DV SSL/TLS Certificate for biochemic.it

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the biochemic.it DV SSL/TLS Certificate

This certificate with serial number 06:ca:1a:e1:d6:4d:9e:ba:43:0d:6b:ac:86:c0:69:8c:8e:59 for biochemic.it 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 biochemic.it 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): 06:ca:1a:e1:d6:4d:9e:ba:43:0d:6b:ac:86:c0:69:8c:8e:59
Serial Number (int): 591446486249859975151713152372597653802585
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: cb:2f:25:ae:92:e9:6d:20:0f:33:80:6f:04:f6:b1:e7:af:bd:e9:79
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): 1b:91:8c:ec:e8:29:ca:78:b8:17:7f:75:b6:a8:4b:16:68:e0:89:c4
Fingerprint (SHA-256): f5:44:3e:d3:6e:b5:ba:35:51:8e:2a:96:70:77:38:8a:d5:02:57:16:a9:00:f9:48:42:fd:85:ec:2d:74:a4:8d

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/90.crl

Check the revocation status for certificate biochemic.it
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for biochemic.it

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 biochemic.it in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApbkbE/lB1KZqVvJqXm2P
BrVYJjy14GX57jNk+j/xwF6PHp5ElO1jaehKCv1CwpEsaHpThEihxqTrXJZmapo6
SMFIo0E/UE8OxmILx95c+/KW58x0u+MHM4Twid5Ywu0lWfB0WcIFDpM8+f+gYrWJ
ul4K4qav0hr8SrP5gYbkr/WeIMLDG4iJYqXCJFPf/PHJvs+/LwNA1yj9t70urJaf
maspIci9Ncv9CbVAMrpdOl7QAr9bhKcOxqZUC27xH7OtONDnot4Cr7U6TSvQ2UXQ
LBi3JWJek76PBOXmRs4okAoPegbQC2k2VDq1DliUep8os6Ke64KJg+T2D5IKXHwr
wwIDAQAB
-----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 591446486249859975151713152372597653802585
 . . . . . . . . [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 2025-06-15 04:25:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-13 04:25:55 +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 'biochemic.it'
 . . . . . . . . [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 20920599378341411951706452393028077008098066368945116413340391977986618124719350926528562553392003873600977983272908883098748105287626525373033229618828757835592510476187498401790753522774286643260870685145162777752698059084139824030240401034263771618515002797164807285761944204790989931306256787420549352873297783136882585664463697094055224182118524039283970960395319031394389736821326626153822805852479246324915039632221971165805233694942949220566012592068085826693427559755401465787010530223190862614394323487520800937448596652316441151378181361036360367364550056472975057310364254155377865737289619336711024421827
 . . . . . . . . . . . . . . . . . . . . [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)
							cb2f25ae92e96d200f33806f04f6b1e7afbde979
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.biochemic.it'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'biochemic.it'
 . . . . . . . . . . . . . . . . [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/90.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)
							00ef007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000197720bd0940000040300473045022003208f068fca5c6c528cc78ad404ca0a978f1701024d11f87114a7b8c8460c1c022100fe598fba2ac0a8e0de4efcb23a81e9e24ef00d2f1aa5a18c4f82af1e453cd1600075000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197720bd084000004030046304402204d2e90aa7dbac0dfd9741781cc101aef07265ade434153c1e3d538a0f7b5825702202b4eb493e15ea1d4867c3cb0e4274ad65333f9fbadd3ebbae6a66a06cf0f48ed
 . . . . [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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