sobczyk.eu

Issued by R3

About this certificate

This digital certificate with serial number 04:bc:c6:1e:2b:fc:59:59:c6:e0:2c:2e:4f:a2:f0:dc:e0:77 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=sobczyk.eu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:bc:c6:1e:2b:fc:59:59:c6:e0:2c:2e:4f:a2:f0:dc:e0:77
Serial Number (int): 412685572512385349715326138486794925957239
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 59:5b:8a:71:24:83:99:b0:1e:b8:ae:72:9f:b5:6d:86:37:6d:3b:a1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 10:d4:b5:60:1b:b3:19:b2:66:53:bf:75:52:04:78:e8:b8:95:20:f2
Fingerprint (sha256): a1:7a:12:6f:88:8e:e6:97:5c:2d:fc:0a:73:8a:be:d0:df:83:1c:51:ad:70:64:9a:71:dd:c9:73:94:d2:24:76

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

Revocation information

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

Check the revocation status for certificate sobczyk.eu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for sobczyk.eu

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

sobczyk.eu
www.sobczyk.eu

Other certificates including the domain name sobczyk.eu

(limited to 100 certificates)
srv191.sobczyk.eu
mx.sobczyk.eu
vpn69.sobczyk.eu
www.sobczyk.eu
www.sobczyk.eu
webmail.sobczyk.eu
www.sobczyk.eu
iot.sobczyk.eu
iot.sobczyk.eu
srv221.sobczyk.eu
webmail.sobczyk.eu
sobczyk.eu
srv191.sobczyk.eu
srv191.sobczyk.eu
srv191.sobczyk.eu
webmail.sobczyk.eu
srv191.sobczyk.eu
srv221.sobczyk.eu
webmail.sobczyk.eu
iot.sobczyk.eu
webmail.sobczyk.eu
srv191.sobczyk.eu
webmail.sobczyk.eu
webmail.sobczyk.eu
srv191.sobczyk.eu
webmail.sobczyk.eu
iot.sobczyk.eu
iot.sobczyk.eu
webmail.sobczyk.eu
manager.sobczyk.eu
srv191.sobczyk.eu
srv191.sobczyk.eu
webmail.sobczyk.eu
webmail.sobczyk.eu
srv221.sobczyk.eu
www.sobczyk.eu
webmail.sobczyk.eu
www.sobczyk.eu
www.sobczyk.eu
webmail.sobczyk.eu
srv191.sobczyk.eu
webmail.sobczyk.eu
iot.sobczyk.eu
www.sobczyk.eu
webmail.sobczyk.eu
iot.sobczyk.eu
srv221.sobczyk.eu
srv221.sobczyk.eu
srv191.sobczyk.eu
srv189.sobczyk.eu
www.sobczyk.eu
webmail.sobczyk.eu
iot.sobczyk.eu
srv191.sobczyk.eu
www.sobczyk.eu
webmail.sobczyk.eu
www.sobczyk.eu
sobczyk.eu
webmail.sobczyk.eu
www.sobczyk.eu
www.sobczyk.eu
srv221.sobczyk.eu
srv221.sobczyk.eu
webmail.sobczyk.eu
sobczyk.eu
srv221.sobczyk.eu
www.sobczyk.eu
webmail.sobczyk.eu
www.sobczyk.eu
iot.sobczyk.eu
iot.sobczyk.eu
webmail.sobczyk.eu
www.sobczyk.eu
mx.sobczyk.eu
beta.med.sobczyk.eu
sobczyk.eu
webmail.sobczyk.eu
zaplecze.sobczyk.eu
webmail.sobczyk.eu
sobczyk.eu
www.sobczyk.eu
srv191.sobczyk.eu
srv191.sobczyk.eu
sobczyk.eu
sobczyk.eu
srv191.sobczyk.eu
www.sobczyk.eu
srv191.sobczyk.eu
webmail.sobczyk.eu
www.sobczyk.eu
www.sobczyk.eu

Certificate

The complete raw certificate details for sobczyk.eu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw+Mh8ht6z7yUf/9+GI3M
GsgD0SSgXZbO574mC91hFbwHPGBsbUX1zavO2md5b7nRSIgvRhm7d6J9UKeBNP1N
matB0/qSyc44TXOJoVSkl7v8CtJ7wT+f77QtOEUDVvQbWhpJE8ocxBVmwAcfCdt1
n2eOqmTea4HmJGCLIkfBQxlMZ+YMVAvp4eH+OSej7AwnBn/RAEwcfUE16yUNRr4X
OZ9WLtR3z3jMQl3phwr3SH81be1XFLnZEDpBicd5NuNmN+NltfdZGgSmw4OanhMq
eWxbAujGWxiejQxC2hHk9g+T1DvJ3FvL/MvsBdoFZEnxLkvMxFPVdjxVzHvIjL5g
vQIDAQAB
-----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 412685572512385349715326138486794925957239
 . . . . . . . . [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 2023-10-23 04:16:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-21 04:16:38 +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 'sobczyk.eu'
 . . . . . . . . [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 24728472728113972268757527412544628468115225266474836568714001401193554397984318051566857903665053182047779690705693440047736361148488445444962848633035027358886118777025393063740117273150435990703556223815407907817502504197836225897192978335664445503967052074558921023530787951938850810734384311581358476459358677212306295725544668722942085071902778366214134721492173714776962585529211068392525089845170120870668107534280037947582065935535339135945726611183289486690763749974043700572778622112296772409018870328794008176471937807979666711636641035785649106914107679781010060517103570980160426245261951638106735009981
 . . . . . . . . . . . . . . . . . . . . [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)
							595b8a71248399b01eb8ae729fb56d86376d3ba1
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sobczyk.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sobczyk.eu'
 . . . . . . . . . . . . . . . . [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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b5af6b50c0000040300473045022100fdc4ad642df2a5c4613ccd4f1d8e951a64d8a6ecf44e04414499333c8400718e0220748c11414217725c7159a698eb68369cf24b714588435b0f909411e558f28bb7007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b5af6b72800000403004730450220357dc3c30b92887ba0dc8177a9e3cebcaf0ab640f1d240ea018532b1d2c5d913022100cabe05e457768305eca6d3fffefc5aff4672bbb921f24701790bcc99bf40da3e
 . . . . [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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