cf-ekm.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:51:8f:36:7b:8e:b6:b6:3a:8f:0c:be:71:6e:9c:5c:4c:02 was issued on by Let's Encrypt.

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=cf-ekm.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:51:8f:36:7b:8e:b6:b6:3a:8f:0c:be:71:6e:9c:5c:4c:02
Serial Number (int): 289090092009347686229925938219879736560642
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 99:02:05:da:12:e9:a3:e4:f9:4f:3c:59:39:7a:50:e8:d0:bd:a5:27
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 75:54:a4:fa:88:d0:89:48:51:e7:f3:80:34:01:84:07:30:2c:ec:c7
Fingerprint (sha256): b9:fd:2e:78:93:4f:8e:bd:65:57:ba:05:a9:a9:86:b1:4b:f2:c3:23:74:33:06:96:4f:eb:f7:51:77:a6:16:e6

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 cf-ekm.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cf-ekm.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

cf-ekm.de

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www.blog.cf-ekm.de
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Certificate

The complete raw certificate details for cf-ekm.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuVtGZx8sDhACx8T9UKoo
epX69Jg3zHULcboIiMeHEQgW71we52AWiKHT7e4elcxQetl0cNaIj8f/dRbkT5qY
6IO2I3e3djt92bx2drV45Z2yDovjhQD6vIC/d07hJVIxHhjcenWO890RT4mdqubK
N+EPPFIPEuU93gJLAA1yEl9S+dLpPY6fm0oPN+3cdJN6eF8M9bkIzMl+NJHwJzjy
gcO9P4ZYPD/g2EN993qsNivPCr//xgR7SLiL5lCruJeiGFv+uB4k5U99sSEHOg4P
SJ4KmCxXl7ljA2g/Dr0eP6/uKyjPdVEdffxipIvVTLkqeA2Op0+aVcmik5wvv/k+
kQIDAQAB
-----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 289090092009347686229925938219879736560642
 . . . . . . . . [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 2020-04-07 03:26:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-07-06 03:26:57 +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 'cf-ekm.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 23399095804174259725275120673907072985841615323643045672295704188702073285268705242198742638470745971846683846843606718586411458381613680090262958313349450597990476072035094292932386636678150147942768918693670301432944772435600928647377415803463679148188987232232615474631986721476320318384520120721720155152751098576906731039459448594960153383780233299009918271145379713376410153610469599789412242918185285541485546587114000197788889762189321141280349259467875711421976770130093183414534328715548100357102147927373715943650743203079000038981701640440858314021933802798416371145582785058280386527755819571005695278737
 . . . . . . . . . . . . . . . . . . . . [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)
							990205da12e9a3e4f94f3c59397a50e8d0bda527
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cf-ekm.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)
							00f0007700e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e0000017152e42e2e0000040300483046022100991406657ae4edae507c0bc3b682c8a6d5533df449283861ddec0850bbc4678b022100fe87a92a80c9c58dc5002580106609f966a3c6d7391df13cf3855fd8a9af7eb2007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017152e42e21000004030046304402205d6c4b7e6eb5199df9d43c028579328f38adff1423561448e7f997d34c5ef54102206473706fd5769d64918ef922de8d44391f209023fa124bcb496af228dd538afb
 . . . . [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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