10-19 12:20:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-17 12:20:20 +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 'www.fluforum.co.uk'
 . . . . . . . . [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 25459097142542509839555759145607498501548212146281191786532921088857275777630798916865678685252694375545670090201714630639708224537863720742921968750207343264712396738857862605934771488691238411774476430084334160057943177112150057545439510984508514921618163402850078819791852645910882483784798987966558301418653908686961116468164384429182085624281519111967583375710462113930961446383344739038906090475512113089955432182930920601624840030619039049170108530757358526956022647153303208752121429990541346380792237637171141756604507137696405230645012554778918279195381700052884249981497978335069480431885355675861487601757
 . . . . . . . . . . . . . . . . . . . . [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)
							abcccd0d0dac7c4f520234344f18699f0f8277f9
 . . . . . . . . . . . . . . . . [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 (65 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'flu-forum.pentangle.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fluforum.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.fluforum.co.uk'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016de42d0a810000040300473045022100afd568be47b6f3529b25e55ee6894162d81296571951e4bdead113fa9895c28202200d19b455ac1373311ea9b48f28d6a0667c52a71b88c12160fd2f22aaba60f71b007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016de42d0a720000040300483046022100a9ee636cdfbff3d508bb0b6b10b0f04d5822c88b13d80d39aef69c0543ce8ef4022100bf1f6223a6be9a1a3b035756d8451a5d54cd438e9cae659d90f137753e9eedd0
 . . . . [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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