www.allsopdurn.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:7a:52:d1:c4:17:16:eb:38:b1:c1:c3:7b:c8:56:fc:c2:43 was issued on by Let's Encrypt.

With 4 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.allsopdurn.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:7a:52:d1:c4:17:16:eb:38:b1:c1:c3:7b:c8:56:fc:c2:43
Serial Number (int): 302961392422514652452026596435747151856195
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ef:23:65:55:e7:57:2a:f7:82:6d:3b:6e:d8:60:e7:30:68:64:44:db
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 99:2d:6b:70:91:92:cc:1c:f6:4f:87:75:20:f9:24:ca:61:bd:98:b9
Fingerprint (sha256): 97:a1:5d:4d:ed:eb:72:d9:53:f0:fc:d4:c8:7d:86:39:12:20:c1:97:25:13:ba:ad:d2:7d:af:88:f8:8e:ac:62

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.allsopdurn.co.uk

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.allsopdurn.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

addlaw.co.uk
allsopdurn.co.uk
www.addlaw.co.uk
www.allsopdurn.co.uk

Other certificates including the domain name allsopdurn.co.uk

(limited to 100 certificates)
www.allsopdurn.co.uk
www.allsopdurn.co.uk
sni.cloudflaressl.com
allsopdurn.co.uk
allsopdurn.co.uk
www.allsopdurn.co.uk
www.allsopdurn.co.uk
www.allsopdurn.co.uk
allsopdurn.co.uk
sni.cloudflaressl.com
www.addlaw.co.uk
www.allsopdurn.co.uk
www.allsopdurn.co.uk
www.allsopdurn.co.uk
allsopdurn.co.uk
www.addlaw.co.uk
www.allsopdurn.co.uk
www.allsopdurn.co.uk
www.addlaw.co.uk
sni.cloudflaressl.com
www.addlaw.co.uk
www.addlaw.co.uk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1nx8Af7Oaky5Jvscgtlv
cZE27b7v7Q0VA4JQOvKJmoqOKeDDhX6nzV2rKISbak7nHfkIVSKBEDUqmHgYrIBg
SQKEUSMbQWjo+0ODvWKloPE0QWfaFBDbU0e2vKvsbM2dlpoWys2t+Nnj+mv6LDVh
gFTaBDM8SSJXn3jfEpVVUFXGggZE1rSUylxwv4cFJpgJ9trvhRAydkKQFfMpYNsc
SimL7P7ghhkNdbYgrw5gUP9b3MudHHR8XdYTKp4axZ+SdCQK1bVajX66QSCSbKCc
Y/JD8XvO4822YtRta0LYB0LORoLCzgxJ2y4ol/BoKDqHKxKbqq/Hc4mwNGwE23If
9QIDAQAB
-----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 302961392422514652452026596435747151856195
 . . . . . . . . [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 2020-01-03 14:27:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-02 14:27:38 +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.allsopdurn.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 27076382810932891829332294777686369758995157755631195678477568811231115244984082535045761511894612052622608391246335147554940445051569612127319004353004669658223933269642861705189054689362207012625120763246089071109323500801753063510317920031783140733411134784197177318374660855287375770581683668659988709394046361686117902843694268491319101792656552922192221888790531195667001647881969470101392970995413259286282487747130138002460317320534126508968215098262680096391406162497591174803489210092892554680987425027662904143207236432558145103987229441358002127277364493438280700310305631312380877891941198608409421815797
 . . . . . . . . . . . . . . . . . . . . [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)
							ef236555e7572af7826d3b6ed860e730686444db
 . . . . . . . . . . . . . . . . [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 (74 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'addlaw.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'allsopdurn.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.addlaw.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.allsopdurn.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)
							00ef0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f6c04e8ab00000403004730450221008305226e96ae8420688c16b55dd2d61ae617eae51f640958feb2d12c2f7d4dd802203f5ec183b049b72f43df8b276cae8b9dcadec519bbfef5566d82a95c8a59746200750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f6c04e8ac000004030046304402202b69fa8f0fdb40f3c9a5814be82fed0a191b5f5d2eddba02607fbf138e314272022077f5e5f8ba57575bca61a4ecc6f8dc4ecf286a28fe5980fae9ac1bef13ea9849
 . . . . [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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