cgski.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:b5:2c:9d:1b:e3:36:40:3d:cd:7f:06:e5:7c:27:05:eb:44 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=cgski.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b5:2c:9d:1b:e3:36:40:3d:cd:7f:06:e5:7c:27:05:eb:44
Serial Number (int): 322987267996018570136058954547385522842436
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2b:4c:9d:0c:9b:02:71:e5:cd:6d:ec:6a:00:48:9a:db:40:e6:16:39
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e4:30:01:51:b7:32:1b:fc:46:72:51:8a:fc:d9:37:ef:54:20:14:2d
Fingerprint (sha256): 39:59:d4:16:e6:50:37:ef:37:93:c9:07:ff:81:49:3d:ef:3a:ce:6a:c6:4b:62:01:ec:58:88:ac:40:70:61:f4

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate cgski.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cgski.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

cgski.co.uk
www.cgski.co.uk

Other certificates including the domain name cgski.co.uk

(limited to 100 certificates)
www.cgski.co.uk
www.cgski.co.uk
www.cgski.co.uk
cgski.live.journey.travel
cgski.co.uk
www.cgski.co.uk
cgski.co.uk
www.cgski.co.uk
cgski.co.uk
www.cgski.co.uk
www.cgski.co.uk
cgski.co.uk
cgski.co.uk
www.cgski.co.uk
www.cgski.co.uk
cgski.co.uk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAudcby/fIPQQcpVI2RBkD
OpBu0qdDvOvdk0CUgMQnIR3HS+2X6HGVyD+YTn4y9H0YKypkl42AHsQ30PDuq5B2
ikw93ZtL2u8a46zi6yszm3AyI3H7qVAsyAdu/6qL1qVj73l8FnqqcQLmc41ulXy8
cCHBI+M1IfmnL/+fH+tjQ7sS6Ic68FGxgv1xHO/5Xj82nAX4U5jIFPHKtB46JI+I
hgjtnSXlGRG65fKKFiCFYVRSZIIM2ZTFFV3bh27GkEtRj4uo9KWKss1sYPCnKfDC
bUjYjo3N74Qwc5Wtc1lpm2SZ3nsY8aeuGdcBfnz7lbQ26x3zmy+ITzC6fFenF8mL
6QIDAQAB
-----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 322987267996018570136058954547385522842436
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-01 23:21:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-01 23:21:06 +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 'cgski.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 23460160413470077575628930808707990454935808384988790598034971346403539843038446506563915453773678993131795663225181431420245283280687343251708118401758916333981920165634748616983101276317682404280318649053618462299639574455663768933304277363689063509099973139190148157080595996861315399492211382063150814526297565204831944346730113211504408341007727726195296577889561514239057266388691678956801028586554853204931710017604640460627486099636281234210620944661325060032507850915232340127367745439000624416992119065544774858131785881505131894435417365119863009793635053414273238616257381698767168056575324446949865262057
 . . . . . . . . . . . . . . . . . . . . [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)
							2b4c9d0c9b0271e5cd6dec6a00489adb40e61639
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cgski.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cgski.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d6730cbe3000004030047304502207f988f79a835e385f1a5cdf962559505de19e082d1d97c190561e519c1942001022100bca82ea68f5f41cdd24171a0c4127d00444edb5045867b1d25e24d117020012a007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d6730cc020000040300473045022053ecd5940771b9d587cccb2c66d0d89ff37a052b6431b2b85d04f7cc19b7bbc30221009d60a051626be03a760241c5b14a1778cd2e024a70a81b88ac2789b448564675
 . . . . [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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