celltekk.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:93:dd:99:4f:60:da:a7:48:46:57:eb:3d:10:48:4d:61:33 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): 04:93:dd:99:4f:60:da:a7:48:46:57:eb:3d:10:48:4d:61:33
Serial Number (int): 398765207082890695206062834673943244005683
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 61:e3:8d:cd:ff:91:83:78:3a:8b:ff:51:68:ca:46:1a:55:ed:1f:5f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 59:92:cf:72:35:5b:d6:95:23:af:4e:b4:14:e5:5b:59:fa:09:a4:c0
Fingerprint (sha256): 87:0c:9e:a1:4b:5c:03:08:1b:72:df:77:9d:e7:80:16:55:17:71:d4:c9:b8:6a:25:3c:51:19:ac:61:4d:2f:53

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 398765207082890695206062834673943244005683
 . . . . . . . . [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 2018-01-31 22:01:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-01 22:01:37 +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 909330038462750401781862283421855221407743894303084890103477957943840641300819409688402606421467507430913477109022642278959861454405541964415754010639197652489289895969345809251156578924207099662012867818927086983657117608142599808033144808908983957429082184344936411112388516108242061605129361959418110499122802320335951626774383812653489935402357748026195783454704761860984237862790304420570718476641445461884372736495291933214840844804344508354877841521820916011255727827565320487791260113059918629449870089093918748543086064831025320006058323924392326091311915710266375464799279181274679718349172555713828618263130180426403613023461075917189354077723528391202503421592101401080203569665145474414011791322511666359357132053974848010868947102099101859729141327027802530658335976769010620796219838122543405253728860433313094454464265318323395324323671726381387027209153726162456382719663106185688812940729835065751485068601428762182361431212475591142544409459266916838619871107203395471601398884637216207964069764492143224431653522861484676046566919786082415614200472107674323071955363884487327273043900084814756455376787542149609619524871467647414453740336699258811127289355357213233046777495565913641744177747062285842410840183947
 . . . . . . . . . . . . . . . . . . . . [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)
							61e38dcdff9183783a8bff5168ca461a55ed1f5f
 . . . . . . . . . . . . . . . . [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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