kolkge.3cx.de

Issued by R3

About this certificate

This digital certificate with serial number 03:6c:8f:59:fd:ce:77:79:5f:d1:30:bb:56:fe:4a:f8:dd:c7 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=kolkge.3cx.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6c:8f:59:fd:ce:77:79:5f:d1:30:bb:56:fe:4a:f8:dd:c7
Serial Number (int): 298277900288367353213888020850261597150663
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5b:a7:85:84:b9:f5:78:92:bb:a4:8c:09:37:16:da:f4:49:2a:35:01
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7a:61:4a:34:4a:69:1e:d7:f0:18:b8:01:1d:88:5f:e4:a5:d8:8b:b5
Fingerprint (sha256): 05:a6:e3:d8:42:00:20:fc:e9:a6:fb:26:7a:ec:4f:f3:78:37:93:a6:72:d6:5b:79:2d:fd:89:2f:df:ed:3b:2e

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate kolkge.3cx.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kolkge.3cx.de

Public Key Algorithm

RSA

Key Size

2048

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

kolkge.3cx.de

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Certificate

The complete raw certificate details for kolkge.3cx.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzUNEkZ01x3HX1kAZDW8Q
FgyLOOB5Fop3jcUFVHQGBQ6OC7krb57FWiJiiA+3BS3EkvZj2lbinpoKTgwDqEY7
bn8/g6ifp67n26KlL+ntxqWYmUoxAXHYP0H8ZjO6GNlYi/EzkBzDNcrg4IMbTpvO
FlBCbMapiIFAM6BagCcGGXLRmZ4Y2uc7hnnZXz9l+7k1A26qGamHILyi6F5pFSGj
Pnk3XOIq94vGrZ2pYBYzlbgRlZdVoF2ZXdalPxry2EhEqGHSL+9bA5eNtfM7wHMK
DxRNz6b80QU+RClR5qXZAIgLXRY/RIJyNk1Aec2PWeeqpQS2VZkD7VCZYmslQI8y
RwIDAQAB
-----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 298277900288367353213888020850261597150663
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-10 20:25:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-08 20:25:47 +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 'kolkge.3cx.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25912023529646408466687018043196743014767032969353266321307971904969862059373603858783366606775671538586933153832477268619421910778037282629352477600851345077027658269676489139256902932425105882044470146306553131115737599867182640116898019711776468373682778639440848211244410619574502562896213786601752887098905650879895314892763045706518980928278301109773896292413719990849741269710528216363247938061266409396882323820872853444639225663203598145279380051459079947621184176012018436037463843089453511440328940267488131776458219012479565527531661917719807842188529939711460584887289242724650643830636030391910784774727
 . . . . . . . . . . . . . . . . . . . . [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)
							5ba78584b9f57892bba48c093716daf4492a3501
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kolkge.3cx.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189e157639600000403004630440220354fae2b981f5be279d6d5a4cfe642813fa510d23fc8050b8206fd8d8f9cb6590220259322982ece4cb63f0acc097ec70acda57407763922e6c0a360b8a04c60e70f007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000189e15763be00000403004730450221009cb7983bda0b4d461aabca1958e49df8c5cd10a7240b0a474558ed24e542713b0220752b53dc115479b7d1b70ce1788b9a8ec4b68c8087c4351b8024ab0321396326
 . . . . [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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