bt-metallbau.ch

Issued by R3

About this certificate

This digital certificate with serial number 03:70:f3:d3:93:0b:c2:06:bc:0e:65:80:0e:18:b6:b6:aa:81 was issued on by Let's Encrypt.

With 2 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=bt-metallbau.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:70:f3:d3:93:0b:c2:06:bc:0e:65:80:0e:18:b6:b6:aa:81
Serial Number (int): 299772583850484503011498085313031584524929
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7b:80:66:b8:a3:89:88:93:f4:35:a3:68:d2:32:1d:1b:47:cf:21:4f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): cc:da:ba:14:5a:eb:b2:2d:74:6e:cd:14:19:9d:7b:a6:57:ba:e3:ba
Fingerprint (sha256): 43:62:ce:a2:66:cb:af:14:e6:be:34:65:34:9e:5f:42:8b:f9:bb:58:ee:c6:2b:60:a6:45:9d:62:cf:d7:b9:ad

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

Revocation information

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

Check the revocation status for certificate bt-metallbau.ch

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bt-metallbau.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

bt-metallbau.ch
www.bt-metallbau.ch

Other certificates including the domain name bt-metallbau.ch

(limited to 100 certificates)
addon-kundenbtmetallbau.smeyke.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch
addon-kundenbtmetallbau.smeyke.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch
bt-metallbau.ch

Certificate

The complete raw certificate details for bt-metallbau.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyQzk50/Gy9cLdGRuGd1o
qzKrElMldb0qQMEdDFOf0GtbLgXweojnbBvL8uw/MM/PcOjPlX6eM1gF2xsqaLq5
WefKO4rxEw+MpYZFHAJ/sgZExaxYGhJPk20VTq5JWfzV4awo57J/QoG6v938AUqE
IKyIhcFUt9KOeyDI6L5wDz6dNuA4hf/ddnlbEPdNI8fO5CcuWHEktJ1yvUYYaFLG
XuuTvcgkCHAADuvGM6IEhORJOfWPrFffIR3W9uDaYapR+N/14vC+eKuXGDKlhidI
La+uG3363DM0nDZOcV7xVj5j+zhJBa1oxK5nq69ck2I3rpA1BEpZ2owsbt6jWk6N
9wIDAQAB
-----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 299772583850484503011498085313031584524929
 . . . . . . . . [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 2023-12-04 01:04:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-03 01:04:23 +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 'bt-metallbau.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 25380257642757900267296169419503768696105410904092807806879581495975495749269458365936028609835025359421110723128257430869324471408527288406209346722133904531916269719678935360944092088395717133093765806455770422369776912145445266444660132384162621354792899968833149289654316948837329931619049873963013503744227855830937778938406269927804216648247897760518843102220090814887380674203501778392836062716287745444230360110628612343372201047326828480684219798113035517501849958620597099905298840086234869354069596544809554017736374713056763682046069684992552664950365887419119622206898877001019812257140433262776723344887
 . . . . . . . . . . . . . . . . . . . . [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)
							7b8066b8a3898893f435a368d2321d1b47cf214f
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bt-metallbau.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bt-metallbau.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)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c3291cb2a0000040300483046022100918f3888df83c716d9f1ea985e2f0165b7519b535bf568da4d4be128b5feba0e022100d31f9503f0708a2b152109f3ff8c29645b2469146a839f17a5d0889fa9c1bc240075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c3291cb340000040300463044022050cd9d4739aa750dfd7017af7a13644f5f90873f0854badc7d64f140c1d12c8c022027f8dad0af435c09848138f2dbe83fa0d72d56e163a8476abf6e95157c3b5508
 . . . . [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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