DV SSL/TLS Certificate for haveringteachertraining.co.uk

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the haveringteachertraining.co.uk DV SSL/TLS Certificate

This certificate with serial number 05:e4:34:e9:e2:2f:e7:99:8e:9b:2b:5c:fc:67:3e:e9:b1:39 for haveringteachertraining.co.uk was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. 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 haveringteachertraining.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:e4:34:e9:e2:2f:e7:99:8e:9b:2b:5c:fc:67:3e:e9:b1:39
Serial Number (int): 513216143565344027882802835556676716310841
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: a1:56:3e:ef:12:5e:bd:a9:31:f0:8f:b0:7b:90:17:1b:dd:ba:06:60
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): bf:6d:12:ff:63:d2:58:d5:00:2d:8b:50:8a:c8:dd:8f:4a:26:49:b7
Fingerprint (SHA-256): 59:f6:2b:9a:76:7e:45:4f:66:b2:ea:50:8b:b5:23:2b:6d:d8:e6:f6:76:56:5c:30:5e:22:ef:18:ba:3f:e4:24

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/58.crl

Check the revocation status for certificate haveringteachertraining.co.uk
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for haveringteachertraining.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for haveringteachertraining.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAps0XrupR1s8Dyj/FkQoY
0T2TEBbJzzqBA2PSNWI97BQUsxowM02Ozek358Y+0roen+cTLOFZRI/GH5zDsH5k
O4BBW7vtRSGtpQRssVJnrE0ljqOupK+tovoF9tanrHoIxN5UezkzQuC2lnmBV4nR
hiV6nPENscLDthlTcioJkARifKPtO8P9jPJXVdyWslCEdtLcQApyDaCKDdQ+k8Jt
iCv2fMx2lgby4TeldB5x66KdwWujVh8rPOyqNzczK/4NrLH+AZr/ifdO6UdQ9rvU
6RR7UAnccfLid0/RTsubmTJIaqdB2dbk05L3054U70V1DXT3AZUJs2WyvV6wuex5
fQIDAQAB
-----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 513216143565344027882802835556676716310841
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-01 12:28:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-30 12:28:29 +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 'haveringteachertraining.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 21056693511749576660681261338187580280574556884676080002788237191515082324789757816539888229423903559154266689300965613114777861524222960481001504412177179879232830275442991790689899960185077181862693603334212331295227175739190824385887276272460747762714828728807200467973788655286568331765362419155442255642251159134211305853375010333731088326486986099123620395447843116271190874564883040481822308477213886782255178579685255907054467700178866340146394794850378392443197963183808217996163386120544978455710206447279335229028305201912590407290176532824277314130977991449102400942584629402761317644192740782724799560061
 . . . . . . . . . . . . . . . . . . . . [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)
							a1563eef125ebda931f08fb07b90171bddba0660
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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://r11.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 (68 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'haveringteachertraining.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.haveringteachertraining.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 (39 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://r11.c.lencr.org/58.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)
							00f0007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a8454000001972bac9504000004030047304502203f9b8ddb1cfed93d244319895809b16df49714025b4dd6f2c169bb900c767009022100f3d02806d3f30e7784387352965464c80991f2932266be9e3b7c9a4c1885a947007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001972bac9d150000040300473045022100897c2b3e43044fe288fee709be51d3c5ab4c0906d74c890ea2aa2581492110d40220700b4fae125b778c4639faada72fa76fe1f0028e452a6970c5f7e8833bc26b90
 . . . . [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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