elm.ch

Issued by R3

About this certificate

This digital certificate with serial number 03:37:c9:3b:40:c0:85:a3:3e:e9:2b:dd:6d:e1:f0:ed:92:13 was issued on by Let's Encrypt.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=elm.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:37:c9:3b:40:c0:85:a3:3e:e9:2b:dd:6d:e1:f0:ed:92:13
Serial Number (int): 280319870461927157770389520574448394932755
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 26:71:4f:6b:b3:ca:64:76:58:dc:ce:19:8a:29:f7:2c:2a:39:e0:8e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7f:19:b4:2d:c0:cd:1a:39:69:de:18:87:f7:e0:b6:4b:6d:03:47:7a
Fingerprint (sha256): 11:35:c4:a4:98:f2:7b:19:ec:07:1b:71:2e:a8:37:74:34:6d:4e:21:5b:b3:ea:33:e4:30:d4:39:93:03:ed:ff

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate elm.ch

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for elm.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

elm.ch
sernftal.ch
www.elm.ch
www.sernftal.ch

Other certificates including the domain name elm.ch

(limited to 100 certificates)
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch
elm.ch

Certificate

The complete raw certificate details for elm.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnIQevSHaCsub4LHnYSY/
EEDJN7KYaTOC53KiVnC8mcHncB74++1PXyDsYqi0mHWT6X/kc7CxNo5oD/i91KfJ
jGakDlRnNZupt8IYZvJWeeuH1mkcKcltndkFSQ+RRuF8TQN/YASeVjsqx7xczIMS
ikCJ8ks1pvbQnLiCwpTKAp+cqdGrT6q02/XU/XpQOqpAtiEvZGFSewWVAeNN5pdp
t4PBjIeypY1woF0OsfE/obaCHUhSFJ2tIvZ/ve8FPzdJ7LMQ9xl33guZ6euSYTip
F+ZKxx7leWHguuuiGSiaSOoPyQ5S0p5fNGj4M1BuOHIobksezR3NNtzXhsaJJ/lJ
BwIDAQAB
-----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 280319870461927157770389520574448394932755
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [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 (countryName)
 . . . . . . . . . . . . . . . . . . . . [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 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-10 00:11:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-08 00:11:39 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'elm.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 (rsaEncryption)
 . . . . . . . . . . . . . . . . [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 19758326411117838831964784757560718761451131201015327527598383623969407061060347627662291718904035179329044988633576937019270562074263671796583925237991817714501439891388931833168246108748800035175130971694447331016396027531025946007940629521954094390991280775467698956840288367948404360319846689268915834403022303690726813141247884531944706198416800402684992579009429436375927090645648875340673785740405401286033276169481305686853722637686507023254771167383414328583883246013311690103471732329512402582325160984646932066313834807258602967231730376981706517373829795309392314355930064375060837760633996233855557257479
 . . . . . . . . . . . . . . . . . . . . [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 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [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 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [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 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							26714f6bb3ca647658dcce198a29f72c2a39e08e
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'elm.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sernftal.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.elm.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sernftal.ch'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bb6c8e23500000403004730450220493a5a52aa114a8ccc428879a6eb1bb06dc6297a4c21c7f6c89f344f17523f96022100efa535296dd8db6f5eebf3ba808964ba241fc2c8c20af511e7bb4bc84a70cedf00770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018bb6c8e29b0000040300483046022100f688412397692f09e0bc9de71ae9b1feabe9dfe055039baf3e235cec235a991a022100abe7e8a2ebb5dc4749765fc5fa5a610c5f5430127d3713dcb553902e6c24b3fc
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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