karl-ahlborn.de

Issued by R3

About this certificate

This digital certificate with serial number 04:2f:2d:76:80:8d:d3:6d:43:21:06:70:7f:21:7b:11:4e:c2 was issued on by Let's Encrypt.

With 2 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=karl-ahlborn.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:2f:2d:76:80:8d:d3:6d:43:21:06:70:7f:21:7b:11:4e:c2
Serial Number (int): 364502845530549756302134531062964090392258
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7f:94:d4:07:f1:ac:92:f9:6e:54:20:e9:5f:c9:95:21:93:37:d6:f1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ad:7d:bd:85:53:20:af:f7:47:32:00:1e:b2:f8:f5:86:c1:2d:e2:58
Fingerprint (sha256): 86:3b:6f:9b:a0:9c:05:0a:0a:38:20:1b:da:34:e7:e6:50:7b:6f:a2:9e:1a:d2:02:81:aa:dd:34:68:99:cf:35

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

Revocation information

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

Check the revocation status for certificate karl-ahlborn.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for karl-ahlborn.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

karl-ahlborn.de
www.karl-ahlborn.de

Other certificates including the domain name karl-ahlborn.de

(limited to 100 certificates)
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de
karl-ahlborn.de

Certificate

The complete raw certificate details for karl-ahlborn.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA22MJELc6nwzKhTvZDjiQ
q9oE+Gpbu4u9XaNpsMG6sfqjV7sRMfzPT1QT5/VXtrTB0dsF2BoWuollLnZV8sqh
69u6fqLo+Nqyr+Bl1uWkQRLM9QWFcM/nsfSD1vYD9SZioEwZ3tLR8KhqDeefngrR
SqKMD5dnV0/MQbzTfYprs+wrlwPgkLaH8AebcpexVS4K4rdkvQoSejQL59BcPGbS
5bHjFtJYVY90eRtNAd60vXDrP3V6aSotqSUs55v3AWzZak+SRrbn/dXmXlqgByk2
IyFQRYnAS/d7C9S+zQmBOF5h/K87ZyfO9VL3K78ey0g9bbVIqmCyYvCkdtps3LVw
yQIDAQAB
-----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 364502845530549756302134531062964090392258
 . . . . . . . . [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 2024-03-03 01:36:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-01 01:36:10 +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 'karl-ahlborn.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 27695024969034157385458266091021235064956151340816453483213562386983896281977877698441526531776857049011583529486875412356611813995822694606277699240081271179509569902451521605066837399775693623085227182253970998066459902581659637313634893525314159261658885894634107409265687384924107512435859257579131723568631429133416797423462375281235458829977531495892424655695916007248536976748904197652549208620340942031969775075447044562653467145290157129480888255412864093621515766737259752517752440378530642540818631390019728187304457266615735137718392591496847016446413241762514205571406025710876092802329561383493216596169
 . . . . . . . . . . . . . . . . . . . . [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)
							7f94d407f1ac92f96e5420e95fc995219337d6f1
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'karl-ahlborn.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.karl-ahlborn.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e022b3dce0000040300463044022021405a996068ff8247659c53e4cd4f904dfd774a09f1d126f1d7bd05a15bef3c02206400405300484496d0a24c0de1605d53664e36c08586dd722742c1789c45d06200750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018e022b3de1000004030046304402204e5b227a18ee581af00d25dd76fc5934c0488a52c2fa7a14aea4fd7232e796f302206336cf98b4755e07d0d0bac95582f43ecaf88c4dbe2a73372e541842ac70fe49
 . . . . [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)
		0085f09b02e2350709a4f9cbebfb1baadc6f19ec9baa5f9165d6ab095b4ce3ae5c44811d1b0ad21a5fbd7bd2a8a5f31c8f3551f349a081609d380e562891ad1e4aff09c66617fd0df4bc464fb498735edb3aebe9010e907e1282dada203e0e84abf0e4defab9cab27e6e83cad1d89fbc613ffd8355ae825cedac12d6f9d5092b1e9a147878935417719344e6a348dceb768f6c1d93944430ac577088c479c1c1cde67e4c804c591232e637086475141cefeea8085c1a9123a58febfdff97a6bed5effa12296763654d9eaa9347572a280daf4330d6cee673c508a03acd3a4b3678ebb17bc021f1f7d00e565e9671b8ed41b65afe8fc206aad499ec4ef229004e27