voittajat.eu

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d2:ce:f4:d9:9d:03:0d:a3:ea:00:43:ca:cf:6b:09:45:84 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=voittajat.eu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d2:ce:f4:d9:9d:03:0d:a3:ea:00:43:ca:cf:6b:09:45:84
Serial Number (int): 333071247149965642887219307690732613617028
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1f:0e:3b:b5:e1:35:d0:80:65:21:09:31:c0:38:b6:ea:20:22:cb:0e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ef:a6:e4:f9:2f:fb:e6:a0:48:b6:d5:ff:b2:62:17:d5:71:29:da:ca
Fingerprint (sha256): d8:39:aa:27:65:3d:65:2c:a3:8f:5b:82:e7:35:d3:c5:e5:4b:8e:f8:8b:ba:d4:32:ad:8a:42:32:ae:18:9f:95

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 voittajat.eu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for voittajat.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

voittajat.eu
www.voittajat.eu

Other certificates including the domain name voittajat.eu

(limited to 100 certificates)
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu
voittajat.eu

Certificate

The complete raw certificate details for voittajat.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 333071247149965642887219307690732613617028
 . . . . . . . . [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 2017-11-08 02:00:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-02-06 02:00:38 +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 'voittajat.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 785718863988586432899417148274520635140587763894201112183579507087781526926259751908253638294495254532269919851451885996887850854145997165016814894267815246224046498148627783588218476742913105437517717712395901054694147579575197689744424597364304279033675003272728203146377463779906451304010829742651350787127702841525689901994934227908802331746496604725177290869428896416243439530581030031001543683804818644228981257655107716476464641504227946253097743639314070700861725102734235361077701300387932722605898144964107431199402123158955770225364362136137007746986554577186770970926872892375574037799143782506264394531531982594791595050364416601541168413218356538896860148368493918253971825800109778674985055336502538190006910346866854328905657569692429478948242404317238574981943888497986834822649573961788554844160293178222826158148109828020814509005819664908840241590074636098083416532845941102722070939757434106517038990890526213297918691431624634932869783613142201644817388404069964704038722130382688229827077126163970028602567216626184147001434602907115525589129360200776517808328693979747364394358785560715850420609801943456022213762367608984377188250604471905814674868075925835623972309698008495926808510107185459409031493708257
 . . . . . . . . . . . . . . . . . . . . [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)
							1f0e3bb5e135d08065210931c038b6ea2022cb0e
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'voittajat.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.voittajat.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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