synology.daester.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:43:1b:a8:c7:29:0d:e9:54:6a:17:71:e3:29:38:d9:49:34 was issued on by Let's Encrypt.
With 3 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=synology.daester.net
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:43:1b:a8:c7:29:0d:e9:54:6a:17:71:e3:29:38:d9:49:34Serial Number (int): 371284827811954461391398421337364271548724
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 95:39:15:f1:18:fd:d0:22:b2:f2:84:1b:61:e6:f3:6e:ef:a4:ac:6b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 39:c7:f3:3a:4f:ec:7a:b1:17:2e:45:05:5b:89:74:31:03:9e:22:79
Fingerprint (sha256): d8:a8:2f:3e:a3:f8:70:72:6d:62:f5:f6:9e:cc:26:17:34:27:ab:fa:87:42:77:e2:35:f2:60:16:cc:5a:97:d9
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate synology.daester.net
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for synology.daester.net
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
daester.synology.me
david.daester.net
synology.daester.net
david.daester.net
synology.daester.net
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Certificate
The complete raw certificate details for synology.daester.net in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFhzCCBG+gAwIBAgISBEMbqMcpDelUahdx4yk42Uk0MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MTkyMDA0MjFaFw0x OTA5MTcyMDA0MjFaMB8xHTAbBgNVBAMTFHN5bm9sb2d5LmRhZXN0ZXIubmV0MIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1tybbmMEHblLaPepup9tFnZk gvjW8/k4dqHpu2SbT49k3ONXbj/X3+YXRC4h/B5fgXze1aml687LOyIKNFxQEh65 z5jRduOY7aYLLjEAHkVH2wIHMG7m0qjzaYaernTfX17wX0kXpA+l4INryq67QJ6P Afoq1299nLwNHdPFgJp0/b98NunT1kUnHAT/ms9AZ0m4ZhYw2VyUiMRbQN8tM8en LUF62lUPrQI7wRowD6pyTeXURfI6nIznzfqli41foOuAGgQztXaFVfOTlWFMB7ZZ PosEOR6wGoXrgw+gCE3wqI23zOEPjNpWqxvpEz7o1QsrcZt0DBuosH6aUBwG8QID AQABo4ICkDCCAowwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMB BggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSVORXxGP3QIrLyhBth 5vNu76SsazAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEF BQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5j cnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5j cnlwdC5vcmcvMEcGA1UdEQRAMD6CE2RhZXN0ZXIuc3lub2xvZ3kubWWCEWRhdmlk LmRhZXN0ZXIubmV0ghRzeW5vbG9neS5kYWVzdGVyLm5ldDBMBgNVHSAERTBDMAgG BmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz LmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1AG9Tdqwx 8DEZ2JkApFEV/3cVHBHZAsEAKQaNsgiaN9kTAAABa3GOBQ0AAAQDAEYwRAIgd32B l24ff5QeOuCKANvo0zKYA5P7SuzpmjUbbMcJslMCIFqXS5f1VydUb4/6NkmQdjKz JhUK6Iz80fD+UqyshahrAHYAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH 9HgAAAFrcY4E6AAABAMARzBFAiBK2ZJ81pmRTeEow73Woz/lX30isTyir8yI72uk cDo/UgIhAIEXRReoXJ6lCSMbqjmAsZOfUsqD7+3YY/U9X/FnsNsBMA0GCSqGSIb3 DQEBCwUAA4IBAQBMfyt6BXlsMtk0KTCu8LdNHRgJxRu0/BEYPBCIAofeaZe8Fkfu FEMBEZLf5xZ53HygVE/oAKAdq9lzc6HsVhlKD7wl1ddOvcAf2/b14wWgXhzTygL0 dcn4vZD4EncUKapx2qMkfd/YJ7QkU770WWqKIVGRL/jutdrhhwgarxRqRfSuqidq M8SoPUvDtTdI/LhSsn2pKe4Iy1KLsI3qZnjOAmz3MqZRmbp/3lF+yrDeQh7Y4iFe hOiojtROCNXwV8daD1Zq6ilQpl+W/mLkxnv9aHR8uudaHiwkQDm0/BkatZ/OrpI4 rqeYqUZtByPRgimN0d/thmX1/2iubGCBlXgj -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1tybbmMEHblLaPepup9t FnZkgvjW8/k4dqHpu2SbT49k3ONXbj/X3+YXRC4h/B5fgXze1aml687LOyIKNFxQ Eh65z5jRduOY7aYLLjEAHkVH2wIHMG7m0qjzaYaernTfX17wX0kXpA+l4INryq67 QJ6PAfoq1299nLwNHdPFgJp0/b98NunT1kUnHAT/ms9AZ0m4ZhYw2VyUiMRbQN8t M8enLUF62lUPrQI7wRowD6pyTeXURfI6nIznzfqli41foOuAGgQztXaFVfOTlWFM B7ZZPosEOR6wGoXrgw+gCE3wqI23zOEPjNpWqxvpEz7o1QsrcZt0DBuosH6aUBwG 8QIDAQAB -----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 371284827811954461391398421337364271548724 . . . . . . . . [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 2019-06-19 20:04:21 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-17 20:04:21 +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 'synology.daester.net' . . . . . . . . [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 27123782704428270629935158441569445988219977506718835896157093623333023357451644178554135074273918508519954475622034879300331999337465480490552736879916000075001993415154365440985979146716278411187274831957260142597823932558802900954829541289111564850419286021170291538451075626948027431294539926259424516778347489516966917935075848752322918751615282032053987759087427980382033681027832155305903750101607293169656805032580753591717694851189128047650048270517428322319685237927388632918630370815854341380326532264847507069971249557560025431193361391749838734528983234750885196511641826495285395045789583354569208628977 . . . . . . . . . . . . . . . . . . . . [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) 953915f118fdd022b2f2841b61e6f36eefa4ac6b . . . . . . . . . . . . . . . . [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 (64 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'daester.synology.me' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'david.daester.net' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'synology.daester.net' . . . . . . . . . . . . . . . . [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) 00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016b718e050d00000403004630440220777d81976e1f7f941e3ae08a00dbe8d332980393fb4aece99a351b6cc709b25302205a974b97f55727546f8ffa3649907632b326150ae88cfcd1f0fe52acac85a86b007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b718e04e8000004030047304502204ad9927cd699914de128c3bdd6a33fe55f7d22b13ca2afcc88ef6ba4703a3f5202210081174517a85c9ea509231baa3980b1939f52ca83efedd863f53d5ff167b0db01 . . . . [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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