onko-summit-virtuell.de

Issued by R3

About this certificate

This digital certificate with serial number 03:20:0f:cf:22:41:4d:a8:ed:c7:ba:47:96:54:91:73:75:90 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=onko-summit-virtuell.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:20:0f:cf:22:41:4d:a8:ed:c7:ba:47:96:54:91:73:75:90
Serial Number (int): 272246907456913052873875445423117461321104
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 67:de:a6:01:f6:40:56:78:30:69:f4:86:91:0c:21:d1:4e:be:89:84
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 63:d7:5b:33:9d:aa:00:52:0a:3d:73:3b:20:b6:73:8d:68:6a:37:33
Fingerprint (sha256): 7c:12:5d:9c:be:df:6c:70:ee:c3:1b:03:03:18:98:aa:fa:99:b3:08:d4:be:46:70:df:51:90:6f:da:42:ac:c9

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

Revocation information

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

Check the revocation status for certificate onko-summit-virtuell.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for onko-summit-virtuell.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

onko-summit-virtuell.de
www.onko-summit-virtuell.de

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Certificate

The complete raw certificate details for onko-summit-virtuell.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnLZwRJ4IgyBMfCKAHwJS
bIGKGhhNnk163yut6+IskC3W4tTQEQ8ml5qmvWLZnm4UTVXSWQfj1TRMAZSbdMF3
hTgMIM1+jotfOciWUp3AVFgUqjk+jftkuDJ8h3fQDMYPOXyT8x/2uPmI6Eo/LV6x
+E/dxEupZnuq0y3yuKes+N5m54vEWfKkMljHEXoV5q2CddDPEIT3eGHP1UGoLsUx
OD4AIv3F+oXJYE8WQHhQWOitkYxeNzJVg/cQlmrT4oeG08D3vq6RGwkdx+vjTCuE
p23jkVb+ZGsmDCAiSFWSJhiOO892O6fGyD1PLxIcHS5cwJKqsKNET7CBtu5e2apE
PwIDAQAB
-----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 272246907456913052873875445423117461321104
 . . . . . . . . [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 2023-10-25 01:32:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-23 01:32:20 +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 'onko-summit-virtuell.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 19783139375236076273475406018208291941783516888838996780727019999567568234816084220429748933501525742925882355959886064578821154706574231499661623026445336428777940010463135854367406154693606583332058202893154133119809334488461117843452499363701948574739629992249480425502326699250147989040990677622505610790084177893545357055134197567419408784248416420523067980021384045412388394765631586931858188105633061182248097509925631223334823062946871051828583213331576909125312657905314963419559065658048427065768502856715322289884521270629336482360044374054074172402056274264373071471623368221336555663841474914894593279039
 . . . . . . . . . . . . . . . . . . . . [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)
							67dea601f64056783069f486910c21d14ebe8984
 . . . . . . . . . . . . . . . . [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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'onko-summit-virtuell.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.onko-summit-virtuell.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b64ad01a5000004030047304502203b785aa4045aa9295bcb04d8b4321dacc9c293fc626c43cd0b56740f89032868022100da7483863ff75372e2be4f76a98b75d9518800fca703bb8b99e10c23905ea772007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b64ad01820000040300483046022100c82bc48ec80fb2549b2e2c9f7f817950aed3033ec400275f9a4c2f384ff75af0022100c810be1d22674f6b00e6e7ca237877ba4b0b1e08d80370351fa7fc9cf9856f3e
 . . . . [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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