DV SSL/TLS Certificate for massa.ch

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the massa.ch DV SSL/TLS Certificate

This certificate with serial number 05:ff:14:e9:d4:cf:35:4a:a0:ff:ec:aa:04:69:82:f3:2d:a4 for massa.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 massa.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:ff:14:e9:d4:cf:35:4a:a0:ff:ec:aa:04:69:82:f3:2d:a4
Serial Number (int): 522361231905011836889513187130226108476836
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: e1:c2:17:60:ba:64:10:81:e1:ed:a0:7c:1a:d5:bb:32:11:bb:13:d3
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): 54:5b:fe:af:49:4f:9f:14:68:5a:87:bf:d2:d6:54:26:7f:20:a0:1e
Fingerprint (SHA-256): bf:df:06:b8:15:b8:f6:de:56:cf:e6:2d:47:1c:9e:4b:5e:62:fd:66:ba:9a:79:15:c4:74:9f:3b:e7:7e:a4:a3

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/37.crl

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

Advanced Certificate Properties

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzYUxNTWYQ+tzmQXDuURg
YC8vRwpjCBjys/d6m3y2i/SlJG8FUQOCn9kv5qQ2IAWBhcITc++E3FRunJri8vRJ
BPt+BUkx/6QQHH5eTQrsj8l2PZ5mgscgtoaGA8q1rHlt/pArVvfVUaia7MeGbwjN
2SXUim38o+aXUimj9oNTCZYdkaoB3FEe1elLtvenPh+jh7NHik8YTyGnMCS9Oj4C
XbkYi5+F2DyLq61H+4ZIpTyY64RU2IFGVSqGjgDjohHYL40w/fwMy39BlbcJr/H9
imbjUWWSff3yysxk1vICYu1vnaPhXlaodUsiDh44nET12JOWpzDoLgWBt3IO1X9y
RQIDAQAB
-----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 522361231905011836889513187130226108476836
 . . . . . . . . [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 2025-05-30 00:12:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-28 00:12:25 +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 'massa.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 25944532048726502331982854959093563675589894393231377252689460095969165513527137448846826530517754905141669706601128692098571197692499856410175418968687253088997051790849775792243668935526211467031941599105417919796573302355134676673163122742552122502153285188102207944237839363108122370963637430334836157346514949941096605818654060091788645728630211633254738696648847578200754810574396769692667532240434372723589770369627710824854194363718114700976689120056106213438950245282670741433728076849395968312992483519068721688783989645881528248763620031996671011875537207154155524346804985777943294428579398723543616156229
 . . . . . . . . . . . . . . . . . . . . [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)
							e1c21760ba641081e1eda07c1ad5bb3211bb13d3
 . . . . . . . . . . . . . . . . [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 'massa.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.massa.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/37.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe0000001971ebdfc8c0000040300483046022100f117d58e8f8a8dd1f294fa311745bc1115ea019104531eace111af34f98bd783022100f8c6c004ee72bc00c5459b5ff16cb3d9426dee5f5eb6d52f3a4dd9303cb6e214007700ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db0000001971ebdfca20000040300483046022100a2dee7e179b4b128942198b7aaf1418446119987c87c56f9b884afdddeb2d9d0022100ecbc901a9c980271309b0828153b14bd5999fc5d1526e7c2fcfe2cfede89c5bb
 . . . . [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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