ckvt.cz

Issued by GTS CA 1P5

About this certificate

This digital certificate with serial number 64:75:81:c4:94:a1:70:89:0d:f7:63:0d:83:91:98:3b 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): 64:75:81:c4:94:a1:70:89:0d:f7:63:0d:83:91:98:3b
Serial Number (int): 133532930316497835927987058546884843579
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: 31:da:9a:e8:1a:92:eb:48:74:9e:c8:3a:4f:40:b0:a2:3e:9d:31:60
AuthorityKeyId: d5:fc:9e:0d:df:1e:ca:dd:08:97:97:6e:2b:c5:5f:c5:2b:f5:ec:b8

Fingerprint (sha1): e0:66:af:43:3c:91:65:0f:87:23:f5:d5:35:c2:4e:53:72:15:f9:b1
Fingerprint (sha256): f6:e0:29:4d:73:b9:4c:3b:de:ac:c6:ff:d5:fc:b8:de:72:fc:f6:00:7b:21:71:86:49:5a:f6:6e:1c:41:85:e0

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

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1p5/YYqOiwL5XcA
CRL Distribution Point: http://crls.pki.goog/gts1p5/LF_JhABTb1Y.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwlbTucydHYeVmojcqZyg
qpcK5nYmLjHzMOs2eK1h+I1PmsrFRuVe9OvQqHUoZIvADIO9a13+Pp/kTXRKXgNJ
sXCM/nu88m/F0L/OH27NCnkFzeQH1Mdcf6TgdwZgaXOHmJ6m3aB2UhUu2t3p6vCh
jGS6vHQ4L5HqZISvapq8pADQK5fMuEBCiYvByekWlGjoAXGOhQsFOQk8l0ROtuxg
5xZUheIOd0HuX+OD0Q8VMo9JhA102cDcbqTXcNMGdDnvrSe6DrZL2VmlBYl9veow
58YXH3QO2Q+uMXl5l0y/mm08KQCxzwElCotglQQc3q+LnVFLHf7Tt1knwcbZd2SC
mQIDAQAB
-----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 133532930316497835927987058546884843579
 . . . . . . . . [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 2024-01-30 17:00:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-29 17:00:41 +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 24533047179429724576667370882199270972608882822856731226891585424119813887360672634152676028829686969323061825773056180972856191315615676407656467179597104542328435871783820376411161706208098323104670340333588451333751210535940192045373643722328756457810902564867546619162059316040746975605574572818867580610147157720027393087893488318405700569376320064919956922352064007542574590286784710095344371240841830660595552188220088345121683472943163077319444317812527523911077912568673265557506303969510406227563854391065150228550533295258668885204019781778694878961105039181274247581961739048691638867013601525913165791897
 . . . . . . . . . . . . . . . . . . . . [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)
							31da9ae81a92eb48749ec83a4f40b0a23e9d3160
 . . . . . . . . . . . . . . . . [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/YYqOiwL5XcA'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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/LF_JhABTb1Y.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d5b87ce230000040300463044022050ec61ab8b2235757a94aa16f2725285a2c04e895a736d8e0277094d8b6c87c3022003cbb54e7adccf3afe080b7917a591574f011f2fd61ee535a057e5655a99b2c5007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d5b87ce130000040300463044022007ed6ceeb8f3eaf10ac16f63513e8bd3f47a03758cf55898e3d30d2696f620da02206ebcdf8561e9e56951a4113f836b02ef053eefa22995c2c2a3dab9fbfa6b1071
 . . . . [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)
		0015b5547a95a74880ae1ef68080a00cb8e5ce8a210f75fed539b3702b9fb40d37592e68472ece94a966681fb4274a35d7d17ee09c26f02ed72d7821b423028ea1e297fd97be77fb5b002e207ddc8e5090891c8d2d70a1dd583d0e339b5094a5324ce607f552e5dfec9b19136dc5b12a160535e62f63bd9092a868130ed1044de8f9edac4ea84fef33937c6fd11bccd5aac0db80c53350b8ebf94349ee21997432dd4d0c57632b72fe9b897c31faea1f9e4504e3a72183c469ae629299736bdaf0ee234fbe965bf0bcf9746c1c7cc2b74816b5e56d5447029438dee5f804848ad10bc09af9b00d46a26e0f5cc0ed7ff23f7850c728dac3b1429e0af365449aefa7