sobczyk.eu

Issued by R3

About this certificate

This digital certificate with serial number 04:f5:ff:66:47:84:56:97:84:f4:78:ec:68:dd:2e:09:d7:96 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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:f5:ff:66:47:84:56:97:84:f4:78:ec:68:dd:2e:09:d7:96
Serial Number (int): 432157807826411632432687942636885806536598
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 28:33:9a:2b:93:fc:3f:ed:d4:1a:d1:b2:e3:0d:69:2c:f4:36:e4:7a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 38:a2:c2:b6:0e:bd:bb:5a:95:ab:00:33:95:48:91:ad:57:b7:ee:de
Fingerprint (sha256): cb:78:a3:5a:cc:c5:f4:73:a3:9d:25:92:d2:69:6d:65:26:25:12:47:99:69:f0:37:24:d9:ff:cf:2a:81:c1:7a

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtNnQOMSRBQtMGT2593R9
WXRHixI3CbhbDF68aZRLYPBy4MU0lpG+O42MENNreZ5bmWCg8103UFEridfUt3AJ
7BpzUgXEmgK4b71p4vJYODruTslVcmz3bnar4nA+IKO2PtNvVZwQx5DVmUxfoAbH
K8jFep24vHvnsJ66ZZ8hHU4Jo6SeMWkWUw4sVJJP7X/J2uvA9CakvXs3JXjYVVyh
kjvpmcBMxupaIPYZ3jVaMoCG8vE8O1YENlanxDo7eBKOkYcWZCvVsGzNTdfZbFoY
jkTlIOCAS5BYBG15kzMUi1ggF1BMlCzUMNJKsro8AX+yP4uUf4WEdmzGnchan/5D
LQIDAQAB
-----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 432157807826411632432687942636885806536598
 . . . . . . . . [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 2023-06-19 04:19:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-17 04:19:14 +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 22830302667910504150061069846171476230631799786985746888255627780556643177237739501384898928672297441897862137432305851850344907061204227136182874581114861483174400675062572485587443035453001798751255273908794579835467324332895438604005328400848264422197105542821665467441242390706970538487826576560582346463553315415256424800230251122869467962548695838954185694924060023762188829969678752537321614534748714677172789821023917968081594489145538295808250340842858347883431784286267386722446086898928119658007490738827659864031629470086793922408352708817997002256901678069984495086174047347796773351184633444912959734573
 . . . . . . . . . . . . . . . . . . . . [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)
							28339a2b93fc3fedd41ad1b2e30d692cf436e47a
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000188d217ce33000004030048304602210086a3e9a2025a084cab93597a2ab0e1e0d69843991257324ebd6c43d7952a9f8a0221008af5c0f3c99667bd3bcb7369b0b41cdfc7aaf2de8a73e06b30d95e74b8569fb4007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188d217ce2a0000040300483046022100ef61eea6dbbc1a10d8e19bd897337c82ff0b3f029da02149bbd2d13d1f80ecde022100a01e8b99c567d4a229c49176ee7ca9f823c9f0300d9c1f475b58ce9b72e68e89
 . . . . [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)
		000d2850f71fa4ba3bf0e3d2d2f57951ef477f04eb47186b31dfa5e5658e777d51f5bb3c231fe1607a0396bf1de529b0dc339441b13085df1668ea61a041ad00d165042c967ffabba03239b07c7fba8ee203ba9b832f3764673e9be78076d1d93dbdb8cd9db3ad94cdefe60183e38e86498d56d3c630e58943d71e0637c543f3c22a06f39240fdeb8007de3b6ed9c0493215a2fa5dc6dae6c822359b5a7a0c26d5856cc19e279ecbd476884cd4867e578d1b107895c0cc388607e4b9e6553345aa59cb62f060b543df60cbbf1fe60894783e7032ab01aad8c48e4e1b1043786b0f194c45e5434b6b3789d0311dcf90e39e4c862cfb1e6304703e5519f8862fd540