DV SSL/TLS Certificate for tools.ivanvinas.ch

Certificate is witin its validity period

Issued by Let's Encrypt (R12)

About the tools.ivanvinas.ch DV SSL/TLS Certificate

This certificate with serial number 06:f0:e5:50:7f:86:f1:5f:28:9b:df:d7:0b:0c:5b:87:1f:99 for tools.ivanvinas.ch 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 tools.ivanvinas.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): 06:f0:e5:50:7f:86:f1:5f:28:9b:df:d7:0b:0c:5b:87:1f:99
Serial Number (int): 604646294832927433999821963704449894915993
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 96:92:3e:e9:62:17:47:cf:a3:be:cc:03:ff:72:60:9b:f8:74:f0:f9
Authority Key Identifier: 00:b5:29:f2:2d:8e:6f:31:e8:9b:4c:ad:78:3e:fa:dc:e9:0c:d1:d2

Fingerprint (SHA-1): 2d:27:20:bb:9d:c4:e8:4b:43:db:c6:e5:6d:52:25:34:ad:7d:1f:c1
Fingerprint (SHA-256): 71:be:02:ab:80:9b:b2:bd:a8:ec:19:74:17:a5:40:a5:39:bd:5e:fc:84:ad:74:57:5d:86:ec:0f:47:98:82:6e

Issuing Certificate URL: http://r12.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r12.c.lencr.org/26.crl

Check the revocation status for certificate tools.ivanvinas.ch
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for tools.ivanvinas.ch

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

tools.ivanvinas.ch

X.509 Certificate

The complete raw X.509 certificate details for tools.ivanvinas.ch 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 604646294832927433999821963704449894915993
 . . . . . . . . [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 'R12'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-22 05:17:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-11-20 05:17:30 +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 'tools.ivanvinas.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 633918663820724519073974538794388619202786218021068551777124381553911403905307636419237491267669121384867435155187369705174339830949102620989807452950568401659860078917458589697398315471694487805953641168757072987701960908795321663075680891291483279153423555342810814076251360752458478089751244288125475340893390613746500036323029390985160879791056727431509038268145888728285285333116407800853482977957554307759345788005449522824821324702222368620319398542692615101283771642490674337277554104984988027963965872211231104005808652519905327483234154489124951481838943836943030406618227438690274938338042164590365114556569176236844890901506859446927764245212802759464778013382306223380261035369238586365455536739285056415996857903322620721912905288096591483505372280138231319877498417987745322272625093179843739503896387653508933191781057164912687528210009877137951383536296497863244474478847205399490449210142187566976420599847200744716029964038450079552468124409945466075822427926210298541159072722114535440700551237147719766341256171964983239397688611926779936193537346188197596683717229179853831898348733717029370932397720337985214359739360357736973767226546853382541281671809296940044656047857085851131023054921672646644628274418349
 . . . . . . . . . . . . . . . . . . . . [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)
							96923ee9621747cfa3becc03ff72609bf874f0f9
 . . . . . . . . . . . . . . . . [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 00b529f22d8e6f31e89b4cad783efadce90cd1d2
 . . . . . . . . . . . . . . . . [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://r12.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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tools.ivanvinas.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://r12.c.lencr.org/26.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)
							00ef0075001a04ff49d0541d40aff6a0c3bff1d8c4672f4eecee234068986b17402edc897d00000198d06b7ba9000004030046304402204105d8b3a299fa78e35f3811cb411e7ccf7e3a3e82d3cff7a555ca446b91f1d302200a044124d936cb9d0d5fce5f7811b6350734c24d74edd1e46499924d34f65fcc007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000198d06b83590000040300473045022100b93da656e929fef252e9ecd6b8167b02cf0ad03699b9a73f5590a7afa81d450702202220d484ed2cae321eb0ae52da72919c9446a9d343521f74c15e07c37ae68fe2
 . . . . [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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