perfektnipradlo.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:17:bd:09:a7:7e:38:07:3d:7e:26:02:2f:2d:b8:65:89:0a was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=perfektnipradlo.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:17:bd:09:a7:7e:38:07:3d:7e:26:02:2f:2d:b8:65:89:0a
Serial Number (int): 269414626453499892713005174761351486474506
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 37:d8:ec:02:3e:2d:8f:bb:ee:b9:4b:42:de:19:40:96:0a:ad:dd:96
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b1:ff:dc:bf:53:88:72:69:e5:96:c5:40:a0:99:fc:f1:ef:3e:66:f5
Fingerprint (sha256): df:41:1d:89:64:ff:da:6c:10:f1:cd:ee:72:cc:e9:e8:3a:a5:83:20:7d:ba:10:5e:53:61:15:54:18:2c:79:86

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate perfektnipradlo.cz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for perfektnipradlo.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

perfektnipradlo.cz

Other certificates including the domain name perfektnipradlo.cz

(limited to 100 certificates)
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www.perfektnipradlo.cz
www.simplie.cz
www.perfektnipradlo.cz
www.simplia.cz
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www.simplia.cz
www.perfektnipradlo.cz
www.simplia.cz
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www.perfektnipradlo.cz
perfektnipradlo.cz
www.simplie.cz
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www.simplia.cz
www.simplie.cz
perfektnipradlo.cz
www.simplia.cz
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www.simplie.cz
www.simplie.cz
www.simplia.cz
www.simplia.cz
www.simplia.cz
www.simplie.cz
www.simplia.cz

Certificate

The complete raw certificate details for perfektnipradlo.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzDIIcaDTQQFnD4Hx4SPo
FBvhl1r1xHw7cmVMZ97wsuYFmUketZWI6a7brp3DepugQjXdApL4ukoQGZ3MVUkI
4s41uRcxxikslYTHterl/n9Y2vNRVIjGnUa9nJJy6DICqnFiIoxpiGRqSvT+t4wU
69+Nss5J7JiteSQgTfnX6gqpqPaVLkjhVUokEOH41+kM74dWjsTWLKUlKswA+/Ue
X6EHuK0LgHs/7P49l4PeuYYRaun732Z5GhkkisHM6Zs/yRDQrJqkihE2BbFZmnf/
vPQR25y1wzYbtfQEyHvNSd8ZM44E0SRooyQtGizjeBZullgdKF2wwuPHwh9XGznI
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 269414626453499892713005174761351486474506
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-25 10:35:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-24 10:35:17 +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 'perfektnipradlo.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 25777286396946970658300694485669447409615286553732887043812537241107961154036244661168084562610193814713418900826733039510537650010254016939803860921208911837783873692914127787106402841304952175734659106851199139446168566179108089769109906607252055414166906273113273972720748733916444355247159331310797589087495957899437941273281782786644800549685553376244651290483618063170631169221993833389670414179626249970311776483214629216516310999873631710799180172967453337130278464674658550174033962488655822321262397490100112622709072330169179534153818797222375698409698804475172905545300542880451030375495816198610122033267
 . . . . . . . . . . . . . . . . . . . . [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)
							37d8ec023e2d8fbbeeb94b42de1940960aaddd96
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'perfektnipradlo.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f1509da8400000403004630440220355c263a6b977e4804a705f32fcbca9383f846e9d78d0756153fae223194c03d02206eca8108ea045a78d205cfed9f67c5e36d577529900d409ed639c5f5344697ab007500dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018f1509db450000040300463044022057c95f2c8447be5dc37b3daa6bf13a077ba3b473a0876afa6aa496277cc70de30220391ba78547e5c0d20d399fa0aa26f030a3978227c6e59304cae67f6602baa0dc
 . . . . [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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