cus.org

Issued by R3

About this certificate

This digital certificate with serial number 04:9f:96:be:14:3a:fb:1c:89:b1:d8:87:05:c9:54:47:c6:44 was issued on by Let's Encrypt.

With 4 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=cus.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:9f:96:be:14:3a:fb:1c:89:b1:d8:87:05:c9:54:47:c6:44
Serial Number (int): 402754411213562202011850883626348078155332
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b3:f5:29:7f:3f:10:6f:7d:56:58:b4:0d:f1:f7:a8:f0:ed:c7:84:04
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9f:f1:be:ac:81:7d:cb:1f:8a:2a:ae:a6:75:61:de:09:6b:34:6a:61
Fingerprint (sha256): be:93:1c:90:5d:f3:ed:91:14:80:f7:fe:f4:95:b0:0b:a0:81:2c:9f:81:2f:4d:e4:d8:ee:bd:78:57:4e:73:cf

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuL/TTGO7QO9TGv8VTB6B
X1hDirqFNv0YjASrtjAJ1hIwh9F/tVgQDrW12OePZ9nIejOIFFqpgxCylQUdku9P
bxq/5IovzoUKFUCrdMzEAytFxr+V6UGH2D5n6ALeuScPtrmxeJjNbcArwTJNhocq
osLGKbABq8X/cMYYOX4F+DYfnKk3o1RClRoR7HL/U7m/iAfuAsfYQQfmxeTaA+lm
aP+9CWvWDPSMz7gPNKMRAlXM7zqM0EsighKCWhI4NtVqrsuU2eGgHCHtVF0kkjVq
IpVRN1HchpLL5tNBM2pj6+WGRlwsAkTaR3fXf9RWSc/ragzExX222rWldv0RWohj
bwIDAQAB
-----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 402754411213562202011850883626348078155332
 . . . . . . . . [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 2023-08-02 09:54:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-31 09:54:44 +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 23322440736299221921924718979068724304256871917910106555353636078999695628786310504270369090537410506498361652579195133146568321411546718508011119038559742821819477134295816744251567385272227571636018443608022279565131311764193719223481500733643150758354251803978923627484962259235577621011776258417055217849569890679177014806160835887886482595851012399210179851737529223756766494971531103176130486891583618897895785656030527815414875592311068010337726924254776263442386357035319513138079353471947997094481470545282910193407707261929295525208876806703014044159109618728945230835664457928446512397981525789099562656623
 . . . . . . . . . . . . . . . . . . . . [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)
							b3f5297f3f106f7d5658b40df1f7a8f0edc78404
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189b5e2c7ff000004030047304502204de0d7a5235c3e063813f6c6486ee7a87bb8272432833bd249340c644262d5d902210081d61e79bb12551b8129083f0c39236d165d513d41ea35de899e88323849f64e007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000189b5e2c82f000004030046304402202dd04e41dc98863260c464873b22e666b71c7d54aea8f1e89a58a1dd6b30741f0220262e14d38786b85d43b67ff19e4bcfe329a0ef3f71d238ee6e28cb3eb31628ce
 . . . . [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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