rt-forum.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:8f:ff:35:d4:cc:ee:cd:99:53:49:e5:48:b9:a6:ba:76:43 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): 03:8f:ff:35:d4:cc:ee:cd:99:53:49:e5:48:b9:a6:ba:76:43Serial Number (int): 310336468911740883221842082537525577676355
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: a1:e0:57:85:75:1e:84:63:c6:cd:f0:2a:f8:e8:3b:c3:93:d9:82:c4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): a8:b3:31:b1:1f:f6:0c:25:72:84:ed:8d:8a:de:ad:01:85:80:60:ee
Fingerprint (sha256): 6f:4b:ec:60:7b:5a:be:b3:79:86:a5:43:6f:54:b9:c6:17:dd:f0:de:4d:59:a7:23:9b:2e:e1:3a:70:89:f1:41
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
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
dimsport-forum.de
rt-forum.de
www.dimsport-forum.de
www.rt-forum.de
rt-forum.de
www.dimsport-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----- MIIGiDCCBXCgAwIBAgISA4//NdTM7s2ZU0nlSLmmunZDMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMjAxMjI2MjFaFw0y MDA1MjAxMjI2MjFaMBYxFDASBgNVBAMTC3J0LWZvcnVtLmRlMIICIjANBgkqhkiG 9w0BAQEFAAOCAg8AMIICCgKCAgEAwIjenRCd6yNYt8J2T/pQ0wWwiCPI9UP7BBwa z0JUFPgYMAzcu005fYSj46C1ELuYMrMlcub0CV3PGllZ4BQfbSCo/Jf++D3Pzwg4 Z19o2dc8fxW5sQeWvzwDIfD2SABPubVH1gHYqdoPjYYs/Ta8KI6ffopI24ceeiH/ qviaGfXO5NWQ+k2jiLi3nQsCXV2GLdbFyT5R5/GRErqp39eT/q7kRjtC2dgoUdhv rhzbOUWt3kssDl09uq1kJyxMDosSoiGf1Xd5NQaRf7mKwYuJ6XmQPTiIeXIz4eb1 LVOrXPzs2OgCA0Qp7Z5gH9zptNGwFaj3xmCstODLj3DW3trIHrBsreKvliBabJ2M nviULfcmz+OO/BRPQ1FF2Vvypm+DM9DyZO7eTWPjDsQxOYirwy2bKGZBOqgroRTH wLhbO1jRkrFhkX8BI0hyRRHKGQgesbkrwdNh60mH76o1AAQ4FphfXslQGSoyIMf+ H1pRXA6Gy7y8rAjFKkLswQ1HYkcMlRhDpNRGlWfKGMokrNezq4r5u/KCSdJWgd/3 /yIZDOWMMW4zl11Keb6I9yAStd98GcIEjD11qlW1IQYougVKEAESjtDkrFBWLdaK HaDGoRSNhAbR8GSnnrO9lewfdptTmKy7A9TC7bf2aJJW33zbzIxUeDMLWXqQOYnp 7odkuVUCAwEAAaOCApowggKWMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUoeBXhXUe hGPGzfAq+Og7w5PZgsQwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzBRBgNVHREESjBIghFkaW1zcG9ydC1mb3J1bS5kZYIL cnQtZm9ydW0uZGWCFXd3dy5kaW1zcG9ydC1mb3J1bS5kZYIPd3d3LnJ0LWZvcnVt LmRlMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYB BQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIE AgSB9ASB8QDvAHUAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6GmnTohwAAAFw YscepAAABAMARjBEAiBljg/C6BdQJmS10XjDWzVGjw7HA8tS78h63JTzvB6+7gIg YhnXe1Kf5NKqD1ucOrZTQPuNUfzmgB1dPNHaH3otw+AAdgBvU3asMfAxGdiZAKRR Ff93FRwR2QLBACkGjbIImjfZEwAAAXBixx9nAAAEAwBHMEUCIGYqe73Agm/0Zubh mFbIsRLKhAiTYMGhx7pT1L1am4mMAiEAwE9CjIIajGvNfnhsfIAFp6JSUtoH8o4y NraVnXi3RZ8wDQYJKoZIhvcNAQELBQADggEBABqUon06fbkXAC/h01V+PS3EhWij GtZckuvmJBrlUKokBodMvfZU5xQ5vHlv4sQbCZeVAfJyzXQUBTMr53TnhzHteM2J WpHu6phJrGp7s2gynUVNd4nyEO038+zJ/nv9oIsTVdCIWkZlZ81aXjcnGbO1vBSm CeDPONt4iLggvWPr7VI8NrEP2EKawcP38AjI+A/qnOl2mKI3UFgiIN3qfomQavyc PBnBqcrwc6X+Y3nc98AUWpoYXnntIdlwyA+F77ephQ9GgRMAZd73Ygqt3oAd4RYV k73xHj2oLSFgVFI+beek/gPYDLn1LWXIbCZgQz2IUMyDc2DIThCKFZTIo3Q= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwIjenRCd6yNYt8J2T/pQ 0wWwiCPI9UP7BBwaz0JUFPgYMAzcu005fYSj46C1ELuYMrMlcub0CV3PGllZ4BQf bSCo/Jf++D3Pzwg4Z19o2dc8fxW5sQeWvzwDIfD2SABPubVH1gHYqdoPjYYs/Ta8 KI6ffopI24ceeiH/qviaGfXO5NWQ+k2jiLi3nQsCXV2GLdbFyT5R5/GRErqp39eT /q7kRjtC2dgoUdhvrhzbOUWt3kssDl09uq1kJyxMDosSoiGf1Xd5NQaRf7mKwYuJ 6XmQPTiIeXIz4eb1LVOrXPzs2OgCA0Qp7Z5gH9zptNGwFaj3xmCstODLj3DW3trI HrBsreKvliBabJ2MnviULfcmz+OO/BRPQ1FF2Vvypm+DM9DyZO7eTWPjDsQxOYir wy2bKGZBOqgroRTHwLhbO1jRkrFhkX8BI0hyRRHKGQgesbkrwdNh60mH76o1AAQ4 FphfXslQGSoyIMf+H1pRXA6Gy7y8rAjFKkLswQ1HYkcMlRhDpNRGlWfKGMokrNez q4r5u/KCSdJWgd/3/yIZDOWMMW4zl11Keb6I9yAStd98GcIEjD11qlW1IQYougVK EAESjtDkrFBWLdaKHaDGoRSNhAbR8GSnnrO9lewfdptTmKy7A9TC7bf2aJJW33zb zIxUeDMLWXqQOYnp7odkuVUCAwEAAQ== -----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 310336468911740883221842082537525577676355 . . . . . . . . [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 2020-02-20 12:26:21 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-20 12:26:21 +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 785472829758883392809946337732195232082663725519367524400588490443632312195736839444801926158143224994292397025644682647847475168991823905081746017469009232348878914717809419854118359794346375025849377374249227822771515397142421770167260255996993342476360678865816542484161029628833804252381929199192628840733197814791389772724977512514331800457796078082055523996500019692648886848722280106901583906366852177169956397553357280362128846947898062517395657039023778281282973236656901987298271745001525790751826473983419106456421520558164680100557505637158174846187090261924036845455111245681446821539140173310582611916459044672491151929172086742848971598783333343471694169434071732196868323949506842527826606244424234185555157086927934865180151075389640094510050366890137157304767809515047624527698997968652049537772841631618398535769656435357109458596087738713978909255712022666837999653307844084821636994975390190147229780421696840931317043588140907170242186946501880712835535483457326233455792532528178212765502811587384621040928746691199359876910188071227298678048658899874233563617591558925124154614265488295634996535897940899897954289529530230902534880888475860033512760208316256379642415085417919611093476059985710987721249700181 . . . . . . . . . . . . . . . . . . . . [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) a1e05785751e8463c6cdf02af8e83bc393d982c4 . . . . . . . . . . . . . . . . [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 (74 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dimsport-forum.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rt-forum.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dimsport-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 (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) 00ef00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017062c71ea400000403004630440220658e0fc2e817502664b5d178c35b35468f0ec703cb52efc87adc94f3bc1ebeee02206219d77b529fe4d2aa0f5b9c3ab65340fb8d51fce6801d5d3cd1da1f7a2dc3e00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000017062c71f6700000403004730450220662a7bbdc0826ff466e6e19856c8b112ca84089360c1a1c7ba53d4bd5a9b898c022100c04f428c821a8c6bcd7e786c7c8005a7a25252da07f28e3236b6959d78b7459f . . . . [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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