korkortnu.se

Issued by R3

About this certificate

This digital certificate with serial number 03:0e:4c:39:8b:b8:de:86:90:c3:94:04:1e:60:3d:b3:c2:e4 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:
  • 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=korkortnu.se

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:0e:4c:39:8b:b8:de:86:90:c3:94:04:1e:60:3d:b3:c2:e4
Serial Number (int): 266202131054676253681950006908779635131108
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b9:29:4d:0a:ad:66:f0:8c:b5:ff:5d:9b:89:57:62:0a:f0:16:b8:c5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 68:7f:0a:55:ce:fe:26:df:fa:38:46:71:e9:b8:2f:f0:93:a3:a0:e5
Fingerprint (sha256): c0:f4:a4:e4:55:d4:a7:fc:29:e2:de:da:83:5c:bf:f5:cd:f1:44:e6:97:7c:e8:02:48:c9:8e:b3:8e:06:12:aa

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

Revocation information

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

Check the revocation status for certificate korkortnu.se

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for korkortnu.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

korkortnu.se
webmail.korkortnu.se
www.korkortnu.se

Other certificates including the domain name korkortnu.se

(limited to 100 certificates)
img.korkortnu.se
korkortnu.se
img.korkortnu.se
korkortnu.se
korkortnu.se
korkortnu.se

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuUCuh7xhNKouieaREQ0k
qUuT1LH34cHrXLD3bey4aMAQqYxEUEwbmoURR9399lKPcoauyLRBrTq2XRlHNYke
rB3lsKpvqyXGE5AruAmj9UdtGmOc3LlR/Q0whfBnvz8AUs4BJ1k5wrBn579oajMk
GGuVsIj95FHCMarx7oWj5NDiiM7JHfeZ+rCPz5/GSZWmCUukZTlkcyrnC0TJHLWu
jMDmbccz/TVBkDSLXmZpC+tKAVsCcYIN9HqChICNCP7snoIT6DMZLhevwL92rOGB
HmralPCMAgs/N7REBMw4C07x5FGgzqscGHcY5ABJGqN2h4DaDdvmBa+7M+fH+1KH
LQIDAQAB
-----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 266202131054676253681950006908779635131108
 . . . . . . . . [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 2024-03-25 17:22:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-23 17:22:26 +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 'korkortnu.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 23385982182689875213339563803554657863260504408013836990004886948562721312607714228571843178313705868542149978031137136019843423163655652908334290967423097046325746659576294267069671030448001099554065315112369245822472606130624298664498337771183077847155063938733581126246463602281520355577171235564717817429652107017383232899432348571390319061842241225274347370133018563701822270427539823578722394175232352271613489460358965273203230083881830668866369316880335761154836594108457375562641027636518625808760753762819924507061777631547198310479775731304525604456403820030341744858891077973855256428151723242174268213037
 . . . . . . . . . . . . . . . . . . . . [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)
							b9294d0aad66f08cb5ff5d9b8957620af016b8c5
 . . . . . . . . . . . . . . . . [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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'korkortnu.se'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.korkortnu.se'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.korkortnu.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e76d979780000040300483046022100b5d3394065ce7f78a5b73b77ba884151cd6f89cd0205a25fdf49113a36d0c606022100cc10bf1619133d21111c2a7f9ba7d60d5e4596690560ec999cdd00b4972b1bc8007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e76d9798c000004030046304402205252c6f5817766a6100fb44a166323be7d10b71f638ca9bb2e302c4eb7a2458a02207f9ad5ff00944771979c7d7fc7fe8c587c99d3eca7a9488d1d8d274a15a3d389
 . . . . [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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