www.nordicdesignforum.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f2:b0:3e:fd:28:37:9f:59:09:56:a6:e5:c1:3c:14:cc:8c 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:f2:b0:3e:fd:28:37:9f:59:09:56:a6:e5:c1:3c:14:cc:8c
Serial Number (int): 343919461774447192990603957509295925677196
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 74:a9:2d:a0:d5:6f:14:c3:9d:be:27:07:92:08:95:66:07:de:a3:2a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8f:f2:30:e6:e3:f6:a0:ee:91:36:4d:16:68:30:c4:d4:12:4d:e4:0b
Fingerprint (sha256): 92:24:db:17:be:79:22:79:03:e3:f8:56:26:10:15:fc:32:f0:f6:1e:64:c5:73:b3:9a:1d:5c:63:04:5b:b6:db

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 343919461774447192990603957509295925677196
 . . . . . . . . [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 2017-08-09 07:10:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-11-07 07:10:00 +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 661739451437788291826621897907013228695792357766041496819776655706469011806909289229004856001356086384823738216270897780753164029643800682716014072847871080567801968792013856164508737491374501880309190063983939674469375837236410757840161158506171516983490175655441171724876968428282530163586513284645627992972524335354720834111667901234485252073385240296916283696619877065380691625615328624215612148518127251314786466143698870626621715961330643694357933632893372510085271581403466241220154753369895925801745182348863859908931948714286668000441540715968408241964547852279747609056108161530485966827488370862902383225134432814208210074656432238287751385438380850831327170352432101928523296823494534381874511707428116096436287157031686120323167401491109474203123412326717148279705981434299428688137333241652180914053553673199015444206300419768036326417576092237728913801083793514320280891745386783625752874885315003739270461181645780305189868306697866380109811995380727552333818701048158670879287271652220836961747864356425848810612219964374690207692098177491526405455992672129893557466882156836654091852900054629823286392859865370878312399603159499832042604930701793374039349680252287527718301747350651216954352034434963412625469631307
 . . . . . . . . . . . . . . . . . . . . [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)
							74a92da0d56f14c39dbe27079208956607dea32a
 . . . . . . . . . . . . . . . . [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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