DV SSL/TLS Certificate for www.sje-electrical.co.uk

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the www.sje-electrical.co.uk DV SSL/TLS Certificate

This certificate with serial number 05:ad:33:65:22:69:a5:25:b5:4a:42:7b:85:a4:37:7d:bd:f3 for www.sje-electrical.co.uk was issued on by Let's Encrypt.

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 www.sje-electrical.co.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:ad:33:65:22:69:a5:25:b5:4a:42:7b:85:a4:37:7d:bd:f3
Serial Number (int): 494498594883863324340540460908139752832499
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 3a:ec:43:65:e3:dc:44:93:0f:93:40:60:f0:f9:88:47:27:72:7f:b2
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 97:12:b5:60:aa:3b:d6:83:0d:bd:2f:dc:b8:e5:a5:60:35:b3:17:09
Fingerprint (SHA-256): d4:77:0a:97:c5:40:37:ac:ad:4e:57:44:5d:73:c8:19:34:c6:5c:bf:8b:a7:45:63:51:b9:95:70:f2:cf:07:73

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/116.crl

Check the revocation status for certificate www.sje-electrical.co.uk
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.sje-electrical.co.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

www.sje-electrical.co.uk

X.509 Certificate

The complete raw X.509 certificate details for www.sje-electrical.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvVmULYHsRNMT1QMZNC4H
j/3UQxjLDzVz+YNDaKR6eMpAbCRHU7yluEyP5j1pRXFmc+JEOq50TbeaN24OjkEX
kTPQjhuGo7N/ZE103nyBFkEJ6RZ3DW3thFHLk6hpo3f5FDc4j7Iq9RpjoRYgKt10
9JBZoT2kEMAzzY3z/yZCqQhIoFN9D9xfc9EdZb9GVilTAH7eaalrPS1x4LdiNf1t
qqnT8YpU7QJA9cwDbyuwlIyy73dZVHw5IiYjCw8fXlNm55ziVKE+K9esjAxtdfsC
KX1t6l8J5n8Wvv1GujvM0HlHCuNLgEd9H7fyg7b+Q+w+5ZOKxfINOVKy1lSr63GL
HQIDAQAB
-----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 494498594883863324340540460908139752832499
 . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-25 10:40:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-23 10:40:26 +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 'www.sje-electrical.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
 . . . . . . . . . . . . . . . . [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 23903212600774897616783418763028659708275143627403339354454827797856120451686197221935681294816580211541159188796337653808082004721115837118227221681722671303059296437282546982946068267072105732725456372918165811302640787660900472282897059552844394459237175665330246513451092494253647459424515996513219345400124964031629182355723249729818908528315218029665411807279063649752216707955061252111822445611270218826721238078367439416823149278016843732908280533677981405165754457351843994033616527118220789852566918626033420053908348201894478265598245908493057047152609756068888021403159615578088125030757680332629341211421
 . . . . . . . . . . . . . . . . . . . . [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)
							3aec4365e3dc44930f934060f0f9884727727fb2
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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://r10.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 'www.sje-electrical.co.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 (40 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://r10.c.lencr.org/116.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197073d268e0000040300473045022100ba3c464c4ca975074ce53916fa8d74478418ec9e98bc76a3ca098dee6dae7fc6022051edd339ed819bb92b501654c5b6671d30f367d9974354975672968b20c7eae4007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197073d27150000040300473045022100e64ddc4363046c76ad75131bba12a9edb0888a440456b83497abf1231121bdfd02200e164b7f98e28704c776a5eb1d4e7f36331df470a0292f3c5790c42530fd465f
 . . . . [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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