DV SSL/TLS Certificate for gemtof.ch

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the gemtof.ch DV SSL/TLS Certificate

This certificate with serial number 06:8f:b6:c4:c7:dc:30:b0:5c:2b:14:32:cf:c2:98:13:69:3e for gemtof.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 gemtof.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): 06:8f:b6:c4:c7:dc:30:b0:5c:2b:14:32:cf:c2:98:13:69:3e
Serial Number (int): 571577035299317583036578277987547736140094
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 3f:0f:a0:a6:3e:c1:32:ec:42:9a:3c:63:fd:a0:a8:5d:69:09:80:e6
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): 23:0d:db:15:e6:5f:75:0c:86:89:c1:7c:ea:1f:ac:f3:b6:a5:31:4a
Fingerprint (SHA-256): 57:59:b6:c8:92:5f:94:a3:f8:6d:0b:c0:d1:a9:b1:f5:48:a2:9b:84:d4:ad:28:a5:6f:18:a1:db:0d:50:a2:1d

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/63.crl

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

Advanced Certificate Properties

Technical details of the X.509 certificate for gemtof.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 gemtof.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApB85lFAWcqOD9Z9b0e+6
b76P9AhdzqvgM7kdbXcECmHyLVlvjAl3YcSA7IR3m3xmeCYf3+U77jtsdsBI+Uxk
Wl9J7teLM48qvzXAF/M3kSdCIJrIxeHLcWYBTSy/uXJzfZ7C8TwT2FXT8wNe690/
uJ4VWKcIkYQaEms4sQq3jo9Fo8xMPMSzyp7Yal+BCUDVBFa4CtWUwMX719xJK2vp
i39Xy3LpXaylPMEDxWN7kSzc6vEHwzLoXGQA/p2QY2kc3lyd2ZlCugwKfZdNZtXB
2VuT2TmeSWG5/6A+51QRSJW/Oi7ls9Xd55Djg4fNARuGB/57n0R9o9QQ33gvyFSS
qwIDAQAB
-----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 571577035299317583036578277987547736140094
 . . . . . . . . [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 2025-06-30 16:11:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-28 16:11:35 +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 'gemtof.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 20718479596028190536405798913962805454126365272075481959521088505986703819498940463491352114351562742568758999957630885000750216533079387297189636892805465996200771447885593757690120417850146116438038752517011633616516525914082752183380884427040493161267610554074504278154439825802036904092806417101830701466665315751366479164377122723112631955285885334599980876229226477649849677456285554934946746989020911558543103682038908400671607539484129883232128879909220834444800958646630397164183978956780416887567573062020254997819352860349651893982896621798418445702672756677195213264684880032970648267166490799602931110571
 . . . . . . . . . . . . . . . . . . . . [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)
							3f0fa0a63ec132ec429a3c63fda0a85d690980e6
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gemtof.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gemtof.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://r10.c.lencr.org/63.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)
							00ef007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000197c1d1442b000004030046304402203568a3130c6c8ac05799c744b08374772cfa845493ecc46f8a24d0f44fdaf47102203d4ddd28eb7a7d4768610f198cc744729f73d4969376045f349369b31ee7bc5800760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197c1d14422000004030047304502202731bbf021d22384fe06ced56f419bd1908fb8f66b56d076b5efa4f5da2062ce022100bd61da134e110b2af72de54bd1b7ef7057291e04bc0217869e0871250365153e
 . . . . [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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