karsten-thomas.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9d:88:0e:6b:87:6b:88:09:1d:4e:a7:58:60:cd:c9:0e:96 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): 03:9d:88:0e:6b:87:6b:88:09:1d:4e:a7:58:60:cd:c9:0e:96
Serial Number (int): 314942039282397755633081923030731209641622
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 50:72:2c:38:7f:b7:e6:21:9e:b7:55:ad:ee:88:a5:59:cf:84:42:34
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f2:05:09:96:9c:cc:18:ca:20:91:bc:99:7d:91:d4:f1:84:79:6f:52
Fingerprint (sha256): ec:54:8a:3f:33:a2:f8:50:83:7d:85:1f:0f:02:73:1c:33:02:8b:ee:ad:06:d2:a8:af:1c:4e:88:c3:de:03:be

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

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw6hMXhbM7VavKSO5EFDI
8WH6fArsD7cgp5gI1e28xO41wEaSS2einCc1F0EUoLjPxZFaoP6EFAZEFyBlv9mX
YBY++DwkBchHD5qlHeOQlYNpLfF/odfn63HUG2EoqrTjVyiELrvxL8FFkK5O83H3
G8YdjhyvvNu7BARIcs3QczmNHGjBeoFcC2+6KZiewDzduV4EzH9iXI5FOybCf/Vx
cuBo57SRlISU04tQLB2TVK6GPNVvpstCNQJVnevMQ+7Wn+edTeiWpoV4WeO6EfEW
ZnC4Wj/CVJFYZ4jmffolZSAPCsaZ2Ydlj9nX+1IT7Re0RwHfM2qzLknqD7mz50zD
pQIDAQAB
-----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 314942039282397755633081923030731209641622
 . . . . . . . . [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 2019-09-03 01:10:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-02 01:10:13 +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 24699460458496857770496451672965696287860973429352771160319413305792581450904055550627554670039274518847034951251675195045159638954836417164982127777085080631537385331140884654682609296857711385290920202509996583924088078102251854848191468216236303230373914157856267813138392786828947910783569415497029989694931316152214506017901010564604386584971124486717860232419107381011550473005849626583027210662005257959786080687278166635256547038133634016332283009011188095605752981443442046462371076117911476235248166110635612539048754430627812051738772539393606637924896004092010837639325610113676003226479830615302037357477
 . . . . . . . . . . . . . . . . . . . . [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)
							50722c387fb7e6219eb755adee88a559cf844234
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016cf4e302ee0000040300473045022100ae0c495bad65362cf205c92eebe0f2191a155d4ab2817307b9ce88d11eeac525022009d6d81708ea39b244a98f7e63a504a3c6f89b90f8a6b9bf5117596540f6e15500760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cf4e303010000040300473045022100b9ae13f35833ee6d38e060e74412f0931eefdb74dbb551f9d3f5b014b241771102205b4a872f6758557adcad54e55b2eeac8d6eab5e933d2a638c75e1a99c7e5355e
 . . . . [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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