casc.at

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3d:7d:16:86:c3:ff:7c:fb:43:f7:58:0d:3a:78:47:15:fe was issued on by Let's Encrypt.

With 2 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=casc.at

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3d:7d:16:86:c3:ff:7c:fb:43:f7:58:0d:3a:78:47:15:fe
Serial Number (int): 282260352640833436811937553023894943110654
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 25:90:47:0b:d1:47:b6:42:d3:03:9a:d6:81:36:72:14:22:6e:b1:a6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 52:06:c0:1f:73:f9:14:31:14:3e:27:e4:52:a2:7b:8d:66:cb:cd:b5
Fingerprint (sha256): 8d:c2:f9:d6:00:42:03:83:05:c6:68:48:c3:d0:56:9a:c8:93:7d:66:04:35:bf:a8:62:23:87:2b:44:00:52:c1

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 casc.at

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for casc.at

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

casc.at
www.casc.at

Other certificates including the domain name casc.at

(limited to 100 certificates)
gymbadvoeslau.casc.at
www.casc.at
cpt.web1.casc.at
gefas.casc.at
www.casc.at
100und1.web1.casc.at
gymbadvoeslau.casc.at
100und1.web1.casc.at
100und1.web1.casc.at
casc.at
casc.at
www.casc.at
athletics-meeting.at
uba.web2.casc.at
gymbadvoeslau.casc.at
www.casc.at
www.ensemble-tris.info
uba.web2.casc.at
sportunionfavoriten.web2.casc.at
100und1.web1.casc.at
favoritenwp.web2.casc.at
kirschenhof.web1.casc.at
casc.at
sportunionfavoriten.web2.casc.at
cpt.web1.casc.at
monitoring.casc.at
gymbadvoeslau.casc.at
sportunionfavoriten.web2.casc.at
uba.web2.casc.at
physio16.casc.at
100und1.web1.casc.at
server.casc.at
casc.at
favoritenwp.web2.casc.at
gymbadvoeslau.casc.at
preview.casc.at
casc.at
gymbadvoeslau.casc.at
uba.web2.casc.at
gefas.casc.at
www.casc.at
physio16.casc.at
www.casc.at
sportunionfavoriten.web2.casc.at
sportunionfavoriten.web2.casc.at
www.ensemble-tris.info
physio16.casc.at
favoritenwp.web2.casc.at
100und1.web1.casc.at
sportunionfavoriten.web2.casc.at
preview.casc.at
gymbadvoeslau.casc.at
sportunionfavoriten.web2.casc.at
www.ensemble-tris.info
www.schneekugel.webhost3.casc.at
casc.at
staringer.webhost01.casc.at
gymbadvoeslau.casc.at
100und1.web1.casc.at
sportunionfavoriten.web2.casc.at
uba.web2.casc.at
casc.at
www.vipur.at
cpt.web1.casc.at
www.casc.at
gymbadvoeslau.casc.at
favoritenwp.web2.casc.at
casc.at
www.casc.at
susen.webhost01.casc.at
www.casc.at
100und1.web1.casc.at
bg9.web1.casc.at
cpt.web1.casc.at
favoritenwp.web2.casc.at
sportunionfavoriten.web2.casc.at
uba.web2.casc.at
www.vipur.at
100und1.web1.casc.at
favoritenwp.web2.casc.at
cpt.web1.casc.at
100und1.web1.casc.at
favoritenwp.web2.casc.at
lbmanu.webhost01.casc.at
www.tu.webhost2.casc.at
100und1.web1.casc.at
uba.web2.casc.at
www.leppla.webhost3.casc.at
server.casc.at
www.casc.at
gymbadvoeslau.casc.at
casc.at
www.casc.at
sportunionfavoriten.web2.casc.at
www.casc.at
server.casc.at
server.casc.at
100und1.web1.casc.at
favoritenwp.web2.casc.at
gymbadvoeslau.casc.at

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE/jCCA+agAwIBAgISAz19FobD/3z7Q/dYDTp4RxX+MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODAxMTMxOTMxMzlaFw0x
ODA0MTMxOTMxMzlaMBIxEDAOBgNVBAMTB2Nhc2MuYXQwggEiMA0GCSqGSIb3DQEB
AQUAA4IBDwAwggEKAoIBAQDyxrCOKatfTUYQPDeanifph336cIicGNfUQEgcq/Is
5+65NVoYNAZNEZFPZblpoMiFU8ZVDwk8OY8EAP4CUkO0C/EsjzDZdy8AzNneUSDY
QcV5akSE2Tv32VKul9FCdsUCK5BL9TJksaTE2X0Q+GtGN0ZGf768gsJLxl+yXfgy
E3DuMMi7XTr09CKQwgv2+X5Nfgn3lKRfc4xIUNzTCUnWp3Tcik3qjiSn/rTkOohO
0wUmDBmL+gm6hsdVNWBHVNoXPXHicrUNC5hmfsKzdL6toB597x6J9QecqgaiME0t
dgreUI1Q5/ybJWCIoSVIDnwxUOjC2p0KaY0aer3gyd3xAgMBAAGjggIUMIICEDAO
BgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwG
A1UdEwEB/wQCMAAwHQYDVR0OBBYEFCWQRwvRR7ZC0wOa1oE2chQibrGmMB8GA1Ud
IwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAuBggr
BgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggr
BgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wHwYD
VR0RBBgwFoIHY2FzYy5hdIILd3d3LmNhc2MuYXQwgf4GA1UdIASB9jCB8zAIBgZn
gQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz
LmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENlcnRpZmlj
YXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFydGllcyBh
bmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRpZmljYXRlIFBvbGlj
eSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0b3J5LzAN
BgkqhkiG9w0BAQsFAAOCAQEAIkf+BB53mWYZSFlAfsiqA5uCCeSeLDaO2QZKdOvd
IzHZmopNeP/iXmQzROXIgU+PI2XsfQJXp/jaMV953YNfKffDho4JVeHPG8w3dzms
UwNVTQ7+93TCrHiEifhhEu9g5djUVS2s78Yv12Jv0qZivkghedQCLyNBH7nYJtae
xfzDvrsHqPNvoVO6bR/6YWaQiFDE3HF4Lm9z/tzls7O1xKZWvmOrB/qRJ/mbrOGa
UNO673/uwv1jR+7W4jGO7xiXkPqKODbC8K68F80dnSmHJqV8Vq3k8O4zzLafvAiQ
6K/M2ohJKYlLHZ79U87XKaX1VfOYyr8dDHRKkrLDUDFMww==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8sawjimrX01GEDw3mp4n
6Yd9+nCInBjX1EBIHKvyLOfuuTVaGDQGTRGRT2W5aaDIhVPGVQ8JPDmPBAD+AlJD
tAvxLI8w2XcvAMzZ3lEg2EHFeWpEhNk799lSrpfRQnbFAiuQS/UyZLGkxNl9EPhr
RjdGRn++vILCS8Zfsl34MhNw7jDIu1069PQikMIL9vl+TX4J95SkX3OMSFDc0wlJ
1qd03IpN6o4kp/605DqITtMFJgwZi/oJuobHVTVgR1TaFz1x4nK1DQuYZn7Cs3S+
raAefe8eifUHnKoGojBNLXYK3lCNUOf8myVgiKElSA58MVDowtqdCmmNGnq94Mnd
8QIDAQAB
-----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 282260352640833436811937553023894943110654
 . . . . . . . . [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 2018-01-13 19:31:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-04-13 19:31:39 +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 'casc.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 30647647329356817290778178909787395716027126362399299800586061173988962188005935552091436324613765103407326682491004934367496589588899731568833156678204393079258448966246087909581998436164820153249998225218278079932580036426555349218834014832313588389800629759664287595410943188934291527885502644549703973578739266982251328174501608653377581199347476310686371351991377318623321485007401885961412007168751407644024168303236043056786097198775788454180529177866240019728583948816719189850012632989661481841842442145593266761642115882466656197655254646534611377281570717688219211356531992094498266955090585311921549467121
 . . . . . . . . . . . . . . . . . . . . [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)
							2590470bd147b642d3039ad681367214226eb1a6
 . . . . . . . . . . . . . . . . [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 (99 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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'casc.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.casc.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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