wlanowski.de

Issued by R3

About this certificate

This digital certificate with serial number 03:79:d0:2d:9a:0f:7d:f5:a0:13:5b:71:21:c3:c3:17:14:f7 was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=wlanowski.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:79:d0:2d:9a:0f:7d:f5:a0:13:5b:71:21:c3:c3:17:14:f7
Serial Number (int): 302787740393914674556807700298631535334647
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d3:25:96:d0:11:de:d4:7e:49:d3:ee:f6:ad:37:80:bb:e6:34:a7:9d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 81:03:56:f3:c7:cd:b6:a9:74:23:26:37:ad:7b:c5:c9:7c:09:f3:d4
Fingerprint (sha256): 83:e1:0d:dd:81:d8:56:3a:c5:bc:1b:c4:2f:e9:60:2c:33:b0:d1:59:e4:53:81:18:d2:dd:90:08:a8:3f:09:6b

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

Revocation information

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

Check the revocation status for certificate wlanowski.de

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for wlanowski.de

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

webmail.wlanowski.de
wlanowski.de
www.wlanowski.de

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www.wlanowski.de
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wlanowski.de
cloud.wlanowski.de
stats.wlanowski.de
www.wlanowski.de
www.wlanowski.de
wlanowski.de
wlanowski.de
maps.wlanowski.de
www.piwik.wlanowski.de
wlanowski.de
stats.wlanowski.de
wlanowski.de
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supremeserver.lima-city.de
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www.wlanowski.de
cloud.wlanowski.de
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wlanowski.de

Certificate

The complete raw certificate details for wlanowski.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0Nkz6QnEfC/MUtMpF8LM
1nF1XyZ9ZPGV9Z8cFDfa+28+DmiST8hsVhsAWtrEzzI1/05WliT6MVh5qF9ZcYPX
d1e6zQgSPFBTDeE8rkKblhbyxflT5At+cDjcjS1MuDBVpYcIPqmSn9yrGD3gaDWH
QNK0aFr3qImuqRkwhMdOoPcDI99VZ+ItUIDiFETSqb7ruk5ecVtE0IMBmoxT3S4s
30FBSJU5vZDMAJZD7f2LoU5AJPTbMoMB6CA8t6Vv8TV86BZzgaNBUzweN3PSY9yo
wInclejvQKoWODN1J4jf7wDcccE/eZzynPZ/r0lzvemYALUd+eHbKm6Ot4tmEVtB
CwIDAQAB
-----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 302787740393914674556807700298631535334647
 . . . . . . . . [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 2024-06-06 04:36:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-09-04 04:36:16 +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 'wlanowski.de'
 . . . . . . . . [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 26364674113030901367371414097168324509612819565368894078843162191352606179072666577293798285143995954217760252547427607717283663619188663252527670218504952130931486657260875082366342304876385298788495028019547417807537796232889054715099521561170269794595867049745613631270737869769267832223757606568748322158671560719900999436637987829428369299784890768370450339057160501073268576383778884016707926473641146557149263501080027936152108489926673264749567637957751947053559230411414797675534501259031798557050928780276157887595143027998809505435252468949687256858045892778899487106884586481572587839376503603602004853003
 . . . . . . . . . . . . . . . . . . . . [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)
							d32596d011ded47e49d3eef6ad3780bbe634a79d
 . . . . . . . . . . . . . . . . [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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.wlanowski.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wlanowski.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.wlanowski.de'
 . . . . . . . . . . . . . . . . [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)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018fec0c436700000403004830460221008f5cc4809c200b61c22895ff2e8a241ef1910f07f1ade941125042e7261575120221008d721cd888a9d0ef0e016b25b08f754996ef2133ed1f4db86000381787393a790075003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018fec0c436c000004030046304402202a13bd42e0fef53a9624f0ea08e163c3c08a02cf7a87d41de2d8d1ec20a037fa022022cb9d53d5b1973fcdb4ebe692cc78b704f8828f39b9c569c0d1e309c0dd5831
 . . . . [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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