schreibenlernen.at
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:b1:5b:34:60:6d:0f:fc:8b:dc:5a:28:98:c3:5d:12:3c:c1 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=schreibenlernen.at
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:b1:5b:34:60:6d:0f:fc:8b:dc:5a:28:98:c3:5d:12:3c:c1Serial Number (int): 321688068443092058377902692036055017864385
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 2f:5c:87:04:7a:03:83:0e:52:4d:92:c4:f1:bd:43:14:f4:a2:22:04
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 1e:b7:a0:05:4b:97:69:07:b7:ca:d1:d9:44:eb:9b:68:a3:de:a9:53
Fingerprint (sha256): 81:51:28:ff:13:ad:5f:ee:fa:a6:e1:82:23:c5:b4:37:f7:1d:c9:19:b6:16:6f:83:63:48:0c:56:3e:1f:08:46
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate schreibenlernen.at
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for schreibenlernen.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
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
schreibenlernen.at
www.schreibenlernen.at
www.schreibenlernen.at
Other certificates including the domain name schreibenlernen.at
(limited to 100 certificates)
Certificate
The complete raw certificate details for schreibenlernen.at in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGczCCBVugAwIBAgISA7FbNGBtD/yL3FoomMNdEjzBMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMjIwMDMwMDJaFw0y MDAyMjAwMDMwMDJaMB0xGzAZBgNVBAMTEnNjaHJlaWJlbmxlcm5lbi5hdDCCAiIw DQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBANRKtVQBcvu7hr7jmxWmA4+QmXaj 2mioUMG/82q633ZEBS3EMYH3zWhNU22BDPITnm8XKPqJ0xlVG3vnwEqpYrBxWRXc WMXYSQgTBLm6TTGXyPVXVtfi+yfzJswfmqbRtYBA6gAdp0r7UL31RdYEYeZNalJ4 FmFiSKobsHWBABuQ9UUcOTAwED3TX1qqUdCgpKuy5NEOxeD3A9EylxjLVFjcrxxa k7/32i76kGC68ssxuyyASiXJBcWxqS+if3zh7GKkUfBg9tP0iZnce3ABidLPGzyZ AfMQ9RRJBtpldChpYrVhHJxM31+WUKzNLwVid4XTzR13JdlmH3ZsEV/iwHjkHON7 OoeD8AcGG8KlsKeoomZhCIFInJvZCwgaD17n32pTCPEOUxvgXPwl7fCqrJ8MWR0u zlAoG6Rk9KDpE+6DzLI48hqm/cnViONTbS34vpP+n5zlHX9qL8fW4vYK2HPMdZ5z DzcKmm4ITMjZAm16IX+Nex4NHwjj9uylbtwlX01htgewJUxsX+ksrIvwJnve6DKy n6UnhwhK/s+YlOA/QGSE6cNYhTnbwYv+TrJbQDRVynAk5BYde+JHHQu/qIbiCFmG U6+aWOvApfnevPlXIhAioeCuOBJqHIVbP3fhyU5zQZ7p2PpSFGn3bX46DBf67YN1 xL1vumbHIVPXP4TrAgMBAAGjggJ+MIICejAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0l BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYE FC9chwR6A4MOUk2SxPG9QxT0oiIEMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZF Ze/zqOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3Au aW50LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQu aW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wNQYDVR0RBC4wLIISc2NocmVpYmVubGVy bmVuLmF0ghZ3d3cuc2NocmVpYmVubGVybmVuLmF0MEwGA1UdIARFMEMwCAYGZ4EM AQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0 c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAXqdz+d9WwOe1 Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFukLr2OAAABAMARjBEAiBu+FuGcmRU uFW7s+5yk+f+rT/uISz8x82TqdfsU6Mx8QIgdIa9iayXek95JrS5UyveGHiPbNrV XU+TA3DmYMNxYHUAdgAHt1wb5X1o//Gwxh0jFce65ld8V5S3au68YToaadOiHAAA AW6QuvZdAAAEAwBHMEUCIQD4kfvJ6xr7lLH6gif5lqQ4mQKG2Xst9AqHFTyBkW8I fwIgZ35eJGVdG3unpCSuCgrqaZxRp8OsOsEfISKR5nyrsz8wDQYJKoZIhvcNAQEL BQADggEBAEwVjMJDFESrlnoRUZVz5yJS09HW26PTbFAKvoqwVhZwROSBat5QVLOb rv34v2Uct/z1o7ZfQd5/1/0QnA2VbuRPq4WLBYmhWfD0UklIbH0Fb+SvRsQrS3lp TgVi/YGY+gpQvp4NlKK5vJEjy+eBh1ergthX6ue9X8NF0Psqy/5tzHg4aDqSYG2K QiFxZ8VH0iYLx1B1ky3t8MWANqTg309s/nl7vPcw4ERv5pZCO70Vw6nqNNZahWtg 6IQ4KYRWcorNDeF4gLrwCjg8QUjryTBwlWt9szh0emjhJGo9eYwC8Z4uLIMyVz1G UFlWo9peF2CbCcNmcotFXNEdf0NsUU8= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA1Eq1VAFy+7uGvuObFaYD j5CZdqPaaKhQwb/zarrfdkQFLcQxgffNaE1TbYEM8hOebxco+onTGVUbe+fASqli sHFZFdxYxdhJCBMEubpNMZfI9VdW1+L7J/MmzB+aptG1gEDqAB2nSvtQvfVF1gRh 5k1qUngWYWJIqhuwdYEAG5D1RRw5MDAQPdNfWqpR0KCkq7Lk0Q7F4PcD0TKXGMtU WNyvHFqTv/faLvqQYLryyzG7LIBKJckFxbGpL6J/fOHsYqRR8GD20/SJmdx7cAGJ 0s8bPJkB8xD1FEkG2mV0KGlitWEcnEzfX5ZQrM0vBWJ3hdPNHXcl2WYfdmwRX+LA eOQc43s6h4PwBwYbwqWwp6iiZmEIgUicm9kLCBoPXuffalMI8Q5TG+Bc/CXt8Kqs nwxZHS7OUCgbpGT0oOkT7oPMsjjyGqb9ydWI41NtLfi+k/6fnOUdf2ovx9bi9grY c8x1nnMPNwqabghMyNkCbXohf417Hg0fCOP27KVu3CVfTWG2B7AlTGxf6Sysi/Am e97oMrKfpSeHCEr+z5iU4D9AZITpw1iFOdvBi/5OsltANFXKcCTkFh174kcdC7+o huIIWYZTr5pY68Cl+d68+VciECKh4K44EmochVs/d+HJTnNBnunY+lIUafdtfjoM F/rtg3XEvW+6ZschU9c/hOsCAwEAAQ== -----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 321688068443092058377902692036055017864385 . . . . . . . . [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 2019-11-22 00:30:02 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-20 00:30:02 +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 'schreibenlernen.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 866075102288496673966855691210043781596637768202578604222237587284128991738875026732877101756253941649611855683921463100220103913258518018442581758230785996853686083664489914310111533241060572849925106999343171083065307352697210850706266405389636672614475212013641709282069678075580348386480585751799263604039971968396288927274157322942620363148451416138398178512986041855132679383201479055933588110941175076436732788459339379825384846382546366499508139450881128753994489257586884320909667629318263188384992014917990083983593235862499848627680685990356649624630947637093731095162148320377198683432474634212951834703309272196344035794421964211403578292996447605662793379362302309854261538406451420824071499717389243779347803155701055385224064162067125317568479404249542492159148360557973680991701945523489647999993498502789330103539957401518402855160588366035969102615761541412748953017848546727772360866463108868114773917991007621060063174445703455512602422649794147775695668732114436357594451839652592234095100290425082834420043431801785429501544946266407915217741438205400885188117024432923214293500521113527264407773903111177037276974665407307238004869683435423509143142454538565975404604047197435376010177419762920517933014680811 . . . . . . . . . . . . . . . . . . . . [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) 2f5c87047a03830e524d92c4f1bd4314f4a22204 . . . . . . . . . . . . . . . . [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 (46 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'schreibenlernen.at' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.schreibenlernen.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 (69 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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e90baf638000004030046304402206ef85b86726454b855bbb3ee7293e7fead3fee212cfcc7cd93a9d7ec53a331f102207486bd89ac977a4f7926b4b9532bde18788f6cdad55d4f930370e660c371607500760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e90baf65d0000040300473045022100f891fbc9eb1afb94b1fa8227f996a438990286d97b2df40a87153c81916f087f0220677e5e24655d1b7ba7a424ae0a0aea699c51a7c3ac3ac11f212291e67cabb33f . . . . [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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