ondrejfiala.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5f:4d:7a:e5:41:5f:94:17:c1:30:cb:af:e3:c0:cd:73:e8 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)

ondrejfiala.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5f:4d:7a:e5:41:5f:94:17:c1:30:cb:af:e3:c0:cd:73:e8
Serial Number (int): 293766671318513283648868766661511933162472
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c3:5e:b9:d3:1d:7f:5a:24:60:57:58:42:39:76:38:77:f5:ee:f1:12
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f0:17:12:2f:8b:4a:0a:55:ce:6f:3e:e2:dc:7f:78:6e:a0:9a:7a:e5
Fingerprint (sha256): 00:0d:58:f3:60:c0:a5:50:01:66:5c:bb:6d:08:8e:d6:93:34:2f:25:46:82:4e:19:c9:7a:a1:bc:15:e1:f2:e1

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 ondrejfiala.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ondrejfiala.cz


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

ondrejfiala.cz
www.ondrejfiala.cz

Certificate

The complete raw certificate details for ondrejfiala.cz 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 293766671318513283648868766661511933162472
 . . . . . . . . [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 2017-02-01 14:47:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-05-02 14:47:00 +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 'ondrejfiala.cz'
 . . . . . . . . [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 904787127560155749644694053560957652201052773102996840829715650947874247238711343708902549003569753501901753677020632439615225761189641523623507047402134212595057275645602323677386978462806332917464410819997983091402819751883565303307883453725459033354912188984652212792649081234281755188370584096985555718050650644728858278183311086518371146338920181439107397523440784580220889475764259469752362808955237558904314544486357529741823892145355087615648280464970530457380218114744690090585633522725957207197828977592760616203211986865199455881897880519396180766610635934814678338705090161496387158475734025414083931729633665799807954338700310585504914918930873712805983291740470141854248112075069980124963901360075445002086054539638263966640295309036235785326309892253255448747709550386370995631525599244409144090079556878327111609986261479455574904389148045024257983482615888348402845414956733077256539744338261668583749850207170106600699846010915211666325654309847948644366859571907871725650416168881883920297272980444747879879176038917106357658082192072638131227492798402910342632980924120877868826138576603934717720292026725907835308442342108037250342845580066344990251970600082023762832565312919928555069314725253808205932935436431
 . . . . . . . . . . . . . . . . . . . . [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)
							c35eb9d31d7f5a246057584239763877f5eef112
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ondrejfiala.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ondrejfiala.cz'
 . . . . . . . . . . . . . . . . [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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