karsten-thomas.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5b:be:ab:00:e0:da:53:c9:14:3d:90:5d:59:fa:70:8c:d2 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=karsten-thomas.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5b:be:ab:00:e0:da:53:c9:14:3d:90:5d:59:fa:70:8c:d2
Serial Number (int): 292555994404862761012163316786918677581010
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 85:15:6c:48:5e:40:aa:8d:58:9b:e8:0e:47:20:d2:9f:6c:f0:6f:f7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 74:c4:7e:e4:8d:5c:42:35:4d:09:eb:83:78:f3:a5:50:e7:9d:92:53
Fingerprint (sha256): 95:18:86:8d:11:3f:cc:f9:bf:57:72:a2:bb:88:fe:80:45:08:44:bb:b2:86:c3:0e:77:9d:9f:ed:9b:fe:fb:e8

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate karsten-thomas.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for karsten-thomas.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

karsten-thomas.de
www.karsten-thomas.de

Other certificates including the domain name karsten-thomas.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for karsten-thomas.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwiuqz1Th5fpwF9F5ZWIJ
dOZ9ThJrC8M4MoVKBVBeOx+Q+fvLsQRzATA9ChucAXtnsOviWpyoQ/wE1lH6lBRF
uqCNQF1dRF/GpjmMN7NnOAxH+3KO9K+WdjBRP1xpyHGHkG/ugn1PaNj0j3u4qH31
ornqM0Orcl17RKaMZzMslg7yyb1OeMGhhaSqsfiGsvNIEODn3HL4/fHbTkEwww0G
sd3qBnQtVc4PqkDEVRy6kbFozPbINnX+wVjBlzJTCHbhfJx4hhsOv24vi2FzYgvX
MYmXsrTDLuCRJrkt4S85X2i0Sh+vWzaXuVvmmA2DbqFojetW+DSnvyCdFJRQfJs1
DwIDAQAB
-----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 292555994404862761012163316786918677581010
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-11-07 01:05:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-05 01:05:59 +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 'karsten-thomas.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 24511764275169511279288403811735925485812497432388153635995133026737599926607205268248354189303374178287356577152761761679005661130141435866419456956210337221660099410628152314212787802588917965641149570476371580457463232563489156692450909888536070249017337599284574405056108769679084827125991467392342609023942620124323701021742275808988323105846286877854160869670501594412758363427268757129590894205525263156372592461862697847019794359438103400180344469826614965053947045006514840950810656564874452698490014653980857941018088038344896385025715381802515809170342349892218071855670809060370751491283925675750624802063
 . . . . . . . . . . . . . . . . . . . . [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)
							85156c485e40aa8d589be80e4720d29f6cf06ff7
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'karsten-thomas.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.karsten-thomas.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 (246 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000166ebeb5163000004030046304402203cac5e6b2266894a65a8565ddf73abf7f7af5f9f3966c54e8986579c859f6b1a02206d011a4dfe05af216638433f2388bc2b986883eb89f0a9111df128df18607b9f0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000166ebeb52060000040300473045022100f7d727cb86e6258ad18acc9e363fb00662ceb4281cc9e7b1fda6ba1639be1a4302200300bf39dba13a265d3697884fff93b20cab31c1caa76dfe65c4330979f18504
 . . . . [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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