cz-test.dsdng.nic.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:f5:f5:56:0e:4d:bb:8e:48:78:b0:17:a5:b6:f0:6b:ea:39 was issued on by Let's Encrypt.
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=cz-test.dsdng.nic.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:f5:f5:56:0e:4d:bb:8e:48:78:b0:17:a5:b6:f0:6b:ea:39Serial Number (int): 345032145377520150543697365264132817545785
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 7c:46:ac:a2:64:a3:01:45:cd:1b:5b:65:4d:1f:3a:6d:e4:4d:69:2d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 0f:85:76:9d:b4:64:74:d2:be:02:67:5a:e2:16:95:16:52:12:16:4d
Fingerprint (sha256): 01:d9:a6:64:35:63:9f:c5:94:0e:b9:47:da:02:bf:77:9a:46:41:10:ea:48:07:f8:1b:42:42:f0:57:a8:ff:16
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate cz-test.dsdng.nic.cz
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for cz-test.dsdng.nic.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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
cz-test.dsdng.nic.cz
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Certificate
The complete raw certificate details for cz-test.dsdng.nic.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGCzCCBPOgAwIBAgISA/X1Vg5Nu45IeLAXpbbwa+o5MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzA2MjcxMDAwMDBaFw0x NzA5MjUxMDAwMDBaMB8xHTAbBgNVBAMTFGN6LXRlc3QuZHNkbmcubmljLmN6MIIC IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtj6OgSFCPeJSRGtvuHVOj8vw RisZlH3KLlI3+/fClkLOokaPPyuh4OF4qN2WllJvLAakaOgKA+Di738M7FLzGLZ3 JbvsFeOMzz6Xn8+RknPEnnWP5GrZD/QvsBc/iU8FoljTQ83ctfqBXwS/fZfuyGDV Il0AqwSMfCApBnaQS6XQnDL6vFrIbBHo3cX28lPzBwBp8L7rXCTrKDIghE/V+TQa F1teHos7kCmm14yqeRIodcbdwCj6UTPBiloAn2mE1vY1sLcG6rF/00s/EkSmJ5Y1 zO7fTj1Z6VI6oWxv8eerSZW7UTBNmjyCcUCQ0AXJq+nPu5uSU9Gfp0BZ0IB3mreT 1yHTv9Vy1WP6Vu7tY9pJVC/cAvemJUnna4bqXNb4IHIFer3Cw8vP+wziRgzHwcm+ 1drvv9E/yKOsmnKKmlhJsXFDzkU44xPIRebZbOuLbGNRZEYT4JGalVT9amx42/Kt whcxqA2qMZMn7yCETTolN5929ele/ofntaVBOQCVD/eUYVn4FzYRMz+G0zF9uhyb BFTW2vpQBkUIkEDrkNbmr9teIwzQwN86gbUOurYaM03tPv51mncKVIqt+ecXeBR2 WiF9TBA8tVisgo3ycKkapdXwAMkQhSCwvrQFo05RUEJl5QpdQ0KoMnj8euVIy58Y nV45BSqvPd0vWvEKBjcCAwEAAaOCAhQwggIQMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUfEasomSjAUXNG1tlTR86beRNaS0wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3 pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2Nz cC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2Vy dC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzAfBgNVHREEGDAWghRjei10ZXN0LmRz ZG5nLm5pYy5jejCB/gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMB AQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGr BggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVs aWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFu Y2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8v bGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQCS tcCcrkMth4XJGGnyWKdJKpfiGfRTFmImq3khZpDRE55OjvAj30vQhYiX6oBvDfY2 BQr7EhlCDUn4cO5kM62PseLnsgHquKIToBnQqF3D13yaEAoG0G7RyB6u3UG9ZZ5C 8bHp9dKSnsTjduVtxuiOFtCktqLv95htNYpqDXIXR8As1TF9JVRhQAQvSHZdgTFs lk9qHgtvYYpSXsH1qQNAqqcZNRLeUDHyGy2ltXhplrGlU7wqCGI6s/sfz6FCJN7s iMVNdRlgo7ahu4im9G8pgqth/j2oLhIIdEdRpfKr5HAeLpHvo5O1qFLDqULZnJQq /Gx+IR+aLLCEWXVosCo/ -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtj6OgSFCPeJSRGtvuHVO j8vwRisZlH3KLlI3+/fClkLOokaPPyuh4OF4qN2WllJvLAakaOgKA+Di738M7FLz GLZ3JbvsFeOMzz6Xn8+RknPEnnWP5GrZD/QvsBc/iU8FoljTQ83ctfqBXwS/fZfu yGDVIl0AqwSMfCApBnaQS6XQnDL6vFrIbBHo3cX28lPzBwBp8L7rXCTrKDIghE/V +TQaF1teHos7kCmm14yqeRIodcbdwCj6UTPBiloAn2mE1vY1sLcG6rF/00s/EkSm J5Y1zO7fTj1Z6VI6oWxv8eerSZW7UTBNmjyCcUCQ0AXJq+nPu5uSU9Gfp0BZ0IB3 mreT1yHTv9Vy1WP6Vu7tY9pJVC/cAvemJUnna4bqXNb4IHIFer3Cw8vP+wziRgzH wcm+1drvv9E/yKOsmnKKmlhJsXFDzkU44xPIRebZbOuLbGNRZEYT4JGalVT9amx4 2/KtwhcxqA2qMZMn7yCETTolN5929ele/ofntaVBOQCVD/eUYVn4FzYRMz+G0zF9 uhybBFTW2vpQBkUIkEDrkNbmr9teIwzQwN86gbUOurYaM03tPv51mncKVIqt+ecX eBR2WiF9TBA8tVisgo3ycKkapdXwAMkQhSCwvrQFo05RUEJl5QpdQ0KoMnj8euVI y58YnV45BSqvPd0vWvEKBjcCAwEAAQ== -----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 345032145377520150543697365264132817545785 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-06-27 10:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-09-25 10:00:00 +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 'cz-test.dsdng.nic.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 743492130138174307395791706137925338466690051857402272080950933082730052008308827987724420942526830550178550390793452082647253044984029967723643650300667773606151885497347104472761410887862377859373573131848887419151899464842475459987595673778074626171998509011882979908553124418740373060262785639416136680628560885325403628109930173428745582228646808534609670206906704070921086440172047051420711896883662070159625206612046529500617427946516509342863263072425689789727039996755480603092519253313285405719431842523839752904442023830419354367218890576587396264205953190877293979872864465397473466156587097959591245157986393884875962622219345953433870220322372170017362657692027738562552672610297668722801433939598921264502717316235871335034067345523159765540812608585256078301756620953110351136028724342586555011442965437129982991146016852773005375538293964018694850951548806625639366442319190461225192898148488260511546016238966578459559946583279636522438961229658828001772818784957577504521061533400774497984636829372630899348433847190281153134054446727023810817898985472549469861904540959593523694745511882975167784289333550756633355570261851828044680984928440127949269923546242135611377364237920919595951676506050537673359987705399 . . . . . . . . . . . . . . . . . . . . [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) 7c46aca264a30145cd1b5b654d1f3a6de44d692d . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 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.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cz-test.dsdng.nic.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 (246 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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