idg-executive-education.de

Issued by R3

About this certificate

This digital certificate with serial number 03:4b:35:93:0e:74:47:85:bd:ca:4f:bc:fc:f0:a6:49:30:e8 was issued on by Let's Encrypt.

With 2 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=idg-executive-education.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4b:35:93:0e:74:47:85:bd:ca:4f:bc:fc:f0:a6:49:30:e8
Serial Number (int): 286929247958932266282418716474395572383976
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a5:11:f0:a1:68:f0:77:61:ed:06:cc:f2:04:bc:02:15:0d:6a:0f:07
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c3:50:e8:d0:b1:d8:07:5d:bc:7a:03:f2:ce:17:56:fb:d0:dc:69:6f
Fingerprint (sha256): dd:6f:a4:18:11:ab:be:82:97:61:f9:c1:5a:fc:8d:78:a6:fb:7a:ff:7a:d7:80:0d:8d:58:92:b1:72:b1:a7:71

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

Revocation information

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

Check the revocation status for certificate idg-executive-education.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for idg-executive-education.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

idg-executive-education.de
www.idg-executive-education.de

Other certificates including the domain name idg-executive-education.de

(limited to 100 certificates)
idg-executive-education.de
10jahre.cio.de
archiv.idg-executive-education.de
archiv.idg-executive-education.de
10jahre.cio.de
idg-executive-education.de
archiv.idg-executive-education.de
10jahre.cio.de
archiv.idg-executive-education.de
idg-executive-education.de
idg-executive-education.de
10jahre.cio.de
10jahre.cio.de
10jahre.cio.de
archiv.idg-executive-education.de
idg-executive-education.de
idg-executive-education.de
idg-executive-education.de
10jahre.cio.de
idg-executive-education.de
idg-executive-education.de
10jahre.cio.de
idg-executive-education.de
10jahre.cio.de
idg-executive-education.de
10jahre.cio.de

Certificate

The complete raw certificate details for idg-executive-education.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 286929247958932266282418716474395572383976
 . . . . . . . . [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 2023-08-16 01:00:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-14 01:00:08 +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 'idg-executive-education.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 879666459493287415363348504902461970033510851718966344459010661252158870268660302495722603680355091139849617992192569513662373467899536918001354537843461816105981358987374666347386486022326308668321839889021786528231056124585142282636558422541759639551695661386014739710988005574560720217836828266836221883429225983004418512111976091392053275529589997318886407939936483584582365852483747216316134516242889949886386823463230625753246368754518305778253703402402318284669406440865951310022147789463239379007418150435707879718335293810841993239997246362271990981882634002314081749059360295996619846045494090070057379585558560545862087141574897391419094495739413033718620233064383904076855333287908883399276598490812681395421555224695691342823976382764751487177642680876882924140859292582056886034537073930960380872122277046112784438704985986232544083713714413418179007808591476561428076143000489151282798069874187527578914857389222735946615275205722193816350290848290547826484341990020710099396792896024779137305387976168642797865686479007275174642262571562657236594851636863366567618152171811355681684869680715267896163285236362292750700724112206777204117847585017700941830037411999815055881044611024954885546963802912358686187054731701
 . . . . . . . . . . . . . . . . . . . . [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)
							a511f0a168f07761ed06ccf204bc02150d6a0f07
 . . . . . . . . . . . . . . . . [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 (62 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'idg-executive-education.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.idg-executive-education.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)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189fc125f750000040300463044022032801c0e01a29bcb9d370bb4f7893a0e093f449a6961f4773fe07db983a9905802206774e9ce1cd696bff80f2e00567980802c5027f6664f30a7e002e1c186b084870076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189fc125f9c000004030047304502210094bd96912af0362b364a8a0e12bb8fc59360aff99649d2a5b3d6ddb076680abc02203eeadf1372aaa7b99322aef24bec59d8e6557c7e4025f620bc65bf1940194b26
 . . . . [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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