DV SSL/TLS Certificate for saddleworth.oldham.sch.uk

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the saddleworth.oldham.sch.uk DV SSL/TLS Certificate

This certificate with serial number 06:63:67:e0:3e:41:21:04:cb:06:39:ae:3d:45:e5:99:90:fe for saddleworth.oldham.sch.uk was issued on by Let's Encrypt.

With 4 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 saddleworth.oldham.sch.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): 06:63:67:e0:3e:41:21:04:cb:06:39:ae:3d:45:e5:99:90:fe
Serial Number (int): 556499744736465990688528729997278958948606
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 49:b1:cf:11:26:30:1f:17:56:51:93:21:1f:21:79:37:1d:f0:ab:9f
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): 29:e1:51:78:8e:2f:f6:43:35:aa:b0:f7:28:79:c2:b7:f0:50:14:9f
Fingerprint (SHA-256): 2a:49:60:0f:0c:fb:e8:dc:0e:4d:3b:0d:71:33:cc:6e:14:7c:64:ae:a5:3b:ff:ea:6d:a5:8a:e0:4f:c5:7a:7d

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

Revocation Information

OCSP Server: http://r10.o.lencr.org
CRL Distribution Point: http://r10.c.lencr.org/127.crl

Check the revocation status for certificate saddleworth.oldham.sch.uk
4
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for saddleworth.oldham.sch.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 saddleworth.oldham.sch.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqqD3AJrH6T//Zv7qfsA0
fJwGmhJPhNtfa+5tHV9hztloyaChSCiPABa1CEu6l6qr+nbX5qwn90RTgfkxIPkO
w2iRkzSOX/x3jXyC1DTevdK2Aq3Yj8I8spOVaiYjrmhfkM3fbgBA1Qtq0fB4ncuM
qa8NQ4JnLpyIeAExWHTbgpgzfbG3H+7BKH2Vx8fLgqPrNiYjt+gX1aurVj0O9oZn
VPhnlUwWNYIPoJx+R6tvFMwQ+68PbCcP/PDXPdK6dtcmY7Lp0wj9L7IN4jmte+If
t3dKc9WUF5Umr6j2z25tYMwoR0aCe3LnNENyc5FHaYUSL8RVn6O8ZCZj/7iAOAWa
1QIDAQAB
-----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 556499744736465990688528729997278958948606
 . . . . . . . . [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 2025-04-11 15:01:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-10 15:01:09 +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 'saddleworth.oldham.sch.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 21539886571568865193165355781203323476777345580199178407468129543795296733298354664137103999015629180640845066733527119816856211811595647777041471964053589998742100033918800737462912223808617281807124513868825965997272646269520159054279120956664533964641913537029281498424338727856626289364725839191583908823102622184926254845167419837614740316093338434072605373183802345766754333654367706790732105090561387093571268547637836507616076383116455369196550676626836883098290592056372879192543349663672872767380719598307080040990377795236998197002736843246651760398396018072935518450359140951919524484320128789851150850773
 . . . . . . . . . . . . . . . . . . . . [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)
							49b1cf1126301f17565193211f2179371df0ab9f
 . . . . . . . . . . . . . . . . [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 (75 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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (131 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'saddleworth.concept4preview.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'saddleworth.oldham.sch.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.saddleworth.concept4preview.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.saddleworth.oldham.sch.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/127.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)
							00f0007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db00000019625940afb0000040300473045022100f27d74e3b38d74d800a8354a8e40cc24464c65ddeee5fc9a553c4412102cd6440220616fd01a9f4131014b2ea2a08e24a45d18b643804b626c417dca6156267daaa600760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a0000019625940afd00000403004730450220481b2656eb6b0ca5249d379cb0fa7cfb2693d72c5cee601b3931e9f2f01bede8022100f0dc89a2a7b8ce1f996b917d89c27e2f2782652f773ceb637883a8ad4f31c483
 . . . . [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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