jmpolymers.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:28:e1:25:98:de:b9:ed:59:21:ed:dd:61:0c:a7:1b:18:e3 was issued on by Let's Encrypt.

With 2 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=jmpolymers.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:28:e1:25:98:de:b9:ed:59:21:ed:dd:61:0c:a7:1b:18:e3
Serial Number (int): 275247423986726103834805579404668068108515
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f1:4e:91:70:49:61:fa:0f:1e:b9:4b:96:f2:75:c2:b8:da:e7:2d:ec
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 06:11:a0:d2:a3:2e:05:95:9a:26:83:db:5f:1b:18:df:03:b3:06:b7
Fingerprint (sha256): 3a:1b:66:72:fe:83:84:c4:0e:81:5c:0a:f1:0a:0c:a6:7f:5b:89:cc:53:ed:e6:db:19:aa:ab:1f:72:98:16:1d

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

Revocation information

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

Check the revocation status for certificate jmpolymers.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for jmpolymers.co.uk

Public Key Algorithm

RSA

Key Size

4096

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

jmpolymers.co.uk
www.jmpolymers.co.uk

Other certificates including the domain name jmpolymers.co.uk

(limited to 100 certificates)
jmpolymers.co.uk
jmpolymers.uk.ictv.ca
jmpolymers.co.uk
jmpolymers.co.uk
jmpolymers.co.uk
jmpolymers.co.uk
jmpolymers.co.uk
jmpolymers.co.uk
jmpolymers.co.uk
jmpolymers.co.uk
jmpolymers.co.uk
jmpolymers.co.uk
jmpolymers.co.uk
jmpolymers.uk.ictv.ca
jmpolymers.co.uk
jmpolymers.co.uk
jmpolymers.uk.ictv.ca
jmpolymers.co.uk
jmpolymers.uk.ictv.ca
jmpolymers.uk.ictv.ca

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 275247423986726103834805579404668068108515
 . . . . . . . . [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 2023-11-27 17:02:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-25 17:02:56 +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 'jmpolymers.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 897147859631182009068794694039340342072926169023577491342377803442857068252253329037807160033474466560279183172480221813990166117142126851616274302966065279844716592499961787222728613253879413496412876044326192299359202550318544526170038329380707427197996779374500600683708029401789341735913785882170528871229545225184147816189801187913690848847306262014357270795597267592313059122620313223737021017950536560800991095163740967776643345685955090993580705821005502453595533592648757793993206157505894401431308035884999015740115604482661826658589488483568520148697912579290782661864550582207689758452224620553952510753497697741333269927951128232367513804509633607543017386577566025027802356862154947424845417078959992117925736682945413805849103804311892928841698866565261757056036353979548301430987105610550427170427834781904963682450402489543685829644217926608163247605777396661249669717189017388617526733413469669600062671639707105136451443216285198066416240029036493764261020025053690463480056724151715812362108515235556056938810096129686020576172595805028808579700661413018238129211626251340719281189203496523254948103804492293394274122890340314227860374126108180216957598581663301317341592491732710947198055089961368041802599798461
 . . . . . . . . . . . . . . . . . . . . [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)
							f14e91704961fa0f1eb94b96f275c2b8dae72dec
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jmpolymers.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jmpolymers.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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c11f2da5d0000040300473045022100fc9c7f0e6ed564a682c4258ea6bb44db0273f3902fc7b4d6560f8991bc4fcede02202fbb5cd1518c1304144379f987ac163cb4df5d12fafd8c2161c1c771a4429ba8007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c11f2da930000040300473045022100c57f63fddbbad6a7bd7bd21f84490f44a65d6a0e853cf628ca37d5471080b60d02202678e101f1b2e7e582e3f130da2456c6bb3cb78eaeef32d741a1ba719bca0609
 . . . . [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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