rt-forum.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:53:e5:8b:2a:ac:f5:a2:39:b0:5d:1e:a3:bb:68:1b:dc:ed was issued on by Let's Encrypt.
With 4 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): 03:53:e5:8b:2a:ac:f5:a2:39:b0:5d:1e:a3:bb:68:1b:dc:edSerial Number (int): 289885410055581181734907985924929483431149
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: d1:46:20:63:ad:23:83:9a:29:5f:2c:57:e0:a8:eb:b8:8f:26:bd:cf
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f9:24:17:7c:a7:db:cd:89:ba:15:5f:f3:db:33:99:b2:b5:03:fb:e9
Fingerprint (sha256): 16:37:1f:00:2f:53:7f:23:c8:42:27:dc:c7:a9:d8:20:f6:00:dd:93:ef:2e:5b:df:16:5e:9d:e9:a4:8a:c6:ae
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate rt-forum.de
4
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
guter-rat-ist-goldwert-forum.de
rt-forum.de
www.guter-rat-ist-goldwert-forum.de
www.rt-forum.de
rt-forum.de
www.guter-rat-ist-goldwert-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----- MIIGUDCCBTigAwIBAgISA1Pliyqs9aI5sF0eo7toG9ztMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODAxMjkwNzIwNTdaFw0x ODA0MjkwNzIwNTdaMBYxFDASBgNVBAMTC3J0LWZvcnVtLmRlMIICIjANBgkqhkiG 9w0BAQEFAAOCAg8AMIICCgKCAgEAxGB/XP3nnOcKfBKA5zadl9kzg8YI+94CnOo+ m6bRlfn65vyN1gtfPUTVd6IZWJ121XJvgvDZLGkIntnEI5XkpA+HvGp0tkQLiP49 G9FJPNgRW/vNy5tI/uowiT+vOIDXdArKKXg80LLFlKynxPAMNHutdxqDlzp9mS7z YBxXIW/az+xv2OO/TvyXVjCCzjiYeHv5VX7A5N3WwI4M2qQX2HqFgwrNIJnSQdHT qw1/QKhbILydTtW3yf7Dk8xEODlXZTHGweHgj6ppEKQypR5VlRXN5EGAJXQ/i24N CrCMuOTNACDpt852bKYDLiHDlt7+JNEn8270I5/HxdZ2lZdIVWCnmqqLExb9Hoh5 u/U4uRMIeYePt4YkoMjt3JzClDGbULgw+aupB1lBRB9be+Xp9mw3Jb8Nl2Vhi22M H+EAZqMUwOmaF3/Mtz2X0I5EpDwY713IPmVExytwqjZsFLCRVXPT0D7+CGvo441j NfRVLiuAnWm6diw8Fi+COBJ0Q/J/hjT0u6K7loG7wNnFapFESvhixAwUAYRzNs1T cmq26LjOWhqWZ+TiWHbp5260vmwlblK9W8ij4+P4lEBbV4H8N0ApQ4e1dZ41BcZu tShKDn4pFstL2KTaDyUrg9r0bOk8OJ/RCEBGq6DHpvzSy4OF40El/4iZgxUzMOTP oU6puYsCAwEAAaOCAmIwggJeMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU0UYgY60j g5opXyxX4KjruI8mvc8wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzBtBgNVHREEZjBkgh9ndXRlci1yYXQtaXN0LWdvbGR3 ZXJ0LWZvcnVtLmRlggtydC1mb3J1bS5kZYIjd3d3Lmd1dGVyLXJhdC1pc3QtZ29s ZHdlcnQtZm9ydW0uZGWCD3d3dy5ydC1mb3J1bS5kZTCB/gYDVR0gBIH2MIHzMAgG BmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2VydGlm aWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0aWVz IGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9s aWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkv MA0GCSqGSIb3DQEBCwUAA4IBAQBbkSTq8aZMcETMAZJ8f9QLvkyDmbRk5pyQZM9i MI1vx4WyxdOfQnz5DxpPVbloW6GbO0XX9TlbogksL/FvotBx+zhCfxRuKLzMDmLr 2Y/zFsBoUQ3A+cuhP4UEDwgB1XgMJi6OSmpizhXED5E6lOs0hS9FASmmctkjC6LZ obWslu6CxPROm3+FT6sM4l1wCScd4LmjN8HUzPBnWT701HdJ01lefAnsLU1mxHER 6SVGzKk8IXjGdgRumo6RXW64zXk4kYmZl+MF6meG8THU9AQxs5mexnY+iuHtjyMg CjIYUujwtMN2hr0O2cCMz1EnfsAaeXy57fAytKgbXHc6wvv2 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxGB/XP3nnOcKfBKA5zad l9kzg8YI+94CnOo+m6bRlfn65vyN1gtfPUTVd6IZWJ121XJvgvDZLGkIntnEI5Xk pA+HvGp0tkQLiP49G9FJPNgRW/vNy5tI/uowiT+vOIDXdArKKXg80LLFlKynxPAM NHutdxqDlzp9mS7zYBxXIW/az+xv2OO/TvyXVjCCzjiYeHv5VX7A5N3WwI4M2qQX 2HqFgwrNIJnSQdHTqw1/QKhbILydTtW3yf7Dk8xEODlXZTHGweHgj6ppEKQypR5V lRXN5EGAJXQ/i24NCrCMuOTNACDpt852bKYDLiHDlt7+JNEn8270I5/HxdZ2lZdI VWCnmqqLExb9Hoh5u/U4uRMIeYePt4YkoMjt3JzClDGbULgw+aupB1lBRB9be+Xp 9mw3Jb8Nl2Vhi22MH+EAZqMUwOmaF3/Mtz2X0I5EpDwY713IPmVExytwqjZsFLCR VXPT0D7+CGvo441jNfRVLiuAnWm6diw8Fi+COBJ0Q/J/hjT0u6K7loG7wNnFapFE SvhixAwUAYRzNs1Tcmq26LjOWhqWZ+TiWHbp5260vmwlblK9W8ij4+P4lEBbV4H8 N0ApQ4e1dZ41BcZutShKDn4pFstL2KTaDyUrg9r0bOk8OJ/RCEBGq6DHpvzSy4OF 40El/4iZgxUzMOTPoU6puYsCAwEAAQ== -----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 289885410055581181734907985924929483431149 . . . . . . . . [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 2018-01-29 07:20:57 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-04-29 07:20:57 +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 801148032274267684850976834150943827242188850216100695015489015539096166466615577800042475905808203309323051169416155226877621891544002245849827759126925224669261239610849595402834082256995023554602650709214038519851219348774740121255685103025977981475506676502874422213901705659497232866381627770894615017692357188752267850265465522378517066337013572845589181766358430236713231168434980029056475205218986667636014570177242858227343966647860055455502983893534625394945712200979312111167713103946321548363556012292432559650762627754138986554654320656748502510642396931963823382925881653143260077979383224892241503827316626450965755204723978695116227140292410136443089948105466541007862032065882705310164083188793927806827923641263178500773997062007566312874066682067951904250188341604333660717355152779475348882343495347845736871390698508575825613991533843279630018656554673845450644424587085348815455070021903179632237212612870340882303076609325369514109670873422867463101630904963273930539147466885617049030505635226402111780072748338171103548258357934948755422423323167059302020628005655825536400965748169460670113334884459470346948586053149937602570909798116140110200838730441578265325024822566369136202360542316003510173162912139 . . . . . . . . . . . . . . . . . . . . [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) d1462063ad23839a295f2c57e0a8ebb88f26bdcf . . . . . . . . . . . . . . . . [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 (102 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'guter-rat-ist-goldwert-forum.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rt-forum.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.guter-rat-ist-goldwert-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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