klaus-kiewitt.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a7:43:5a:d5:6c:ac:c0:69:51:0e:32:b1:93:6e:f4:9e:e4 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=klaus-kiewitt.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a7:43:5a:d5:6c:ac:c0:69:51:0e:32:b1:93:6e:f4:9e:e4
Serial Number (int): 318253542982275671998363056934496534568676
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4e:61:e9:5b:94:e7:33:02:8a:58:3e:08:03:3d:bd:ce:de:65:f4:ff
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c5:dc:60:8c:51:f7:03:f6:42:9f:80:a1:1f:3d:30:97:72:3a:29:1e
Fingerprint (sha256): c2:6d:bf:4f:18:83:71:82:27:9c:85:48:23:df:c3:b5:ff:08:31:14:c9:fd:b2:e5:68:58:71:92:f4:72:3c:4a

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 klaus-kiewitt.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for klaus-kiewitt.de

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

klaus-kiewitt.de
www.klaus-kiewitt.de

Other certificates including the domain name klaus-kiewitt.de

(limited to 100 certificates)
klaus-kiewitt.de
klaus-kiewitt.de
klaus-kiewitt.de
klaus-kiewitt.de
klaus-kiewitt.de
klaus-kiewitt.de
klaus-kiewitt.de

Certificate

The complete raw certificate details for klaus-kiewitt.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 318253542982275671998363056934496534568676
 . . . . . . . . [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 2016-10-04 05:33:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-01-02 05:33:00 +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 'klaus-kiewitt.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 748147189939240805520413007452234299845062571084728693314366887840236811398336553325921142873998964079506605783563776512870815271501789804676921282758768958146680751358638783189839639708621207591924890017058778826638577725224136751683642572686309858785528869900915331997025398853419685623065622371941809305285774205736575038437595058905883773767185154113888388366059154752056893732569592134376331030918943152008399132725803269278416179847234597276590704044660222152508760229579029026455138697121305658045635443038495419526051043157306098611061230274539012517046032490331383330359495705567861996090894362457461265420489686077134931366737158266922072041036744324490147818718302744549171672277893097137322641373069470069568354375099102601844097747731532178515264774727596302676854971849246060877682249593968927747331682767503522947376696335004864922427570718405886546989742594503958378048678235476699244611736161086684228150372771055802484313653389596158266772421732305642331553715247224527566004810671704716280457239272193595562254557666322978111407081136603083098047170565488086635402816918726165370699128107204421507279449973776929084565255069397741385309773854245339194062944549340288164863548775604335494786028151947398687417589271
 . . . . . . . . . . . . . . . . . . . . [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)
							4e61e95b94e733028a583e08033dbdcede65f4ff
 . . . . . . . . . . . . . . . . [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 (100 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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'klaus-kiewitt.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.klaus-kiewitt.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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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