www.civilstraininggroup.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:94:05:90:ac:c8:d0:16:28:9e:d3:1f:e5:89:a8:53:2b:36 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)

Certificate Subject

CN=www.civilstraininggroup.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:94:05:90:ac:c8:d0:16:28:9e:d3:1f:e5:89:a8:53:2b:36
Serial Number (int): 311706045434790670128169677576922696198966
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e3:dc:84:fb:13:6d:47:de:28:7a:d3:7b:ed:f2:ca:31:4c:9e:55:99
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a1:af:d0:c3:87:65:cf:8f:74:01:cd:14:18:6d:1c:4b:b1:36:0b:e9
Fingerprint (sha256): 4e:9c:f0:a1:88:19:cf:68:9f:dc:0a:2a:df:98:fd:90:22:4b:fc:d5:fe:63:37:bb:1c:12:d1:69:30:26:dc:22

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.civilstraininggroup.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.civilstraininggroup.co.uk

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

civilstraininggroup.co.uk
www.civilstraininggroup.co.uk

Other certificates including the domain name civilstraininggroup.co.uk

(limited to 100 certificates)
www.civilstraininggroup.co.uk
www.civilstraininggroup.co.uk
www.civilstraininggroup.co.uk
www.civilstraininggroup.co.uk
www.civilstraininggroup.co.uk
www.civilstraininggroup.co.uk
civilstraininggroup.co.uk
civilstraininggroup.co.uk
civilstraininggroup.co.uk
www.civilstraininggroup.co.uk
civilstraininggroup.co.uk
www.civilstraininggroup.co.uk
civilstraininggroup.co.uk
www.civilstraininggroup.co.uk
civilstraininggroup.co.uk
www.civilstraininggroup.co.uk
civilstraininggroup.co.uk
www.civilstraininggroup.co.uk
civilstraininggroup.co.uk
www.civilstraininggroup.co.uk
www.civilstraininggroup.co.uk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuow2XtLgAoUHNEXe8T7l
ue8jM8kUakfn40McFRN1yrdAb9zUHoU5Zw0H7bNGyrBmtdNPrDTeCyABdu1uXg6a
MbgWcKPhhMfoXkkt8BULDSowkB0wR2OWNPUL0RIlV+5Wic1YcyansSJ089Q7kSKn
gMxu2NffpFh7Zrgj4/kXRGRXwlyXpMP1doJys3sXJeYYlv9bAdKiels0xjIjWTZm
j6c0RvuN3hrFE4koDCgqTvyJjx9MM7+Dw/GAlJjhra+G3Gobpvt8OKtwcNtw7dVm
wFdOAv6dyOL3okSFczqIZ/D0Oc5yMhQtGYCoHU2FdDkKRsvZsDRXWhhIQ6ALkSJ3
nwIDAQAB
-----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 311706045434790670128169677576922696198966
 . . . . . . . . [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 2018-12-11 02:29:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-11 02:29:05 +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.civilstraininggroup.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23549466027363906004292689559216245393452345585485651215754734894386899242206441348560629203280313484817842543296964514912687688030858724912563094148541796198143921848591705426964592721832769693437472708382914850013202945734956533877063357152280389921410635056619600818876801386728447716877177874277537068781574010750596571138189672609618088463013100978475383634433396690566748799449396187143811084193339114934768020861059096412155684923203790366712083060115565411351657396886740961548418459564969007883985914882084326108765893008572247292611491894224207612197763538193593897929167827581873292502336207103586149234591
 . . . . . . . . . . . . . . . . . . . . [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)
							e3dc84fb136d47de287ad37bedf2ca314c9e5599
 . . . . . . . . . . . . . . . . [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 (60 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'civilstraininggroup.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.civilstraininggroup.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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001679b4f9e4a00000403004730450221008a9be7ff3bdaa38c0cd68885e785e0727661d511394d9b8b90baa681ef283e61022006fece5c6471e62433b8d4bf4666d6737e0ac0008c1dc1c82a06b1832000f0a5007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001679b4fa03d000004030047304502210082df7ce99fd1a5e11f2a8f50cdffd8a5b7a47b81aa8f41bf52f1aba83757fab20220535b0b65d60ce9529a7064cb3cd6885ac401bb98ccf0af63de5c056163f8cf66
 . . . . [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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