discourse.zmc.at

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4c:a2:5f:aa:46:f9:82:6b:aa:18:4d:08:9c:0d:f2:13:a9 was issued on by Let's Encrypt.

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=discourse.zmc.at

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4c:a2:5f:aa:46:f9:82:6b:aa:18:4d:08:9c:0d:f2:13:a9
Serial Number (int): 287414149338423603776138747564694160151465
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: da:30:35:8a:58:61:58:30:a3:13:0f:1a:c9:dd:f3:f8:06:f2:d3:ad
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4b:b8:05:a0:68:28:66:49:5a:70:73:18:62:a8:39:2e:57:c3:7e:65
Fingerprint (sha256): 33:36:26:96:d0:62:ee:d6:39:57:f8:99:df:1f:5b:c5:82:78:2e:be:b9:cf:f6:ea:6f:e0:03:d1:c0:0f:3f:d3

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 discourse.zmc.at

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for discourse.zmc.at

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

discourse.zmc.at

Other certificates including the domain name zmc.at

(limited to 100 certificates)

Certificate

The complete raw certificate details for discourse.zmc.at in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGBDCCBOygAwIBAgISA0yiX6pG+YJrqhhNCJwN8hOpMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjEwMjkyMzAwMDBaFw0x
NzAxMjcyMzAwMDBaMBsxGTAXBgNVBAMTEGRpc2NvdXJzZS56bWMuYXQwggIiMA0G
CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCuL/JRuLMO9hBmVfzuIwwzHeWlSXWI
H8lrpbXiAoQzfvGPmV2iVSbZylz84f4uqkGTURMa00z/z650YVxSnN4abewVlr/p
KwEusbL3TOUBY6muqT93MzvEx8mbRhJ1i9QOh7HaJ2wmjFXoeZk4APKgBZfyW+RY
bHdXNDDh/YYugQtqjPu5PIdUoTVJbrzmDrPlcYaprwD5ArFNoxkq5lrYsWkYbZwe
F6dRo5zQRpKc/cLQ8Q2yIIyL+JL40FVbdqhUUUYhMxgJh8ltLlo5aZO55rB6TmDK
78HgscEX6cEDt6znNWGGY4HZv8fPdW5N+ogUX82FijZ4xUkr3uf4NfnpkrDjVQZ7
n7hfQ6NN/MWc5wWdv50IgqdNqPuIVU43yd6+otRwnV5qdzYDbY6mjyDV4i0okbVA
kfCVaSy0LQsnkBwYMp7o4smyn4ndstkFkcGJTfp409aVaa3/VmwakSbdBcmbl6by
mO8avG0uFTZsfk/E9t1XInbJ6sNSIY2waZrKJOJ51LSHxrHgYBhQVl5yR8FSKAQh
aa1mq+9F4wSDDbUvQwDa4ltEFyaRwBtbMKUgbWJacGV1woy7MFaMcSoQi/mRVZY4
rVvIke1W8v3I04vusy9i8heOwVfwr/jAmSnzEttGlfFXxN6DcvErlmoHyYu75FbE
X8ZD7XdlKc5ObQIDAQABo4ICETCCAg0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW
MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTa
MDWKWGFYMKMTDxrJ3fP4BvLTrTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv
86jsoTBwBggrBgEFBQcBAQRkMGIwLwYIKwYBBQUHMAGGI2h0dHA6Ly9vY3NwLmlu
dC14My5sZXRzZW5jcnlwdC5vcmcvMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p
bnQteDMubGV0c2VuY3J5cHQub3JnLzAbBgNVHREEFDASghBkaXNjb3Vyc2Uuem1j
LmF0MIH+BgNVHSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAm
BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUF
BwICMIGeDIGbVGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBv
biBieSBSZWx5aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRo
IHRoZSBDZXJ0aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5j
cnlwdC5vcmcvcmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBAD92/CA2q3Fw
HhUHwEWmCLqT988ByMa8uqF4ORO+xHciTdfgvMdmdTmaptqIhmsAmMKtER5ugnOf
BBRkGW9+ppRmas+F2OTiSwRw7PNjSWxyfrlLVm35pKbNbdSMQ6qxE876+8vutd2M
GJk7N2w/pa/gATAHPON6mUxbKYYPoFlL9qUAE6+rSZTgBedK5+XUJuiEAWSqr4so
gI1xSVRBZFv+YYfqHRvt4Zcc6wLRlJpDnvj9+BVnDTsiN+zj1ExuO+0ny9SC5nDI
TmMM6c6BqWry3CeTH/Gx+yqivI/hewnRjhS3XnJxoucxjU7J1Oe8w0+FnuOmuMBR
YnNb1EP2kqg=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAri/yUbizDvYQZlX87iMM
Mx3lpUl1iB/Ja6W14gKEM37xj5ldolUm2cpc/OH+LqpBk1ETGtNM/8+udGFcUpze
Gm3sFZa/6SsBLrGy90zlAWOprqk/dzM7xMfJm0YSdYvUDoex2idsJoxV6HmZOADy
oAWX8lvkWGx3VzQw4f2GLoELaoz7uTyHVKE1SW685g6z5XGGqa8A+QKxTaMZKuZa
2LFpGG2cHhenUaOc0EaSnP3C0PENsiCMi/iS+NBVW3aoVFFGITMYCYfJbS5aOWmT
ueawek5gyu/B4LHBF+nBA7es5zVhhmOB2b/Hz3VuTfqIFF/NhYo2eMVJK97n+DX5
6ZKw41UGe5+4X0OjTfzFnOcFnb+dCIKnTaj7iFVON8nevqLUcJ1eanc2A22Opo8g
1eItKJG1QJHwlWkstC0LJ5AcGDKe6OLJsp+J3bLZBZHBiU36eNPWlWmt/1ZsGpEm
3QXJm5em8pjvGrxtLhU2bH5PxPbdVyJ2yerDUiGNsGmayiTiedS0h8ax4GAYUFZe
ckfBUigEIWmtZqvvReMEgw21L0MA2uJbRBcmkcAbWzClIG1iWnBldcKMuzBWjHEq
EIv5kVWWOK1byJHtVvL9yNOL7rMvYvIXjsFX8K/4wJkp8xLbRpXxV8Teg3LxK5Zq
B8mLu+RWxF/GQ+13ZSnOTm0CAwEAAQ==
-----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 287414149338423603776138747564694160151465
 . . . . . . . . [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 2016-10-29 23:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-01-27 23:00:00 +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 'discourse.zmc.at'
 . . . . . . . . [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 710622149464124219904289559845619173110967700005445022683872265257998368435332655307028410080919700090664427855152666056961376891295625388668054604571468598746363215977000069336564243461194741797571326421751911754399572245297515864503329421217413664541914426017623441173751696071607160689016280651747406458066548506726346184750044969123570966472175758110853147608941399765046950755459419905675007669948529597212369819160525090879151475436181713796827504621396977067672386711065400352699472635123615609458067261537337751878111471667351890612508069101735157379936674136814576624476295938091874132310487790173253899861176138572574378738814689164046911888651057961824223726839735433250831774094342151952597985135473862922062742428246662706823940340491434099298324963020316117379482471456812456337456467444486585248411485956451930909242849938759915127495971185877837936148516697345234075718668956171256184786460067813960146471761367374850297689901118903753472674584826553994402635763542481289890906337237989586753736798892533827672018740413380126467637068462764592193882803875396507837117934419985755734827725861767008299040062335399567188677712098559640286586937391688372483064339946125215563910447913567801669420372281233726469154164333
 . . . . . . . . . . . . . . . . . . . . [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)
							da30358a58615830a3130f1ac9ddf3f806f2d3ad
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'discourse.zmc.at'
 . . . . . . . . . . . . . . . . [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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