institut-zweistein.de

Issued by R3

About this certificate

This digital certificate with serial number 04:a7:a3:62:03:eb:24:37:fe:7f:e3:b9:b5:6c:11:d9:e6:f2 was issued on by Let's Encrypt.

With 3 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=institut-zweistein.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:a7:a3:62:03:eb:24:37:fe:7f:e3:b9:b5:6c:11:d9:e6:f2
Serial Number (int): 405493472090719843840191084316549241759474
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8a:43:48:8e:20:f9:9e:47:9b:e1:ae:d7:d7:b9:3b:69:3f:87:80:31
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e9:c4:cb:89:fa:d3:ad:61:ee:ed:68:ab:e3:58:60:a1:33:fe:17:ca
Fingerprint (sha256): 46:28:28:56:7c:12:2a:85:2d:b7:45:05:c3:86:a1:ee:34:19:53:93:96:c2:48:15:a6:e4:e4:6a:7e:bf:36:bc

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

Revocation information

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

Check the revocation status for certificate institut-zweistein.de

3

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
webmail.institut-zweistein.de
www.institut-zweistein.de

Other certificates including the domain name institut-zweistein.de

(limited to 100 certificates)
golfimnetz.de
www.institut-zweistein.de
www.institut-zweistein.de
www.wilbu.lima-city.de
www.institut-zweistein.de
www.zirkus-arcobaleno.de
institut-zweistein.de
www.orientierungslaufen.de
institut-zweistein.de
institut-zweistein.de
www.space-pirates.lima-city.de
www.sanandreasgta.de
www.institut-zweistein.de
www.franz-sauerwald.de
www.lagwa.lima-city.de
projekt-knapp.lima-city.de
www.prager-weingut.lima-city.de
www.institut-zweistein.de
www.institut-zweistein.de
www.institut-zweistein.de
photodesignstudio.de
www.institut-zweistein.de
www.cueless.com
www.institut-zweistein.de
www.institut-zweistein.de
testdiescheisse.lima-city.de
www.institut-zweistein.de
upcoming-relreases.lazyfox.de
www.christab.lima-city.de
www.institut-zweistein.de
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsU9UgQbzNvKW8DvqiDjl
n7uAs3FbxLZcgsKFv1n1U/9XYXM4bE0/rlIt+qiG3C32twk6SGYJiJBkzS2hNtwq
E7NVqwlFCGybBUc14x2iym7fTVV6Sz1EqqPVAk3YztdO4P9vzTik7WwplO5MQ7/+
/gbBkjLhOuHaJY4KpajEUGvA8yPU/2S9kuO9W10iZ1n9a3tT0plEyHq/xdFRXKV5
IdoftGrj13Ro8kBJewurtZS1MEAGJwbpJdkXnI37OjI8mma5FpnNpJy4O5KZqIbF
8m5+XqfVJbyJMCFf1G/BxlRI8MJFG/rFKZNlbu12L5IOgprHFne2ld0qXimkH4PI
wQIDAQAB
-----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 405493472090719843840191084316549241759474
 . . . . . . . . [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 2024-04-29 05:27:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-28 05:27:00 +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 22383299106234030864726265985049973644086559267747970944366857374332321795544132639541316656368825913836123424920597793964396073055167841146353108837329844812999114680201286042298902411171548106921252462860973790089017357185600906210753857205652461205108187341041729291238048340184950343992082039527060823676682084813093112960703523445970430345610637435617457863509563913288082011601695764272987338677919649187998882025954164615651136597065890347916728706456529290070672109356616419652967663285722360384886074714637756110908411066238325840059440200328542339427048517833591726270828919057037950671649503852436077660353
 . . . . . . . . . . . . . . . . . . . . [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)
							8a43488e20f99e479be1aed7d7b93b693f878031
 . . . . . . . . . . . . . . . . [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 (83 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'institut-zweistein.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.institut-zweistein.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (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)
							00f000760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018f28890ead00000403004730450221008bd2fbae1ce57d018fc15feebcaec260fedf871112d5dc9f2c468a2d017b1eba0220769f77ece2d1301711b97f14fa2c7c36c7888db4ea265c4b82e6ac28d31707930076001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018f28890eb40000040300473045022058e5f73770b0a41385c2e10146e206aec6b86bb8bd1bf405d8fcc03f728bbc81022100d1adb25cd13d419fa5fbbdda948be04c2a9dd659bb0f96beeedcb6a3b4daa8cf
 . . . . [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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