synology.daester.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:88:34:86:30:b6:6f:08:75:8e:41:99:8d:bb:a5:b1:78:c0 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): 04:88:34:86:30:b6:6f:08:75:8e:41:99:8d:bb:a5:b1:78:c0Serial Number (int): 394797362239858026525321824804984954386624
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 52:4c:7f:ed:a4:e4:f7:74:43:6f:f4:39:10:f1:69:64:48:ee:ec:cc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 33:42:89:54:1b:7e:d9:a8:2b:96:80:41:f7:2e:87:6b:39:78:68:3d
Fingerprint (sha256): ee:07:23:42:0f:50:09:c7:d6:15:28:66:50:5c:fa:ff:f9:00:f5:b6:aa:5f:1d:4e:49:f7:01:4e:15:6e:c1:0c
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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rahel.daester.net
Certificate
The complete raw certificate details for synology.daester.net in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFiDCCBHCgAwIBAgISBIg0hjC2bwh1jkGZjbulsXjAMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAyMDUxOTMxMDJaFw0x OTA1MDYxOTMxMDJaMB8xHTAbBgNVBAMTFHN5bm9sb2d5LmRhZXN0ZXIubmV0MIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy3wKSJc6JU+hLyvXB3YvlAE2 k5KrGuBLjIgPhWDMGoI0c0c9kang2V2pE/4wQgdQ98EiXetonXkP17wOWSFeswrp xEmzSbzaCB5ZNgB7nrZHh4D7UuSIhGutjC88D7q+sulS/7f0G7S8slIIgwhettl4 Eeh6YYdec2B4udlZGV07xLGSAkBKOXgPDkMH9h4UXEbe9CeZQ3lUBnnqyhoVtlkb QhTxXZM+YhUD201XEevdpgdckZSM3XZf7b8gH2bYnIMKlPzAeGsaHqqWIGF8Aacb 0/YZz9RJKZq7h8RHpJYJ3aQro7jqU4ICQXevl4Vu8FoR7hf+RQOC7XhQFNLS7wID AQABo4ICkTCCAo0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMB BggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRSTH/tpOT3dENv9DkQ 8WlkSO7szDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEF BQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5j cnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5j cnlwdC5vcmcvMEcGA1UdEQRAMD6CE2RhZXN0ZXIuc3lub2xvZ3kubWWCEWRhdmlk LmRhZXN0ZXIubmV0ghRzeW5vbG9neS5kYWVzdGVyLm5ldDBMBgNVHSAERTBDMAgG BmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz LmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB3AOJpS64m 6OlACeiGG7Y7g9Q+5/50iPukjyiTAZ3d8dv+AAABaL9bXvEAAAQDAEgwRgIhANY1 sbRriZmxMeh2vUCfQhjjtfDhtjG6LTUORW0qsWWzAiEAsT6fQicI40ewZP1T49k7 LSaP/Yu/wSnwGWSwqsxw2XMAdQApPFGWVMg5ZbqqUPxYB9S3b79Yeily3KTDDPTl RUf0eAAAAWi/W2DpAAAEAwBGMEQCIAOnYT4VujAOZdRa2yF6MV6XQntLzNW/jE5h SuVIXaZTAiBDcjaRUYxi7K2vPvUFXxV98Msd3zM0EHIpwsJbYboVqDANBgkqhkiG 9w0BAQsFAAOCAQEAJmPUL8y/WZMZGeQ2xP00bOPRgzWTZ3zFUGUht74GrJuuLwVk iQ+ExTccYu0iK5RcdkqQJbekqyuaFX31FzB9H3JfT/b6GUZqO5EuX4sZyIHcrwV/ omsoA74qTaXgom9WfY9yJ1BH434Z06PZP48qqm1XmPnFm1dwzjiVXBYRFppOGW5v gbriTj9BRb2i+d8coksj7Ih7Fm6lNy1zjUbzqqq6yGPIK2nptcP/iTXPC7g3Y5ir Z7d1z1so3pCpqGoEU3CrAZmKTyYgAIOgZR1CHxmzrWWtvO7TCjJ7Jfp8WNgVx5/+ cY74Xjjlne1vRYcNbl1nwg12qOxJbMRuySkKRg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy3wKSJc6JU+hLyvXB3Yv lAE2k5KrGuBLjIgPhWDMGoI0c0c9kang2V2pE/4wQgdQ98EiXetonXkP17wOWSFe swrpxEmzSbzaCB5ZNgB7nrZHh4D7UuSIhGutjC88D7q+sulS/7f0G7S8slIIgwhe ttl4Eeh6YYdec2B4udlZGV07xLGSAkBKOXgPDkMH9h4UXEbe9CeZQ3lUBnnqyhoV tlkbQhTxXZM+YhUD201XEevdpgdckZSM3XZf7b8gH2bYnIMKlPzAeGsaHqqWIGF8 Aacb0/YZz9RJKZq7h8RHpJYJ3aQro7jqU4ICQXevl4Vu8FoR7hf+RQOC7XhQFNLS 7wIDAQAB -----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 394797362239858026525321824804984954386624 . . . . . . . . [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 2019-02-05 19:31:02 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-06 19:31:02 +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 25687542395715427086815942611213864253758827146971195732003214525359504833015674965488625933746846553136636403240178334665583871101969146436443662505484927749653882837302453744798394746876610826762008961789866794219584231308801580216636860289820680405147158511876811135987504620744632082723043548498712074604955427841148890306339596475833049073448730634052822594159114258711082333221247309076310813752584928913549296451719042636676950788507602161224588126871938133274050665078586244421590604174362531163820396622240187720920354787692579927394615889667559885125711529250921575414115106178760444988261648017341600158447 . . . . . . . . . . . . . . . . . . . . [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) 524c7feda4e4f774436ff43910f1696448eeeccc . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000168bf5b5ef10000040300483046022100d635b1b46b8999b131e876bd409f4218e3b5f0e1b631ba2d350e456d2ab165b3022100b13e9f422708e347b064fd53e3d93b2d268ffd8bbfc129f01964b0aacc70d973007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000168bf5b60e90000040300463044022003a7613e15ba300e65d45adb217a315e97427b4bccd5bf8c4e614ae5485da653022043723691518c62ecadaf3ef5055f157df0cb1ddf3334107229c2c25b61ba15a8 . . . . [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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