dav.semkath.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ac:aa:9d:6b:72:ed:90:b1:47:13:c8:38:20:05:49:54:2e 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=dav.semkath.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ac:aa:9d:6b:72:ed:90:b1:47:13:c8:38:20:05:49:54:2e
Serial Number (int): 320092211034895742309074022358095116194862
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 54:e0:84:f2:56:76:e4:8e:e1:6b:9b:31:6b:19:5b:9a:2d:64:28:91
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 91:11:72:18:27:8f:ae:39:cc:4e:f1:59:f3:b3:d3:70:d2:c5:7f:06
Fingerprint (sha256): f4:df:77:7b:f4:93:e2:5e:0e:77:1e:4e:79:f0:ef:38:58:e0:38:a7:12:81:d7:9b:7f:31:cc:7c:d4:1e:1d:25

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 dav.semkath.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dav.semkath.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

dav.semkath.de

Other certificates including the domain name semkath.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for dav.semkath.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 320092211034895742309074022358095116194862
 . . . . . . . . [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 2016-09-30 21:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-12-29 21:00:00 +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 'dav.semkath.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 627349055445324257196762795096200724968066128013011073140582404287270560276492013032293472529133788378927533836350382869700805480009974920449884039457874707967804405579101159846379022829329521986839443565541852510352722242020636610501748073038711593061348034589830114276416561196055112461363878196277026525235246969558271496034630861456095107003503180533111629043975276859231049923802271872434958206558070134382751219191409081511383238135594450479270949691554783335061953739295032554262565635841179635012449060402898214308400346230090754020112715312926982851232652298139042090063400097094311685251402674923632822519840824196956857046927900918011867887067171461228515587428564054788282152158208401567583832300125916226763740566908511280660958613504705957641693792618381437292115192411732591222636628034817427615326974231391624508787665772793760761503000728706615506985145041787673972676566058993617288432039130991563718265903783620823215581255664903448933463915143924981046410448565150646008043897624348756957287235323670603448018627017226419832387171027532860351609703010784742059564142350161784601944028974958338321352754494151294446800128373689657526344134991232006897879999526658984021353036656987673977615920576108415771620622529
 . . . . . . . . . . . . . . . . . . . . [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)
							54e084f25676e48ee16b9b316b195b9a2d642891
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dav.semkath.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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