www.nordicdesignforum.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b2:73:73:7b:7d:78:53:57:19:9a:77:1d:05:fa:db:22:59 was issued on by Let's Encrypt.

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.nordicdesignforum.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b2:73:73:7b:7d:78:53:57:19:9a:77:1d:05:fa:db:22:59
Serial Number (int): 322060579945538923783691874225053666845273
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: eb:ae:99:db:90:d0:a7:fa:00:76:e2:85:42:85:ef:a0:de:13:d4:80
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 56:2e:16:0d:93:87:34:1a:16:6e:46:09:73:bf:7e:4a:83:1b:df:4e
Fingerprint (sha256): c5:6c:0d:65:1e:a7:79:8b:d0:7b:85:90:bf:e5:90:7d:8f:13:84:17:a2:6b:ab:c4:06:52:b2:a2:d6:ee:bd:95

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.nordicdesignforum.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.nordicdesignforum.co.uk

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.nordicdesignforum.co.uk

Other certificates including the domain name nordicdesignforum.co.uk

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 322060579945538923783691874225053666845273
 . . . . . . . . [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 2017-06-10 07:15:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-09-08 07:15:00 +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.nordicdesignforum.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 522664213912496225494234990470949287348000152324255505174068983088066269469696942474875802663117916928344284081901477831064847372874757265373295871050346574303984880590045365302716850744796231811905132607464490266137469680865475687076250759686371132535341655796556870848116546400997760182940181526704982273288953297209739365692978536228745515282412195609034978910658890385425536601116425376842168168013446398312665193407639764422309349895448565418802078947221747158919157506751639496771922444928897381794923354925706854447986299203576367251557491390882401687426733107865781562032933058925560618669819586723152279068509055074160101716127221376225507562664463602348511470849157869516218823871217166159623297220261605981946318936403759898939290912132874583432716719119293141666483436823374942778409617345060306918483485563899177907460679989227284079071222874135632877233794210997921146453510399676719921261287679399054088428273508090935023627415589226776420656608990649368246158883381929006816743026215800521836600258076707264403348537326897470998432766771470197130184839566413062661481644381976473505719617530073583199592461280674233759556439896077162429398912202317496159654189456849174862473394949435372610004269713916138101595795899
 . . . . . . . . . . . . . . . . . . . . [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)
							ebae99db90d0a7fa0076e2854285efa0de13d480
 . . . . . . . . . . . . . . . . [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 (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nordicdesignforum.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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