meisterprep.de

Issued by R3

About this certificate

This digital certificate with serial number 03:09:14:ae:b7:23:4d:ca:1b:3f:c9:0f:5d:a2:78:c6:f7:16 was issued on by Let's Encrypt.

With 7 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=meisterprep.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:09:14:ae:b7:23:4d:ca:1b:3f:c9:0f:5d:a2:78:c6:f7:16
Serial Number (int): 264426890831616287322214783361159702968086
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 93:12:66:ef:40:f3:8c:ba:b4:56:24:1b:8e:a2:fc:9e:50:18:30:cd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 48:5b:e5:88:14:1f:80:68:61:3a:25:6f:6c:ee:c2:c4:bc:0b:61:fc
Fingerprint (sha256): 2b:b5:88:91:7f:ee:4b:1f:be:7a:22:65:f7:f8:99:b8:d6:16:53:91:3c:b1:c1:b3:a4:03:c0:db:38:7a:59:53

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

Revocation information

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

Check the revocation status for certificate meisterprep.de

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for meisterprep.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

adonisrealty.com
gaunder.com
meisterprep.de
texasnetworksystems.net
texnetsys.net
visit-huahin.com
wallsforillinois.com

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Certificate

The complete raw certificate details for meisterprep.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsBbkf9HOelFFatlPrTUx
KTHN8D7XyquEf8jMQSecqie0budb/VgjDtEIRAUwLZD9vx3oItbd5kP4v98/mkd3
dc0yJZzyzvBhn8GO7g6/fUNjpi8oJG4jDvKZs0sQi/XSxaDImfE+z6MK383F2tie
8ypoXNVRN0bPMHeUJFUCdFlF6Tej+M5v9qr7JJtPuQJua2jkFDDhp1dxUrIsClMw
MHI92UZ/ak3Fj1QMBQsKrx+fenqgzKOazLst4bLcdlfv/SkQkYrnU+guPYx3HuP5
D+qAxti8uR1ZQvI+XhnWnsATDcvZvx4Dc8+Wqo67caqt3e4cFJ85999p9B0gk6uW
/wIDAQAB
-----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 264426890831616287322214783361159702968086
 . . . . . . . . [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 2024-02-20 01:57:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-20 01:57:31 +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 'meisterprep.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 22229230423679542518882322553993334133781678436881074149743226042043661022402023217724984140982781320646744897384376948646571129231852504062123976606310721310613163084782123441440149519449881318460776640152666608618873474571792766848362942764145042421390964055144423733498117314866001328221359097514011958868438589687314398057246627740911097839161095041633330454814262019986304643815983182527175250842872116886763378391335353109510088240681125555516298304359365836258012471026430631453473504967886725426293828174722660096444003103852457228999308304230919088720751466008369135945731664032322767928138276177564664567551
 . . . . . . . . . . . . . . . . . . . . [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)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:19|false]  
 . . . . . . . . . . . . . . . . [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 (129 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'adonisrealty.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gaunder.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'meisterprep.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'texasnetworksystems.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'texnetsys.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'visit-huahin.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wallsforillinois.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018dc47275d6000004030046304402207f45523cbdb8f223b87f3a4fe4383ef8de26af17475f884f3a7be14c1482b96a02200a69a43041ab04b65947db427cd33b5ebb50148a90e1cce4b4a4340688eda083007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018dc47275d6000004030046304402201a192fb403c61264bd53bbaaf8521d8541aee4f8320c3dea8176d5151f43f7bc0220704fcd9f6685d83f9f89a715e05c7d0b534863ee2497c9bc669936ac780f6c8e
 . . . . [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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