ksg.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:aa:0a:9c:34:a8:38:7d:70:29:46:cc:a7:db:f1:c1:b1:76 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): 04:aa:0a:9c:34:a8:38:7d:70:29:46:cc:a7:db:f1:c1:b1:76Serial Number (int): 406311249449881419465335552240492637958518
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 39:a8:c0:5e:7c:b8:57:ff:39:f9:e9:1a:b4:bc:9f:0e:a4:b9:0f:1d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 3f:0c:9b:c9:84:90:53:10:1e:26:ea:05:f5:78:ca:24:0a:6c:24:7c
Fingerprint (sha256): e9:f7:f1:77:d8:ba:04:84:48:83:74:95:1c:51:de:ba:ea:a4:f9:3a:9c:94:a3:48:90:6c:f7:51:25:e2:10:2c
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
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----- MIIFzDCCBLSgAwIBAgISBKoKnDSoOH1wKUbMp9vxwbF2MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MjYwMDA1MDFaFw0x OTA5MjQwMDA1MDFaMBExDzANBgNVBAMTBmtzZy5kZTCCASIwDQYJKoZIhvcNAQEB BQADggEPADCCAQoCggEBANJ1Hp+P1c6XpjLnqt8CFPtPWU6ZMoylvEifZEKSAyxu FvHAuukClqVwB8zxCy+dmvEUqlzV4uDjnhLQlMSM/AfVLuedFqx3YJ5sJAuDNq/p vSp+sAtzg9F+yEx3S0Vnln5EIc5h2jPuS9nOA5ZfascKeNYww0iD3jNYnxpy+39z udFF8EGis38ZlMaBJy20qCVMFaDXj+0OtCDivAuorZ5jg7WPrFpC7il0+Z6XztCw BNQd+oBQ32gIGJbJD7rqvcQomqxqNVSPqdEQS9Skn1QhT9ZvwsL/ZsY+9AZYs8AC l4sKkc4jkE/D1YuW3Ek8d9KaeXGYC55QXVBxpUpCzqECAwEAAaOCAuMwggLfMA4G A1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYD VR0TAQH/BAIwADAdBgNVHQ4EFgQUOajAXny4V/85+ekatLyfDqS5Dx0wHwYDVR0j BBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsG AQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsG AQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzCBmQYD VR0RBIGRMIGOggphcGkua3NnLmRlgg5iYWNrZW5kLmtzZy5kZYILY3Jvbi5rc2cu ZGWCEmtzZy5hcGkuaXRvb2w0Lm5ldIISa3NnLmIwMS5pdG9vbDQubmV0ghNrc2cu Y3Jvbi5pdG9vbDQubmV0ggZrc2cuZGWCEmtzZy5mMDEuaXRvb2w0Lm5ldIIKd3d3 LmtzZy5kZTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYG CCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB 1nkCBAIEgfQEgfEA7wB2AG9Tdqwx8DEZ2JkApFEV/3cVHBHZAsEAKQaNsgiaN9kT AAABa5FQg/AAAAQDAEcwRQIgQwAfCsL9FCldp5sPjmL0bXOlOXb5EuirLQV0rySO 0JECIQDEnPZdTYrgozZ0Pdc9PdM1cXP7dDlz/f3cZtcQr0BX+gB1ACk8UZZUyDll uqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABa5FQg6YAAAQDAEYwRAIgA1t9Mc03 CdlyJxuBXHrNd0spjuVQTCsTdXzovq63lAcCIH/ZmsQrrJBZzSoJR6W6H4apQRc4 iiTcrBOlfBq4xym2MA0GCSqGSIb3DQEBCwUAA4IBAQCPbQZlPpR74InTWMShqsZj X+L+RHR6wCWFe4owkYCWOUanE0p2vAUKq4EMLtOh4iR+6u7moBfXVALEvd7JRYqt cZ2wiLk2cfV/WKFQytQMnEqu4zxPRJqFdLt1CouIVuTVZUJX7HUvLjudg+MJVS5j 15vzm/0lwTlA/CIZCVBW8tGvxa7VpJfJaWlwzNKlTa0g6GH6HBTjjRnrWGd94x4L 0b+iaVLEgJSSjrYp9M3/PLIcYI07n/1EcN/Hy3d0oqR3HK36xe5l8TfYR0d5ZxR0 lWSUTQQx4W35xsTTXnWlxnby3/ieBwrPYNdvpkEZwDmZHsERUd5LEeCJEa5G3Q1D -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0nUen4/VzpemMueq3wIU +09ZTpkyjKW8SJ9kQpIDLG4W8cC66QKWpXAHzPELL52a8RSqXNXi4OOeEtCUxIz8 B9Uu550WrHdgnmwkC4M2r+m9Kn6wC3OD0X7ITHdLRWeWfkQhzmHaM+5L2c4Dll9q xwp41jDDSIPeM1ifGnL7f3O50UXwQaKzfxmUxoEnLbSoJUwVoNeP7Q60IOK8C6it nmODtY+sWkLuKXT5npfO0LAE1B36gFDfaAgYlskPuuq9xCiarGo1VI+p0RBL1KSf VCFP1m/Cwv9mxj70BlizwAKXiwqRziOQT8PVi5bcSTx30pp5cZgLnlBdUHGlSkLO oQIDAQAB -----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 406311249449881419465335552240492637958518 . . . . . . . . [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 2019-06-26 00:05:01 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-24 00:05:01 +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 26567797881104369485852570284153891069071456764228390606848014089633221112883202532122740418463132832433558641660155385958253929315475977991842658894338426656320576940587088672455746557494343891423268991102377138633483918776921102996495477829025794180422035873654949116495861163339698686015268643617527731325803611262892254377861501909513132680897407045809734530759071659935651135488536315466198283047459283575830717298119667079017321783795454918500800072168190204944243145028965109268557373090417620102052012765072086578998003733971061591295897686399449935509584953402606009920236878039694559547733501066935347105441 . . . . . . . . . . . . . . . . . . . . [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) 39a8c05e7cb857ff39f9e91ab4bc9f0ea4b90f1d . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016b915083f00000040300473045022043001f0ac2fd14295da79b0f8e62f46d73a53976f912e8ab2d0574af248ed091022100c49cf65d4d8ae0a336743dd73d3dd3357173fb743973fdfddc66d710af4057fa007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b915083a600000403004630440220035b7d31cd3709d972271b815c7acd774b298ee5504c2b13757ce8beaeb7940702207fd99ac42bac9059cd2a0947a5ba1f86a94117388a24dcac13a57c1ab8c729b6 . . . . [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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