www.tauchschule-poseidon.ch

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:d8:06:b6:e4:46:f9:e1:3e:66:88:ba:43:d9:df:a5:28:b0 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.tauchschule-poseidon.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d8:06:b6:e4:46:f9:e1:3e:66:88:ba:43:d9:df:a5:28:b0
Serial Number (int): 421959059977979352607462759208458574440624
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 79:02:8e:ba:4c:e8:ba:8b:13:d3:cf:fd:c9:fa:32:94:69:24:f4:a9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6b:5e:8e:48:2a:84:f4:43:d4:ef:3e:36:c9:ac:fb:4a:cd:22:f5:e1
Fingerprint (sha256): 00:0c:8f:45:de:62:37:f1:a1:fa:8f:20:a1:f2:87:a7:5a:65:22:c0:b1:12:fb:f7:50:1f:43:91:c8:20:b0:42

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.tauchschule-poseidon.ch

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.tauchschule-poseidon.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

www.tauchschule-poseidon.ch

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Certificate

The complete raw certificate details for www.tauchschule-poseidon.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoGZrj6Q0liIH4pK1M0zX
u64FnGRYNUyMBPMnOrQqxsvthwYq341QOzb3+4V3du6wvaMhNXM7GOqPQdCaJjkW
Oja+q1DiIhkIHb8fCgW/Zl2F54oCE9P3a0lpx8eBQZeO3ygUMC7SiF1TtJ6cL+eN
DZDkI14/bMhv4pQWdqrXu5kY2kMB9cEPWT42G1e0+ANHMnNulsMZ1m6jVNC3TPWg
FObBPXarFYs4ReI8ua6+XYyXoPsmzn1OcO4B/JWwXen3fXzMePRmbREIWQ4InTnh
ICUzbLrTFjhZr632+p+mE4/tUqlQ5rNn0CvOhhKvh9N/YVQb+JkK+/DvID5v87B3
nQIDAQAB
-----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 421959059977979352607462759208458574440624
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-12 05:14:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-10 05:14:59 +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 'www.tauchschule-poseidon.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 20248634058090694535288280576938282190210925342305484437979514513614080724817987488094737876077442609444254932281756185362812813482922004587547986170008188548773758971718944060653673072805441019982087291653877586409426928297853532817906106017734899703205946629682514791188259077768030050884865851410387355967701389376865429021026971838888357026606235274423850254341163810825448418355492645337686603629253501721355663792075842126757579340120520252390453865941647857401579975019363616186388551667206216826566872628163425965830720567552875910711511196924406284037376579637768929146522346541049353749287403631381180348317
 . . . . . . . . . . . . . . . . . . . . [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)
							79028eba4ce8ba8b13d3cffdc9fa32946924f4a9
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tauchschule-poseidon.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016aaaae239c000004030046304402204c7fff53ccad7c4d86fa0544a5bed5a9563aa8a03cb8e3260e6f882ef1f0eef40220295026028b1410479bf3936d27fc2e219b94c23b864fbc00a7801e2436847a84007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016aaaae219500000403004630440220273d55eea09d3b767156fec0c024c88262fcff3339683b3069ec92e7828b1744022070aab56c20fd5e41b4e8c6481fb51af7c50453f51ab638392f04b2e2f06fe4ce
 . . . . [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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