www.celltekk.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:43:59:de:4d:92:fe:5a:a0:3e:f4:63:19:6f:f7:39:ca:e8 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=www.celltekk.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:43:59:de:4d:92:fe:5a:a0:3e:f4:63:19:6f:f7:39:ca:e8
Serial Number (int): 371367517865662885843783217541936594930408
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c1:83:d1:07:fd:56:21:cb:8a:b8:02:4f:2d:51:86:6f:77:a8:df:4c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 96:36:76:74:ad:88:3d:11:4f:f2:be:b2:08:28:d2:45:a5:a8:da:f0
Fingerprint (sha256): 85:08:b6:72:df:03:7c:52:a5:32:1e:d4:d8:1b:11:0d:81:53:3f:30:68:45:96:6e:fe:35:36:9f:b6:57:96:50

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 www.celltekk.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.celltekk.de

Other certificates including the domain name celltekk.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 371367517865662885843783217541936594930408
 . . . . . . . . [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 2020-01-19 12:00:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-18 12:00:41 +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 'www.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 737601620250044308340943394367193477822839319769700129871821110936518165937800679280133418778420067719590360304675138921538439685402329234414001853398977061676623672743658186070378652045752602212127248778595856832932219078608504762347569269066545636643630310478556148090347893093199145159900782655080771771303186902056835559575068977731149877533541007582011380914426566307806383042663768551068070423561648840947289440698151884017764657845037165688227968477873757321415342767264704146561094339720453953197000761155696707568441523284745371973065949401962256311333419026709302592938795300141967262494306254382248038516917563890117602871598921738004634357082309912679694975834352775882035350797598756754178032202623973821166956707899583683775053101802394198811264161015617909595296020104936758981627870482680754868035121670899160177797438644034329602403757114004244763910911437135696679662687655544731908763072675203272417241488264914756050012759817135120389384110224052859780273130409459879837008255780125866451427825711513342128144982423070436218266955748192569428450177688228642599559352275103631973920888307419441519530572329590316369584833216960108631041840749173722634720250863326526405148013145617450928326800808591762531296657519
 . . . . . . . . . . . . . . . . . . . . [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)
							c183d107fd5621cb8ab8024f2d51866f77a8df4c
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016fbde41f270000040300483046022100df06e183bd6d016644804dfd8c54b7479fe8153af89d4c2bbe6889bf672bd4d0022100b20149f8104ae68108d9c4569daeb6482f60b31179b6110f02a0649ae8dd158000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016fbde41fb200000403004730450221008df4f1c76b2220a547ee6223ff9b6c8c626cae79f71f589986da155546a9c89002203a8049c5677ef8d84c8f4072810ac944c8d1811cf60fbfd0d6dfb02858f46678
 . . . . [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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