trenerka-kristina.cz
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:d7:af:a2:33:b9:8a:e4:76:66:48:a8:dc:24:9c:96:4a:6e was issued on by Let's Encrypt.
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=trenerka-kristina.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:d7:af:a2:33:b9:8a:e4:76:66:48:a8:dc:24:9c:96:4a:6eSerial Number (int): 334731023783739037481273587663186976721518
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: d6:1d:fa:87:97:8f:5c:15:0a:d9:98:78:00:5a:39:7b:62:b6:b4:d3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 38:85:5b:bd:26:d1:d6:47:b8:63:35:01:cd:73:3a:8f:05:29:f4:55
Fingerprint (sha256): 57:d8:88:82:5b:30:d6:51:3c:8a:51:4d:94:c1:55:3b:54:c4:f0:df:05:e3:4f:e8:ee:44:02:8e:ef:24:1e:06
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate trenerka-kristina.cz
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for trenerka-kristina.cz
Public Key Algorithm
RSA
Key Size
2048
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
trenerka-kristina.cz
www.trenerka-kristina.cz
www.trenerka-kristina.cz
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trenerka-kristina.cz
trenerka-kristina.cz
Certificate
The complete raw certificate details for trenerka-kristina.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFejCCBGKgAwIBAgISA9evojO5iuR2Zkio3CSclkpuMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA0MjIxOTExMzVaFw0x OTA3MjExOTExMzVaMB8xHTAbBgNVBAMTFHRyZW5lcmthLWtyaXN0aW5hLmN6MIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxZT18rNA7c4+8KDVDVt935iD mOieZouN37jC0XNJHl917gKlEgfL6xGlPDmab+ZkBIQ4XYSJlDM/I0V04ipKy4oG zz4lAtJCecn1UfOsQzDz6weXwblVQa+dYdwxBXgxlRyd9eGLbvAEWZU4lYina3/k r1VyvDm5JkIOEX5KTg+kvy7y91uU9O2zerCRBiB4hTdcI7dSQ/kLzF3o21As6czv oapAuK4nuWDfmSFtA7L48lzJvBWw2a6Pw9GtjuWJPutaiCi9LTh+VUNd5dbHmcHm oRKBfj8d9+XiwlhlQRHwEUvb6AWcaSkA/v4cCS68Juo9pEida5iPbLwxweCVKwID AQABo4ICgzCCAn8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMB BggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTWHfqHl49cFQrZmHgA Wjl7Yra00zAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEF BQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5j cnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5j cnlwdC5vcmcvMDkGA1UdEQQyMDCCFHRyZW5lcmthLWtyaXN0aW5hLmN6ghh3d3cu dHJlbmVya2Eta3Jpc3RpbmEuY3owTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYB BAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5v cmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgB0ftqDMa0zEJEhnM4lT0Jwwr/9 XkIgCMY3NXnmEHvMVgAAAWpGrN7qAAAEAwBHMEUCIQDDUuUTvjdDRgZ8WFeaxdCe GpJEP7GM77ISY1n1vt+kTgIgRGPK8kInRT53/M4mhzCXUV0RIAKLOlCFELthonEC UoAAdgBj8tvN6DvMLM8LcoQnV2szpI1hd4+9daY4scdoVEvYjQAAAWpGrN74AAAE AwBHMEUCIHorA9hUlsR3Z2gtA9bbSgnrdgAzMEFWw7f21D6icXIAAiEAln9N4TdF ALWdFoJpwEbdL/fZADyQJju/gL56XVOdFpgwDQYJKoZIhvcNAQELBQADggEBAIBd 1icg5vKNvd/XGGEVAgw53fb8bd0Zer4ZfhY6RkvQfjoNjRtpd3hlgnsmxc8unvop HXEGesJtotWPr6ASM70LefqA7IMJhyPFfcRw5skO15ztubC2BevMGmIv5rI2Wi99 LL2hs7MObhu25lPNS7cX1HrrksMVSbvQWDadgCQEhTnA7HOB49nU2HH95Pug+2Ya 7XF/4KJeOpX7WbBsBsMNlnBkdr4aNw5RMfq7PPFCO3TKm0kq/8Tx1oaL7OmIH9Ej W1VQPTJdWcQ+dg/cg2h5xHtun46eIzbNlgvVfyWik5u/1p2tcIQ6Cm9zA75pstIr 4L5xkx0T2Ntb8OW59tg= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxZT18rNA7c4+8KDVDVt9 35iDmOieZouN37jC0XNJHl917gKlEgfL6xGlPDmab+ZkBIQ4XYSJlDM/I0V04ipK y4oGzz4lAtJCecn1UfOsQzDz6weXwblVQa+dYdwxBXgxlRyd9eGLbvAEWZU4lYin a3/kr1VyvDm5JkIOEX5KTg+kvy7y91uU9O2zerCRBiB4hTdcI7dSQ/kLzF3o21As 6czvoapAuK4nuWDfmSFtA7L48lzJvBWw2a6Pw9GtjuWJPutaiCi9LTh+VUNd5dbH mcHmoRKBfj8d9+XiwlhlQRHwEUvb6AWcaSkA/v4cCS68Juo9pEida5iPbLwxweCV KwIDAQAB -----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 334731023783739037481273587663186976721518 . . . . . . . . [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 2019-04-22 19:11:35 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-21 19:11:35 +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 'trenerka-kristina.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 24942401354241352291917433240540297363589542983112648361610925483187693123057112347184425001480178963227336432405590591403026095199799479246580075511700415941344190197256918693767096746193924311433269428324574129818788185424542882274007577537681104047974525036791763531661920269019214418825207555796704206771999363725124727817050309100561639606779990815511913037540351517189184775636915632870544598592075092468454583275317806553592097016499088234384411339263040450271778801437170683328457275150562519482610446114822489936332345857530130596353878528665919389525891005272033673839824193972568821686390932399162300339499 . . . . . . . . . . . . . . . . . . . . [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) d61dfa87978f5c150ad99878005a397b62b6b4d3 . . . . . . . . . . . . . . . . [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 (50 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'trenerka-kristina.cz' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.trenerka-kristina.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 (69 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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016a46acdeea0000040300473045022100c352e513be374346067c58579ac5d09e1a92443fb18cefb2126359f5bedfa44e02204463caf24227453e77fcce26873097515d1120028b3a508510bb61a27102528000760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016a46acdef8000004030047304502207a2b03d85496c47767682d03d6db4a09eb760033304156c3b7f6d43ea2717200022100967f4de1374500b59d168269c046dd2ff7d9003c90263bbf80be7a5d539d1698 . . . . [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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