persephonebooks.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:ec:ce:be:6c:c4:6b:a3:f6:6b:66:c1:fa:1a:67:82:a0:0d 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:ec:ce:be:6c:c4:6b:a3:f6:6b:66:c1:fa:1a:67:82:a0:0d
Serial Number (int): 429030592029979548412738668350368362176525
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 15:4e:22:b1:9f:4b:56:cf:a9:1b:59:19:bb:73:28:46:54:c7:30:6e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f8:79:c8:72:55:0c:0e:ff:47:f1:89:2a:90:50:1e:b5:27:6a:10:f0
Fingerprint (sha256): b1:66:eb:24:05:b3:62:84:5f:7a:40:bb:be:d2:0c:0f:3d:2b:07:48:bc:4f:9e:fc:d7:dc:ff:a9:c2:11:3b:72

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-----
MIIE9jCCA96gAwIBAgISBOzOvmzEa6P2a2bB+hpngqANMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEyMTIxMzE5NDdaFw0yNDAzMTExMzE5NDZaMCAxHjAcBgNVBAMT
FXBlcnNlcGhvbmVib29rcy5jby51azCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC
AQoCggEBALmV2U0d1X6nW6DkTBO7jhNKh2LNqDgiqDyqRiXc8/qzxIGUnA0JkZgV
tIZCeCAktviLUFkiSe3Z0n/bqxoKGhnKtsremBEWsUVVnIoEOZ1jrIcjXMFqdNfl
G7H94JnutgeWV8CLSi7/P2VyCs/v8Q7GiILiwWWkxJFfe0JWPMSbhW6tXYxv5Yi9
TS3G5w7qB08RXh4lw41U1uyeKOKWgk2m1KO08E8oifhxBrpqQMwcqxVRwj9MK7JB
cpAhBVLkUKeRk31pZaiBTXjV/D8SQiJr+U31BQn8jLFV7T8rQF+SWBHCQQABEGb0
gXk4SnL8ZuAI1CpmVPb2W+VWbijt9XcCAwEAAaOCAhYwggISMA4GA1UdDwEB/wQE
AwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIw
ADAdBgNVHQ4EFgQUFU4isZ9LVs+pG1kZu3MoRlTHMG4wHwYDVR0jBBgwFoAUFC6z
F7dYVsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVo
dHRwOi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxl
bmNyLm9yZy8wIAYDVR0RBBkwF4IVcGVyc2VwaG9uZWJvb2tzLmNvLnVrMBMGA1Ud
IAQMMAowCAYGZ4EMAQIBMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHYAdv+IPwq2
+5VRwmHM9Ye6NLSkzbsp3GhCCp/mZ0xaOnQAAAGMXmXvXAAABAMARzBFAiBAFv5e
ZrpcRQRWUi4x9fcjqbQ5Elu6nmewRHq+4KLv8AIhAO8QJJUjVdSBx5lx0YWXRB3O
PpKXjx6t1TqqvrxZQOxBAHUASLDja9qmRzQP5WoC+p0w6xxSActW3SyB2bu/qznY
hHMAAAGMXmXw3wAABAMARjBEAiABrTFqf9YXEUDTxfVN0usd24ZoXi8u4G6qLXjZ
cIHOpwIgDXAwyqVha3LC9qmWYEsQ3qPLk+SyE51Bnrl9D5G48GAwDQYJKoZIhvcN
AQELBQADggEBAEmqFWOaXNFAwX4whxgGmk62rLVC7UpVW3HmV7EaHlvD/eyu4/eK
A6kjmCieL5mPfsgdBammurKP8YPkVI38L19VuKdoH/eFVc1qWnlxklJ+VLkewBO9
+1QrIGfSUIsUVGtWUmQQIs2w7/pvs9ks8zAOkx7tQRY0VV1yVzUEOd+wh0OCFU1i
W86Kv1G3zpTDhg0V8uDQK1jdKBI7AmXMVFo0I/Aib+6L9NjmmbTUSgBZewkCWlTx
121RQ8bAvltnoARwBh2xfzWCfZQjG5d0KNsWESXqRtvdc0hGkasp/2h1PLrmP+/j
5zfUREdAQqOaLULyL5cvW9NmP1qK0O8Leww=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuZXZTR3VfqdboORME7uO
E0qHYs2oOCKoPKpGJdzz+rPEgZScDQmRmBW0hkJ4ICS2+ItQWSJJ7dnSf9urGgoa
Gcq2yt6YERaxRVWcigQ5nWOshyNcwWp01+Ubsf3gme62B5ZXwItKLv8/ZXIKz+/x
DsaIguLBZaTEkV97QlY8xJuFbq1djG/liL1NLcbnDuoHTxFeHiXDjVTW7J4o4paC
TabUo7TwTyiJ+HEGumpAzByrFVHCP0wrskFykCEFUuRQp5GTfWllqIFNeNX8PxJC
Imv5TfUFCfyMsVXtPytAX5JYEcJBAAEQZvSBeThKcvxm4AjUKmZU9vZb5VZuKO31
dwIDAQAB
-----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 429030592029979548412738668350368362176525
 . . . . . . . . [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 2023-12-12 13:19:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-11 13:19:46 +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 23427979632288740997922459960946224495882264389288831592608691135816558281005056888155800234794203548267313099068790660725141834262953191129043041954652637492480830173517283446342815599135612161340473705120492453167715928207425105009255132793171599615828293818754314975718250789324793855415911821779033173515893960459502231219145300270660118423808678195155397355643982297649354401537829695125901808945911069833687056776478965286214294982041414552362496520449497139241433683537204604419458373708665767932595779905279308578876127893579136984011914652037589694096206003700503348761017011379870790636930136387944711058807
 . . . . . . . . . . . . . . . . . . . . [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)
							154e22b19f4b56cfa91b5919bb73284654c7306e
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c5e65ef5c000004030047304502204016fe5e66ba5c450456522e31f5f723a9b439125bba9e67b0447abee0a2eff0022100ef1024952355d481c79971d18597441dce3e92978f1eadd53aaabebc5940ec4100750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c5e65f0df0000040300463044022001ad316a7fd6171140d3c5f54dd2eb1ddb86685e2f2ee06eaa2d78d97081cea702200d7030caa5616b72c2f6a996604b10dea3cb93e4b2139d419eb97d0f91b8f060
 . . . . [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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