persephonebooks.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:c9:e8:11:4d:ff:06:03:b0:26:71:d7:98:08:ea:e2:25:54 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=persephonebooks.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c9:e8:11:4d:ff:06:03:b0:26:71:d7:98:08:ea:e2:25:54
Serial Number (int): 330042084292408648961591458954666829817172
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ff:dd:f4:d0:4f:50:43:af:eb:fb:28:aa:2d:61:8a:a8:a8:d9:d4:81
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 83:fc:a2:00:0d:f8:ad:2d:8d:2a:b8:0d:ec:2e:17:76:21:17:b4:29
Fingerprint (sha256): ec:90:cc:1f:75:6e:96:d8:16:cd:fc:33:04:42:9d:bd:a3:75:69:b4:a4:cc:85:3b:a8:f3:8b:9d:89:61:6f:0c

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3o1zJMo/DJZzlY2tKBUI
z68bXT7OoCunDhDvqjSxF5GpGtK1gH9wtWfL7oPevrMnhnkDGGCcdxmcku9cEda6
ANMJSvuRiRUSznAJ26tUxPvGJt+b1Z2LWRqQNWcv2Wn5JeEWUXo8oqVD0Z+MHp0s
l14EcI3qexKGBCWbJgrIBfjCCBqPp7DdMTXlFhNu+F09A5jsnU6TwgDFiVj3vgIr
j0D1KpB/Eg25risvkcLjlHhJ3lxXGdHcl7eluuDXlCQNHOcKuMXPnBtGsH+vxmzI
xnh1jfXNz6THXx/UE7QGSTYWuPr70i998Mhl7W2wyqdn+AjlO+3iBWwxlqfOzDoP
PwIDAQAB
-----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 330042084292408648961591458954666829817172
 . . . . . . . . [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 2023-04-16 16:57:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-15 16:57:19 +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 28094655188716283856129063805876595739231214037840612296352375047245909233003651795731823592420619795610577142927562782295762798597651075421181828088763339151752056490882624362654128850390631165825394496530842574686286643548611484481080671312477834228232363771543794342455102437281276587176087340160478426170406744851567177982436109522811194341082174632251043816643105689234017556715974175122963739902495925652979109775886143332925658210758504942473211829264474615844071547291676690269548534479043907498330204366352022875240700880587685578313457501774902770160685398202936884058430239322363744912757732283352681680703
 . . . . . . . . . . . . . . . . . . . . [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)
							ffddf4d04f5043afebfb28aa2d618aa8a8d9d481
 . . . . . . . . . . . . . . . . [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 (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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001878b36d8cc00000403004630440220659d1ce1d51ca80bd8ff4c644c95de6a49def37b52edd7ff9355b8f7fc28df8b022034cf19841cb26f57f4f023a8d957279cb771fd30f8e332b163bfbd0d3e41594a007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001878b36d8eb0000040300463044022068f236ee2bf743599c281be4a53243b1b06888c418a4a892856f6ee46da0d12a0220242bbe255a8b9a821ad3a368c48e7e39bc39ec8ed66c7bafcf554490cc109c77
 . . . . [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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