DV SSL/TLS Certificate for *.buonocore.ch

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the *.buonocore.ch DV SSL/TLS Certificate

This certificate with serial number 05:29:bd:6b:77:c8:9e:7b:54:16:a0:21:d7:b7:7e:36:cd:ed for *.buonocore.ch was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. 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 *.buonocore.ch 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): 05:29:bd:6b:77:c8:9e:7b:54:16:a0:21:d7:b7:7e:36:cd:ed
Serial Number (int): 449764788799028345625578313475119920893421
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 8e:8f:86:6e:60:4f:2b:b8:ca:b8:04:02:a2:55:4c:c6:42:91:fc:aa
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): a9:d4:43:55:d3:b0:3e:0f:18:48:9d:39:62:2f:8a:5c:11:fa:6d:f2
Fingerprint (SHA-256): 0b:9b:37:a7:5a:8f:d3:fe:28:b4:45:54:59:cb:6d:40:bd:db:cc:17:fe:9c:70:44:e3:0d:08:d4:61:ff:69:3a

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/110.crl

Check the revocation status for certificate *.buonocore.ch
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for *.buonocore.ch

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for *.buonocore.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1FI22ELB7P4lnGuK5ZKY
7Vk5K1ERXaZa3I0yqepjp2lymXiLVPPLlYCYiUKdbInmzvqACR7AarhbHhNtVxAH
adMFnAElXqoF2964LmZE6LUtgR84hlvynggAyBeh+X7e+UZFcE3F5pBaSzQ6APXD
2+bI+iBh921qIX6PldaN1xcKhpZU4t+Jq39fGG0i2NmQmVcXNb8VlybrYhEyi1/6
IB9fBC7D1e0qwpTY43qvPouYF4uAgHD6cTZ+baO9QuSqPflgRzHjdQg71MdbkSB7
8zHw0mj5+qQ/Ck8sUrMzqhpGRJjvflxEYKJQ2F72TjuDugd55RApPO8FruC+lt7X
RwIDAQAB
-----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 449764788799028345625578313475119920893421
 . . . . . . . . [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 2025-05-19 14:39:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-17 14:39:41 +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:12|false] UTF8String '*.buonocore.ch'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 26803062004252132079981105015242943067542416058635182988737601628875048413300867827853564434067966444593310052452063681196350761086011850506675850277359533889970789337579015077452019708126719329364990301566487128835291331605159632430806721539611761244632644731501786175557287657530753872021773789855426181639619333946357670583875069858651327023816373360504192174763010386962153570693188135966900141415980065173059948178754008393558554726372667417267808980611624308075625324109792250251332763957874609604666455951931352280104974562457485813019640963796983568304360324529559934983131321819114614985391776178587555518279
 . . . . . . . . . . . . . . . . . . . . [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)
							8e8f866e604f2bb8cab80402a2554cc64291fcaa
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.buonocore.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'buonocore.ch'
 . . . . . . . . . . . . . . . . [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 (40 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/110.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000196e932098f000004030046304402207f52d9c51f9a13340af63bf79705f84e9d9b785c5440d769f62f03cbcb811eed022077a2b8b69144860049eaa590f5a0551a30f0b636121e018b3070e79db39eed7200760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000196e932098500000403004730450220607e342bee8a4ea9b4e0775df80bd7f9de316359b13d59549e9680a970af06b3022100e24e5424a6a9c17ebbfeab11237fc71df9f127757e5da936f2ca190774846638
 . . . . [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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