www.nuffield.ci.fridayengineering.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1b:f1:7b:87:42:0a:7c:9c:b0:5c:6a:e2:24:8f:67:67:4e 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)

www.nuffield.ci.fridayengineering.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1b:f1:7b:87:42:0a:7c:9c:b0:5c:6a:e2:24:8f:67:67:4e
Serial Number (int): 270845467045001443678310196507872728672078
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b1:51:40:e6:77:7b:40:49:41:9c:ef:a1:a9:db:56:45:fe:0f:3c:c3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ef:9d:3a:22:48:23:8c:66:e6:71:9f:d3:16:f6:80:0a:fd:0b:cd:6f
Fingerprint (sha256): 00:18:87:8e:69:53:18:86:3c:ac:3b:f2:26:45:8c:d2:62:36:e6:60:b0:7e:2e:e8:17:16:f2:0c:35:dd:69:0c

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.nuffield.ci.fridayengineering.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.nuffield.ci.fridayengineering.net


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.nuffield.ci.fridayengineering.net

Certificate

The complete raw certificate details for www.nuffield.ci.fridayengineering.net 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 270845467045001443678310196507872728672078
 . . . . . . . . [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 2016-07-08 17:13:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-10-06 17:13:00 +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.nuffield.ci.fridayengineering.net'
 . . . . . . . . [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 823240888544114893329277551608377815361545423302572546848057063792813169386237637931082359188289260198900342666567444637510408338734225761049421520761371714802428898079858704596633209407641299245412933130927440931823160897843621288873479287965680679704177797928935252928191432425209481473772043778965701934822975752364985718058920284904047919584532861523108213496432822634039844241643943314499248699859329533586053132737554751943442193039441766555490259942919876744861871538300536908811937308320972328981447350832614252620538949159333354431007018273296718644185097533674598180791482284367949339848637030673369264229670669912586101698760904509314603770739446435476118172336678014609455330305667603421453605602312283441668822496264052443379080058008740171197024808398298199966936071024015762088837731642535860890089631728083187621693590502491625057002717665082330589530046588857311964395985507604447237810389486980276471751046678794627121816525455324049072160372266282285946820527530170335669313368843639762796759308134949411033168290114450774018957720711845644687266937763163642887213102911640485253601662498675905136709015282806655663714861492839146142578534563766369437300149627928288363785523296355798259375454876484965867545306589
 . . . . . . . . . . . . . . . . . . . . [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)
							b15140e6777b4049419cefa1a9db5645fe0f3cc3
 . . . . . . . . . . . . . . . . [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 (100 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 (41 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nuffield.ci.fridayengineering.net'
 . . . . . . . . . . . . . . . . [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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