zatero.com

Issued by R3

About this certificate

This digital certificate with serial number 04:06:84:80:2e:1e:81:b5:78:c5:b6:73:a6:96:23:6e:8d:47 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=zatero.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:06:84:80:2e:1e:81:b5:78:c5:b6:73:a6:96:23:6e:8d:47
Serial Number (int): 350666961573415948316011807043113601371463
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 13:e6:28:6b:bc:91:9e:37:b6:63:79:2b:9f:ae:94:7b:4f:2f:c3:67
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e4:9f:f3:36:c1:6a:50:68:95:7a:e4:ef:5b:0a:38:89:7b:8b:0f:30
Fingerprint (sha256): 8b:f5:c4:ca:ba:81:56:c3:87:a7:a7:47:42:91:f8:a2:76:4c:0b:0f:fe:22:fb:91:54:80:df:a2:71:8d:7a:a6

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

Revocation information

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

Check the revocation status for certificate zatero.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for zatero.com

Public Key Algorithm

RSA

Key Size

4096

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

zatero.com

Other certificates including the domain name zatero.com

(limited to 100 certificates)
www.graziano.co
zatero.com
www.zatero.com
www.barlassina.com
www.zatero.com
zatero.com
zatero.com
www.zatero.com
zatero.com
dogtagchains.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 350666961573415948316011807043113601371463
 . . . . . . . . [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 2024-02-10 06:00:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-10 06:00:10 +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 'zatero.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 721893076393492937617566113648054033090147122225830280859043720755230479286797546455747741640424425505644149657003252894844803371181098863985702440524465673950998769799393415981682796576013230997566161980424533725194807872160126181224525981298281373759614512692736933256882652480816022271805985667891824377083776059916196638332260150123539115916240834577445397899128401013626109505449067380133859199974246899158959244950563135311332352804840057150068648797036332813279776330918837554044681160285941525266411749869764738456131979895727405662182177732361678446921331242102853442892862213773472329882733857499146932299836518736358776159269197903919264992990512956182619672433978468837793839973511433537414475633991556844905418885798389423087121845681469871996295583541550590592074548018238491429493686031527157087341768126639658663491386405304312230352207734643249748644628732696203192469306355377621662506762394862696124235513605191128276556515523349085218615259275248075206027505284121612867865306819780977407819404079571866146623875594111568626623774371085780002629192032940512025407367897327540238300099551582153122778861046413588019850152930759169140606881574120733724973198941984470874874397227971807867253632881830977709603123119
 . . . . . . . . . . . . . . . . . . . . [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)
							13e6286bbc919e37b663792b9fae947b4f2fc367
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zatero.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d91d108b6000004030047304502200096ce40c2672a66a65393f64172eefeacecc2c02adcd297eb31a724afcd1db9022100dc5b81a795b288c1a21a47d1c065568dfad7ae9a2c4e8ec9bc4733ba09e43307007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d91d10aae00000403004830460221008390c1cad6e06cedb84592e4d8755ea4ff04c708e42d1c7cd48ccfc96daf3ee3022100b1a74857bdd063a991c8cdacaa132fdaca542fd3085044b2641cac8a5a5225bc
 . . . . [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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