www.concretejungles.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:bf:3b:32:87:4d:23:4b:3c:ac:b2:6f:67:b1:34:ab:d2:a9 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.concretejungles.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:bf:3b:32:87:4d:23:4b:3c:ac:b2:6f:67:b1:34:ab:d2:a9
Serial Number (int): 326409476688011011177140765632942706512553
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 83:57:14:60:69:48:ae:45:65:91:50:30:6d:5f:ae:aa:b4:68:4f:1a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 08:6d:e4:1a:eb:63:c2:80:6e:40:09:55:e4:26:c5:14:e5:6b:58:0c
Fingerprint (sha256): ad:f3:3a:53:21:43:71:a8:09:86:99:d1:d5:4f:51:00:78:79:4d:06:b6:44:69:50:7f:0b:e7:4d:94:16:67:d0

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.concretejungles.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.concretejungles.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

www.concretejungles.co.uk

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqNNNE87V+aR0OOCVAhqU
V+1hq3ySqqtYzwL/CbyCRRz4vsQd3TOIFLL4gFHzGqUuCEynjxPrqpKv5JthRmSU
pdB4/TvBm+NbKXpTE0cjras5v7uBKSqO2Rx5VqAUorB3x4oJhkxv1XeKOlFGJE4E
HjJW0WgDIzczS7rLaQ1PhslquK62K5vpDGD1z3v5YxH+UnMZGMi2Ruep5NhuYNbL
iMg3QZ+fyxsw89w9i0Og8iA0Rp3gVvNjF9JjcSEXQPzdZhrG23I0iyJT8bLgNOym
dGiOClalGIBxPX/1gTDgDRODKN2nStRM1SJttXlNtD0XGCVEXbWLLI1kCEJZfPzB
3QIDAQAB
-----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 326409476688011011177140765632942706512553
 . . . . . . . . [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 2019-05-29 16:54:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-27 16:54:34 +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.concretejungles.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 21312231682024204034645229165976721880238620889775470850080802477896126521875781462499927011416082895996995553538644077789533300914215631707966946497372108221424170435764500276455515102242106309264628876260205826122383385424495753302258173534127992115351944145034699691061845180517073185891734834438582453597450257230092698138258575232568676304881078628756640769968904299294330453559921683943992225364057928959588851499294712673090117211631834375596533158231378607776747167272386756843045359903780408151749957625774190307150424328135523185423984584644606300473051777699648429267748055404247985640288596442629353030109
 . . . . . . . . . . . . . . . . . . . . [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)
							835714606948ae45659150306d5faeaab4684f1a
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.concretejungles.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b04bab9ee000004030046304402200dca387a99b9c625d074c017226780eb99e99e92be4697b9d995d23f7fa11e44022011e9c6d3c3a7aad6b092b079f40103a1fa0797229db5c1d9a3713c4a89f33133007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b04baba120000040300473045022100d12636a4e22a8da7a425dce4c1c76ebeb3e06df29a6ed5528a322ff38c91c96002206e9dda86014d0e78aaed98f1807cdde87b2964d96b36aa6be387f7613cc6d7f5
 . . . . [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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