www.tauchschule-poseidon.ch

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e1:3a:fa:44:01:4e:32:25:85:bf:cb:d5:df:a9:fc:15:20 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): 03:e1:3a:fa:44:01:4e:32:25:85:bf:cb:d5:df:a9:fc:15:20
Serial Number (int): 337978785029769334711746234629168664679712
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3e:d9:cb:11:6c:df:c6:fd:c7:08:94:25:bf:b0:7b:61:83:07:8c:b6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 66:12:ab:cc:95:15:cc:5c:8b:fc:39:36:65:49:20:9a:ad:61:97:b9
Fingerprint (sha256): 26:4c:57:31:c0:fb:0a:7c:2e:95:0f:52:0b:4e:b1:ae:bb:b0:a3:41:12:38:3d:0e:17:b9:f5:e0:df:3d:fc:1a

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvbUoJ0vljbELSL3sJd0L
sGCMatPL66j26PFGeTXSH6oR2g5I1BR/cXtGjLYYCqu7ILXV/e2WWPDfwA9wt81T
h2qZZjjG0N42NhjN5awA57ftoOANsbFM2OdKdJVvYWUL4rLgF0oHSpE24eJwNXjI
dsuDXPbUm7o7kn1yf7w3tuCUYL4wiQahoxcA/0bcdSex1QFbCiInC/7x6JlagEMZ
4ugj4a86SLIAYoT27VyYi6McDOsFlMsH8WZFaQQ6XWaCMM7ax3BKQ1Xw/wH2koIs
u9nSPg2ZA8NuTJiiztBtkBTmt+sa1q6xwyUQnVwGzQgmxdPLCsKKNzXsnh6/2G+E
fwIDAQAB
-----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 337978785029769334711746234629168664679712
 . . . . . . . . [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 2019-03-11 06:09:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-09 06:09:29 +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 23948371410571746961720323889194789188028804579968984188735680355583103594240448802326200101248316465590906308664515583487689254197282243367287230891975029990742573559162826176821551090879195411894567193937302179202068707670307424162080008692592902115715546875090870263132442717008673878922487712047480771772237350113798050098487499781599690375332739205033310985231410081317766411422562865286564279370882625060259312361844973877868547092777354410398757969358113606187829121414343936423899756712779404348790351759311062793223529513248809376745046893136535712077064153399020407234416843326565903462687416035062716531839
 . . . . . . . . . . . . . . . . . . . . [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)
							3ed9cb116cdfc6fdc7089425bfb07b6183078cb6
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001696b95bdb80000040300473045022100c630ffdf0f2b50f0ba8a63e6ded724bbf437d0b76d00777a5a8b7f1ce3e78361022048599ac88989daf8fd5d304ec3b724b219178b9720fb09f6e3c949397511d42400770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001696b95bffd0000040300483046022100f1f9fd13ceb6e9d1e494168af461f3e4b316f575ba88d9c1361c1bf91139767c022100cb3ddcfda60e15a7f499c4db4c8e0503e714d9006042fa946618ebc575709dd2
 . . . . [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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