celltekk.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9c:3c:08:a9:26:39:2a:4c:8a:2e:76:66:fe:3d:06:ae:70 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): 03:9c:3c:08:a9:26:39:2a:4c:8a:2e:76:66:fe:3d:06:ae:70
Serial Number (int): 314500705683824688445720832250404151930480
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3c:84:ce:34:b2:59:56:0c:c4:26:7a:5d:b8:59:c3:d2:ac:80:2a:74
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): df:74:24:ef:1d:da:dd:60:ee:6f:8e:1c:47:3e:07:0c:56:af:50:95
Fingerprint (sha256): 30:2b:8c:a0:e1:18:9f:f0:e1:9d:ae:66:31:19:b2:06:24:dd:c7:35:a6:d1:e2:b9:2c:77:78:7c:aa:b5:4c:82

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 314500705683824688445720832250404151930480
 . . . . . . . . [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 2017-10-31 22:02:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-01-29 22:02:27 +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 808809459241698177896420176918048592936580159642518570612875133172916997949422977155614335480397183057641671578923595328969446549636379950633234606077918686859160719752007634816152337722659213827302519963356043242425519187926773497920157821983556295271544127215636547157933037691136337210094745678014800213861087808702165320117883762435259052368665862892778318738972532771327593834682452175425581885577882409203152510152229651149852771019885586184832559964662992478868393486015886709730966076370080693542890244536759818598718471754618069266422096874782415778846577853885304413130999218840061123942592295091196916553577539366231240660965094244042127986362115823312146952090169634793931290454604326944036436576226925059128265848753856698330581215540189952594717692656707311082154222329227939748134272197762024240599369355773706540765922035788588490500873794299567060149016785963302706712979922022261130997168552892325476113927509675045036455552057320480023713833165368303783909686994185869121370429926621935497577720271501706782335548989274352136286965246122468521054463078906238655321148122336233015042247852417672872250662216954207082058050072437511384074542098365456994624627949276271651983871296394758113496857717243386266268928509
 . . . . . . . . . . . . . . . . . . . . [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)
							3c84ce34b259560cc4267a5db859c3d2ac802a74
 . . . . . . . . . . . . . . . . [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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