www.fern.dk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:99:fc:c6:a2:ba:b8:ff:e2:eb:d3:61:e1:10:b2:5e:1c:8e 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=www.fern.dk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:99:fc:c6:a2:ba:b8:ff:e2:eb:d3:61:e1:10:b2:5e:1c:8eSerial Number (int): 313736056764444162154330168245799282941070
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 3c:74:b8:26:64:99:9f:53:78:46:0c:10:05:b3:08:1a:a6:51:2d:c0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b9:06:5c:92:b4:7e:15:7e:83:06:42:7b:32:1a:c6:4d:85:15:5a:14
Fingerprint (sha256): ea:26:71:aa:99:4b:70:d2:ca:1f:0b:75:61:ee:86:28:8a:42:b6:c8:48:88:28:ad:32:fc:9a:5c:bf:08:80:41
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.fern.dk
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.fern.dk
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
www.fern.dk
www.oz6bl.dk
www.sumeria.dk
www.oz6bl.dk
www.sumeria.dk
Other certificates including the domain name fern.dk
(limited to 100 certificates)
www.fern.dk
www.oz6bl.dk
www.fern.dk
www.fern.dk
www.oz6bl.dk
www.fern.dk
www.fern.dk
www.oz6bl.dk
www.fern.dk
www.fern.dk
www.sumeria.dk
www.fern.dk
www.sumeria.dk
www.fern.dk
www.oz6bl.dk
www.fern.dk
www.baggerastro.dk
www.baggerastro.dk
www.fern.dk
www.fern.dk
www.oz6bl.dk
www.fern.dk
www.fern.dk
www.oz6bl.dk
www.fern.dk
www.fern.dk
www.oz6bl.dk
www.fern.dk
www.fern.dk
www.oz6bl.dk
www.fern.dk
www.fern.dk
www.sumeria.dk
www.fern.dk
www.sumeria.dk
www.fern.dk
www.oz6bl.dk
www.fern.dk
www.baggerastro.dk
www.baggerastro.dk
www.fern.dk
www.fern.dk
www.oz6bl.dk
www.fern.dk
www.fern.dk
Certificate
The complete raw certificate details for www.fern.dk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGITCCBQmgAwIBAgISA5n8xqK6uP/i69Nh4RCyXhyOMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODEwMDEwNzA1MThaFw0x ODEyMzAwNzA1MThaMBYxFDASBgNVBAMTC3d3dy5mZXJuLmRrMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwtzT4g1oiAD1CpxCDQUayAQdRQ7l/zIUOKNg CGyafEFihmcBA78NV7dgqbFFkTOu26Xt7Q87k0IgJHWm/8QkOlFpPjuAgosdpMLI WcI4vySkeXjZU2KYxWqd51vJCTtOGHQ/eYb742/uuj/8Xj+oDXLxoW37Oop31UDC inhVhXofBHWBvIED4zKK1HwwibphgiIdj6bnINvQO5Z+4HcV519wQ70JO4xWGHNx eRrc8TqnURJGOb8UFUoGsS9+58kZ8sUMaZ4DjiPUvxQtAAidH+0j72LMDFZd4rOb 8RQdGezFbMeg3Z8TdxBtEDnR5WFQv8SwtAPhAJEd2FngEbY7gQIDAQABo4IDMzCC Ay8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD AjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQ8dLgmZJmfU3hGDBAFswgaplEtwDAf BgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEw LgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcw LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcv MDQGA1UdEQQtMCuCC3d3dy5mZXJuLmRrggx3d3cub3o2YmwuZGuCDnd3dy5zdW1l cmlhLmRrMIH+BgNVHSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB 1jAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwgasGCCsG AQUFBwICMIGeDIGbVGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQg dXBvbiBieSBSZWx5aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3 aXRoIHRoZSBDZXJ0aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRz ZW5jcnlwdC5vcmcvcmVwb3NpdG9yeS8wggEGBgorBgEEAdZ5AgQCBIH3BIH0APIA dwBVgdTCFpA2AUrqC5tXPFPwwOQ4eHAlCBcvo6odBxPTDAAAAWYuqP4qAAAEAwBI MEYCIQDnvIVje9SYbUIs257Ex1lXFdZp1vltkTEw9db0PDcPFgIhAOuVDm0F3Opz ndDgBltqTb2kqXbH4T179xN4eSF/JrkrAHcAKTxRllTIOWW6qlD8WAfUt2+/WHop ctykwwz05UVH9HgAAAFmLqj95wAABAMASDBGAiEApo740ohaDDlx+CTYgxI3zGTf Uwh/z8l6zbydciUbsXICIQC91WKIsVlYFBJ6douQpOxq7sMauXE9mAOxxFt0RJhe 5zANBgkqhkiG9w0BAQsFAAOCAQEAV/xfNkqColi32l9NtXtaWrUd+6VvJJ6FCQkd QJOT8xlSqhyvtC+e5V1STs4X0/xwfjQDmUOj3j921t/fM6QrPU1V5B7wOvkBYnQD M5fSbjEqbESYuKrlT7J4axWJ/oxh7Vn0MlQYwYl4jYVII3x6pksnfQU/2Qb1B+Jb cj5bemETBWmSRemrkzgqXQIybMrVdDHeD47GUB4vSyMMaUqMopm9jLDwo58oRYLk xZ4C2h7uMbGUBq5eWjoDtBPAtZQmqNI2TPkiQH5IrlWZTO+dwj7Q4asE4nFd2nSa pzhlwsAZDq4EL/1N/6ezLsKvuN//OngLId9Nc4R+yrP2QwtMXw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwtzT4g1oiAD1CpxCDQUa yAQdRQ7l/zIUOKNgCGyafEFihmcBA78NV7dgqbFFkTOu26Xt7Q87k0IgJHWm/8Qk OlFpPjuAgosdpMLIWcI4vySkeXjZU2KYxWqd51vJCTtOGHQ/eYb742/uuj/8Xj+o DXLxoW37Oop31UDCinhVhXofBHWBvIED4zKK1HwwibphgiIdj6bnINvQO5Z+4HcV 519wQ70JO4xWGHNxeRrc8TqnURJGOb8UFUoGsS9+58kZ8sUMaZ4DjiPUvxQtAAid H+0j72LMDFZd4rOb8RQdGezFbMeg3Z8TdxBtEDnR5WFQv8SwtAPhAJEd2FngEbY7 gQIDAQAB -----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 313736056764444162154330168245799282941070 . . . . . . . . [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 2018-10-01 07:05:18 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-30 07:05:18 +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 'www.fern.dk' . . . . . . . . [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 24599125345065421005407216664837831699565240950861096024311920925786104489366794331600202602676149711829243863088694832897980044317479249817561386977910590085706899438673396102816138732284967387460761392229784104801758356809091764447729697520277566227618045112489409015199257433007251575468692296201498781718698142131576909067899135441007506987695525517552281801593496715948634785325291084127941391160267588389731962691590152347876293129522628684983043596431643943892960816702112931777959674293269183063902174915672005858361997777580990027190268933286091542218709073612106018795722313686143649998194029537645762591617 . . . . . . . . . . . . . . . . . . . . [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) 3c74b82664999f5378460c1005b3081aa6512dc0 . . . . . . . . . . . . . . . . [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 (45 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.fern.dk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.oz6bl.dk' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sumeria.dk' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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 (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f20077005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c000001662ea8fe2a0000040300483046022100e7bc85637bd4986d422cdb9ec4c7595715d669d6f96d913130f5d6f43c370f16022100eb950e6d05dcea739dd0e0065b6a4dbda4a976c7e13d7bf7137879217f26b92b007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001662ea8fde70000040300483046022100a68ef8d2885a0c3971f824d8831237cc64df53087fcfc97acdbc9d72251bb172022100bdd56288b1595814127a768b90a4ec6aeec31ab9713d9803b1c45b7444985ee7 . . . . [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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