ckvt.cz

Issued by GTS CA 1P5

About this certificate

This digital certificate with serial number 66:e7:c6:e5:dc:b4:2d:48:13:54:d0:07:ab:77:08:64 was issued on by Google Trust Services LLC.

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:
  • 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=ckvt.cz

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 66:e7:c6:e5:dc:b4:2d:48:13:54:d0:07:ab:77:08:64
Serial Number (int): 136784710273038225659932933006109902948
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: 87:9d:c3:c9:50:4a:10:21:1f:40:53:6c:27:8e:32:91:3c:4c:55:96
AuthorityKeyId: d5:fc:9e:0d:df:1e:ca:dd:08:97:97:6e:2b:c5:5f:c5:2b:f5:ec:b8

Fingerprint (sha1): 16:b1:e6:2b:52:4a:b5:2d:dc:f7:ba:44:87:f4:43:8b:37:4d:58:1c
Fingerprint (sha256): 10:c5:bb:4e:04:80:6a:d1:0d:15:6d:95:f2:0c:92:93:85:6f:a5:b5:b6:cb:05:d8:3c:1e:d5:5c:e8:af:38:46

Issuing Certificate URL: http://pki.goog/repo/certs/gts1p5.der

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1p5/UFu8_WZMvjM
CRL Distribution Point: http://crls.pki.goog/gts1p5/_vogQrEf4S0.crl

Check the revocation status for certificate ckvt.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ckvt.cz

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication

Extensions

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

ckvt.cz
*.ckvt.cz

Other certificates including the domain name ckvt.cz

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq/NDWYGt8QJLGF8L5WVW
X0twI5CqovLlMIV8IxqpgaG3IHTUic6/9hspD9DwseceBBr4wckP1ySqbVPUpGK3
qrMy7xkl3I19dJJRg+Jvq+RSrXztvtFLyrVvbuhokESYzkheLaIQGBEd9S5/QXkj
7pOc36a4ztsAqnul6PKRN7xgKHPvF0VGf0WTTzcV2HhZ0ek7a2E/Yu5PSUGgPavD
8meu6VKo4BKq0XCurvULMyvppiM3zaiuXqRvsws3NW4ZYHzpfP0LZ5toLyQm32MS
6U4kN9YpjaL9JAqoWlCQWBTQJW6RwyXX4u24QV5zBiqwNvQue2kXlu+lZCBtuQmX
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 136784710273038225659932933006109902948
 . . . . . . . . [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 'Google Trust Services LLC'
 . . . . . . . . . . . . [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 'GTS CA 1P5'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-04 14:45:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-02 14:45:12 +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 'ckvt.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 21706707647045927480036712637520505983615275710370785076078951328093819756886418055762142055500654153678818224123575845910220748474630893649420109167954877351771856473119794925835778980101391393933931861485511152251157152866471898429009637054022970681405873696152561599584384850965116175285797658675094242976321363514074936207485402613411814051573566409281057243125495542732902224004553012362345096582703547843459965857247260620751159514920080718043455843158376193019240408382914010350717151099962783301441979388838371027521950187777760217610662787678456957238385007426625076926598657366642526992669235622328891185081
 . . . . . . . . . . . . . . . . . . . . [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 (12 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: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)
							879dc3c9504a10211f40536c278e32913c4c5596
 . . . . . . . . . . . . . . . . [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 d5fc9e0ddf1ecadd0897976e2bc55fc52bf5ecb8
 . . . . . . . . . . . . . . . . [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 (108 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.pki.goog/s/gts1p5/UFu8_WZMvjM'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://pki.goog/repo/certs/gts1p5.der'
 . . . . . . . . . . . . . . . . [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 'ckvt.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.ckvt.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 (26 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 1.3.6.1.4.1.11129.2.5.3
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (53 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crls.pki.goog/gts1p5/_vogQrEf4S0.crl'
 . . . . . . . . . . . . . . . . [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)
							00f100760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018afb5d5ae4000004030047304502201a9812fc6107672a78c85064c59480d68c877a0a8717ce60a0e814501720c461022100e926f3509a3ed5632ed47e69aec89ba6ebb1c62b49fa76d6d922251815533167007700dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018afb5d5af4000004030048304602210086d85953b3309cb4b43473e29b723ae2b0ab15e087e974507bcd3d4ce9f5e26a022100f664a6aeed4f00e7edd1721ec2d64f29dae685902aad99f8026b91dccc87bcce
 . . . . [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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