*.supportmyschool.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:04:5a:e0:6a:a9:c1:ef:58:dc:c5:1f:3b:da:71:7d:fd:a1 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=*.supportmyschool.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:04:5a:e0:6a:a9:c1:ef:58:dc:c5:1f:3b:da:71:7d:fd:a1
Serial Number (int): 262818783020466445435470214216586259987873
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 83:1a:f2:7c:66:09:5c:2d:a0:9b:96:8a:91:5c:11:40:ea:59:34:14
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 38:96:b6:46:a8:2e:b9:23:02:e3:ab:11:49:d6:83:62:6c:7a:e2:7e
Fingerprint (sha256): 3d:15:25:5c:06:1b:64:72:55:14:1f:1b:f2:fb:bd:df:cb:ab:3e:32:02:94:33:52:99:85:bb:35:84:62:a5:67

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate *.supportmyschool.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.supportmyschool.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

*.supportmyschool.co.uk
supportmyschool.co.uk

Other certificates including the domain name supportmyschool.co.uk

(limited to 100 certificates)
*.supportmyschool.co.uk
*.supportmyschool.co.uk
*.supportmyschool.co.uk
*.supportmyschool.co.uk
customers.tigertech.net
*.supportmyschool.co.uk
*.supportmyschool.co.uk
customers.tigertech.net
customers.tigertech.net
*.supportmyschool.co.uk
*.supportmyschool.co.uk
*.supportmyschool.co.uk
customers.tigertech.net
*.supportmyschool.co.uk
*.supportmyschool.co.uk
customers.tigertech.net
*.supportmyschool.co.uk
customers.tigertech.net
*.supportmyschool.co.uk
*.supportmyschool.co.uk
*.supportmyschool.co.uk
*.supportmyschool.co.uk
*.supportmyschool.co.uk
customers.tigertech.net

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqwgibf0W59ojylIBrJR9
GtlSNLMDpkFF/9rPTeAspxynr9DDd99+qV6q1ZHpoWRiOUF/CWkKMKmNGA1LAjae
byI4hhPkafufmDdieqwDHephKUFncwwf4WMhOaMDr1W9f2ujnD8PJUYAHfecxQO6
P8MHCYzSYKvAEFGfbyk1w4YJp21cM6KCJJDnACg5d69HVj8zC552wu5Pz4n7q8xw
CHWuzPhkTJHUoM7wn699yTU8bs/5arhkbbQls1BAaNrRy600DLkfuZlXjULOF1b2
JzTznPrcbGJeu5l7PxY4KPe12jrr+5MjFkkxw4RsQqpQhww+0DiuJ92FVum2fWkJ
GQIDAQAB
-----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 262818783020466445435470214216586259987873
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-26 09:11:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-25 09:11:47 +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:12|false] UTF8String '*.supportmyschool.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 21590761416108173751004608177697953553859600457640708682140140794449928849037053809212142438317798835129660830847302210863069816397895215294709298789293626502753949666057065811677668139420605283022202064637440056390116097491648861647804057062517738266680033089523588554147729158469292034470615999798870201514646297521817553240357988261889005899201140661794049697670893055872071230143079440198219853722692988409754040514788535955107160383567286477822552303476172733964613081337552802212180250792753863069437370682487415926542374330871778720755739814091019769702444436749774718644003128665051042140705461434183211092249
 . . . . . . . . . . . . . . . . . . . . [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)
							831af27c66095c2da09b968a915c1140ea593414
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (50 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.supportmyschool.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'supportmyschool.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f41b0dcfc0000040300473045022100b272232f7eb9b70c4a145be86d9eb5d46a6f1f15af422b97651c04739ac32ae702205f0c4956b04d3676e0c20e7a0fecdfcfb4298b6af46d047551bf3f303afc844c00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f41b0dd3e00000403004830460221008cc1b96a4694ec9127e4209b2361d82fb1e0dbaf235531646cc27c2516d473e4022100dcee013b2c0f4b7d040b6342a04e347963d5c70f897f2fa10ceb37497db30ec7
 . . . . [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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