strnadatka.cz

Issued by R10

About this certificate

This digital certificate with serial number 03:a5:bb:4f:4c:4d:fc:90:70:9d:82:81:d3:72:39:7b:a1:0d was issued on by Let's Encrypt.

With 5 subject alternative names this certificate can be used to secure multiple fqdn's. 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=strnadatka.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:a5:bb:4f:4c:4d:fc:90:70:9d:82:81:d3:72:39:7b:a1:0d
Serial Number (int): 317732425711541053161673073172893092520205
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1a:de:c7:78:4e:11:51:7a:a6:97:bb:fc:ac:60:db:84:db:a6:57:96
AuthorityKeyId: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (sha1): 06:cc:97:b9:c8:60:8f:ea:46:bc:ff:e8:da:0e:02:85:64:f2:f0:d3
Fingerprint (sha256): 88:2c:26:05:ab:f6:ee:36:dc:ad:c2:35:75:e6:ee:f9:3c:8c:76:47:7b:46:ec:e3:34:54:b7:65:86:85:e5:18

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation information

OCSP Server: http://r10.o.lencr.org

Check the revocation status for certificate strnadatka.cz

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for strnadatka.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

horeckovnik.strnadatka.cz
strnadatka.cz
turistickeznamky.strnadatka.cz
turistika.strnadatka.cz
www.strnadatka.cz

Other certificates including the domain name strnadatka.cz

(limited to 100 certificates)

Certificate

The complete raw certificate details for strnadatka.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 317732425711541053161673073172893092520205
 . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-18 23:03:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-09-16 23:03:01 +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 'strnadatka.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 701367765265615427849886511745172500464337364109829756124755758104952762307802144546611503038092033021378979918072606963877309676463208597108079787532550177435680062617863964910099550475030798719157587090578777083015415394614249852512869910631757275365631994164801652675497132238206055052766533320150275373609128890981223909161386769467793988618644848031253278469285136113421404907769989412826058577626687632048669750139376306965936380067434364722360247536799016460650776386364878662670227539979468284184206018260994051981669793764459903680808152630407057307401334725094629154627553744532943311694555543159081509799133830171615616449054043209366576051339552460105094713280387756473366006104810566748526894156976400865487365284100632107032812806367828910931185438153356929855470631761626373157070524855660579180304457923934820425653344214264750543536162532188772000363356533902107707507173105833266759714693060201426611854594425556244750148202797775431759475038835276896389782819931979573540504150906577730392063045931588978105733219911464449172177586957367291046451538813585796986004920708687924905919620140503037677061240173245978632529178150009801270992167454456836783150244021077962964340672110191101365634839106253551684688479617
 . . . . . . . . . . . . . . . . . . . . [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)
							1adec7784e11517aa697bbfcac60db84dba65796
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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 (75 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://r10.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://r10.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 (120 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'horeckovnik.strnadatka.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'strnadatka.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'turistickeznamky.strnadatka.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'turistika.strnadatka.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.strnadatka.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a74000001902dcdd625000004030046304402200948ce0021552d49f561193db48f1071cda742c43d1bd387baf219b0bd8f3366022045979e8ae038c4c4106b0a7fd50e0ea95ff44bae2cec2f40fd82348eb9952c8e0076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e000001902dcdddaa0000040300473045022100f002147d437932f02f62cf3935d2d180511ba8d38d83be6923e6f50a7436a36f0220725cc5eea183f9ab1d38efc3ac24fb54609a3c7cca0aa5c3f9a3b2c38bf78e07
 . . . . [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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