DV SSL/TLS Certificate for www.rp-synergy.ch

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the www.rp-synergy.ch DV SSL/TLS Certificate

This certificate with serial number 06:7f:e6:7c:00:57:f6:f4:2c:d1:bf:b9:bd:5d:7c:b2:8f:81 for www.rp-synergy.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 www.rp-synergy.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): 06:7f:e6:7c:00:57:f6:f4:2c:d1:bf:b9:bd:5d:7c:b2:8f:81
Serial Number (int): 566195942480330932349696129830713929404289
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 9c:bc:0c:80:99:bd:42:76:8b:f0:5b:69:7d:ee:72:63:72:3a:b5:cb
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): df:de:cc:d5:fc:b1:79:ce:0f:53:07:89:43:fa:2c:db:2b:2a:58:3a
Fingerprint (SHA-256): c8:b8:1d:a1:a9:72:31:46:4b:c2:62:b6:67:74:d4:29:b3:80:6f:7a:d2:fa:48:ad:8c:ba:64:73:49:db:ed:16

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/2.crl

Check the revocation status for certificate www.rp-synergy.ch
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.rp-synergy.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 www.rp-synergy.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAm4fQhH4eh7kYlc2+oZUE
N2PshHZustTgxcaRpJ9hnI5uQewiFrvDEiTFINz7FmA+BrWRqzo344Bsg+F8OYN3
tzycK2N4rmGjdkBvLnz0KvvK1us0LBkx9rXO/wq3QKtBldY+cHgy6r3vhqho+wXf
sV6IRJlYSdy+wU40TXpmvcu+366lHSecF5QE/krjsO9pDOOveMhEFwJ20hkKRnwt
pJSX4y6MR3sStIDwMHPbpJtKHapdrYvu5Pd+yG/jyG30ngnMLJ/JewXEB1vzjVpS
oTmJf9TK/zUlT+bGPoNGVhkvytimwLOlx2oubaoYhMbUV+CvRE9lFRrgVS3tC4D7
2wIDAQAB
-----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 566195942480330932349696129830713929404289
 . . . . . . . . [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 2025-05-24 02:18:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-22 02:18:19 +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 'www.rp-synergy.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 19633909906482591505720506425971801615217658972849077905557497328962397439914695923704601947361985511087624985894697762337295052769713830832218894135564721891856518845612079843500200664875986413483065651411545899409021969159547613721991111708628323839053201390051506563946538267740457278239805242188103567437169770709391297354104012878505767192865473387448996847028275880244870714955999209687196681256976591505843288788706234504307760258705490747003352815292705640780361602688143519096449735652198902946993680284278548110929512349489066662471479728145455435835216804253750217725307738205332431673417923157603158916059
 . . . . . . . . . . . . . . . . . . . . [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)
							9cbc0c8099bd42768bf05b697dee7263723ab5cb
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rp-synergy.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rp-synergy.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 (38 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/2.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe000000197004b177700000403004630440220460cc26c1949c262e0a0dfb224095e6cb48b8d56b59678dba391570203b331c202204537adf5e1d27904df41700f451296ea2c8309b0ceccb88a045e12fe9de250c2007700dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197004b1f900000040300483046022100de4a0c7c41a982f8bfe8a25415a0363be5c5a8e006319eab07227eca6b48f5eb022100f0894c5ac743c6444b5287aeebad8e109584d7d5d0b30137d580f6c7874a6e27
 . . . . [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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