DV SSL/TLS Certificate for bau-oek.ch

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the bau-oek.ch DV SSL/TLS Certificate

This certificate with serial number 05:7f:df:a6:42:32:e7:61:53:21:2a:7f:86:39:69:9a:ea:75 for bau-oek.ch was issued on by Let's Encrypt.

With 10 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 bau-oek.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): 05:7f:df:a6:42:32:e7:61:53:21:2a:7f:86:39:69:9a:ea:75
Serial Number (int): 479074571364771021776376878829897940396661
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 41:b4:a4:5d:e5:a3:3e:b0:29:4a:2d:4d:e6:e7:68:dd:9a:79:86:1b
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): ec:6e:de:01:8d:94:77:89:6d:0a:df:43:5d:59:7f:28:b5:5d:34:af
Fingerprint (SHA-256): 43:a2:44:28:dc:93:27:43:05:29:20:44:b0:59:c5:ce:b2:6e:74:f3:32:5e:c9:87:40:9e:5d:ec:15:2b:1b:51

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/118.crl

Check the revocation status for certificate bau-oek.ch
10
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for bau-oek.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

bau-oek.ch
bau-oekonomie.ch
bauoek.ch
cost-i.ch
pbk-ag.ch
www.bau-oek.ch
www.bau-oekonomie.ch
www.bauoek.ch
www.cost-i.ch
www.pbk-ag.ch

X.509 Certificate

The complete raw X.509 certificate details for bau-oek.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4+UKVEk+WuNdB5BP/R/k
k02nknq5yGcIgRShH2y4jnJ1j/kcTbD1LHLgbMTeavdykX6JVACITSazxLFJen8B
sejx1+Qt6Cs8BIREwOCCqvxeFd2mbn7YSi7NuNazaXeJQwDPTk/l3BAxTC/Kd2a9
YIPioQ2JkNW3ukgKDEDp1bOkHjLPHPa068BQ+DJ2IecVGq3lEXzr/b+q/rN6Poc7
6in47Y1S0gUsHAgT8TzNF6wLFiihZuc0mTm1nRrd4znBF93sG8w9IdkpPRuz9Ofa
W4ENlL1rAwDFuNhyr8WspiWIUKo51Mo6Q5W60pV9t+VcAYuV1s5PMFOQ4SH18NHd
2QIDAQAB
-----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 479074571364771021776376878829897940396661
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-27 10:51:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-25 10:51:51 +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 'bau-oek.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 28769039232672636806303810330179615842638464166643529854515865793346227675775656247985305100942205809050072996697059571588289495879826798784897827450177709660100423813747738453628840524362949132866544260625835434316950161831354016993074614854179457877106096885042604861749782468669362779166041743196689959620292759197357166806231044954743960224666181907830153209091178092012032287217220327379217079907535149859760763741763717928221663292518604123272437720581398244740686425374281041792471743885687580189584019759219845887943969536018999712386463880381047056294655313754119010536142188717148853882473300072115591044569
 . . . . . . . . . . . . . . . . . . . . [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)
							41b4a45de5a33eb0294a2d4de6e768dd9a79861b
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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://r11.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 (149 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bau-oek.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bau-oekonomie.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bauoek.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cost-i.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pbk-ag.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bau-oek.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bau-oekonomie.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bauoek.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cost-i.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pbk-ag.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://r11.c.lencr.org/118.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)
							00f0007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000197b13976a70000040300473045022100802bf602db819aa8652cc205c97fbfff4dc4b7b1c53b8a1dcbbf5d93991caa340220552a50256fbf637ef6e0e1ea147292f42e89198eee86f68728b31841226596b100760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197b13976a50000040300473045022059dbcd07c4a0967b0edac410a884cbba5776bffd1a90047622f8870f6f1f74ad022100b10c6a87e494ecae8369cfc9f9c9c87cdd8235a51dcfe903ba1dba38c383266f
 . . . . [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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