potuznik.eu

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:39:8f:cf:1e:88:ca:cd:73:1f:5a:c4:84:52:01:d6:34:e7 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=potuznik.eu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:39:8f:cf:1e:88:ca:cd:73:1f:5a:c4:84:52:01:d6:34:e7
Serial Number (int): 280924107737931274593345931781912546129127
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 14:16:94:4a:ac:38:45:38:7b:3b:e0:e4:fd:9b:9e:11:83:ce:f0:8e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c2:5c:74:be:d8:cc:f5:c7:78:64:04:4e:c9:45:b8:af:a5:ba:ed:df
Fingerprint (sha256): 5c:c0:2a:f1:a3:8f:5a:dc:d3:66:10:91:cc:d3:53:2d:dd:29:9f:6b:6b:bb:c6:c4:ca:07:91:c3:a6:aa:63:19

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 potuznik.eu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for potuznik.eu

Public Key Algorithm

RSA

Key Size

4096

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

potuznik.eu
www.potuznik.eu

Other certificates including the domain name potuznik.eu

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 280924107737931274593345931781912546129127
 . . . . . . . . [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 2016-09-25 23:31:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-12-24 23:31:00 +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 'potuznik.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 739823163715095878885448851488026856040751117961993071289286700772300403068310132217564340943582970730937966390968769707984055871397114648064560090668005714084494574095448876960149302669832040159047895083353766606142753514414405183322404141107924460814808694101194753418540578737868500750456486243165976158709715850369311338149324062044014662029829811120612089954385647218343898224559858092812295262906152061674461910987747747976318298809118398357998867626312497935101731511864009561921177097422479101485620056117938997001238646430171809912468153173687174038734557816669977765535432488808436955190051389117103679485643343632592297601407219174436909184793909899092091074566789023294315949541614280822981889930949275731379109878374300885727722472976240427882203102902199187991392783633525126863461514882508517460854019793083285645560724308442459209846217250764408086661516538731457873830601379159968779759807224520835414993684821825951634016622141246753301089179586991934556340984286938757218911550529926933498125682240277533214785437248308343978893199583488437445114101357565696586075566658285433490307036976797231307904409437416594893266260987337882708813676251351642371941730331562655828066463894953734407330784089356710750699467971
 . . . . . . . . . . . . . . . . . . . . [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)
							1416944aac3845387b3be0e4fd9b9e1183cef08e
 . . . . . . . . . . . . . . . . [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 (100 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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'potuznik.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.potuznik.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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