ksg.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ef:70:70:c6:ed:23:35:47:e7:ac:b7:cd:c4:7c:56:ea:0e was issued on by Let's Encrypt.

With 9 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=ksg.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ef:70:70:c6:ed:23:35:47:e7:ac:b7:cd:c4:7c:56:ea:0e
Serial Number (int): 342813802596866171612963093901218919410190
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e5:0b:da:3a:63:11:f2:da:4e:8a:d2:8e:8d:00:cc:d5:cd:e5:de:3a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5d:2b:e8:f1:52:ec:66:e6:b6:df:7a:ba:c0:f4:27:c6:33:6c:f0:a8
Fingerprint (sha256): 90:ad:0a:49:84:1e:01:d2:35:b4:66:ca:ea:38:10:47:86:4b:17:f8:b4:a3:bb:59:f2:ff:ec:ae:a7:06:f3:db

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 ksg.de

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ksg.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

api.ksg.de
backend.ksg.de
cron.ksg.de
ksg.api.itool4.net
ksg.b01.itool4.net
ksg.cron.itool4.net
ksg.de
ksg.f01.itool4.net
www.ksg.de

Other certificates including the domain name ksg.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for ksg.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv5kv72ZBqOrKRAHEnPok
I9e3Bhzj3dK7XcWPxk841YE66tdLKBA8sMH9PVyAC0IzDSutvoXDjvD62RCcyBst
yxeCbznf0UdZ2h8NFUrW6qMi5dGMd2JpJNNwu3GIHnu1a+X7hH72rDRfEQNVIg22
QVP/dkhwREFK2LMfJ6/GMPtw2b+jWRmQdkV6CcTAKslVoNUD2bHI4VCrNOk8VUjH
+0gbdxXZLoJ/Mm/x52LzfiTSSWOdbTZZg3mZX+DC9le8jqp0naLZg4Bh8LYLc8lT
5gGT6diOs1+bOTUQT0kMigDnCUCjeoGoQyjtiOdaBwFuA7i7M14P+qRxTdX3mCGc
EwIDAQAB
-----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 342813802596866171612963093901218919410190
 . . . . . . . . [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 2019-12-23 01:03:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-22 01:03:40 +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 'ksg.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 24187055695256506850288349481877552995959457106208148783781281823589095681288523323179905660641403773494316397824722906753621016723878924628205083401088864575114803709010224419535744539289290663988194834980354699370321504332539543385830269599356183546478050832380633177722974670200282968193676329501162547806773935304194164921549603526899443700453302513635385761877478976255959890392156259308710252167555645104548629710349159723297982622050099048464656759477880113563112989580001107626156921334893899263097469223252934617512866406975455310406957291950347504645042092474111397503026603613087850236854351829364071570451
 . . . . . . . . . . . . . . . . . . . . [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)
							e50bda3a6311f2da4e8ad28e8d00ccd5cde5de3a
 . . . . . . . . . . . . . . . . [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 (145 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'api.ksg.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'backend.ksg.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cron.ksg.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ksg.api.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ksg.b01.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ksg.cron.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ksg.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ksg.f01.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ksg.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)
							00f2007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f307ee89d0000040300483046022100d442036e9d0943c3d0e918dc83247b65ccba1618a1c3b8a44336e4b6a72e6544022100e683f303774b0cc15f6a6045c2f416b7eae0e8b2ae77fc65bca8379914fca0190077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f307ee8dc0000040300483046022100dae26cb9f911e0a22e856840695c665018528f0f1e25b2dcde8a6c2196e3492d022100a93dc543622beb213bb1c82ab920309474d3234184cb4e4d2478caf6666f0737
 . . . . [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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