rt-forum.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:b5:b0:a8:67:ae:fa:5d:5d:e1:f3:d3:09:60:8b:69:2b:09 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=rt-forum.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:b5:b0:a8:67:ae:fa:5d:5d:e1:f3:d3:09:60:8b:69:2b:09Serial Number (int): 323162784744052354450923944174621871909641
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c1:1c:2f:24:5a:9a:84:b3:d2:1e:13:aa:44:b4:b1:5f:94:b2:c8:c5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 7e:b2:22:a2:04:ea:53:0e:c9:2c:88:e3:1d:31:ac:dd:a0:c1:b5:88
Fingerprint (sha256): a7:a5:d5:93:5c:19:cc:a0:fc:b7:80:47:37:29:33:66:91:c1:6f:6a:c1:1b:8c:1c:21:e3:6e:9e:8d:eb:bb:c2
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 rt-forum.de
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for rt-forum.de
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
rt-forum.de
www.rt-forum.de
www.rt-forum.de
Other certificates including the domain name rt-forum.de
(limited to 100 certificates)
Certificate
The complete raw certificate details for rt-forum.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGCzCCBPOgAwIBAgISA7WwqGeu+l1d4fPTCWCLaSsJMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjA3MTQwNDU4MDBaFw0x NjEwMTIwNDU4MDBaMBYxFDASBgNVBAMTC3J0LWZvcnVtLmRlMIICIjANBgkqhkiG 9w0BAQEFAAOCAg8AMIICCgKCAgEAzPZ0rwF8AHmndX8f7hA2aKpCJR6+5PeLpdK/ J1P1CiK1rYUlFOYAcFJZ8MCF8Fy1KouW8dCUmmORdk4CrhHfuKmuzt/nzRC5EJBc bwGKIYtzDVFB+WXbDMCYZ7BQraP9n5dEYtPbQrYdKEnWsipZwWXb+09QfG7ndJxZ iwS1CGZDorDd3whTDq/BpORB891L2VozfQwwTZSqzSNqYWGMFtmQcrx4bYSmbwLE SEaK03a/xPHyz+oYHGFtacbAd/sxGVeS17P95ftgCVzMmjqDiPGrl6JF4MLeV+Ae dXTQ6e2z2a/SKrJ+DisJrOfz+yP8sA/CgzaHA77HBVUEKz4EMuNzecg4vDCGqYra j3b+O24Pv8+eukKVrz8wIzY/jv+IjfuX3lrYrUHDfO4L0PUBY+LgEnd4QxiIIHmX bLH/cRiX//y1UU9eUZiwXmccqGODKMjMKDBxQHzULzY6xNzC7uDB6ybtHHfhNuQ5 OCyMUOrXi9vIHcoOX3X3Lud0NpgtWfKfyKS93Kx8Y2hOn95oSREqoeb+SMGdI0Nf epwOhPzj2WbSQa8AFxyrqZRBjp+PoA8U2Ah1m2GTQ6nPw0lPh7HsflRhdpC0LkZn oog/tb5w6tlsOYu45q9TQxVY+PgoknDHcAXWsFIB0Y+p9ac1zB17cK2EnndVm8Yr ARzjWk0CAwEAAaOCAh0wggIZMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUwRwvJFqa hLPSHhOqRLSxX5SyyMUwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw cAYIKwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz LmxldHNlbmNyeXB0Lm9yZy8wJwYDVR0RBCAwHoILcnQtZm9ydW0uZGWCD3d3dy5y dC1mb3J1bS5kZTCB/gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMB AQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGr BggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVs aWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFu Y2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8v bGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAY M8y595qF2RQuvs0x75u8eCCBuM4P9l1K1C5fyxoBwi4lB8p7mv5ZWf1A1hGYx6Vs 22NnnpGp7gdfQOWfuKRj6WRZlGIwzDeOaqk/IsiwLPDmUTmzbog2aUWStfFklBmM oIOLC+fRbiDSUBynK6GIWdJW1rGqp8p7iXCvn71Qd1Ycup7yaQnYfv0113WEAMo5 GNtsBApxUuCMhYbq0VoKi+yNSXW6+M8xpnrCubQOT3ke6mevTvQq1miD64ArWCvm qrF8RaKSDUh+OlzboVJ5RFo06XSmlQsuKKaoq1NUoZHbtPIzFhsgMpTw4Mb4l4gi 8j6ie26lKo4ue9FdKiKj -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzPZ0rwF8AHmndX8f7hA2 aKpCJR6+5PeLpdK/J1P1CiK1rYUlFOYAcFJZ8MCF8Fy1KouW8dCUmmORdk4CrhHf uKmuzt/nzRC5EJBcbwGKIYtzDVFB+WXbDMCYZ7BQraP9n5dEYtPbQrYdKEnWsipZ wWXb+09QfG7ndJxZiwS1CGZDorDd3whTDq/BpORB891L2VozfQwwTZSqzSNqYWGM FtmQcrx4bYSmbwLESEaK03a/xPHyz+oYHGFtacbAd/sxGVeS17P95ftgCVzMmjqD iPGrl6JF4MLeV+AedXTQ6e2z2a/SKrJ+DisJrOfz+yP8sA/CgzaHA77HBVUEKz4E MuNzecg4vDCGqYraj3b+O24Pv8+eukKVrz8wIzY/jv+IjfuX3lrYrUHDfO4L0PUB Y+LgEnd4QxiIIHmXbLH/cRiX//y1UU9eUZiwXmccqGODKMjMKDBxQHzULzY6xNzC 7uDB6ybtHHfhNuQ5OCyMUOrXi9vIHcoOX3X3Lud0NpgtWfKfyKS93Kx8Y2hOn95o SREqoeb+SMGdI0NfepwOhPzj2WbSQa8AFxyrqZRBjp+PoA8U2Ah1m2GTQ6nPw0lP h7HsflRhdpC0LkZnoog/tb5w6tlsOYu45q9TQxVY+PgoknDHcAXWsFIB0Y+p9ac1 zB17cK2EnndVm8YrARzjWk0CAwEAAQ== -----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 323162784744052354450923944174621871909641 . . . . . . . . [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 2016-07-14 04:58:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-10-12 04:58:00 +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 'rt-forum.de' . . . . . . . . [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 836174936452813612592329246262966815894637395601468796073230198138714661508857614451060304582480194606884739269853506945550485157068100299359244220509317608525816496855443105383826827344724879944085559605761116434905656422262384451350998986306551418515338028395776948715395006177059536393519033056048287199491204927995559223022365491770196320456669798638379894238720860838035466604784576145556662471325387602756326288294503214507379991054079975055292906626578155830047526851922082248523135819905089644009084345430651942976583467155508494875047925008757960412132825322346669834079679408585033430810280326548737087089441209261624209771231843484632091354141953553816935074147383610939064269211095795040822703740820602802142922502595756518745793116344022353867368454550646421923289052953470326985381884477373683979921866913691484266622448311339374407533651632074335898547456221820848490774928252182536169209267219775938839804591775625550419998081689652525274663646679309789937982456832958462209572227769175026953800676612682408404476734828676239204002717657050359275693797705701843172108847547676565297161523852048952357825292783573612105889082077452981745820874241328802908977542576922020154137900112590584825217062361794871706385603149 . . . . . . . . . . . . . . . . . . . . [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) c11c2f245a9a84b3d21e13aa44b4b15f94b2c8c5 . . . . . . . . . . . . . . . . [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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rt-forum.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rt-forum.de' . . . . . . . . . . . . . . . . [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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