institut-zweistein.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6a:00:12:4b:cc:76:f0:0a:54:49:dd:33:87:8f:e7:3d:4d 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=institut-zweistein.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6a:00:12:4b:cc:76:f0:0a:54:49:dd:33:87:8f:e7:3d:4d
Serial Number (int): 297406883687623745542806067136417612905805
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 61:b0:63:50:61:47:09:5d:28:34:08:99:a7:14:62:30:37:8e:86:19
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 23:a5:86:e9:3f:04:02:c8:2a:18:b0:3e:65:de:b3:5e:9a:c1:60:78
Fingerprint (sha256): 1f:c5:b6:79:0f:f7:6f:33:81:e3:a1:29:42:38:bd:84:62:8b:c4:56:cc:43:97:d5:4c:d3:bf:1a:61:2a:e6:07

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate institut-zweistein.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for institut-zweistein.de

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

institut-zweistein.de

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projekt-knapp.lima-city.de
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www.institut-zweistein.de
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photodesignstudio.de
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www.institut-zweistein.de

Certificate

The complete raw certificate details for institut-zweistein.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2JtIQVXncjJ0loyGs1yJ
qQMCNDbQFeKP37INqDdapfcDmasho+t133ggbF3sR4qls9c6xGu6yyjh2GH6q7eA
6QDX/+G198XA84BqruZRrreM1oHt3bp3SPj3tTlkBITRmHYvXTS9EQEnfPBHdz3e
eIENk8+w7FpyNxu4v5rgeKEGK4w5HtTEQKQv2iRGfHD/m3H43pOoiXqIsD3iav7F
8Q0j/mEWexhSss0JJ15bR9VVpOSOuBbENjGX78AUup0WFWuiZZJ+G1xLRmo0IAje
C+U5Q2V6Y4uOAPp7PKsDA87bHo5Nh/CiM6a17jahFIGbSI4w3WiQG+QQZdkgIEBJ
cwIDAQAB
-----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 297406883687623745542806067136417612905805
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-28 17:08:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-27 17:08:39 +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 'institut-zweistein.de'
 . . . . . . . . [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 27344046402532822333904935488823766774121866573124116779588271129270303720515133442148116338594552213659762112155859948064302590083078641021748220831625510020437080512501098827043995190636180475343457146702293202766360379748622673220408812253070500114529578373987577510419196981407658464067173120932213521267548837271112543462010057961118450539996871290857292163775708340840506859367775391747699618357518486968454764272928863557268787504910992494127829033722998372668476719916938578177220030962091231062321707558490155666482920767738513102382052062749164800317913354934735118079470469555242920663814027137964130191731
 . . . . . . . . . . . . . . . . . . . . [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)
							61b063506147095d28340899a7146230378e8619
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'institut-zweistein.de'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016fed574f8f0000040300473045022100de57144793e17f8d41d544b96f0400423255a73660e02d4674f17bffb918a65f02206b9622528077e9377c1831d01d949a1d4a16862efa592d6078079bcc110f732b0077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016fed57515b00000403004830460221009a123f99a8c475631be0adc66c56cba017f557aeadf41d9e84f0e92678dc27e20221009327087afd7004e9f93dc9905c6bad92b607465bd48040abbb1029874ec19fc6
 . . . . [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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