persephonebooks.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:9b:fb:99:e7:8d:89:35:87:b6:19:24:ba:d3:fb:3e:f0:7f 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:
  • 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=persephonebooks.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:9b:fb:99:e7:8d:89:35:87:b6:19:24:ba:d3:fb:3e:f0:7f
Serial Number (int): 401527345944598071654384380669576725065855
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1b:16:a1:79:e0:10:de:5e:48:84:28:0b:ec:3a:59:10:79:02:09:88
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 23:0b:c0:cf:ca:74:dd:65:0c:7e:53:77:e8:f1:f4:cc:ea:b6:10:b4
Fingerprint (sha256): 88:6d:5b:a4:d9:64:fb:db:5b:85:52:1b:06:8f:5d:68:d7:89:52:39:db:5b:94:46:5a:40:6f:51:06:eb:d0:7d

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

Revocation information

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

Check the revocation status for certificate persephonebooks.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for persephonebooks.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

persephonebooks.co.uk

Other certificates including the domain name persephonebooks.co.uk

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

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArrnSt4T+orZ9TRMg4xKH
LDcqGknp4JLAHTv8s8/G3Jl/GV0N1d9x715BGk0WqRMHeV8B50dbs7w9oDyvSpA+
39jTDCQnfP1EEKZNq5vco9B7giRI97fTVHpIpD86E9gW9pVavzGBOWdZoIvJ9veK
vqCWjem93j9lkLMD4IFe70u+pkT7o51iAXYKHAiH79N6LGyUAf1c1AK2pvltDEmi
yXmT8GjBg6kza/hzg5Ul7K85FMjOsDJppr98jLR9fY2AYLjBLcBWFuolxJ9+Y4JF
hQKL5lTZD5iRVmE5r/qcyjY0qmnO0kQ5xHhTJLYVBbIMCfWLoH4kQ4CzGCNCeuQf
3wIDAQAB
-----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 401527345944598071654384380669576725065855
 . . . . . . . . [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 2023-10-13 14:15:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-11 14:15:03 +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 'persephonebooks.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 22057097856209661481761503039704727530453035015141662131931521179229411498551672309492380622524511666560275069133611044315156381929800013946029347338765361753734380631106785972176284656964109001980047019373155151262391093317809165605950397875495226861142614426982457678202880429981541143838777530749715226501854780854810481716541332384089765641132791200544515648674735406093164146726855202551671690944759008041913916006149115959205473812205903673186956433098926586673409907812653980632259615050218218269360472813849912462319695740124037820075705663316592548904175024458663310385073292961351737742245250781418860322783
 . . . . . . . . . . . . . . . . . . . . [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)
							1b16a179e010de5e4884280bec3a591079020988
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'persephonebooks.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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b299afd4a0000040300473045022100c57277b37ed0fe1a50ce0b630c69ce3e42b7a211424efe781057ccb3e0a7620e022021b4d59035b5983750156b7572b269b9fc51995a0663d32b49d9aa4b097809da007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b299afd52000004030047304502204e247bf4cd2bc34eb2e6387273720eb8e0891b992d685f4e7288c9357b03f8e0022100da7e8aaa0611693d3705ee429a9d6fd15a06110696055be1e8750f7cc717a2e6
 . . . . [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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