aem.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:5b:fd:5d:5d:d5:52:95:36:57:98:46:62:6a:a6:72:9c:f2 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=aem.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5b:fd:5d:5d:d5:52:95:36:57:98:46:62:6a:a6:72:9c:f2
Serial Number (int): 292639332654792817482372659891326038482162
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: da:32:93:20:f9:2d:a0:47:d5:46:f5:78:05:21:11:ae:78:50:e3:60
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d4:2e:2e:17:77:76:5a:64:6c:01:a4:7b:d2:96:cf:b3:2e:85:e4:32
Fingerprint (sha256): 60:76:cc:46:81:a5:56:45:3c:6b:87:8a:67:3e:7e:c8:9f:0d:ee:02:93:eb:a0:48:08:43:64:fc:c3:92:7c:a6

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

Revocation information

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

Check the revocation status for certificate aem.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for aem.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

aem.co.uk

Other certificates including the domain name aem.co.uk

(limited to 100 certificates)
solartronmetrology.jp
aem.co.uk
www.aem.co.uk
aem.co.uk
www.aem.co.uk
www.aem.co.uk
aem.co.uk
www.aem.co.uk
aem.co.uk
aem.co.uk
aem.co.uk
www.aem.co.uk
aem.co.uk
www.aem.co.uk
aem.co.uk
www.aem.co.uk
aem.co.uk
www.aem.co.uk
www.aem.co.uk
www.aem.co.uk
aem.co.uk
www.aem.co.uk
aem.co.uk
www.aem.co.uk
www.aem.co.uk
aem.co.uk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxoxF34VDqETs//RJbeRS
2U1zPbI+CbPGGH6CfumN2VSMtg/rwlIIQoLgBMan2sxUfmDMuFi0+/TM9dE/m0qR
AecTkfT/jfCmZdCAlT4kShwnBZTBOqGczOSRD6GIk8r5TVHXun5P7v8Sm2pjadsG
wF8MsnFrljXL7mr41wE4Z56516b/vphqOFVZkRtsjez4mg8zYWPZY7coBjJzCyjm
QX3Lwo9qmV88VD9YK1fgK9AxL9tL0W+W/DfLIw+EBsPe2qwTwFfT9aRAVvWuhRNC
ZO96YMUJn4BSfFJ9xC0Sy8JSJhLGhyK6J1J7YOVqxmN3vDN0FS9ZAgd5xIa+3SsI
0QIDAQAB
-----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 292639332654792817482372659891326038482162
 . . . . . . . . [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 2023-09-12 02:50:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-11 02:50:08 +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 'aem.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 25064355548976692066259401887118813562664185786485141538765003326316104897903425120097424425222625990575213587888033872139946646086482627434239439876303547289706135515944272274254892468078761389842991846931737481360214631859430331921210204911114816220085241392600273347173687668245209716657847452126272838235197058035888750340991920514199037496883435292987321115097192654238340518856145929446536708936551662049620038234095974048714861434842107975828562962061329133815697730449261869509082134511870165154107712036228806181037705249992634771286575772481871407517156756199992602681697047255181172101802014977442917845201
 . . . . . . . . . . . . . . . . . . . . [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)
							da329320f92da047d546f578052111ae7850e360
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'aem.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)
							00ef0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a8782c64b0000040300463044022015f7a507b4e960cc1cf20797df5db4fce82cad313c4cd6fcb8fc8f46876fb1b702206d8fc90191568a651f8ba2998cf20e3ec2871b957e7c1205f9495adcc4f7a066007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a8782c7fa00000403004730450220034d0c817f95ea05e19d100a36da3a3a3450d8a78305317d0e7803b953bf285d022100c133711e0b6f4f5371a8dc50803aa93149df0a90ca2b5e1eee143a3f292153e3
 . . . . [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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