DV SSL/TLS Certificate for pckeys.uk

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the pckeys.uk DV SSL/TLS Certificate

This certificate with serial number 05:5f:a5:73:20:a6:1d:9b:55:aa:98:de:c5:ee:d0:25:b1:a3 for pckeys.uk was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for pckeys.uk provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:5f:a5:73:20:a6:1d:9b:55:aa:98:de:c5:ee:d0:25:b1:a3
Serial Number (int): 468108174911931775033902800267879389704611
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: ad:f4:ec:e8:20:89:11:e8:2b:de:f5:71:79:d0:39:77:93:d0:12:5e
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 29:49:9e:2f:85:04:cb:18:c2:f3:00:35:12:3a:2e:e5:03:1b:04:83
Fingerprint (SHA-256): ef:d2:70:1b:b5:b4:16:09:2d:78:db:47:2b:12:b9:ab:6b:2e:0e:6f:e9:a5:54:94:49:a9:4e:aa:3d:99:5e:f8

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/36.crl

Check the revocation status for certificate pckeys.uk
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for pckeys.uk

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for pckeys.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkYwdPxxjGaqfge8PU60R
Nz3/VmtE0QmSRj4ZVZX09lIo5uTwXuS4z+cDyq2tftYIkQPwwwjVw3m/qbSayfTm
lfEWu8Zy7ete7onOApwbBvpohKhTn3b4h8mUZC1w9F4AZOBis3t1B10jF/MHpWZO
jPKs36thzbZ0Q+4GRXm70e8EnQtRY2raEF/CpBJc3h2a16IRWms/ioxh1lztwH/m
4NA7VvUumdvEe7nHCVhyg+EV+/6AhxJxMQ4T+HOXbuTL2sT/zRSYOWFv9g1TttB+
Vx7dg22H73lY+gANex9ZyXqhQ5Li844HQq2Ub53Pk4Fl11P5JHcYTlMmYMjbT3fw
NwIDAQAB
-----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 468108174911931775033902800267879389704611
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-20 17:46:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-18 17:46:46 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'pckeys.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
 . . . . . . . . . . . . . . . . [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 18373647129044044526375967856382508250097951098877175844730548116454239131595838619104551825609789353389326402808116654186041675366031454590496042462035809627650157301940363022098301476698051271064588721775474995930328296557084074676512235944759580867799858946078056964945866492770476914101892908970077460147365258047169336206802235812294012273613276371790310040441729078274738235148811051600130789436745039362201248405338414492343447266592248462860465889913890702261216013486354113835327686894029922427313308956806125676157789314677767463018188319622642186538495265067134801323458930144454398158773644980769579855927
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							adf4ece8208911e82bdef57179d0397793d0125e
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pckeys.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pckeys.uk'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/36.crl'
 . . . . . . . . . . . . . . . . [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)
							00ef007600ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe0000001978ea8cf740000040300473045022100e1eca3c06f1ebece171c937756f6edd8184dfc21f673d16a1b88aee68e9c9bec02205fcd6e1ae99f76e9e59597a0ed370fcd72573997e2b7f33eac5ee6fb50a8f0500075000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa34000001978ea8cf760000040300463044022041f1580d22d762e1975b0d1d7fc4cef2de472bc0a65725512514f3aff36b7d1d02205dc2ee76c092d7b2110b41596d4b2393153d65bc07dc2512020eb673e2ce835a
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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