www.nordicdesignforum.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:0f:eb:34:cc:7c:c2:0a:79:b2:5f:f1:e5:37:ae:ae:3b:98 was issued on by Let's Encrypt.

With 2 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)

www.nordicdesignforum.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 04:0f:eb:34:cc:7c:c2:0a:79:b2:5f:f1:e5:37:ae:ae:3b:98
Serial Number (int): 353866021956797066632185155234322916981656
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ce:58:a3:56:43:50:b9:df:16:ed:66:f6:46:b4:3b:99:ba:d7:11:5e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 27:44:e4:aa:5c:bc:58:d1:5c:7a:23:1c:04:7d:6c:e5:aa:bc:14:60
Fingerprint (sha256): 00:00:b2:40:8c:c1:44:0d:f8:26:83:92:a4:27:21:d5:d8:03:6f:a7:78:7c:44:57:fd:48:af:01:80:22:85:38

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

2

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

nordicdesignforum.co.uk
www.nordicdesignforum.co.uk

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 353866021956797066632185155234322916981656
 . . . . . . . . [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 2018-02-05 07:09:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-06 07:09:42 +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 667784449067038265424338896099200482261880961311803083638147863231840038330818505795594875696948407263916957434435357574062702127860095245768621531749223088643958605837198447194740051352534650965682582524865532755194465580719291813889577182801998292484387417637753148991882233375637483844755284578979169097429955736375927066803331384305440781169580671677068880545160468070828708171252330376785961413638894886866751201980108093998080831771303536410834625937863581767999257517373276313786061846157394701911598674168541275302996948543318596048392186889570333814766898100506297773293220796590840184372869356208279789031622598940996337476385148507761858989085043341798291430570755541023942408971540486927017038700501120544583426482862093886735871419227704860220322132497500966085412107403371404044082021120749837675212060716927063263474169951321933221859127296384755038954648347777910941241104506731621960284531640875787458402871477081146029434984280982047394591207755299484471641818992233711296392445351449924754649157373840116384732196520203519050364555622443899977525292570726674844817355909347189263443268223880864128071305730603403548250753876907334142478126977693978790470830126042994159148569428001680144833499376608062381862431489
 . . . . . . . . . . . . . . . . . . . . [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)
							ce58a3564350b9df16ed66f646b43b99bad7115e
 . . . . . . . . . . . . . . . . [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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nordicdesignforum.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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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