caslin2013.techlib.cz
Issued by R3
About this certificate
This digital certificate with serial number 04:5e:61:a9:d8:6e:23:67:7a:a9:80:f6:15:09:e2:5b:a8:1e 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=caslin2013.techlib.cz
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:5e:61:a9:d8:6e:23:67:7a:a9:80:f6:15:09:e2:5b:a8:1eSerial Number (int): 380565503221095960716882261436117118855198
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: d2:5d:d7:1f:94:96:6d:d6:5c:2d:67:61:f4:8e:75:1e:84:d2:8a:23
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 09:01:8a:a1:b6:31:6a:8c:24:4c:16:bd:20:5a:00:21:fb:7b:7f:d7
Fingerprint (sha256): 34:19:59:0f:fc:cd:16:ab:16:3b:bd:3a:a9:55:b3:35:bb:be:3e:ce:50:6d:95:d2:9d:dd:20:eb:c9:28:e2:a6
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate caslin2013.techlib.cz
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for caslin2013.techlib.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
caslin2013.techlib.cz
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Certificate
The complete raw certificate details for caslin2013.techlib.cz in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFLzCCBBegAwIBAgISBF5hqdhuI2d6qYD2FQniW6geMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzA0MTQyMTAxMTJaFw0yMzA3MTMyMTAxMTFaMCAxHjAcBgNVBAMT FWNhc2xpbjIwMTMudGVjaGxpYi5jejCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC AQoCggEBANeObJIsZbM2diYKeG4Hz44ZhVPkvP7O+YDRXJ1oNl1v1WRkEDDNi4IK 3E+oISVhb90eX5/othJRODn1Ic1miAEFW8s3zx8WtBg64AXuDiVNqkIkDvsDMjjh lZAWq78H8tVmbKPaqnyIWEJIKVb0E4PEkbVxxXB2emsfoihN6PdoIySGlTRVUdve gYMKRDr3SwxMXt0cbe6VJ5MIvB/ZCeXzEchqL+ONlG8zu389HqVvoe9JO5A2II45 KMu3foFnDf4fW0OwQdAJvNufTGu6Pejo4kRH1Dii5rY6PGvrHI3dkllAh5qMAnmj oQA6s56WZ0KnDb/ogVjSFB90CyZd+Q0CAwEAAaOCAk8wggJLMA4GA1UdDwEB/wQE AwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIw ADAdBgNVHQ4EFgQU0l3XH5SWbdZcLWdh9I51HoTSiiMwHwYDVR0jBBgwFoAUFC6z F7dYVsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVo dHRwOi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxl bmNyLm9yZy8wIAYDVR0RBBkwF4IVY2FzbGluMjAxMy50ZWNobGliLmN6MEwGA1Ud IARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0 dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDv AHUAejKMVNi3LbYg6jjgUh7phBZwMhOFTTvSK8E6V6NS61IAAAGHgclmwgAABAMA RjBEAiAViRPONr/08NENB4+owFIN3Arm8WyO/NWfHqss8NZ2CQIgKlU8ySICAj3y B91p7rBRvUH1pZOJX3vJ5COf3zUWTswAdgCt9776fP8QyIudPZwePhhqtGcpXc+x DCTKhYY069yCigAAAYeByWblAAAEAwBHMEUCIC7acQI9nfAXD6Z5SN6NtjjwAGGg 6KHAr0VyFdEhoXHbAiEApV7jJ6AgQdSFY6EiYN32RXG6x4S+mdC4/uch6g/db2ow DQYJKoZIhvcNAQELBQADggEBAJAbSu1EE9YNpiypoHfVvTxW92pMQF9ZJcST0y93 U8BHJUJBnyAhY8C6XRwCm+f+43u8Bsp7HISR2MT2FwUrFV1RvRM1N6Z7cTxPMJGD 0jAKV0IjAn1Z7rPkH4EUH/cTYkhnRk9nEjSlPYO9cI0Lo7qN1I1o2AYsqhozIX4v 0OMdETCB9N20JBhVMoiwEljRWYjLsoRLYOgoKvTFf+UsmCRuiNcuMTVePHk6w+wk /bUX+KBCWZW7U+hChMcNF+Rq4ILYKvibgZlJAEzSANnwtbqW4OiuFveAG2hElX8U bthpaCfCaLSk4WZsBMboiOCMyGJNVzSWRMjIyHKGXuOJeBo= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA145skixlszZ2Jgp4bgfP jhmFU+S8/s75gNFcnWg2XW/VZGQQMM2LggrcT6ghJWFv3R5fn+i2ElE4OfUhzWaI AQVbyzfPHxa0GDrgBe4OJU2qQiQO+wMyOOGVkBarvwfy1WZso9qqfIhYQkgpVvQT g8SRtXHFcHZ6ax+iKE3o92gjJIaVNFVR296BgwpEOvdLDExe3Rxt7pUnkwi8H9kJ 5fMRyGov442UbzO7fz0epW+h70k7kDYgjjkoy7d+gWcN/h9bQ7BB0Am8259Ma7o9 6OjiREfUOKLmtjo8a+scjd2SWUCHmowCeaOhADqznpZnQqcNv+iBWNIUH3QLJl35 DQIDAQAB -----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 380565503221095960716882261436117118855198 . . . . . . . . [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 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-04-14 21:01:12 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-13 21:01:11 +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 'caslin2013.techlib.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 27211467511670281864548596388809882433865862860379164568279764228122297476254403139206912426399742738920660922909283654358792651865941905141938472520942973016917866138334146806933779739481658151965903151547861740619129354808044880177945620329627774042735559099632899513778081823518096825996141822620241530395441935450763694349972923282166586889692036759901795642287343667765613605906146883998427528654702221606574224002895654942955793403534421935380674660120202629205154956549286965342060445098178967214114655411526089461620983319785199250544237263773504337499223984740673556850652611993214348450260231202636899940621 . . . . . . . . . . . . . . . . . . . . [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) d25dd71f94966dd65c2d6761f48e751e84d28a23 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (25 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'caslin2013.techlib.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018781c966c200000403004630440220158913ce36bff4f0d10d078fa8c0520ddc0ae6f16c8efcd59f1eab2cf0d6760902202a553cc92202023df207dd69eeb051bd41f5a593895f7bc9e4239fdf35164ecc007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018781c966e5000004030047304502202eda71023d9df0170fa67948de8db638f00061a0e8a1c0af457215d121a171db022100a55ee327a02041d48563a12260ddf64571bac784be99d0b8fee721ea0fdd6f6a . . . . [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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