volta.metanet.ch

Issued by R3

About this certificate

This digital certificate with serial number 03:12:ab:f3:43:c4:06:69:f2:eb:9d:89:51:83:84:31:48:c7 was issued on by Let's Encrypt.

With 3 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=volta.metanet.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:12:ab:f3:43:c4:06:69:f2:eb:9d:89:51:83:84:31:48:c7
Serial Number (int): 267690501489725625151479466944298847652039
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d8:a7:4c:cb:58:b3:0b:19:53:cf:72:94:8e:cd:45:cd:48:03:16:9b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2c:08:c9:6c:cd:12:60:7a:47:e1:34:79:59:a0:d5:3f:f2:96:51:43
Fingerprint (sha256): 02:40:37:9b:9b:cc:3c:5e:e6:0a:50:1d:25:79:aa:e9:9d:8f:3b:7c:cb:e7:08:5d:00:0f:15:79:91:4b:06:37

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

Revocation information

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

Check the revocation status for certificate volta.metanet.ch

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for volta.metanet.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

volta.ch-meta.net
volta.metanet.ch
webmail.volta.metanet.ch

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmlNotmzIt/RoYdXVgtWf
r4l6AmXrxle8jTtF0osFeE97Sc8zZq85DTnCrLeIWfqSB04E01c8ZNfFZyyGtvwK
ruNbUScvHRk4oiXj/KcDB1SImcRn4Pg0eTvwBCL9SVCpOeb7tkQELAZ4cRF4jwXa
RT2obZlRNIjjEgnMyCnDz/O1PWXBNDlc1ETpvAF1/MWseCWDdwNB4dkG2JAZ/PpR
DQMSsCtA2LIYFfi1n4ur6nRB0ZVFUqtfeYEZuE2hfGadEJtgVTzDYxPXBF0j6Opb
hPcWa0Z+14O1A6249yH4m83vHEwh93QpNXLnL2omA/2BVzxn4Lf3u0DJpZe38MgN
YQIDAQAB
-----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 267690501489725625151479466944298847652039
 . . . . . . . . [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 2024-01-08 01:05:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-07 01:05:05 +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 'volta.metanet.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 19481829492188872880055162565852469391216420999574961684038316438263584188419788917251402575396881106915633535850628378596438446606740981853887797556067991040528818015426243186264604308922087778967458539409507294822292072458705051290249920299138745414132457916350263674111577639949711367230935486052685441145962592581680804499172563437711047768553690818145605132397967183428955783668978893407234551300329076592430240362821064832262566060109645069211089339011601242836953280557018111755674592707970864760056598314458274640251792125998995419878943521903395920827930523523768198567790427771821040043649645921876465683809
 . . . . . . . . . . . . . . . . . . . . [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)
							d8a74ccb58b30b1953cf72948ecd45cd4803169b
 . . . . . . . . . . . . . . . . [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 (65 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'volta.ch-meta.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'volta.metanet.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.volta.metanet.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ce6d10231000004030047304502203c6a9c2424db1376f0ad8636c2e12f1e323c4ef041f302dc0299042e1da00de902210098c6cd9c277d2f3a18ebff2de5a6c167e59b9ad43dc134a69428ff6ae0cea82900760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ce6d102bc00000403004730450220751443a5f2e3610a6a157b18f816b0a92c30fc4a10ea1083163cbfc28aa25c80022100cc5d02c044a11edff42a8bdd0df1e60ed259258b1adbd4f765b3135989491f77
 . . . . [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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