celltekk.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:78:1d:8f:04:01:6d:98:c1:c4:f8:02:14:0b:1f:84:c8:b0 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=celltekk.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:78:1d:8f:04:01:6d:98:c1:c4:f8:02:14:0b:1f:84:c8:b0
Serial Number (int): 302210032017364673711107959635239449708720
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: dc:67:6c:d8:05:75:03:a5:6b:38:80:16:bd:37:fc:5a:6e:ca:cf:4f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 82:89:9a:13:b6:81:22:3e:8d:7e:07:e4:aa:42:73:a6:4c:e4:65:cf
Fingerprint (sha256): 17:66:57:cc:2d:ff:ab:04:3f:53:5a:01:dc:1e:e7:a2:e2:dc:cf:c4:b0:cf:28:1e:00:d1:ad:6b:37:ee:8b:e6

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

1

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

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 302210032017364673711107959635239449708720
 . . . . . . . . [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 12:01:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-18 12:01:27 +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 773229207531477509209115069962867138844229389488560405953075461804631246339813935546522022782378486620146993804176303105178763789439679419491762297429245462214910772494845509351641909446745343099907840559608015343249552129263596961001584806546496942957812051634649703194763256424411430286057141630356224442734134774098454976352703269285102122421421574419343851769625841467344268945263228243930202477615762782709750741500531974130283426323542176445735306221119947414629976741624326614238923392703893879641973855616097799321703316463185648814142657164786189930648831472405306128660894239718991706531224329547294554682209402893935534988740694184034333545660721494360067546767184821678095986257062399017767382129446662814407569345711452058673365202746296081929083718777634280377874183765494359537289651175590466051998356664993427140282170545395021645511920280228602333849361908338678095871998588745249980281829988397658536963400655852926670195534823865221179739192686549590714084336707391352267912353157886740367665781773113418177423240119256924118632882680358619624244578202841460345898477337399832052618119728801335030461938474093303526986520113152432844364123651372160150642158593170013795736447014328265697922249905872426591436100991
 . . . . . . . . . . . . . . . . . . . . [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)
							dc676cd8057503a56b388016bd37fc5a6ecacf4f
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016fbde4d3810000040300483046022100cad08b70b9dc974b5618f02c9e8205df832ec34ac8cfcc0b56a87985891bbff5022100efba0aeca2b49b41fa779cef5383f2a87928339257a54ed5a9194ebf9f02e38e007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fbde4d36d0000040300483046022100bf164aa0e20d05afb8db5e27b75da674b67d7d657143c5c9dff8684d2aaa461e02210085320029d6f83ba7a908f5b546b2d21fe066867efb54732808d508a00f56975d
 . . . . [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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