ckvt.cz

Issued by GTS CA 1P5

About this certificate

This digital certificate with serial number c2:12:fc:28:8b:4a:59:1a:0d:3a:ee:71:57:c7:3c:48 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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): c2:12:fc:28:8b:4a:59:1a:0d:3a:ee:71:57:c7:3c:48
Serial Number (int): 257968806905182224679176561945653754952
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: a9:e4:c3:a0:f0:f1:56:75:83:cb:20:06:5e:d4:aa:8e:b1:70:2c:48
AuthorityKeyId: d5:fc:9e:0d:df:1e:ca:dd:08:97:97:6e:2b:c5:5f:c5:2b:f5:ec:b8

Fingerprint (sha1): 1d:a5:a6:b2:3a:33:3d:d1:08:58:05:12:62:7d:2f:5c:1f:c2:65:20
Fingerprint (sha256): c4:09:d1:c9:50:05:eb:75:e8:f4:25:44:f2:3d:1b:02:b1:29:b1:7a:29:5a:b9:fc:69:00:a2:f8:eb:d1:25:ea

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

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1p5/tcCp3m2Gdvc
CRL Distribution Point: http://crls.pki.goog/gts1p5/YtiCGonLJr8.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)
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www.ckvt.cz
mail.ckvt.cz
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sni.cloudflaressl.com
istour.ckvt.cz
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synology.ckvt.cz
control.ckvt.cz
exclusive.ckvt.cz
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mail.ckvt.cz
istour.ckvt.cz
control.ckvt.cz
ckvt.cz
exclusive.ckvt.cz
www.ckvt.cz
exclusive.ckvt.cz
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sni.cloudflaressl.com
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www.ckvt.cz
control.ckvt.cz
www.ckvt.cz
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file.synology.ckvt.cz
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ckvt.cz
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www.ckvt.cz
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www.ckvt.cz
mail.ckvt.cz
exclusive.ckvt.cz
exclusive.ckvt.cz
ckvt.cz
exclusive.ckvt.cz
control.ckvt.cz

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA277RURDNtNqNkEkhX+Eo
b3nur7bqwnsseKSlwvL3ZATPcA2+hT28xq3a3erwoaE+23GLH6ruQF+8PxtxJ2lE
goyzGc/E7EROxuMnQg5V5Q/lhrxB+/p6aeSJeOTByf0hPUVGTW0F5wp2LSee7gzc
vK6sHh7wao12ROLWVI8IPoOTKhKWwJiNWjS/UPOZ8jJ9kR4z8zmquW0qoz0YYxWl
RIram/AV3+k6JtctctP9ippCBuxlhA1aK2IDCyxw+gqUjSc6540CLOumW4Iq6Mqi
FRQ8a5mrtlqbSKgLVpEpIu+7Jx5vFhTnCNEKlxA0isvfCEhK67Ncqy/xWvi5zECT
YwIDAQAB
-----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 257968806905182224679176561945653754952
 . . . . . . . . [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 2023-08-06 12:42:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-04 12:42:56 +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 27740284474429683010518251649020870719039531444276240621778916389809401734464129875400650131486555909798618285394407794462174342073258961227278192085701907634966048144586978888916745348405390544164492498663929534422250487687327463649504387032633531332352620380719242026096623711631852648926343103240777475925229376626552770208045635213913177002951394648451908434027581213065838265497067998422760155060854976985219105424114650222297606273595605754236435716990721510040917281641170714356900497324634481099359391285213573331787991728225837006887148849780397726259627291449819639485471801099920246803499739046455799747427
 . . . . . . . . . . . . . . . . . . . . [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)
							a9e4c3a0f0f1567583cb20065ed4aa8eb1702c48
 . . . . . . . . . . . . . . . . [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/tcCp3m2Gdvc'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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/YtiCGonLJr8.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189cb16372f00000403004830460221009168cdaee0e1896aa51ea54e25b202cc0749422efd7a2923b9b866f4349bd798022100f2360cee0fefbc751298d8c43a69a53bdb60fd39d583fd52f0cb83714dc98e9f007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000189cb16372a000004030046304402201517be8c486d4b76aa912cec9c337a62f9069727bc9b9f01859aa7f66b89175102205196c638403d0f3085b4b12a02a75413285bf4d25ec93a2fb6aab983867ce0e7
 . . . . [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)
		005d2eb0904f2b1b6747055f56cf889be1a332173f8333b7443b4278ed1c286c283048f4ef417a8a869c440dff64d902047ff0f130993bc9978d7ba2c05322da173c755517ad34fcc77cc72e327bf2c79fa090ddf33939d9a49754bc642e983ffa3410a5a68ab5a8644222b0612819cdb2a43c9cd989203cb7df2a8e0946243885f9b1692a5bdca70581e4a3c6840a24acfecb678db82589078765f682575266c876dcef3860d3ba39f7d675650ed6c71e6ee3dfa741e42f4fa6a100295af5cae23b3bd50326885a188f634de782815d4ec79cb40eb258ba6a042c261a94c53526f1ed1513614e0db89a56e0f507f374187f56214462c273e28f7831705da6aee4