karl-ahlborn.de

Issued by R3

About this certificate

This digital certificate with serial number 03:1a:2a:db:bc:2d:9e:a6:10:12:50:b5:d9:97:02:e3:08:2e 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=karl-ahlborn.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1a:2a:db:bc:2d:9e:a6:10:12:50:b5:d9:97:02:e3:08:2e
Serial Number (int): 270241167840767497772621530732123595671598
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8e:62:0a:31:cb:20:24:98:05:24:48:c6:af:24:27:a3:87:f9:4c:60
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 4c:6d:4f:fd:ee:a6:15:46:79:23:6f:aa:50:96:96:4a:99:5e:b5:09
Fingerprint (sha256): 67:5e:59:3b:4a:c3:71:6b:04:8b:b9:c6:ba:9c:1b:b6:16:bd:66:3d:03:ad:f9:9c:f4:07:2b:26:f7:fe:05:e5

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo/xvXJhK4pmi4h4Ohepj
NBS6CNlQ2SrSobhsfX2sJ0V0QD+YHEzq9HcafsFjqrZdaEVnaeIOj7i4WeYtth3B
78TFgkiuTUR4iQNJwNOZDYORopzdmesLfq+/4ZV/vV5H60XFrv+Gbi77Wy8/IYty
+6/VmJqXKTydqziqUje1+lELUFvvuCguchjxCvaTHNuO1Oxn9eJRLMsOjHbOKIcH
mdhK7woz1mYEcE+qNGZ5MJZu5zs0BxafQT0SlozUEmt7vobz8BVh7gL24v8GKF2A
PsjpGuBEEGEJa189MK9+JkMcDY4AA8Zfwt3Oc+IbeCKskTFi812ADgTJJifMeeCl
dQIDAQAB
-----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 270241167840767497772621530732123595671598
 . . . . . . . . [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 2023-07-07 19:31:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-05 19:31:40 +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 20701324050685587595209996444795074283158940809282148179230077316253094578478359334505020303196808264313680440271325172137334056205822457473816569814343325183855633729197790970530675971205720957332184738992902253060353459415167347854537415971186538490200108427595993283929837766592031268060684736733952166881134866469533083350206009084282386498966000991314443838677803619107927706306757167562368024928926418497870058972582048109412534861110570554463088046801608029403679167659002764709776142391282890041590407525219059947127263231126186571002045132602535437903619865004086835331432774212128748719978841123351433356661
 . . . . . . . . . . . . . . . . . . . . [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)
							8e620a31cb202498052448c6af2427a387f94c60
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189320da11c0000040300473045022100adaa0e4e9d80543cdee62816b5201705fdde68e35847999111848282b7c0186a0220638c4e54ac322be822b886b955c9cd0e22df4ec9f0df2a335b9c6f0a209e86230077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189320da13300000403004830460221009e05a13c462666c827913fa25e06f986c9dab93a5074cec7338651a341a7bc64022100b0266fff09c450bfb458e3beacf6304cad867b95236ec26a9ff94dbdbdd9d222
 . . . . [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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