1plm.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:3b:96:5a:46:6f:45:56:28:73:38:e6:3b:15:d8:7a:98:ca was issued on by Let's Encrypt.

With 8 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:
  • 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=1plm.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3b:96:5a:46:6f:45:56:28:73:38:e6:3b:15:d8:7a:98:ca
Serial Number (int): 281613370378285571718651504879564182165706
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5e:a5:22:36:ee:2a:47:77:b9:53:29:35:58:a8:fe:ee:0f:61:45:a6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c6:fd:eb:6a:f4:c8:9b:24:dd:a6:ec:cf:a3:2e:5d:89:b4:e1:41:5d
Fingerprint (sha256): 13:7c:71:df:6b:5e:78:74:db:01:e1:f6:21:79:1e:59:16:02:3a:ad:f0:6d:48:ac:d1:88:b7:62:fc:3d:8f:73

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

Revocation information

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

Check the revocation status for certificate 1plm.co.uk

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 1plm.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

1plm.co.uk
cuttingedge.co.uk
cuttingedgesolutions.ie
oneplm.co.uk
oneplm.com
oneplm.eu
oneplm.ie
www.oneplm.com

Other certificates including the domain name 1plm.co.uk

(limited to 100 certificates)
1plm.co.uk
1plm.co.uk
1plm.co.uk
1plm.co.uk
1plm.co.uk
1plm.co.uk
oneplm.com
1plm.co.uk
1plm.co.uk
oneplm.com
oneplm.com
oneplm.com
oneplm.com
1plm.co.uk
1plm.co.uk
1plm.co.uk
oneplm.com
1plm.co.uk
1plm.co.uk
1plm.co.uk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsaWHxO54RkVqLgb6f/Wj
MBH+KQSSPL3JXgu3jgHliO75uABEt62mI+IoZkMMbgjvx+xk78FiU5WXLaEhBsRs
kHHk3ahKw+YOlRzinCD5VN2hB/RVMRR+mTIJDHi3SZao+qFVODp7RT3QFsd+CeLL
W0lpTo9dz51a7ULUY/NzKKXGDx5DLWNh4MRwyX1b4AR/rbyaV31HPHPhMef2ScNG
LDRme47D0XXr1xsXdU8f5E+nOsWtxCVsvb2kGD1i1ETZT6l045VwiyHNhxx6AjJm
exR2Av3BD5Zwf4oWzYgcBCd0Z1tI7opi3DjDMuao3re5uk4Avdj31Cp7ymxhWHMs
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 281613370378285571718651504879564182165706
 . . . . . . . . [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 2024-02-22 13:32:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-22 13:32:23 +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 '1plm.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 22425806036174534934574378955903681178319338465025284183034624036878241257903571302175646251930222534549360010319547640167318317106265778768094830368360254020452392622651912249106969752226727025183417329976463894807183603749555357476114844239328164439324649489738012931743329119627432660588287425822886583212260753553818206863176818102442889497116298241852617063579983189535951613008222854389162362768990308793514330511287703863856404188085093857841824656695508601744343379313503083745534546856060344351526796912729874797243637675773211730510508211366663045988995544778310760802571747885726086895080796506273977936951
 . . . . . . . . . . . . . . . . . . . . [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)
							5ea52236ee2a4777b953293558a8feee0f6145a6
 . . . . . . . . . . . . . . . . [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 (122 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '1plm.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cuttingedge.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cuttingedgesolutions.ie'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oneplm.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oneplm.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oneplm.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oneplm.ie'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.oneplm.com'
 . . . . . . . . . . . . . . . . [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)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018dd13b5b040000040300483046022100d4d4f20f8feb4936e7a5ef640e4e9c262b2c61de853900162df6a162a8863994022100f8aee15a5330d6eaada66a13b26b11eb04062d4d36d78a0f243e6ccfc0af60ed00750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018dd13b5b83000004030046304402206ab99d47da853de2a760916936e718515260841f715092c380562fd00c27404b02203c5db994150e1f90e1b6e8b29d7b9284926916ea93a32f233a67b48131e21f28
 . . . . [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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