cus.org

Issued by R3

About this certificate

This digital certificate with serial number 03:22:63:d6:be:65:6c:fb:a4:6c:62:a5:22:a1:fd:c2:13:23 was issued on by Let's Encrypt.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=cus.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:22:63:d6:be:65:6c:fb:a4:6c:62:a5:22:a1:fd:c2:13:23
Serial Number (int): 273039166855396678527823384447979586982691
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c1:6d:0f:ab:e9:e4:e1:61:1e:82:87:d9:0e:44:eb:0f:a1:50:84:fc
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): de:a2:9f:46:c6:b6:66:eb:42:c9:5c:ef:fa:30:ea:7b:3f:cf:32:c6
Fingerprint (sha256): bf:40:90:30:41:b4:9e:3d:9f:13:1e:c9:50:bd:e1:48:11:18:98:36:18:bd:44:e3:09:8d:fb:39:94:9e:3a:d0

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate cus.org

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cus.org

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

cus.org
theoratorcambridge.uk
www.cus.org
www.theoratorcambridge.co.uk

Other certificates including the domain name cus.org

(limited to 100 certificates)
cus.org
hire.cus.org
smtp.cus.org
hire.cus.org
cus.org
future.cus.org
www.hawkingfellowship.cus.org
bar.cus.org
cus.org
smtp.cus.org
hire.cus.org
hire.cus.org
smtp.cus.org
bar.cus.org
cus.org
hire.cus.org
hire.cus.org
hire.cus.org
hire.cus.org
exch1.cus.org
hire.cus.org
hire.cus.org
hire.cus.org
hire.cus.org
bar.cus.org
cus.org
admin.cus.org
cus.org
cus.org
bar.cus.org
bar.cus.org
hire.cus.org
bar.cus.org
bar.cus.org
hire.cus.org
smtp.cus.org
cus.org
hire.cus.org
bar.cus.org
exch1.cus.org
bar.cus.org
hire.cus.org
smtp.cus.org
hire.cus.org
hire.cus.org
hire.cus.org
smtp.cus.org
hire.cus.org
hire.cus.org
hire.cus.org
hire.cus.org
cus.org
unifi.cus.org
smtp.cus.org
hire.cus.org
hire.cus.org
exch1.cus.org
www.cus.org
exch1.cus.org
bar.cus.org
hire.cus.org
sharepoint.cus.org
cus.org
unifi.cus.org
bar.cus.org
bar.cus.org
smtp.cus.org
www.cus.org
exch1.cus.org
hire.cus.org
officewebapps.cus.org
hire.cus.org
hire.cus.org
smtp.cus.org
hire.cus.org
hire.cus.org
hire.cus.org
smtp.cus.org
hire.cus.org
hire.cus.org
cus.org
bar.cus.org
confluence.cus.org
smtp.cus.org
hire.cus.org
cus.org
cus.org
cus.org
cus.org
bar.cus.org
hire.cus.org
smtp.cus.org
cus.org
smtp.cus.org
avayavc.cus.org
hire.cus.org
smtp.cus.org
hire.cus.org
hire.cus.org
mail.cus.org

Certificate

The complete raw certificate details for cus.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt4Bz/Xt3VQaV+UgWyvJ0
v1rxfOTsmKlaCsGJ3elDFnUKwOzEmwDqejZLQsgjXorK3phjWVaBTpLKBpKkmlyG
QO4XPcQyox/CjL7j4bimCHQld9DyPS9Y4uVZRSLYCbAT2v6+ILsC90ymlPm8LCor
YaKOzi9eSvlmFFwisgQw3snLOALAOaaS4FcYdaY//ojAVTF+eTfM+mZE19xnnoHR
EKzt/2SZy1q+IEjjsmP+fi759Sa7NdUk2VIReybDV+GxLa8zoY0BwF1EmXUKqpjF
M01X5DUmm3hVgxQDPGWEUhjHpC/ssOZcpW/Z8WkLjQiK73Z/Rydm7meaJbgVFw9a
zwIDAQAB
-----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 273039166855396678527823384447979586982691
 . . . . . . . . [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 2024-03-30 22:51:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-28 22:51:32 +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 'cus.org'
 . . . . . . . . [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 23164952386592905851854400588871357332941604381441059159210102836716043480972799754506698124413827450250464640924177469824778580356298533854550951108467791677498417799837228033435439907326840190194092532894298953753244355697477607394901479829043777231269682340618326607661075292869181664986148350270749821123999169578363231017923847383643738698255585846281398588051404650718631747584539767926866534177106896476705617575481440065527627362939677008925707178110032798463066150374444363440793917279815590296377674237916471518091817208961373141426451861874504029348909031606122970310516199213181157478363911586570832927439
 . . . . . . . . . . . . . . . . . . . . [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)
							c16d0fabe9e4e1611e8287d90e44eb0fa15084fc
 . . . . . . . . . . . . . . . . [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 (77 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cus.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'theoratorcambridge.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cus.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.theoratorcambridge.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)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e91c69226000004030047304502202cb6975291466c9e49e81814b0a76a78020da7aefdd29d12ee3c28f82ee9ca74022100f759e366266e4b61e01440a4e56a9ef4371bda1d21b5a26aa524c402f6edd531007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e91c6925c0000040300483046022100d00c1feec8d3ac2a3d483155ed035c0994b162493aa69dcd1a279508919a1ff2022100f6529176d0219331177b81d8fe70e9b3f3eb9c54a1d5b133fd79abfaec2dc046
 . . . . [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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