uzu-app.com

Issued by R3

About this certificate

This digital certificate with serial number 03:f0:e7:2a:df:0e:56:6f:cb:da:9e:b5:74:86:81:71:59:4e was issued on by Let's Encrypt.

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:
  • 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=uzu-app.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f0:e7:2a:df:0e:56:6f:cb:da:9e:b5:74:86:81:71:59:4e
Serial Number (int): 343311900123913631954288822574844803635534
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 61:a0:42:95:42:67:54:b7:50:52:52:1f:51:82:f8:36:1c:2b:57:ec
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1d:c5:7b:e2:14:e0:40:95:d7:44:a2:ac:c9:6a:50:71:8b:4e:81:48
Fingerprint (sha256): 5a:eb:2d:f0:8d:50:14:30:e6:b1:eb:a3:4b:1c:10:dd:fa:eb:e5:42:79:ca:97:b9:ac:84:c1:0c:ff:fd:92:12

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

Revocation information

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

Check the revocation status for certificate uzu-app.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for uzu-app.com

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

uzu-app.com

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Certificate

The complete raw certificate details for uzu-app.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA508lEZsZQIX9uJ7xMKsf
EQhuq5v1nvMAzo5uLB5u/FaLMJ/0yl4yPZ5dmz+eICay/Wjb15oCV0uEwAi4eA1B
qeeh76E/0ZeXj6YLzGTolXYDybL1xXS6VLHLYGzasco8YVKF2c+LreqPIW4pGtUG
J4ZVCYKjmYb03C3NxaDIhSVBnfO/EhlkskXTNji3AcD/KCUy9Q9E3xVt6NUYHfqo
gfbTXC0JM9XRQgRa+3b4q9oDFE4DaquUONr0l6IGJ/bbRIFm0krEO1gxOTkBxjAx
0TcjmrpEUHcHBP4NadGKJMZ3aFmHlvcRzyKeZjoynhKUkHQ0BKZe443NBXsSSIu7
vQIDAQAB
-----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 343311900123913631954288822574844803635534
 . . . . . . . . [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 2023-09-26 13:47:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-25 13:47:23 +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 'uzu-app.com'
 . . . . . . . . [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 29200076202571643909388401568944836128664636462582989233276674818904923191461319994495305537424015935951331702595901567756774011740648072407092476997911302539496680706186922824721500989796593110104818995599506008259445357168416290335562454962851567008866044987079849980334222671335934894118615055178505907600021464933529245779316085739706713788725559411269092892305565595225515737897608840127331821589491011893973441682129739753740227897869886396154571772584771313114995698885303872733266977852536849639946910088473678417226074275753124789807348654022667135881829039044386242946293371629424226262356557680776003173309
 . . . . . . . . . . . . . . . . . . . . [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)
							61a04295426754b75052521f5182f8361c2b57ec
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'uzu-app.com'
 . . . . . . . . . . . . . . . . [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)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ad1f58a8b000004030046304402204f4238db5de8c0d81ee8160d2a7d40935c85c00183ee4565d47aa15c2fbb0d07022078cbb37d0a778f9c6be0860fb074f4d02e2f4bcdf24694aea1491c851382ba540076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ad1f58aa70000040300473045022100dbecd38e2f900df4e9832c293dae2a5e742b273c8e18a7e8ec4f9882eb621ebc02204229069b74c75d2faf8435b869426877c7db5071b2f9198c8f817005cb7e8097
 . . . . [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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