DV SSL/TLS Certificate for zeus2011.aifb.kit.edu

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the zeus2011.aifb.kit.edu DV SSL/TLS Certificate

This certificate with serial number 05:19:4c:55:c3:99:05:b1:f7:2c:ff:ea:1f:56:43:35:48:14 for zeus2011.aifb.kit.edu was issued on by Let's Encrypt.

This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for zeus2011.aifb.kit.edu provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:19:4c:55:c3:99:05:b1:f7:2c:ff:ea:1f:56:43:35:48:14
Serial Number (int): 444169955471930868035324950557585743104020
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: ea:0f:ce:89:c4:7d:1a:52:ad:2e:aa:29:d9:0f:71:e8:4b:5f:f2:1c
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): c2:f8:25:ea:1b:66:7c:5d:30:71:42:65:e4:17:e4:28:a9:6e:69:96
Fingerprint (SHA-256): 1b:d7:95:ba:48:e2:2e:05:a2:bc:62:6f:24:cd:43:01:4e:75:54:8f:c4:7d:b3:e6:70:6d:6d:a1:4b:7b:6c:d5

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/21.crl

Check the revocation status for certificate zeus2011.aifb.kit.edu
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for zeus2011.aifb.kit.edu

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

zeus2011.aifb.kit.edu

X.509 Certificate

The complete raw X.509 certificate details for zeus2011.aifb.kit.edu 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 444169955471930868035324950557585743104020
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-11 22:06:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-10-09 22:06:42 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'zeus2011.aifb.kit.edu'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 586403580409003357904864385814884965288196900480391997534558830176124321456338563036317627312226077182900394595336446722259214105657481384705615809246278189003282429732567634923396456794479108154987314084315845885284224178809562480480226821904318298480150471642794417092095510109357586592562555326032926121759310636813184653046597150890491738444225937474760441236123999180754537428016275586352885943576031288189686125188390211802862091332459952766131212464835526719441093050186600516596582860159987032255446460638909445756271153966934051331269197938265250142873669485013284529039303540367680552519082553462215686463504159397793085438338182518675604572723176559729589745501219304343001702893963582204150365671181616829030710055922060386196491197817209226236515910436578877905594895925543092390855509616874142557299361809847347657702540612392353136138216681064456988527521727638496965750246459284492530512843232670763048050008388099213192703931777311657093658044866263251510595913516175745410754370667579029974990808279261069195370789700305858575984981038400827772959285641469107604931112852001411345991511907329242558131846546985602208578691343922096615660254149836563497478423567522386702735827102527219128835085553241251944681384831
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							ea0fce89c47d1a52ad2eaa29d90f71e84b5ff21c
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zeus2011.aifb.kit.edu'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/21.crl'
 . . . . . . . . . . . . . . . . [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)
							00f0007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197fbbc57620000040300473045022070863d86e38d65d3cb4fd4e7832e3e2c8f87aabb2eb1609a1fc446d65023684a022100f4cd8ee26cd2639b8e56d7b90d389168db0342fb7665cbf0f7fd09b12d24cc760076001a04ff49d0541d40aff6a0c3bff1d8c4672f4eecee234068986b17402edc897d00000197fbbc57710000040300473045022100cd9b19dbf9e40c37e0e0502301b5214ba9ab264a770d3bbf76b44619e167b08a022049bd50071414ebc934f91b2200b0da084d060034c807a92ee60d0ca0851be18e
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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