DV SSL/TLS Certificate for biomag.ch

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the biomag.ch DV SSL/TLS Certificate

This certificate with serial number 05:39:97:4f:06:1b:65:f8:a5:1b:c8:8a:83:11:90:c2:58:d8 for biomag.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 biomag.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): 05:39:97:4f:06:1b:65:f8:a5:1b:c8:8a:83:11:90:c2:58:d8
Serial Number (int): 455158648315975248787816341120219619678424
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 27:42:de:23:4a:3f:0e:0c:15:c8:9a:08:94:0a:a7:76:ea:70:7c:16
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): c2:fe:35:b3:40:e2:2d:1c:fa:94:dc:cb:3f:5f:02:67:fc:84:30:8f
Fingerprint (SHA-256): 98:97:a5:6f:0e:cc:36:f7:82:64:df:9c:fb:39:33:0f:29:8c:a1:b2:50:e3:a4:32:19:68:b3:e5:6b:5f:c9:ce

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/89.crl

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

Advanced Certificate Properties

Technical details of the X.509 certificate for biomag.ch

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
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 biomag.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu2yWRi88I+6TMY/4sHTh
uiLWnqv+24yfl7ckuAEXs9cKmVU1E/YOigIIZXxswdC1AUCOEq9Y+XOosOhAJY+1
/wwUbrErKkDOaPGMo+t3dkV0Y0oQ8xAdnSKxTkpiPIjpjMxqVYM9xwPUSYVSFWfu
S4Psanv3UrXFCMnP1sFbK1B10kHR8doKtMn3oRHwUAOQbn7r0nblQLYmi+Ehhlf8
vB1mZ1PnUgcwoPWo0sbrzmsY58A8pTsh/vurH1hOaw/wEtNMITmkiSoixyBtbjib
W28xpsY8uttwiyQI+zYhW6+oeDDLdc7gwikx9RyIGY6q4AspwiZS+SKzTuBppDby
FwIDAQAB
-----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 455158648315975248787816341120219619678424
 . . . . . . . . [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 2025-06-22 00:10:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-20 00:10:38 +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 'biomag.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 23660109278206169510915733733635401734084970324547689349729425271398605045012504101213875081367711349412984916682834180117894108853700309636140710987027609421564144886178118627744914805897112030681023187303045762002986184272640834767385868018997465952979545377916994784931631939732281418308590958303919049489185262471962753753266826607543349533286721501749717737669439828321533222030978406319827173810408486730721992240154425418009259423300254863943480419542682832277188428718874732712091957422146938960925562124980353970770282750985119967994667246083761807847762475348671545278638481371973237644190219564426661917207
 . . . . . . . . . . . . . . . . . . . . [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)
							2742de234a3f0e0c15c89a08940aa776ea707c16
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.biomag.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'biomag.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 (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://r11.c.lencr.org/89.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000197952e9c770000040300473045022100fef3e0b748a84ddd37f93270b9f07ed9771ad60ee339982d1e4e1aee6355b28b02200e4f50ec99c50c620bc4a629549f2ab23dbd65441e8fb37a7fac6bbc6e8cffdc007700ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000197952e9c800000040300483046022100d5c349f4fa827aa70566c95c2135e59cbfd0ea3b7398f76700795f943c00bcb8022100d496c9b844e663b6c9f9c4eabfd548c73934b4b9202286167fea1ba36d548ff5
 . . . . [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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