www.nuffield.demo.fridayengineering.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:49:fc:33:fc:c7:ff:7b:5e:0a:6e:8d:25:44:9e:94:2b:80 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.nuffield.demo.fridayengineering.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:49:fc:33:fc:c7:ff:7b:5e:0a:6e:8d:25:44:9e:94:2b:80
Serial Number (int): 286512705969599524128913547787132663507840
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ee:2f:0f:a7:a1:8e:15:e5:a8:86:91:b8:a0:d8:d4:05:0c:b0:ff:f4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d4:7f:da:c7:10:d8:1f:49:17:fa:81:bf:95:08:ec:9e:62:45:a3:a8
Fingerprint (sha256): 00:04:d4:d2:24:8c:09:55:da:cb:87:fe:c3:aa:49:be:55:4f:ea:5d:b3:f4:80:56:6c:06:82:f2:1a:c9:40:63

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.demo.fridayengineering.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

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

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Certificate

The complete raw certificate details for www.nuffield.demo.fridayengineering.net in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGMjCCBRqgAwIBAgISA0n8M/zH/3teCm6NJUSelCuAMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjAzMjkxMjE3MDBaFw0x
NjA2MjcxMjE3MDBaMDIxMDAuBgNVBAMTJ3d3dy5udWZmaWVsZC5kZW1vLmZyaWRh
eWVuZ2luZWVyaW5nLm5ldDCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIB
AJaUvSU76UgigzXIvJfNxauxvCmNTx7LT2+9EYV/gRHKOzLwfu6rqYKHbv7DL/p2
xYt0xsEPBHGbX4DIS+mDJRR8Qg/STE8WjiMnEq7iX90Q8+b8W/j9wfvbouWSHvRg
qjhZ0moUiZv8bAERbTyfmOO/8C0PnjjZ0h6A+BkrbqfZoTL+FJgsJTVjAEDt4l+r
3TYEwfpjTqqsmrlb4lIxjOZdqEjBp4MK9VYCVTno5Sa8A5eHgs0s9/wVk5LSna3U
s+INFBKoYUpFaB9zI7FieS1r+KIqCzPsIIy7BWncjYoL1WRVnH+81nGVyB/81K8H
1yb9nsRRkgF/DXxvheAjAGkKOOZ6jFhEPirYGCfAjWYW6Tbanr+gLTYngcEhZA5Y
8lf5n7LT8sTORxD+L95b1r+6b9F1IB8WAYkVItS3L4EO93zfxlEokDFz2ZLK1sKK
2+VCNPYnWz+XD8zF2HihuzgjqGW6Z7ClOVVxhYoUqPgr2H9XgbCgTWQ19HgjsDAN
DSnekkDhHC/y0bggJibizHGlNgEg0ri7lu/tFkIYhALoQxiVGYgRbXSSr0GSwHLM
ALQ206XhDl6K4iLIsP7jIgCeUpKJS06JePF+q8P7JdpwZ2FPQs/Y/2GWeS1r1Kql
Tbk6D7MXxqGpSKkS+sbqjP3H+WZVMT6mwEbWx7za4Tv9AgMBAAGjggIoMIICJDAO
BgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwG
A1UdEwEB/wQCMAAwHQYDVR0OBBYEFO4vD6ehjhXlqIaRuKDY1AUMsP/0MB8GA1Ud
IwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMHAGCCsGAQUFBwEBBGQwYjAvBggr
BgEFBQcwAYYjaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wLwYI
KwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcvMDIG
A1UdEQQrMCmCJ3d3dy5udWZmaWVsZC5kZW1vLmZyaWRheWVuZ2luZWVyaW5nLm5l
dDCB/gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYI
KwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcC
AjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24g
YnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0
aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5
cHQub3JnL3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQBRsOWsKs6e3LMl
SfNaxAPAM4927rZx5310swBcKw7JLHmeNSy1ZoGU+Cefc49bWAnnrIb+hnj6muzE
oMUxnrN4Ot6uY3EM+CdXhf/t0sGFIq1/xyueywKuFBpDuaCyeaP/6kjPMdw0qX4V
h51k6P4+QsImyVFp1k2eqSIY35Rc3BWs0ppJTRIFu5v6t2uWCZ2TwGzNcKwF7TLw
OGCojSyopm/1P6E2iFKSIAd5NkQ1whujRCLxIA5gpVoh47kx6SpgmMhO7uA/YWYN
DaYOtCJjcTpLlolHrxdh1njmK2a+89QTSXZ2AutVCAzpiUVq+wcobafowgrtSTBY
qYFIfkC6
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAlpS9JTvpSCKDNci8l83F
q7G8KY1PHstPb70RhX+BEco7MvB+7qupgodu/sMv+nbFi3TGwQ8EcZtfgMhL6YMl
FHxCD9JMTxaOIycSruJf3RDz5vxb+P3B+9ui5ZIe9GCqOFnSahSJm/xsARFtPJ+Y
47/wLQ+eONnSHoD4GStup9mhMv4UmCwlNWMAQO3iX6vdNgTB+mNOqqyauVviUjGM
5l2oSMGngwr1VgJVOejlJrwDl4eCzSz3/BWTktKdrdSz4g0UEqhhSkVoH3MjsWJ5
LWv4oioLM+wgjLsFadyNigvVZFWcf7zWcZXIH/zUrwfXJv2exFGSAX8NfG+F4CMA
aQo45nqMWEQ+KtgYJ8CNZhbpNtqev6AtNieBwSFkDljyV/mfstPyxM5HEP4v3lvW
v7pv0XUgHxYBiRUi1LcvgQ73fN/GUSiQMXPZksrWworb5UI09idbP5cPzMXYeKG7
OCOoZbpnsKU5VXGFihSo+CvYf1eBsKBNZDX0eCOwMA0NKd6SQOEcL/LRuCAmJuLM
caU2ASDSuLuW7+0WQhiEAuhDGJUZiBFtdJKvQZLAcswAtDbTpeEOXoriIsiw/uMi
AJ5SkolLTol48X6rw/sl2nBnYU9Cz9j/YZZ5LWvUqqVNuToPsxfGoalIqRL6xuqM
/cf5ZlUxPqbARtbHvNrhO/0CAwEAAQ==
-----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 286512705969599524128913547787132663507840
 . . . . . . . . [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 2016-03-29 12:17:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-06-27 12:17:00 +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.demo.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 614316928814828746666403962343812123476545953610997891223616836091821149721190907830577765482177104146009170926005392068176486509887139512869324300670697090137764897981336247605734252653129536391665203300641908998290989658482119857349548188039873093062892435643549209820402223420945016526895072632912224888591906222472015458997823277516126290003857941260637462324282244309345498771123473189941557390677418963485932963881113865111246970209028116584992796514537395851647666178052113474381654925505122637709772362355556474345139524525750964330520215700902112264774330748457557144643908272928727198748216613696336147002352473437243177818160097569223756848274571573393449957422784798775545672847981747923036486927660865320369309449443273958827922921865658682930521632754277719011898981760415401115650231916561534582755598601557776131531054074414959599378413740952033856191152611196204232985991245120974034733477385268750246126240488753790460545643019246937321450547917916262682032972322322679101765760936283400118691324069773373284957389108192926559040321035342852078342354755707299117904414897114673492328387931251910932310192100968784982889266245318143714420201599517005443076098444306263189307264961329604392585265089749719127643208701
 . . . . . . . . . . . . . . . . . . . . [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)
							ee2f0fa7a18e15e5a88691b8a0d8d4050cb0fff4
 . . . . . . . . . . . . . . . . [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 (43 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nuffield.demo.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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