courses.sbe.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:05:04:7d:1b:07:cc:d5:f1:df:f1:75:54:38:4e:e1:f4:59 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=courses.sbe.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:05:04:7d:1b:07:cc:d5:f1:df:f1:75:54:38:4e:e1:f4:59
Serial Number (int): 263044236127218938795753182410161722094681
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ad:03:7c:e5:cc:80:13:38:38:6b:21:e8:bb:68:de:f5:8e:41:63:96
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ca:bd:a0:87:50:2f:dc:20:fb:78:72:41:b3:de:85:14:5c:ad:c9:29
Fingerprint (sha256): 97:b4:10:62:90:90:fe:f0:7d:1a:46:bd:86:98:e0:80:41:09:97:ad:4a:5c:39:5a:16:ef:09:45:2e:1e:52:ee

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 courses.sbe.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for courses.sbe.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

courses.sbe.de

Other certificates including the domain name sbe.de

(limited to 100 certificates)
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bareos.servers.sbe.de
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ts.intern.sbe.de
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sbe.de
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sbe.de
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*.sbe.de
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ldmon.net
courses.sbe.de
files.sbe.de
sbe.de
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*.ld-monitoring.com
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burp1.intern.sbe.de
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courses.sbe.de

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwi0mnWSV9dO3RsMSgzlE
ZSRfGh1HYtKyne0JKQLPRCGC63L/xTJaVWrgPfbHVvqWmUpdC0tJ+sxKTeDTlA5O
VTc0L3NEW+QOhZqPIFgo8tPCCOqc7SrvPW1eJ/DXlWoBQOvVbBecdfC2wy2CiZLT
gBU4TeAfJg8WRu/qebKEozczZl0vp4yyQM0bkpfJhSzy1oKUrA1PMK9+uWU7GVE2
PMj2Mo5cmZTA8uyDaJhnsaHBN+6nNxfVLu//wUi5/P5aoSDFdwFWzBCNOZW+OqZN
r4/hjX84Tsdxi8hhNqVPAgojDFJB/9C/zW35Nf14k3qzSWbLKdaL7LTAwl/1hUVZ
1QIDAQAB
-----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 263044236127218938795753182410161722094681
 . . . . . . . . [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 2018-10-17 21:00:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-15 21:00:13 +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 'courses.sbe.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 24512495872005092860501382066254482452295452948176765370958893790943171516548638571938844317475050352449378073672133405310929192650994094999998214165471620818974428756071621478381472253746708778724665839925816913618681832153981778648793188286149710062422467039759418083052723186125312980447823770307956416621792331469739782893709488046494535317874208633835108242975235179300721710277497883718462000039186820703568038751038186504111596484109106977132014249548334238829668538629611565524319435294538686341520070250118972804244002133609597068663720268624967214611457356827647031806002811058256566653454479044534623099349
 . . . . . . . . . . . . . . . . . . . . [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)
							ad037ce5cc801338386b21e8bb68def58e416396
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'courses.sbe.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000166840b1e5a0000040300483046022100f55faa0bec195d174e4277c29148510b154853dde1ae25f179bcdeccb695f714022100a5874bbf65d797bd5f27afe4dafcd5d845ff7ee82db3fba55e5741e3b9ce047a007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000166840b1e5000000403004630440220789fdb6be27c7655a43fe723cae7ebce38a55fe2e11f8eb7036eec3f2ef4a8380220138a1476e85517a78210ca2964c0c7ce7cc73e712749f78f17a404c0cef5ffba
 . . . . [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)
		007b5ef77d5afa58ba5d5de37786c49c9e9575601cdde10db38c99a0d784ea8b816e6ba6ab0d418e4e6819bb752cbadceff0ce25e59afe88134e74acea5ba2b7253def9ca70f7d83787edbcd83fbf2f6fc082235f6b8693dcb0c0e43f29528398ddfc16849b0f91fbbdd20f466a3e0920d68bf70d29b577a59af5bf2ee9baf407ab864d39871d1d19673a560abc04f4f6ffa30db72f4ae2d9a690bbd447edd949efa98c5e10e9e236cc6df4a1dba8977420b8d220ee6cb021db15d25843cbb872585aef7cc88d81d8528918abab751e5511d0b6cd4cfe4c585ecaaa06494a15e47edfb7ad0afa4c1b37bc74ea87346f1e780b79710240f511be3b7cd16de24055b