www.allsopdurn.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:7d:51:16:31:bd:e3:93:71:ef:65:00:09:8a:33:98:8b:3c 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): 04:7d:51:16:31:bd:e3:93:71:ef:65:00:09:8a:33:98:8b:3c
Serial Number (int): 391092222299230385112826661466961450928956
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ab:89:8b:d5:8c:af:1a:1e:7f:87:86:dd:3f:0b:17:83:96:0a:24:27
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cb:77:2c:2c:a6:ea:f8:6d:f8:36:8f:7d:43:8b:f6:eb:0e:46:27:6a
Fingerprint (sha256): 20:e0:0f:fb:c8:48:a8:ce:3c:52:30:1f:86:fd:c6:37:e8:0c:5a:da:a9:a4:01:cf:33:2a:ca:40:95:62:a9:48

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsVvBEAvl0oH+9ozoMZL9
0NmpxvwaMU4+2zlVdCPv/BjfZNtgRXdc6tDa09hKFAml5SPA8uExhHZQepvm+MM7
2TeYT+PmiDS4l9DV9fnsR2W+V807Kn7B2NWQDhaBJI+VIdQW3JeN4yncd/f2vrDx
qzGAl6N2/r+4KcmF0dYDP33kYO7C4LU/I/yl5+fpHnjqrZ7FrAcnUrpRS8KuzPFg
FnUPtJe4wuQ+K6ha7d2RkwK9ZJ7NOZHuP7M2k6HFmDOu9X2HgwoXY92lupLqi+fB
i93i14UAIifcLkRl6aj9wYtn202oT1B5B2Z5lu5w3JvdIvKLE1tVkAjkYxJaOaia
vQIDAQAB
-----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 391092222299230385112826661466961450928956
 . . . . . . . . [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 2019-12-04 13:09:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-03 13:09:04 +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 22389425637228456526736813607020146040842803023844743879189947924747402176648224102466540306711849163119720175185524114427011497455304642552845925682303439569578006532642439163134869893336554891262130460916659190127749612798561447180516889131122636173303650619102968381333843120372218213648850322910824213538079076171041037417991155559838156616757491284349983209695061197034666672782788255653810862663760308439872435748857015324649488530104700636213538799824301878850461532679329607039352405874778484707020584644505322462228797116313232379255982926513405700107781961570533830019238346286187183388760234933924294859453
 . . . . . . . . . . . . . . . . . . . . [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)
							ab898bd58caf1a1e7f8786dd3f0b1783960a2427
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ed13e33480000040300473045022100d2d692a1df4c960340159ab01ed26c09f4bcfdbc29a6bab111970f78778a7e9702201ad9f415e67b8e4dab78c2fe40f4589aaea3e928377aa74e8fda6a485efd7e9400760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ed13e3374000004030047304502201a563e1f6c6dead8f83dedbf975af6a73617cc300ba81953db0ce44c4f39f6e2022100ebfa57a7746fac1e6c8b19398a92ed4896e04ef6aebc105ce271f0f1ae00e9fe
 . . . . [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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