aem.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:46:a4:09:d0:67:cf:7d:66:15:6e:45:91:52:34:39:f9:bf 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=aem.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:46:a4:09:d0:67:cf:7d:66:15:6e:45:91:52:34:39:f9:bf
Serial Number (int): 372486953760453045338890555668895052200383
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 47:0b:a5:06:8c:10:b9:b5:d6:80:d9:61:f4:e5:61:57:60:ef:c5:96
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 96:dd:ae:b3:53:09:22:f6:bc:55:90:7d:f8:19:1e:95:a5:2a:ee:5d
Fingerprint (sha256): ea:3c:6c:fc:6e:f3:f9:41:bb:06:be:1f:ad:f3:65:8c:fb:ff:3d:90:6b:37:ae:99:b1:5a:da:31:5d:f5:c5:e2

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-----
MIIE4DCCA8igAwIBAgISBEakCdBnz31mFW5FkVI0Ofm/MA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzExMTEwMjIwMDhaFw0yNDAyMDkwMjIwMDdaMBQxEjAQBgNVBAMT
CWFlbS5jby51azCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALORjvuC
E+73FjrrnJEzlN1Ugqfavnti0ZQdMOGUZsDiHQUBo9Lcw6rwZ2hs438kuFi8q6R/
p29w601FiUmr0pmTk7aAg9Ekmo8sx2k/Hu8u30XDWSvslM8yZbnqXN8t1l+w8517
fdAQGWVZP8owXATYCGLMf/OSdt9eG4g02xOlr6HMvbuokZWeNQ0OsKgQWPiXLNXB
MWvx1lcsSWQGoqqg7ORrqsySCVBQdpFh1aJmQlaJhzAY/iPhjkEA0gZwjBgLFFkZ
lMbcpDxxpiAFKlzQwPFm0iIvD5uc+XmWBbnyswOsVcltQ4UcJnJU4+kjOCHLx2tf
tiyry0LwH1XpDvECAwEAAaOCAgwwggIIMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE
FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU
RwulBowQubXWgNlh9OVhV2DvxZYwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+v
nYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5s
ZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wFAYD
VR0RBA0wC4IJYWVtLmNvLnVrMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBBQYKKwYB
BAHWeQIEAgSB9gSB8wDxAHYASLDja9qmRzQP5WoC+p0w6xxSActW3SyB2bu/qznY
hHMAAAGLvGTckwAABAMARzBFAiBoAHSrMrRVNFHjm5ruDfr/3C8aGF+T4esQOHeo
6v6QZwIhAPHaA0fQvZqMgJ9/nXvmB64LvjIt3Mq9QqG+oZKJSRLIAHcA7s3QZNXb
Gs7FXLedtM0TojKHRny87N7DUUhZRnEftZsAAAGLvGTcmQAABAMASDBGAiEAhBLf
H8aLa5bSGpSCRpS+VY8DH/qb2GONv2KAK5/PNBACIQDW8q0vcjdm49bFiZX4Hr5n
R1t8u5wtYfASjLFHdQW5jzANBgkqhkiG9w0BAQsFAAOCAQEAVhbzeXVKy3la9sNY
mwEpdhzPzuA1Q+bXnmdv1su9MZzuoPy+mp1z6/NDEOu+mI+yCjVVAsfJwi2A2Zvx
uAzdJerwrkgaLJ8JsLCw6pwIoMzEVFo/n2aGFG/y426vmt2Vn53UolEWRMiiQLOl
1EApwjbCzMqPY8RO8ilNA2A23FiSRRc7vstjp0zGXfHtwudVdZ4MZKMFufNnvfoR
W1pJ3hePrBMEltjA9rzy+OrtJmGkhGzfk2dbaChJ1iD3L2E6Td7cw1JatW2AEeqs
s2R3c6U3wjMxk7lyHL6lf9DUsK19Sxxn54TiIhnuY8zENpf/aQYUe6paU28f9z9M
KsqCug==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs5GO+4IT7vcWOuuckTOU
3VSCp9q+e2LRlB0w4ZRmwOIdBQGj0tzDqvBnaGzjfyS4WLyrpH+nb3DrTUWJSavS
mZOTtoCD0SSajyzHaT8e7y7fRcNZK+yUzzJluepc3y3WX7DznXt90BAZZVk/yjBc
BNgIYsx/85J2314biDTbE6Wvocy9u6iRlZ41DQ6wqBBY+Jcs1cExa/HWVyxJZAai
qqDs5GuqzJIJUFB2kWHVomZCVomHMBj+I+GOQQDSBnCMGAsUWRmUxtykPHGmIAUq
XNDA8WbSIi8Pm5z5eZYFufKzA6xVyW1DhRwmclTj6SM4IcvHa1+2LKvLQvAfVekO
8QIDAQAB
-----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 372486953760453045338890555668895052200383
 . . . . . . . . [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 2023-11-11 02:20:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-09 02:20:07 +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 22668434172892389082929708089262316314662211118383329386428358179618693607827296328338238195250319631758149914769346013998932359849419873066243115904083828214514987163552373593981915078397367254544335560533801142067987740269224398754122300662322752473508341960293719886999812667795455248853723310967171416396037294852371172751495457745111602627790249835103486010610460310746938266860038863892255317474539825929780979907788158732513333293996311862574602893649820199126550399296460914255059944174671581534433340639299163842144561685489643905464474289353370814338944100640342908573372537978256229225718435207849280343793
 . . . . . . . . . . . . . . . . . . . . [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)
							470ba5068c10b9b5d680d961f4e5615760efc596
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bbc64dc9300000403004730450220680074ab32b4553451e39b9aee0dfaffdc2f1a185f93e1eb103877a8eafe9067022100f1da0347d0bd9a8c809f7f9d7be607ae0bbe322ddccabd42a1bea192894912c8007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018bbc64dc9900000403004830460221008412df1fc68b6b96d21a94824694be558f031ffa9bd8638dbf62802b9fcf3410022100d6f2ad2f723766e3d6c58995f81ebe67475b7cbb9c2d61f0128cb1477505b98f
 . . . . [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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