dflund.se
Issued by R3
About this certificate
This digital certificate with serial number 04:ad:37:de:21:cf:02:78:76:ec:dd:62:f2:3b:7b:ed:69:53 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): 04:ad:37:de:21:cf:02:78:76:ec:dd:62:f2:3b:7b:ed:69:53Serial Number (int): 407392254119754617034087115731269344651603
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 7c:2a:24:51:a0:49:27:20:90:0f:5b:19:43:86:58:81:98:49:9a:d8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): df:8f:57:db:4e:bb:a8:fd:64:25:c1:61:b2:56:42:e9:10:67:cc:f7
Fingerprint (sha256): 4c:c3:19:9f:3c:e8:1b:ba:51:9c:04:68:68:00:4b:85:a1:7d:9d:c8:df:05:50:0c:36:92:0f:7f:39:15:b0:a4
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck 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
dflund.se
www.df.lth.se
www.dflund.se
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dflund.se
Certificate
The complete raw certificate details for dflund.se in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFBzCCA++gAwIBAgISBK033iHPAnh27N1i8jt77WlTMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAyMjIxOTUxMTlaFw0yNDA1MjIxOTUxMThaMBQxEjAQBgNVBAMT CWRmbHVuZC5zZTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANbyDxV4 Hvk1U9ZFaiZXbNWIqX4Vz/tkfR8mKpJvPWT0QZfefwY5ZJme8AKGm/C1UdOmGbSp R1cdIKRraH7WhptmrU94ruHPCpRvr6Qx3WHZXFodpuBAPhHw28Y8F6O4UxtOm5WI 7jZO7f/Nj66xdx94e9JWT6tgtzHNS7PIdfk/HOlRpdBq81nnfKqLDkl4CJtDI6D/ ddPPnnlh5TdyQ1Yti9Ty9GzI1t7sc8QB3o5MSuOo+ziNdNUtHPdA5kgraIDdoa/v Hd/TiehNeAEB7p8d4lCVO/RXOmjYcE2bBTCBxuWBw9XDmRA9Muzt4vIw6ATiE1rx YeqKgZhXoiPQUikCAwEAAaOCAjMwggIvMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU fCokUaBJJyCQD1sZQ4ZYgZhJmtgwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+v nYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5s ZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wPQYD VR0RBDYwNIIJZGYubHRoLnNlgglkZmx1bmQuc2WCDXd3dy5kZi5sdGguc2WCDXd3 dy5kZmx1bmQuc2UwEwYDVR0gBAwwCjAIBgZngQwBAgEwggEDBgorBgEEAdZ5AgQC BIH0BIHxAO8AdQDuzdBk1dsazsVct520zROiModGfLzs3sNRSFlGcR+1mwAAAY3S lkYXAAAEAwBGMEQCIFqngOD4d7SSBp70PiiVhN9ZCxcL+6L/izgFE8sSpRk2AiAJ H7WLETho2yqNBRM5PHzyQh9gBGVJ3vyVf2fBSRFx5wB2AEiw42vapkc0D+VqAvqd MOscUgHLVt0sgdm7v6s52IRzAAABjdKWR5sAAAQDAEcwRQIhAPWa3Dqeu6L7Dis+ XS8E8Tq1KOBiWjPo/NDlzA9we9LiAiAWU/6k3cxQi0zK9BuecVFFYiAYLJGTHu9X OFpPHoJwmDANBgkqhkiG9w0BAQsFAAOCAQEAVJ08+h2vjQMHac3XKKY6cYZmHKgm lFvNJQdeTTMgxJhNj0xLLH1bRsOOUwRZmA97uTXjbI9PYPO0gC+FVhGaicMgOszv tlQw8ff80GXSjxv6LrUz53TB9SV/B/+4kbpKbQWWUzQ26wINcx99pzHke0JB/OIA 57bsPVynI7f9eiMz0WqyaeDW/rJruxzBA9FCg0KKZA01r5jnvPHJbKagnrZdxxhU 0i/8pEFzpp+VBBtLKbfIUhzolckxx15sSgzSufZVV0sbSukTzCZjEfYI5IqdR1rJ sb312S4/O+Q1oCXx0SQhKjVXgL65w6jKTu82ehoVRy3apEV955L9Oegw9w== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1vIPFXge+TVT1kVqJlds 1YipfhXP+2R9HyYqkm89ZPRBl95/BjlkmZ7wAoab8LVR06YZtKlHVx0gpGtoftaG m2atT3iu4c8KlG+vpDHdYdlcWh2m4EA+EfDbxjwXo7hTG06blYjuNk7t/82PrrF3 H3h70lZPq2C3Mc1Ls8h1+T8c6VGl0GrzWed8qosOSXgIm0MjoP9108+eeWHlN3JD Vi2L1PL0bMjW3uxzxAHejkxK46j7OI101S0c90DmSCtogN2hr+8d39OJ6E14AQHu nx3iUJU79Fc6aNhwTZsFMIHG5YHD1cOZED0y7O3i8jDoBOITWvFh6oqBmFeiI9BS KQIDAQAB -----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 407392254119754617034087115731269344651603 . . . . . . . . [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 2024-02-22 19:51:19 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-22 19:51:18 +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 '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 27134360965597568196904852488796879412804677948947357926371409821431382933448906466132403431100342713075637312095139213214068233520361122077526734659311990917039535930976545290850237992973821119273556269251345535449411331358178261000985920756185308860885637937256947742990355507740189027466232846550519568385838982070047103252826150239641963795263391997276521126159228404708566404756799971032298504453655584516370014289844914497051878497740607469099589868472738310313450797950495364566847548838911662010478850043566727327644076237686409206785504834854895995880426586040739677098642114186491716469131608305894098489897 . . . . . . . . . . . . . . . . . . . . [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) 7c2a2451a0492720900f5b194386588198499ad8 . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018dd2964617000004030046304402205aa780e0f877b492069ef43e289584df590b170bfba2ff8b380513cb12a519360220091fb58b113868db2a8d0513393c7cf2421f60046549defc957f67c1491171e700760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018dd296479b0000040300473045022100f59adc3a9ebba2fb0e2b3e5d2f04f13ab528e0625a33e8fcd0e5cc0f707bd2e202201653fea4ddcc508b4ccaf41b9e7151456220182c91931eef57385a4f1e827098 . . . . [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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