www.fluforum.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:be:3e:e6:f6:05:33:d6:de:14:be:4c:91:6e:01:a1:47:f9 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:be:3e:e6:f6:05:33:d6:de:14:be:4c:91:6e:01:a1:47:f9
Serial Number (int): 326074118864160122597644010653069460195321
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c2:cb:ca:ae:e7:11:6a:cb:f9:8c:78:7e:8b:34:1c:28:fd:31:f1:7d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 14:67:de:7a:dd:cb:16:26:f5:a2:db:ae:95:ec:01:8d:db:ab:3b:bc
Fingerprint (sha256): c1:9d:22:ed:17:17:da:5e:56:6c:cd:88:14:f4:ea:6c:31:0a:72:b3:1a:27:81:ab:a7:da:c6:ee:47:b8:f5:94

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-----
MIIFhzCCBG+gAwIBAgISA74+5vYFM9beFL5MkW4BoUf5MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA5MTkxMTMwMTVaFw0x
OTEyMTgxMTMwMTVaMB0xGzAZBgNVBAMTEnd3dy5mbHVmb3J1bS5jby51azCCASIw
DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMGppmbXjrojXz3boZMN/PiM4spf
BJ7LibuL3ZUT1sk4Ji7ODM4DLGBIDKDIniTfc6VxzD7++E0N8Yx2d+DV9zJnXLK5
iScxgShTDrKdkqhL/5APS33nmxYXTlTwBe0qHcJ7pLcHJJRgN+MRvSgaptfxyvMQ
PJu5/3VHdqLSnMrtWdDTXmAHx9Cb8fVz+866O2VXrhEgjpD0XjNWpHUe8lw9lC51
aGv60KT6VcdWOU1xLzZEqeA69lVKa6hLnlv5lxZrJKmTVCCPUmS01KmGqafHf9Rl
O8DlDbr3kE6t6TASrSjb9oLyg+HoCTw0NuR23/HuueebeTa0qRLnC1YwWYsCAwEA
AaOCApIwggKOMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYI
KwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUwsvKrucRasv5jHh+izQc
KP0x8X0wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUH
AQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5
cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5
cHQub3JnLzBIBgNVHREEQTA/ghlmbHUtZm9ydW0ucGVudGFuZ2xlLmNvLnVrgg5m
bHVmb3J1bS5jby51a4ISd3d3LmZsdWZvcnVtLmNvLnVrMEwGA1UdIARFMEMwCAYG
Z4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMu
bGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYA4mlLribo
6UAJ6IYbtjuD1D7n/nSI+6SPKJMBnd3x2/4AAAFtSYBqzwAABAMARzBFAiEAhOKh
qkvPs7V+RXPSMFwnQH9suRohHj+Bqpq2BjbGBxoCIHESj6YVKCgMkuDyu9TbiUI7
z0aJN2+Rg1Jz3g24L/qUAHYAY/Lbzeg7zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL
2I0AAAFtSYBq8QAABAMARzBFAiBZvZd1PRfxf7p5bTnbERHzCpGR15wgtG0frzla
7ROS2gIhAKgQ9P0ljXWdavZhUcGGE4+Stbpwy0k6R/bLB4EeHIJPMA0GCSqGSIb3
DQEBCwUAA4IBAQAXs5HCad6z/VLp7LuxiTFjJwuutgwsz7oedxcSs3GuUccXpi8C
A8utZ9owJsxQd8NcASBww5xkAYvYhp4djuquJg1WHXVwq/YAxwwS8RFepscixSP1
s9KW+gMv0aw1eO/UEYDVYSi+VW7BqooE7wLj3EUah05bV3UB91n2GWbnKRSGkpfU
lufgdPkHngOl8HDD3Ne6PwW5PoDZlcAfLjh8gbeYmjLU7yh/QSRzvqxRreAXpCoS
w9ELyzweKIbFzFfifqE6noVU/qiJRphqZskb81ADKhSBKEygRRKQ1ZCjzTf9ynkh
Q20cHFr8l1C31ccmxy2wIdHm3GYsS0PIYDlV
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwammZteOuiNfPduhkw38
+Iziyl8EnsuJu4vdlRPWyTgmLs4MzgMsYEgMoMieJN9zpXHMPv74TQ3xjHZ34NX3
MmdcsrmJJzGBKFMOsp2SqEv/kA9LfeebFhdOVPAF7SodwnuktwcklGA34xG9KBqm
1/HK8xA8m7n/dUd2otKcyu1Z0NNeYAfH0Jvx9XP7zro7ZVeuESCOkPReM1akdR7y
XD2ULnVoa/rQpPpVx1Y5TXEvNkSp4Dr2VUprqEueW/mXFmskqZNUII9SZLTUqYap
p8d/1GU7wOUNuveQTq3pMBKtKNv2gvKD4egJPDQ25Hbf8e6555t5NrSpEucLVjBZ
iwIDAQAB
-----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 326074118864160122597644010653069460195321
 . . . . . . . . [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 2019-09-19 11:30:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-18 11:30:15 +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 24447650394734209172064111626212727815339662759496802084399584503153219145199900534631584633146029423325246561188010473891185736635722247340458673332422469521274823372881819931388011322387216422800688608707369863988566274204432462103523091709055311119455037530722704377352809773197405446353295071730834649552278153349077752479380007101827865998259191445362786209285314275325708385759817036878349592720748965275112269075257026798321756185913362275349837439343940034478880794622082009653569484119548174159237966538515182787014851583534461419447485055236509642554758646652012707418583781002287058539921436648182245251467
 . . . . . . . . . . . . . . . . . . . . [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)
							c2cbcaaee7116acbf98c787e8b341c28fd31f17d
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d49806acf000004030047304502210084e2a1aa4bcfb3b57e4573d2305c27407f6cb91a211e3f81aa9ab60636c6071a022071128fa61528280c92e0f2bbd4db89423bcf4689376f91835273de0db82ffa9400760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d49806af10000040300473045022059bd97753d17f17fba796d39db1111f30a9191d79c20b46d1faf395aed1392da022100a810f4fd258d759d6af66151c186138f92b5ba70cb493a47f6cb07811e1c824f
 . . . . [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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