dflund.se

Issued by R3

About this certificate

This digital certificate with serial number 03:b4:c8:ec:ec:d5:e2:59:c4:d0:90:9e:97:f5:5c:4d:e2:3c was issued on by Let's Encrypt.

With 4 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=dflund.se

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b4:c8:ec:ec:d5:e2:59:c4:d0:90:9e:97:f5:5c:4d:e2:3c
Serial Number (int): 322854759625859577970561490444460445524540
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: db:a4:37:af:18:bd:b7:e9:f1:58:fc:7e:bf:4e:06:78:40:2b:4b:d1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 33:b9:49:27:9e:4b:57:e5:70:7d:ef:39:4f:9e:4d:59:7a:eb:5b:59
Fingerprint (sha256): 6e:0c:19:52:82:27:08:96:52:5f:53:d7:f4:be:2e:c6:be:34:d6:f6:f2:a6:56:e2:e5:66:f6:76:50:01:26:36

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate dflund.se

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dflund.se

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

df.lth.se
dflund.se
www.df.lth.se
www.dflund.se

Other certificates including the domain name dflund.se

(limited to 100 certificates)

Certificate

The complete raw certificate details for dflund.se in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq5vS2yiFLbO0uw4/4H/f
q61r++qeDhGFixGcUHGDjSXZSmmZ3As3JgP/qyrX7vJ82B3cHNbKIjwttJ2e5tNd
lf8nglD5QukxGG2/flL6IFwTHBnM9O3RKWFmGkDwHKcP3HuLggLvj5YNyx7W87jb
yvw0QlzqWhNsux69Xml1WmI36bcqUfDSRcQj9MHeNSADkAmHbYaTBiQRb47Fl49G
YDxmIaqoOjbePI+UCMB8H539hGUiGhmKtjVScp0x1ySo/+92KK7S2F43XvxE2VKk
o7zsQFKQbVs0tL5dwQ/n6WdrNjIjxnD1PQNcg5h3qnGFhu+2dt9yBqDEGFtvfOPN
3QIDAQAB
-----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 322854759625859577970561490444460445524540
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-24 13:34:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-23 13:34:30 +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 'dflund.se'
 . . . . . . . . [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 21663589658108269030976106767684406154317253181570633940268271546311069307034518559087352311095260180389031508014112606517370710127874678309576596645073726522832000127421395629302125316500262077462059229703768863187670387999626772962240898178178502642130828596800919837808795403066501882764920964590528015413620765792276934848867555596191852857371370066303794971677413425055370718546240230360289063148153262045607045060916449077233580291086171289499013541730914458506540074883153677179626539514538577231217555275496886851878858590601821106663818335317473141249132860460033321123276774964478945368193799441232659992029
 . . . . . . . . . . . . . . . . . . . . [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)
							dba437af18bdb7e9f158fc7ebf4e0678402b4bd1
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (54 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'df.lth.se'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dflund.se'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.df.lth.se'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dflund.se'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c9c3fb9d400000403004730450220661498386b1cc662db27255c3a103ee1dce1c98865619a7469ec0ebbe231cb22022100dd27c12bb37d5a6d88758f931b086e964d9cfefe91aec4691d2da606fd7adad5007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c9c3fb9e00000040300483046022100c426e231cda4507dbe50fa4010b6611c2beb3b58e63c61ae9601b058dce9fe160221009d3a179b175573243684a354f96bd359f4a9e93b2234b20138230bccc67b183b
 . . . . [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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