landau.com.ar

Issued by R3

About this certificate

This digital certificate with serial number 04:9f:d8:83:3e:e7:f3:d7:26:0d:09:4b:7e:fc:61:6b:e8:e1 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:
  • 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 has expire since

Certificate Details

Serial Number (hex): 04:9f:d8:83:3e:e7:f3:d7:26:0d:09:4b:7e:fc:61:6b:e8:e1
Serial Number (int): 402841834781334778091465556468229160560865
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1d:00:bb:d6:52:e4:06:9a:5e:51:0e:8f:d8:be:1d:0e:79:9d:af:70
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6d:68:0f:f6:8a:45:67:23:7f:de:f2:ac:f7:44:1b:1d:a3:11:0e:73
Fingerprint (sha256): a3:99:67:d3:9d:8a:b5:83:5a:4d:ef:dd:2b:e8:f1:ad:81:70:e7:2d:a9:4b:79:f4:ce:02:a9:1c:e9:08:e5:df

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvcK/niubVz4JYDaFGhyr
lniKVHzwG36PIjeb/NVBeBTHsKvFiEkAylljDtr5GdgFRbbn1tPgjidpI15aWrkC
PLRyIYf2FdYPg/LDEkEr9qEEf1soNqvUbehtgQG9MmppaneSWJOtuYQh1mIubfL2
rPvboyJizbwKS95z8gix8S56FsEMyqb1mCDGKFYWnkOeSM/CytnhzJYz1/OIdGsP
Eg5WxwO4FbpfB5LnvJ7LQ1b+UXjSnaquLV4n+SaVAbWT+zD16CD84taavBzv1Ko/
45JjhYtoq45uSvc9p9l5yGOuJPecqvfErZGDJK3NcsWDU1iAeD8OtMa+jm4PEesg
3wIDAQAB
-----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 402841834781334778091465556468229160560865
 . . . . . . . . [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 2024-01-29 15:42:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-28 15:42:10 +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 23955073706742794774773112508252714117478591400051139230324449834410767173140092125041141023736468810577312206998849715378885990237451817844391734762447464346143674538949127593719084613719731448659548719487377477515292418706740769217274275873460567669833042052391137130026067407741560330742517740932659154196712141686803072068765059535067473402083522665000293280422691326890734622101557995462103156692296485820529744002387746182228767004459699690473062316251298819138755855123622431273354450052533222683163806744927303062982907750753415279621373789489791259497546599437854757940173492166975363154436463995236958019807
 . . . . . . . . . . . . . . . . . . . . [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)
							1d00bbd652e4069a5e510e8fd8be1d0e799daf70
 . . . . . . . . . . . . . . . . [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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d56198ca40000040300473045022100964dce24542e84233287ad54d8c23a6cba9df3bb00a3488de9e2ca1d4b7b5b2e022055722559f57b26b14b7c6b08bd89d41b90559ea03152e2e06f8bb8a38d4ecbe5007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d56198c98000004030047304502203b8b428ccace37affa99b841f303aba1f081a13040ca09cc4dc80697569b6123022100c4ab91000fa13535126f931006fb1b5fb1124a4110a5c541c192d6fb00fea7c9
 . . . . [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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