ducons.ch

Issued by R3

About this certificate

This digital certificate with serial number 03:1f:f6:88:fd:db:0c:4c:e3:88:53:b0:07:93:ce:21:11:9f was issued on by Let's Encrypt.

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=ducons.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1f:f6:88:fd:db:0c:4c:e3:88:53:b0:07:93:ce:21:11:9f
Serial Number (int): 272213312557970086435996761200261626663327
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3a:fd:94:84:df:a1:78:9e:e4:cb:f9:70:fd:fa:60:e9:09:d0:4a:c7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 92:b9:63:7e:38:c0:a2:5c:ba:d5:08:e4:6f:9e:7c:69:eb:32:e7:0e
Fingerprint (sha256): b0:d4:82:be:55:8d:78:e9:b9:18:f4:9e:21:25:cb:6a:2c:c4:12:c2:23:f7:ad:76:67:4c:f6:ba:fc:d4:4e:1e

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

Revocation information

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

Check the revocation status for certificate ducons.ch

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ducons.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

ducons.ch

Other certificates including the domain name ducons.ch

(limited to 100 certificates)
www.ducons.ch
www.ducons.ch
www.ducons.ch
www.ducons.ch
www.ducons.ch
www.ducons.ch
ducons.ch
ducons.ch
www.ducons.ch
www.ducons.ch
www.ducons.ch
www.ducons.ch
www.ducons.ch
ducons.ch
www.ducons.ch
www.ducons.ch
ducons.ch
www.ducons.ch
ducons.ch
www.ducons.ch
www.ducons.ch
www.ducons.ch
www.ducons.ch
www.ducons.ch

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE3jCCA8agAwIBAgISAx/2iP3bDEzjiFOwB5POIRGfMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEwMzAxMTMyMDlaFw0yNDAxMjgxMTMyMDhaMBQxEjAQBgNVBAMT
CWR1Y29ucy5jaDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKLrECxz
ltcPtLuZvVFqRyzTRR6qCjp4tt9VwnNiOdGSi1LmxKflk+1g/Wa6SRbLX6vW8xak
zbA4VoK84x4fg3LaGJkpHEEglf0tMPiZJFwPRi79TEVuCDnbbgHJD6HcE0x03+QF
CgRHqIQ0JmwkGIC++FY96LFDHL/3rf+wq3F7j7boFGYENx5ue9gaf7qReVg2QkXR
ez+51Kru0p4oZMYVkJ6R6vKNZga2m3fgxja8TetBkLoCcx8rqJcGDLhwWGbs2akh
vIvqOk3ia1xjgVfZZs7yIQzBjGxhtRFCbH5Ifv3pdf+YpA02TGXJI43RVPPf9eF3
c+da14qsh2GX1f8CAwEAAaOCAgowggIGMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE
FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU
Ov2UhN+heJ7ky/lw/fpg6QnQSscwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+v
nYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5s
ZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wFAYD
VR0RBA0wC4IJZHVjb25zLmNoMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBAwYKKwYB
BAHWeQIEAgSB9ASB8QDvAHYA2ra/az+1tiKfm8K7XGvocJFxbLtRhIU0vaQ9MEjX
+6sAAAGLgJHwXQAABAMARzBFAiBzRlb44ArVgOwUUS9Uibt2I/mByb2QQFijRZFw
qRLP6wIhANXBWDEbbCYOOoko8dSt9aL9BaIM/k4YDUhqsxO7xaX7AHUA7s3QZNXb
Gs7FXLedtM0TojKHRny87N7DUUhZRnEftZsAAAGLgJHwQgAABAMARjBEAiA+jwpz
xdwJBZkxcmUeTNfXes9OS5q1MelWqjREJ0TmcQIgK3XQSyc16/6WvFbgFu5hkHOx
u1HY2MIetPZK//u0Q5IwDQYJKoZIhvcNAQELBQADggEBADiT/BMQcf5lruI/CKeW
9vqjh3eFxeBcchA83SkgwaZDUCve4jvoIRTdEOcrr8Q+t96L5HnbTIQzq4VoCuN6
6Nqv63Bw2YsNJFpVa7FF+wRwgFgSU7uXDconQpRyD8IMWuQmjWFfiOhO9TnAFjwN
jdzV0PxkGSyYh69lCvyucmXagW/yu/LCTANvVImGdnMbCd97dhBVOf4fREoqWf03
7kJmC+0NOwkc2jKgrwVwj8WRjRTJuaaTsXBHk90dxMkEbz1IjP37xxOdZAD8bIM7
JU72qMgHNAE2xdiqjuLsQef5MpDyu7xrlthh3HlQHOVRzKTnUj5LYiNMxef0k7rc
jTY=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAousQLHOW1w+0u5m9UWpH
LNNFHqoKOni231XCc2I50ZKLUubEp+WT7WD9ZrpJFstfq9bzFqTNsDhWgrzjHh+D
ctoYmSkcQSCV/S0w+JkkXA9GLv1MRW4IOdtuAckPodwTTHTf5AUKBEeohDQmbCQY
gL74Vj3osUMcv/et/7CrcXuPtugUZgQ3Hm572Bp/upF5WDZCRdF7P7nUqu7Snihk
xhWQnpHq8o1mBrabd+DGNrxN60GQugJzHyuolwYMuHBYZuzZqSG8i+o6TeJrXGOB
V9lmzvIhDMGMbGG1EUJsfkh+/el1/5ikDTZMZckjjdFU89/14Xdz51rXiqyHYZfV
/wIDAQAB
-----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 272213312557970086435996761200261626663327
 . . . . . . . . [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 2023-10-30 11:32:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-28 11:32:08 +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 'ducons.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 20566519377882527247592349062903867358315773432498605935028892258386431165758303342116640881076048728277707061633910951801747544584558035295282753378009942216481136563190175823747703917988143358722914988817348948584888792723323291883902426876045650606714800501907296484979172393134965043731257272676800364051250462290678947108316708028058033601792243738578472888368632109375372383808157086700266773019689615772602164753184557664970025576085897256961312607169190460505804538938540122533827492396365400023292921514246228270441202845613063655381679416651554403540880453264507276938706305096926011552162956654041831560703
 . . . . . . . . . . . . . . . . . . . . [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)
							3afd9484dfa1789ee4cbf970fdfa60e909d04ac7
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ducons.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b8091f05d00000403004730450220734656f8e00ad580ec14512f5489bb7623f981c9bd904058a3459170a912cfeb022100d5c158311b6c260e3a8928f1d4adf5a2fd05a20cfe4e180d486ab313bbc5a5fb007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b8091f042000004030046304402203e8f0a73c5dc0905993172651e4cd7d77acf4e4b9ab531e956aa34442744e67102202b75d04b2735ebfe96bc56e016ee619073b1bb51d8d8c21eb4f64afffbb44392
 . . . . [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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