synology.daester.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:a8:0f:b4:c2:ef:af:38:32:4f:de:c2:53:78:90:73:dc:ed 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:a8:0f:b4:c2:ef:af:38:32:4f:de:c2:53:78:90:73:dc:edSerial Number (int): 405637458356907180218898765799900048514285
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 15:4d:78:90:13:4f:44:2b:b1:03:d8:65:79:76:3b:0d:6a:f5:42:58
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): de:dc:24:cf:92:cc:83:46:84:04:0e:bd:d9:11:64:86:8e:c4:ea:d2
Fingerprint (sha256): 8c:d2:dd:9e:e0:05:7c:2d:81:9b:46:3d:40:fa:30:fa:b9:8b:39:0b:6b:56:03:ec:b2:e5:6e:3f:0f:ca:24:d4
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+gAwIBAgISBKgPtMLvrzgyT97CU3iQc9ztMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODEyMDMyMTUwNDZaFw0x OTAzMDMyMTUwNDZaMB8xHTAbBgNVBAMTFHN5bm9sb2d5LmRhZXN0ZXIubmV0MIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7RdeHn5fCuZaf8B16CyXxpyD ssY0rs9RW2WqxKiu+2E287YAPD7JmCaJpfc0XUZ+Weu6BSVZKKu5fuvg+f8Lr80x njK4U1KT8k9MiPkvbtZbpAzR9tqzsn+AwXsn143piHPLwJE8NjIKhWF1gP6ywyH4 s7djS3FOhn4Vt5YXdd53KSTFR3h8jzi6gdfCdWqPp1nhz9sOvadNZKADhYCXD+Zk 4fr/1Ny+j4HdZlPwrxxVF94ZNTvfoLX55c17SYbZwqOPc/kmSF0rQEdJCksd/XoF zby5DAXeTv8w04xbMmGCpAIr8LcoLyzz0edUfilvCxeEQHCjE26/i+2CmNRjOQID AQABo4ICkDCCAowwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMB BggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQVTXiQE09EK7ED2GV5 djsNavVCWDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEF BQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5j cnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5j cnlwdC5vcmcvMEcGA1UdEQRAMD6CE2RhZXN0ZXIuc3lub2xvZ3kubWWCEWRhdmlk LmRhZXN0ZXIubmV0ghRzeW5vbG9neS5kYWVzdGVyLm5ldDBMBgNVHSAERTBDMAgG BmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz LmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1AOJpS64m 6OlACeiGG7Y7g9Q+5/50iPukjyiTAZ3d8dv+AAABZ3ZES1IAAAQDAEYwRAIgdnHd uz1ubX+ln1zmDHScydec7/5lQDQWFC6TKON6ScgCIGVo3LW+BG2qQ0FIRlObWGfp FMUnZwXh6IitRmkijJEXAHYAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH 9HgAAAFndkRLVQAABAMARzBFAiB3t5PXRlUzYzj73GkB+h7nkxVyVg/V/3B3p17x Hbp25QIhAO5/CodUbgEZlgLg1H9NBJRlyoHMYuWxRGRL1w7ylHhhMA0GCSqGSIb3 DQEBCwUAA4IBAQCKuR1Vd91XTmm4TugZI1Qsnj9Wd3uAT7XXesXB3bIDE4vTai5i 8nlU0kBp2vttqmS97f8TUQKBikS6w1uAEuwunnEG3nbfyg9dwGIeqF09p6zQLqmb 7YWTrkKC2IL5cjDILvjAmdJtWBVu18h4q/Z03oitr5N2EAHD5X4PXVzEd0K0yOiF Qyx/RO5vzUpXmt6mniZ9P0u7EWCnoWxsFU4nqwcbC2R4vt/WVmEfarL2fxxdl1l0 lZcGUutVQTKVJL+f6Ayok7OB/CtRqCzqMmE/SnMDo8sVLfGN/E7pkP8pCcBe3jm9 bz4D2Uv/QbeFvlRQNd7K8KqZqUY9CdxmTNEt -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7RdeHn5fCuZaf8B16CyX xpyDssY0rs9RW2WqxKiu+2E287YAPD7JmCaJpfc0XUZ+Weu6BSVZKKu5fuvg+f8L r80xnjK4U1KT8k9MiPkvbtZbpAzR9tqzsn+AwXsn143piHPLwJE8NjIKhWF1gP6y wyH4s7djS3FOhn4Vt5YXdd53KSTFR3h8jzi6gdfCdWqPp1nhz9sOvadNZKADhYCX D+Zk4fr/1Ny+j4HdZlPwrxxVF94ZNTvfoLX55c17SYbZwqOPc/kmSF0rQEdJCksd /XoFzby5DAXeTv8w04xbMmGCpAIr8LcoLyzz0edUfilvCxeEQHCjE26/i+2CmNRj OQIDAQAB -----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 405637458356907180218898765799900048514285 . . . . . . . . [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 2018-12-03 21:50:46 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-03 21:50:46 +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 29930001296018395999831014945664721768207940758701881062963995439004232415043440840582177551341768073209219980427907651555540605328434989187692857792289555760440551809479468492532072489782202968693315277047623840484902589223617091427020871782922727456490400470901309963086629854441180688730515681182444178136876521952157906286677085125658530330790053076032876163663275711869249397596710478478642913981510984600430899555966564222073482834880255745139706556654992839210242200125610565539449452022104843327491261756160649902137275031910116528227181165629499471879063283325137672287986241063510931997638700620306669921081 . . . . . . . . . . . . . . . . . . . . [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) 154d7890134f442bb103d86579763b0d6af54258 . . . . . . . . . . . . . . . . [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) 00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016776444b52000004030046304402207671ddbb3d6e6d7fa59f5ce60c749cc9d79ceffe65403416142e9328e37a49c802206568dcb5be046daa43414846539b5867e914c5276705e1e888ad4669228c9117007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016776444b550000040300473045022077b793d74655336338fbdc6901fa1ee7931572560fd5ff7077a75ef11dba76e5022100ee7f0a87546e01199602e0d47f4d049465ca81cc62e5b144644bd70ef2947861 . . . . [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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