semkath.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:80:2e:b8:8f:2b:9c:6d:3c:e0:3a:b9:e4:04:2c:12:19:95 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=semkath.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:80:2e:b8:8f:2b:9c:6d:3c:e0:3a:b9:e4:04:2c:12:19:95
Serial Number (int): 304955103535428735833847869269963336456597
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 70:7d:1c:59:71:6b:95:37:28:55:a7:94:70:95:43:ce:bd:64:5f:7d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cc:23:ad:5d:92:d2:af:2b:d5:a4:b0:d0:97:70:bb:61:f4:32:04:35
Fingerprint (sha256): 67:49:48:bb:3a:ba:01:b3:79:11:f6:43:46:d8:21:2b:ee:87:2b:a8:ee:91:b2:0e:d9:9d:8f:ef:45:cd:e8:ca

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 semkath.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

semkath.de

Other certificates including the domain name semkath.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for 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 304955103535428735833847869269963336456597
 . . . . . . . . [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 2016-08-31 21:01:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-11-29 21:01:00 +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 '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 886950819757351452199799957894850334294996283747980524609991846086756306811058463456973881689743608798404283731024309991212505410874441165784937770393697405050724896692394295595345178403889089531498135097399249600721590881593161010474974044210866443721830827889367872106113929299131709989977480302002272228142075535296459252678310833093974832646794903397354067271569247718901393204770008582957930849958420683192886158113401476293872354714040553752686400083105807686895098663025946458666912632439220590963977604870801030539947733688801699801862106348437577061660600884631039063106537909696850487782975199057806201454812911857123534238236524690513504372048947003465678971248998997689649433834358409461412045099744931589701558965612215519222389202604067387006570742195273708325052021268649424671990020466479042837660226064415565012991317203227214018770429256042578168554489823876516372742906199323131463636990668480658103122342415438824139444937902910815648896940950456978433760514154588271313306518156832127621506110061514640165277697561512135982558624081149652270285836434668515553597538364366445053485976895022545161001436352371186133529574697808519091899870830846244160380282284774667190927573637069478761514356467473047915536137367
 . . . . . . . . . . . . . . . . . . . . [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)
							707d1c59716b95372855a794709543cebd645f7d
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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)
		00747763b49c143a737b00a6ba37860ddeb5df432eb27dcd49393eb62bb5770360995331ae54100e3564fc7214cff4801a7f30778b4da931323de2869e9803760f5699fe895fd138f8632e94cae12bfbe11dba137ef759a3ef895abfb804d922519088046769dd7f295e7a399b70d464af31fa35f36137be8bbaffc8eb07c424fb7dc2436986953766bf2e203e0efa4fff7d8723c331654e09f8eaee446a9b95620e56521eefd4e9c3fff36ae77f0884af254cd3e97ebe12321570d964bcae22cec74e7048a6bbb0499b0166c2658968fa0e69853897c95536aef9ef6afceb4f6936d823b361230ec38701af8294fb919026745b83798e5fa796c6e6deff240393