celltekk.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9f:c2:0f:88:ef:bf:84:d8:46:8c:86:a1:3f:27:a3:71:37 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=celltekk.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9f:c2:0f:88:ef:bf:84:d8:46:8c:86:a1:3f:27:a3:71:37
Serial Number (int): 315699705028747616506259006340356974539063
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 36:f4:79:71:79:d3:c6:d0:60:62:4b:a9:8c:c0:40:24:88:9d:d6:0c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f9:d9:2f:8d:bc:3e:99:b4:cc:46:e4:17:17:ec:f5:a5:35:56:02:64
Fingerprint (sha256): d3:20:c8:c1:6c:c7:1d:0e:21:ba:bd:da:b9:2b:d0:1b:2b:70:79:ca:f5:4c:91:6a:39:a1:09:c2:68:3e:17:7e

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 celltekk.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for celltekk.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

celltekk.de
www.celltekk.de

Other certificates including the domain name celltekk.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for celltekk.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 315699705028747616506259006340356974539063
 . . . . . . . . [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 2017-07-31 21:03:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-10-29 21:03:00 +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 'celltekk.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 880944188411312673152091068540094775467442111704884740310027568924396273601075235513104875609457439835041747312480642321896748088419377754262528549029116073179729158345939306669436297475101159520794928059482609156067995397384392236096277049465633749061232917809509274042134172184424019985700947031097638939825211836012361072489706392856961254882533487712713815565639504596906216382302568057032038184522728205488043824499085351644127377583195371997425026951298999989657206560499067786456487223770161688011332226033954190745513758977010620016702312703638579865976464725065553377358270110249746114259880600671092143606835709563969666942750783726761248453079903280456274683168268277021586789183492970824329007174335977879723039894096522734849591482972472708813890938250770440349883921139359848696188027032838655427593677444970267126424246343554893220090727425424569040788591187131807172521703572123931669548693996341274662681306941360159773850758464847920824284437293951652207278380390583860706380042218389637538346514664767260961943802960901900641168702628198179502272064808610265072531904690253433236852743118959101675146389178340143217126808729362853682667395704613378268924689998640728136619650126606999400289970573265917373014956499
 . . . . . . . . . . . . . . . . . . . . [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)
							36f4797179d3c6d060624ba98cc04024889dd60c
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'celltekk.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.celltekk.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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