discourse.zmc.at

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f0:4f:49:a2:11:f9:08:5d:77:5d:9e:7f:40:9c:34:fd:eb 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:f0:4f:49:a2:11:f9:08:5d:77:5d:9e:7f:40:9c:34:fd:eb
Serial Number (int): 343110017192817959002005053453763125509611
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 32:e2:b4:aa:6d:c3:a3:ad:8f:db:80:54:43:95:9f:65:a1:ea:4b:57
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 75:42:08:f9:9a:7f:f8:77:e4:7e:5f:e9:03:f1:4c:18:55:44:af:32
Fingerprint (sha256): b3:06:06:13:70:64:16:72:4a:ac:74:76:39:e1:73:b4:ec:84:b4:4d:85:1e:c4:38:3f:56:6f:f4:8a:ba:b2:4e

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

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Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGBDCCBOygAwIBAgISA/BPSaIR+Qhdd12ef0CcNP3rMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjA4MDgxMTQ3MDBaFw0x
NjExMDYxMTQ3MDBaMBsxGTAXBgNVBAMTEGRpc2NvdXJzZS56bWMuYXQwggIiMA0G
CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDpNWuiXTqVV3ALuMqi0TaZxlshiWPI
Xrav/oZMiOavwnNh72AK2ExopZbmNsns8UxIl5t3FbkHFf+NJDoXDWkDsW5mF09p
K2OAyKPKgNDdxYieHI8vsz70CivR7s8Bb9iW89fgKHLaLiccMrFOwDt5iABIZHiO
mnD0aJmLaJIPoVdPOc7hRs/kba05ynH/VdxW412ub/UDR1+aVJv2qJ4er1g/5q/e
h1MtqlPkM1ug+/hvq13TemOQ8u669e5nLf/6nKHxtdACf2IATFnd08m4RBuwml9U
yJru/cJljQ+GbJ+YtOh14E5zh6FNyLun0ZjJeQlcq6NqGATYpazlY/Pk+TjAWHmM
+BdPaXLsys9hsuJjvRKJvAuXmol3tHVt6ZmMTd3KGxJHgByDcUP/MtENL3wP+ZPh
Ea7CrjEHETjvs9FqclmELWKwSCNfZKfm4KOaE4lCWdAn93++NYGNAAuER16lLmZb
KjTlmA3VEi9eEh3QNJJt9tT2dqHYuatOb3cOb47O55AHWyT/MwUgK/EqCIhy8bGJ
4GQrSaXscM8W9DbLnb0WbuJCRESmTnPckrq2rlbsucFFernfGgytm+c9KvGdNzR/
9piU1BxeiMIIx6F50eKljGcK9Y4rcAAK5W9c31jKwAXaPQvgR3B+p3ArWuVsQhSm
H0OZygn0plai4QIDAQABo4ICETCCAg0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW
MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQy
4rSqbcOjrY/bgFRDlZ9loepLVzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv
86jsoTBwBggrBgEFBQcBAQRkMGIwLwYIKwYBBQUHMAGGI2h0dHA6Ly9vY3NwLmlu
dC14My5sZXRzZW5jcnlwdC5vcmcvMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p
bnQteDMubGV0c2VuY3J5cHQub3JnLzAbBgNVHREEFDASghBkaXNjb3Vyc2Uuem1j
LmF0MIH+BgNVHSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAm
BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUF
BwICMIGeDIGbVGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBv
biBieSBSZWx5aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRo
IHRoZSBDZXJ0aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5j
cnlwdC5vcmcvcmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBABeLUUunKcSm
FUjIKGe+idmPUEpfqcq+i5TtBSnAvG6qdG6exzF+U1W6tdZM7RoTfAYE7Q8+L6Ut
WxVV6BmGEb1D9/chGYlDbQ810FPoUsRF6mmu6m2+Ea8Nm1oT7db0l+3q5xU56SUp
Im1u5Yo7YwZSx8fyjnxosRiJpbOzuqVHXaH1axoT9MIm0cmgAfC2s407mYTuR+e1
ycuIoW/ERONEdTOSe2Pl/h4IpCU/iD5j0HAa3x7voRO1YdSCaAM1hd+33O4jqSX+
1/CdbRplIhcvPzQouznGEHkMgo53mg8HFzgEpV9aI2YhIq09KZGDX1V3pKjvDAoD
njImtfWXRpk=
-----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 343110017192817959002005053453763125509611
 . . . . . . . . [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 2016-08-08 11:47:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-11-06 11:47:00 +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 951408381936877335313944957851234890431563651997954033316997427814510064915366808654402716920885889086748169716959505026870390918521794781795552496759225390280765551369466804411213257920130451850575010446392535895175360300018773550898372958191546136723443250672706154895406751302256346832139539731716601179122254371680140781055427213644179745968297421202443910865536338851336475595776273461372731345379875958280439707416622713401349663693482605445379411531460686858345808433391306156711826982695041310300550129166664071070271246577356945581520654452092919788014622844451879683107491732837541288137010142792916755300702469752319129919083475743034003386909023556760313478644981962800002093565556345636960035509217386313689753917751089102922891449203457601656016426817393944569749972546982545664170752083678889786594445236612576013000082301788729271440719228861694797128172922989333622461316756150286571176229551524640126255031418214100595094779036315085009236577513374952938859152456409105096835047416333136270870674217938172398326411014171336603211330703300171850894540034206474692476777783125982051684876887203002976776475624720937656473515526502851300206632533783513133224271512777827659239028572431441911719349201714682432186655457
 . . . . . . . . . . . . . . . . . . . . [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)
							32e2b4aa6dc3a3ad8fdb805443959f65a1ea4b57
 . . . . . . . . . . . . . . . . [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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