landau.com.ar

Issued by R3

About this certificate

This digital certificate with serial number 03:91:20:12:6d:df:44:9b:7f:ea:5f:11:bd:7f:25:47:2c:ad was issued on by Let's Encrypt.

With 5 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=landau.com.ar

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:91:20:12:6d:df:44:9b:7f:ea:5f:11:bd:7f:25:47:2c:ad
Serial Number (int): 310720431984497148083838099088428298087597
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 45:a3:84:6d:b2:3d:19:64:0f:ec:59:dd:82:5c:a3:4d:d1:8b:b7:f6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 43:c8:c0:73:b3:f8:70:94:1e:99:e7:90:39:89:1a:a3:cf:32:cf:0f
Fingerprint (sha256): 95:67:94:66:63:cf:9e:bc:f6:47:e3:91:4d:78:ef:96:22:18:6e:c1:42:95:42:0b:c4:15:32:fb:f4:24:80:b3

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

Revocation information

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

Check the revocation status for certificate landau.com.ar

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for landau.com.ar

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

cpanel.landau.com.ar
landau.com.ar
mail.landau.com.ar
webmail.landau.com.ar
www.landau.com.ar

Other certificates including the domain name landau.com.ar

(limited to 100 certificates)
mail.landau.com.ar
mail.landau.com.ar
landau.com.ar
www.landau.com.ar
landau.com.ar
mail.landau.com.ar
mail.landau.com.ar
landau.com.ar
landau.com.ar
landau.com.ar

Certificate

The complete raw certificate details for landau.com.ar in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxXQctQ4WN2vF+8aD8eX4
r83ycwbNydskSrTCEbXEpqPxvpxVAWZXGByR++kDOOKhy3KnI2xoWOPerkuGwQEN
9C0Vyk5UsR7moMpV8zBJUR8qq9D9QTf665aYqq/6AiDhtGPnLoa6cGrercoe/bZo
pFdWkIwXinNfmXmM75hvd0bJMk5UUWhuB6VECxL/zThgxAZB5NiciX/uGzAtC826
dbVJPPatbiD/B4hUcJJ11jMyZYIFKa/hxySPz/HXX87pnGijM0RIGiFdxXs9oLSJ
dxZFAtB7Y5dapOBYj5S4ZZ3znRE6VoRtyR1BPuxHt7YQhNvCYNUNABQjzlJAoutH
EwIDAQAB
-----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 310720431984497148083838099088428298087597
 . . . . . . . . [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 15:38:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-28 15:38:31 +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 'landau.com.ar'
 . . . . . . . . [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 24926203107402480797694855780587743460770100453526616001105381266606773396225935171654406417628415919876198965977661543779782592683045379989322433287709738752995211944336810221029898667434679571421334140662062091681598386558157211193668138621663030115030350130875932952983028273780047991324174937368284148489573603340744740932759323683262379496883124541743360387292492481186604293367784658477027009107974389458246271091216506576239628621746052027404943126683855339890566037282979794410519832304562880157660599108218760647052359339447277507578721686399705305645515297913751631515638862849160925623006551459953600317203
 . . . . . . . . . . . . . . . . . . . . [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)
							45a3846db23d19640fec59dd825ca34dd18bb7f6
 . . . . . . . . . . . . . . . . [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 (101 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.landau.com.ar'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'landau.com.ar'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.landau.com.ar'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.landau.com.ar'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.landau.com.ar'
 . . . . . . . . . . . . . . . . [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)
							00f0007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e903a23480000040300463044022055a67b3347b94c14b88487752fb1aa03cf702e25c1aa3314781d8ae2e12046bc0220517c2817a0f135bbad70c022b83d295a2f45aa21ea93cd18f2f980724e76d8c900770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018e903a238d0000040300483046022100dd0cb8c3b98f7c3aa42d680c7182fc5954542bb063911560fe671d17c0dd36e2022100b70fb2feb8a090467fb0c818393bb4b02152844123ee9a4da866ddc6baba3795
 . . . . [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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