www.sobczyk.eu

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:86:97:54:c8:08:cd:04:42:aa:91:1a:78:89:90:fb:5b:7d 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.sobczyk.eu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:86:97:54:c8:08:cd:04:42:aa:91:1a:78:89:90:fb:5b:7d
Serial Number (int): 394248134531925575520904510685529803283325
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 66:50:ed:0f:26:8b:dc:9d:98:7c:65:16:97:a2:69:3c:2c:58:60:dd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 09:60:26:1c:cc:7d:77:1c:a8:fa:e3:76:00:ed:48:2c:4d:2e:58:b7
Fingerprint (sha256): 5a:2c:e1:f4:c3:e7:bf:97:34:e4:c8:32:d5:02:e9:d5:94:67:88:a1:d1:3f:e5:74:db:9c:b9:e8:e0:76:e6:37

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.sobczyk.eu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

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 www.sobczyk.eu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE/zCCA+egAwIBAgISBIaXVMgIzQRCqpEaeImQ+1t9MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzA2MTMwNjA4MDBaFw0x
NzA5MTEwNjA4MDBaMBkxFzAVBgNVBAMTDnd3dy5zb2JjenlrLmV1MIIBIjANBgkq
hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyEV8tvDWiXvltx6Fb+l5q1WVKhrUkMMg
vxk6KT+7YPlpe7snx+vKfaj6oHGQhookeiI3tKwzwZ/Rl9r1CcijY3YobtT3fmmL
FbvsLj7FAf31gEdr/t+MdJSYds8sEmG54AYJJuXy5C8ixSxeRb0fxpD9YduR0J+t
j7Kk7O8SZ6M1oEl+MqNJghq9qR6pTDsCcOtmEtesvubhziH3ylxZsNyWuLSbQ0JL
u1uK7cNYCLEF8ilVi4eKmT2CA7ElkwuUX5XCbD+V+tXNwgT9zt5xK/I5pD0j0N9Q
2CwBNONpAfF6RuN3ZdPJNeQZ2mTlctTBvM1lp0Gw1N9f5i6oMHZECwIDAQABo4IC
DjCCAgowDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF
BQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRmUO0PJovcnZh8ZRaXomk8LFhg
3TAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRj
MGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5v
cmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5v
cmcvMBkGA1UdEQQSMBCCDnd3dy5zb2JjenlrLmV1MIH+BgNVHSAEgfYwgfMwCAYG
Z4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAmBggrBgEFBQcCARYaaHR0cDovL2Nw
cy5sZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUFBwICMIGeDIGbVGhpcyBDZXJ0aWZp
Y2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBvbiBieSBSZWx5aW5nIFBhcnRpZXMg
YW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRoIHRoZSBDZXJ0aWZpY2F0ZSBQb2xp
Y3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5jcnlwdC5vcmcvcmVwb3NpdG9yeS8w
DQYJKoZIhvcNAQELBQADggEBAJiimSNYqNyq3LKIiuTcZX+ODFajLOt0sxQPOguj
Tw+g8E/CbWNliCP1owvwT2izWHf/nVxLjBn1Wul2onELNnQF4B+WWif/Ff/8ntiS
nXJ+n2wWKCyky3cIAG+sELSE/WTQ3VpYDepdtgUZBMrE2/rXwyTFHI/nfffAckyE
iVlYmqKgHSa7NqbDIrMg2eR3LhUczO7ckLJB+wjkeZlijoExkxSPN1YE9cv2COeN
hbYbZAnXMksHuhpEpkwxMmVCJ2qr6WNnEft8f0zzk1X3gVwEbHtL+52nRyIR2CF5
XL+6NkrencadDhgK8hVIBuyU3LSeEMYxQq5zLVHFtdzSFJw=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyEV8tvDWiXvltx6Fb+l5
q1WVKhrUkMMgvxk6KT+7YPlpe7snx+vKfaj6oHGQhookeiI3tKwzwZ/Rl9r1Ccij
Y3YobtT3fmmLFbvsLj7FAf31gEdr/t+MdJSYds8sEmG54AYJJuXy5C8ixSxeRb0f
xpD9YduR0J+tj7Kk7O8SZ6M1oEl+MqNJghq9qR6pTDsCcOtmEtesvubhziH3ylxZ
sNyWuLSbQ0JLu1uK7cNYCLEF8ilVi4eKmT2CA7ElkwuUX5XCbD+V+tXNwgT9zt5x
K/I5pD0j0N9Q2CwBNONpAfF6RuN3ZdPJNeQZ2mTlctTBvM1lp0Gw1N9f5i6oMHZE
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 394248134531925575520904510685529803283325
 . . . . . . . . [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 2017-06-13 06:08:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-09-11 06:08:00 +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.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 25281926392079429653039347372149477886210622629495326091218031970755822061522689856811156096291253720394594687183597749764145790572618660070703129952023629618659375498065960230112761628955905463972430875925216109268223245924297234314679078518200555273412540766207587120044442502676879060736496968223476025446966756780657089636142909454079791922442710139605030348988781388544782537579374534608143441896864969279630980875809156117851030808503009920353697422209594860268830648873168445745830970687077904366490325707342089152637360316623887465572511149663620913429945083055285101945836370583013603035236918330247779599371
 . . . . . . . . . . . . . . . . . . . . [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)
							6650ed0f268bdc9d987c651697a2693c2c5860dd
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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