*.mentu.com.br

Issued by R3

About this certificate

This digital certificate with serial number 04:a2:ff:24:94:4f:cf:08:76:cd:53:2f:e7:e0:0d:f9:a2:fa 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:
  • 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=*.mentu.com.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a2:ff:24:94:4f:cf:08:76:cd:53:2f:e7:e0:0d:f9:a2:fa
Serial Number (int): 403914030237964798277487884850966168183546
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: cf:fc:ba:6e:11:73:6a:68:8f:ea:4e:b7:be:df:14:b8:9b:77:29:00
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): be:69:4d:f7:1e:ae:d6:d0:e8:07:19:41:d8:96:6a:2a:d1:08:f3:81
Fingerprint (sha256): 87:5c:9b:f2:12:ff:a1:f6:81:46:de:ff:a2:cf:8d:e0:50:a9:53:e3:fb:6b:cb:b8:34:5f:89:46:cb:ec:67:36

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

Revocation information

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

Check the revocation status for certificate *.mentu.com.br

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.mentu.com.br

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

*.mentu.com.br
mentu.com.br

Other certificates including the domain name mentu.com.br

(limited to 100 certificates)
mentu.com.br
*.mentu.com.br
mentu.matheusalves.me
*.mentu.com.br
mentu.com.br

Certificate

The complete raw certificate details for *.mentu.com.br in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApfYGZgEsns1r0Iur4Enq
fS/Ae2G+UV1pTM2o7rHc/4YU9pfD7wv5rxG/C8GDZgoMOod9xgfmszZjFlUQi9Z+
UtgQawdETtuGJSpVl6mrx/T5kEs3O1p/hvMHbiyjN9DBItVXeNqz+oG6jNz8V/HW
EmVMWs2S89j9HWcMT1J/31a9zwXi3dvjGy5rbw/Y/LEtznqs6bWCbL4r/Tib4l5G
txGAbb/XR19PxypN8yxYDVPR+H4JBRWXZL01+Lo9p6xiKcCVEcgQ2dQx367aFZPy
fyJpbm0nTlq1OPbNTtvKEuUT3IePxSfgkvPxEIghJ+oXH+gXflAN7jqBR/Noejk4
jQIDAQAB
-----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 403914030237964798277487884850966168183546
 . . . . . . . . [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 2023-10-24 21:59:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-22 21:59:24 +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 '*.mentu.com.br'
 . . . . . . . . [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 20950639765562223385396150272576971389792495623852733701977640285731862063254388474260570818052062129018202818846352474054043873789696249582529267710897095772561752326045150366154280169194645577108290262610397424294461709939635952606438802650625174990382009361841202246367177759871963513632271000184350049844219553083357832852713262958847573377639974879865317441753184935788921649764877101065455738342003897727561532209199129001102107131120187170742748459731502246648337262975746140497887370949174727725559355985497931160528887601288874580880596015930906313414657943408523120077126572797372752287508269117051915286669
 . . . . . . . . . . . . . . . . . . . . [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)
							cffcba6e11736a688fea4eb7bedf14b89b772900
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.mentu.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mentu.com.br'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b63ea0f4c0000040300473045022100be0fb81727fa1d4ef0facc298925be59a87b62ee825abd9f9c769022aac4210402203241019b07dacffeddf90e4028a59fac27e2bf82b73080e3b2eb91f8043ae150007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b63ea0f3d00000403004730450220785aabfad682a6d232f2e470ee4f9e90b018134a5779cd7cd0ab0c63480aafcf0221008c75e32dfa1358a9de05a89a20e038525d5a898a84256d08d3d571060a2c3b0d
 . . . . [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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