once.dk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ec:3c:fe:1a:b8:51:31:8c:96:d0:65:94:63:6a:82:e6:bd was issued on by Let's Encrypt.

With 2 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=once.dk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ec:3c:fe:1a:b8:51:31:8c:96:d0:65:94:63:6a:82:e6:bd
Serial Number (int): 341724569453717139900462076022910624130749
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6a:73:07:c2:b3:46:bd:29:bd:a3:af:4c:01:1e:17:38:5e:30:b6:a6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d0:65:6a:74:8e:a7:2d:43:55:ed:2e:83:ad:87:e5:84:87:00:ee:2d
Fingerprint (sha256): 00:0d:20:31:24:a6:06:2a:70:03:e3:00:3f:c0:60:c3:69:1d:13:51:31:64:e9:d6:b6:9b:b7:9e:a2:a8:b4:91

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org/

Check the revocation status for certificate once.dk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for once.dk

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

once.dk
www.once.dk

Other certificates including the domain name once.dk

(limited to 100 certificates)
once.dk
once.dk
once.dk
*.korvahertz.dk
once.dk
once.dk
once.dk
once.dk
*.once.dk
once.dk
once.dk
once.dk
once.dk
once.dk
once.dk
once.dk

Certificate

The complete raw certificate details for once.dk in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 341724569453717139900462076022910624130749
 . . . . . . . . [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 2016-06-02 10:04:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-08-31 10:04:00 +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 'once.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 874042264318843774777477902970798918240487289425172842823185869137290879920005954610794958024212335802134916302023498485231044093870609003546669180620249352191294302530179213046854664983093288117172726776571118858758506048043910993652860350564249905142016106484476242240324293102017834911285332526038967065246314228707778443934673048861538634283269326971283779028404199552044691324007985417821595828302004070703350925765215677112152602529097820157418367664093659265429554163762761179030939597636741086814177811634402624338682706538473177268416427877542278887988611675486040377555100760253633889222679800026825706732867724580176890707070186353837304212158700240278329583766202732013892193407452958804825681312618562166780254888122924737935858767141946355514381510406893836268402473414216108893829692194244591997536045904460868305475053813216759158219961862376507698451642710797837774440293729679589127244050185667710362874039250364767114176117733411150133742494030386290639150361092471489659825592386652103269237826993049029281162638491602765861772932852490586530025603182831085197950802379852195472566299084164470779928989701740067865878315675792882893965349951725217141073153262646737417188823744980624513567623722251016557075688517
 . . . . . . . . . . . . . . . . . . . . [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)
							6a7307c2b346bd29bda3af4c011e17385e30b6a6
 . . . . . . . . . . . . . . . . [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 (100 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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'once.dk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.once.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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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