bildungsexzellenz.com

Issued by R3

About this certificate

This digital certificate with serial number 04:4f:49:64:e6:e9:bb:56:55:1b:76:1f:02:e9:6b:6e:88:2a was issued on by Let's Encrypt.

With 2 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=bildungsexzellenz.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:4f:49:64:e6:e9:bb:56:55:1b:76:1f:02:e9:6b:6e:88:2a
Serial Number (int): 375429008270645626313659614174330127026218
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b4:ce:66:a8:8e:f6:d6:51:e4:53:8f:f0:cb:2e:b5:54:4a:27:b0:2d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b6:d0:23:f9:f8:5f:c4:f0:c0:f4:53:5c:06:32:ba:48:96:4d:fa:d7
Fingerprint (sha256): bd:25:1a:c0:ad:25:89:75:d3:e7:1f:64:70:d7:04:b6:94:e1:98:60:2e:dc:0c:42:2c:0f:aa:d4:73:99:5f:18

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

Revocation information

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

Check the revocation status for certificate bildungsexzellenz.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bildungsexzellenz.com

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

bildungsexzellenz.com
www.bildungsexzellenz.com

Other certificates including the domain name bildungsexzellenz.com

(limited to 100 certificates)
www.bildungsexzellenz.com
www.bildungsexzellenz.com
www.bildungsexzellenz.com
addon-bildungsexzellenzcom.soundbider.ch
www.bildungsexzellenz.com
bildungsexzellenz.com
bildungsexzellenz.com
www.bildungsexzellenz.com
www.bildungsexzellenz.com
addon-bildungsexzellenzcom.soundbider.ch

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4e49A9/wkU7SPzt2+WPi
bKuvq2XnFWJ0zNujr6P3rCOiUJRW672yttzw1zqTCIBu2hosLDrFDzGujeRSvGHq
VapaZfs2wh4EqzaZfSJPeY0KRF7WoRkYKCeQrZVQ/YKOpngKBRv6jyyFGARnMohY
JpGVM3PvYgeQA3N83y5mYwMjFVuFz+rv+qRQcfMF4zY1X6EtFSLHq/Gi9Wo9zzGf
IWeoz7m7cmtJK6kwAN+Z5J4Lp1m2B1uevPbw6rLtlLNYWmJGxIouY6pER5i1qcs8
WDxh1tWfdVjNVVCYx5Up1xgbjpVxjiJdgt7V06M3MoqKHegK6GoCnMpBznWUaTD9
gwIDAQAB
-----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 375429008270645626313659614174330127026218
 . . . . . . . . [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 2024-03-21 16:46:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-19 16:46:07 +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 'bildungsexzellenz.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28521098321530251590947325705618002208118199473151675092913574094604475311878999215685177691064257353358648375654196791205675922391603211931604547991766508090833208723758575941523962729050933942250272342686766881269793017479820688703217134651801760747039020460618500828914421698112994018175015838515574469167725105483328305178444434976722499010504919356763153273679467940820238791874475123646132283790915905902906602611145719808165318838637169321651351847055073760331878962685351879077839836240428024752263446164794757319666824440928177785709630425643365400234644558614345311610798891866838992618707563029633147403651
 . . . . . . . . . . . . . . . . . . . . [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)
							b4ce66a88ef6d651e4538ff0cb2eb5544a27b02d
 . . . . . . . . . . . . . . . . [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 (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bildungsexzellenz.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bildungsexzellenz.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e621ecb4b000004030046304402204167898d34f31dd2c0fe5bf8c237c82159799ba83e568ea68ba4e9f7de384f7d02207f1e7cf3e92d8e6a1b2c3a737cf528b409102756b9b6c2b1ad0ae50ddf13aefe007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e621ecb5100000403004830460221009f138871a1c23adcd1c1a1bd43684489035c88d788299235517fb4a804d50e950221009b34d9cf1972bfc8c4f72bad94208eed0e593baf2c8325bacafc960538e400dd
 . . . . [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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