czastka.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ca:62:64:e1:94:8a:c2:b9:36:17:e1:83:0e:2c:7f:d5:23 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=czastka.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ca:62:64:e1:94:8a:c2:b9:36:17:e1:83:0e:2c:7f:d5:23
Serial Number (int): 330204684061893958009117757871369729594659
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: dd:7c:cb:e9:b6:96:ad:0c:53:a7:10:c1:5c:bf:01:18:30:7e:6f:ac
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 53:8d:49:c5:e7:4a:35:6b:d0:57:5c:a4:d6:aa:94:b5:fa:76:f2:d7
Fingerprint (sha256): 94:38:b5:8f:9a:19:c6:4b:fe:8f:de:a7:91:44:84:3c:ab:61:96:d3:a5:ed:c2:d2:03:9f:0c:84:9a:7a:fc:0b

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 czastka.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for czastka.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

czastka.de
www.czastka.de

Other certificates including the domain name czastka.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for czastka.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 330204684061893958009117757871369729594659
 . . . . . . . . [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 2017-12-24 13:28:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-03-24 13:28:12 +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 'czastka.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 720418319371980589154078228903814810020848513919856023009327543881423546825917728277742753698751105840512240825459655894995791181197675917574414717895517139596972953362473608270736188756703739348393380583381530732248125922692283931336246694563649055820554567546945478367835167294678170082148392630091525972889474586869143688664899707663616025736641225291969232148100908222407622352340191226786477733049662241454087252508280249578528537593883008296882242388601881546285389885203058568763317497980337282776546556630907854344052889632674316317601050029430536135581894177590826808161616276093477894015682589352681941935893312579422868112975473973019361863962612248989028046394872793678358449175922539558500145344067679579387803647393429592779138929603255749690196253900597824699044452680056035944870180237909102751206812248465273856551866356769017072815441507997582679356588482262527660115361008086358255288214570148765379996385757728165940067086913141997105756429428974101273028887197413370965547237285638079628800408432748208026316812043145604977055176541423891498747351390334567301296994996683464129953119341682368252645993802197671348983294355846449101248141416909898873246647624162501171672941826568719442294910049157016174015823531
 . . . . . . . . . . . . . . . . . . . . [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)
							dd7ccbe9b696ad0c53a710c15cbf0118307e6fac
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'czastka.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.czastka.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)
		001f435c3e947cc68ba2480cc821165c6845f0c3b918d82aa70bc1f52f20b2e02e87b7537ccc57107bb66bb95c2c46f86f8bcca5dbadd717183c4412a5dc6e3dfc50cff5a64c66209df1d18e12ecd57e2b08c89a89adb946468b54ce0392bc32240e466009002f0a677bfcdbf01e344836b2edd077135e4a303c731ea93f75ba6fb5130d8df8dd1d40cfe0d113337fe6db0a8dbd0135c807b07a0ca946ff9638c9aac482c59a855fced6cad363ddeccd0326b09f72693439e04fb423e9ad2cbe7b57a2f5e3b7edf5e66624b3eab1db04a307fb31a711c8fc260535e82c32d3e35b6931758df792d75e744cf0032569b9b64daec069debabd670317d2427da33801