www.trenerka-kristina.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:dc:91:16:61:f4:db:7d:62:c5:57:80:5b:d9:b3:05:ab:0d 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=www.trenerka-kristina.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:dc:91:16:61:f4:db:7d:62:c5:57:80:5b:d9:b3:05:ab:0d
Serial Number (int): 336391832794600234476596076775867450501901
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 82:fe:a4:40:85:75:b2:7b:7f:41:df:14:e8:75:32:2b:96:1f:72:53
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 70:25:f5:3b:af:8d:2f:fb:b0:0d:02:3f:bf:e9:f0:21:9c:f1:c5:5c
Fingerprint (sha256): be:02:cf:23:cd:d0:ef:8b:ab:5d:24:37:20:2a:ec:40:92:ec:cd:57:f5:9e:30:c5:6d:5b:f4:c4:47:ce:87:1a

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.trenerka-kristina.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.trenerka-kristina.cz

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

trenerka-kristina.cz
www.trenerka-kristina.cz

Other certificates including the domain name trenerka-kristina.cz

(limited to 100 certificates)
trenerka-kristina.cz
www.trenerka-kristina.cz
trenerka-kristina.cz
riha.hu
www.trenerka-kristina.cz
www.trenerka-kristina.cz
trenerka-kristina.cz
www.trenerka-kristina.cz
trenerka-kristina.cz
maxxispneu.com
trenerka-kristina.cz
trenerka-kristina.cz
trenerka-kristina.cz
www.trenerka-kristina.cz
trenerka-kristina.cz
maxxispneu.cz
maxxispneu.cz
trenerka-kristina.cz
www.trenerka-kristina.cz
trenerka-kristina.cz
www.trenerka-kristina.cz
maxxispneu.cz
trenerka-kristina.cz
trenerka-kristina.cz
trenerka-kristina.cz
trenerka-kristina.cz
trenerka-kristina.cz

Certificate

The complete raw certificate details for www.trenerka-kristina.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5Q8zN9l3PS9/S9h9ZKNx
jrJEL0AL7145ugs+jjhIr6WAb7/CyNHkql0B3d+grfUh3SW/YXLTGODCXFQcc7YN
QNPxblA5yNZq9jPSruykAaEv05AslHnTxLKmYH9ckcG7b9VmuIRuWAqlZt5zyiiT
wtJprL+BJzoDR26amxN/IRhIjiOzHUBKzAH2MUeV21NC70yVmE/15GCAwrgAeJdQ
R+439HDo2ugqZ6DU2K+/NHeJQwvkm3GtxHqog/YonsMInDaY6+bi4c6CuNlzPNxK
9efnkYEb+xqz0lI7CZCUsn7790UJwlwWLPTWyAIMdNc6A9Mvkp2Eh/uOrz3oFGIM
uQIDAQAB
-----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 336391832794600234476596076775867450501901
 . . . . . . . . [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 2019-12-11 23:45:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 23:45:51 +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.trenerka-kristina.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28916067271569249498126197997083876905035037134611554361125349179874424423863109742035415967836887680385017890305084375442816822588640869114484856424206241220902257898751322972769280136698401670980137810839160998087335384173193928877653527540181769070073246236246047488057656430171846054122070035239649751197708967710141804459160573137312094888213440846719231950836008860451311162490625906433451196841686746957410658308788086259659639451301254067790605733097900294814940627734030825826096675744848911685979681824899916028735704834127033148151748639324305061917115303971255081629613216484349191728600457564728567401657
 . . . . . . . . . . . . . . . . . . . . [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)
							82fea4408575b27b7f41df14e875322b961f7253
 . . . . . . . . . . . . . . . . [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 (50 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'trenerka-kristina.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.trenerka-kristina.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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef791b3d20000040300473045022100d658377aee8e831ce72c69cea6e92e04d68d61036a03d783f2e289b3c1b859b30220539323c79c4e256e4035edebd1e9fc910d9e695466d73143e5e1b6dc6a4a9c4700770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ef791b42a00000403004830460221008aceb6a96c0e803e022a0316dffaef5d3bedba39ce2bd566101d3f32587c1018022100c67f979fbd9c174f5cd169cea2aaf57992001da62cfa584e55fd865fa857ae60
 . . . . [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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