www.landau.com.ar

Issued by R3

About this certificate

This digital certificate with serial number 03:f3:dd:b9:58:d2:b0:c7:f2:de:23:3b:21:e3:c1:e0:70:36 was issued on by Let's Encrypt.

With 5 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=www.landau.com.ar

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f3:dd:b9:58:d2:b0:c7:f2:de:23:3b:21:e3:c1:e0:70:36
Serial Number (int): 344320194720600752246714320559858903969846
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 23:01:ec:5a:ca:96:e3:0a:9f:76:cb:cf:12:55:ce:4c:45:08:6a:ae
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 78:0f:e8:c0:2f:5a:b0:9c:64:fb:c0:3c:34:05:b3:92:f5:cf:76:ea
Fingerprint (sha256): 7d:78:3c:fc:35:58:c6:ed:75:5d:17:75:3d:73:9c:1f:83:5d:fa:72:ec:3c:8c:9d:03:ff:69:7a:9f:34:9a:fd

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

Revocation information

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

Check the revocation status for certificate www.landau.com.ar

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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 www.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw454m2Nvv0H06pbhwfUM
aJbA3p0QCBsoenLS2KIAMjOvNCefO7FoYeO/k6TI2sfoxO9TDEFhkZorQ8DwiGD8
KfxFPF24HhRHDJ4s+63MjA63CJbYDLzeVKolE3j+OxTqlFkN/x8VzSEKEXkQCGAU
2jQ/Bz7rFKcGUsBEOkwBKwO1QjUVm2H/gv6h6GNQeo/DI+uHwSKqSF98jXj0+hXv
VjtSrO1DZR+CcWW8XwJD2B7HUiO1jbuWBGQsPUEBsjtSIL1DAMCN7z0gupWlRnF6
lx8hrCnz6wi0XZlDjnrrthFCX9gqTBGj2txpNYMgm2keno89nWqVnl3ty/i61mVE
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 344320194720600752246714320559858903969846
 . . . . . . . . [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 2023-01-28 15:41:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-04-28 15:41:04 +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 'www.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 24686724596610339907383879917528209903810293409251365414296524242794828131438515761554817748691269557764586814495545948425954103628207773964036419286432103222884235563161095119963310753634495958268024588257947162777759448419592942874740633748327332581283503068935003719884914333661620507750040981370650850634957175693961528157483134534519749605369370391990114201839805645278762036708882281538254098615499877685800062063826580314291784945442172199511510503891010343828271886126370903691665735789976930341367663310185202937333500554847206904847993181958668342838099468609308036962363197718904946097757565557934051902567
 . . . . . . . . . . . . . . . . . . . . [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)
							2301ec5aca96e30a9f76cbcf1255ce4c45086aae
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000185f94102df0000040300483046022100f330e5352aa4453a7329f7fb3057693a7e9feb61959432a415fd8e0343b60b84022100f9bac8ac8530d1597314e7b6209f8153a480bdcfa44c0e50fb314c684df984dc0077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000185f94102f80000040300483046022100e7456158c9d637f6a2dc9fcd3a256779454c2a3286b8cdcbd71c203583ab653a022100db4786a411b90b702f456ef835434e956ce4f0f3ab8a71c3b2155a85e5c992fb
 . . . . [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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