karsten-thomas.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:7c:36:fb:64:f8:87:93:8f:fc:93:0b:20:53:3c:f5:2e:6b 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=karsten-thomas.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:7c:36:fb:64:f8:87:93:8f:fc:93:0b:20:53:3c:f5:2e:6bSerial Number (int): 303604954919692490645285261772685841870443
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 67:27:fe:f7:7d:7f:e6:93:54:29:12:7e:47:54:a1:c3:29:f6:b2:8e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 74:78:92:25:09:87:b5:a5:cd:83:a7:c2:44:46:49:a7:93:f4:cb:48
Fingerprint (sha256): 86:24:e5:91:f0:08:2a:94:78:8d:a5:2f:39:f2:4d:2a:16:e5:bf:4c:c5:b8:8b:ec:ad:cb:17:0e:88:60:34:51
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate karsten-thomas.de
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for karsten-thomas.de
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
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
karsten-thomas.de
www.karsten-thomas.de
www.karsten-thomas.de
Other certificates including the domain name karsten-thomas.de
(limited to 100 certificates)
karsten-thomas.de
karsten-thomas.de
karsten-thomas.de
karsten-thomas.de
karsten-thomas.de
www.karsten-thomas.de
karsten-thomas.de
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karsten-thomas.de
karsten-thomas.de
karsten-thomas.de
Certificate
The complete raw certificate details for karsten-thomas.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFcjCCBFqgAwIBAgISA3w2+2T4h5OP/JMLIFM89S5rMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMDEwMDE5MTNaFw0y MDAzMzEwMDE5MTNaMBwxGjAYBgNVBAMTEWthcnN0ZW4tdGhvbWFzLmRlMIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmaKrNlcN4qyAj1JMRbk6UIpYUu9J mEStmMCA6RQaHcwo4+Mm25eS+EddWWFb8GigSi872Kga8eTnwB4i365fkPsoPDpK eHKxZ7wQW2EH78bgqzP7ecTS4vvOHXjFtPwws3abXD36+l2evffHfHoRSQZ631Vm jLz9lOxXFq7Y/FVRpLJU1LyGK4Gt1pvk+e9U12dpyTOTpoR14lm7WzOJXMgOBpsj 5l68FgfsnQlzZo78q4zFINeEXXJhoez3CJvVPu+XOIls0Ht972oAopp7Ks1oLKUR d88lkk/JTreaenuILW5NgQucrIphTpJZGBllBP8hvYgkEMNpJERGObRTpQIDAQAB o4ICfjCCAnowDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggr BgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRnJ/73fX/mk1QpEn5HVKHD KfayjjAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcB AQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlw dC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlw dC5vcmcvMDMGA1UdEQQsMCqCEWthcnN0ZW4tdGhvbWFzLmRlghV3d3cua2Fyc3Rl bi10aG9tYXMuZGUwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEw KDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgor BgEEAdZ5AgQCBIH2BIHzAPEAdgBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWW gXFFWAAAAW9er3BPAAAEAwBHMEUCIQDMo39PBWj+j6r7oDFIbIgAmcdWqpfnuAOo I1FxLWShjwIgU+pBn9V1CIJSDF2bHqVUXA2KdTDjw017hOdu0tg2BooAdwAHt1wb 5X1o//Gwxh0jFce65ld8V5S3au68YToaadOiHAAAAW9er3B8AAAEAwBIMEYCIQCY VRaCgEEOonaHn+NTTaB43zNb4F9gjo5efMtCz9d+dQIhAJ/fYP1FWmHHXOeYzZcb Oy+IrOS7hYcViRgxiUj1yelOMA0GCSqGSIb3DQEBCwUAA4IBAQApoxWPjB7eLXuZ +AzMa+JBE56xGUrIEFcp8tLHv75iXxohZcL+WsUaQqS0D44P1UzNn2gP/51wnONq GWQ9zU+iX0uvUvqnVPonTWoXWm//0WWAkWEDLhUy2u+hLmfhMpR6IRGDMf8Kllxi AFOMbYBaKwC58b2OUQHf3aSsHkkgiEl+v7s3tsYir1inruVy4xEEqWpqeZctb+sY fIgVC9Qrz4GQ4UvHoxLoW1VmuCgDvKYL1BnQCQ3UhCde02kDFgZoqxImsNY8DejB ZGCs3/SKlGdb0sGsLFIhOXRNJ9t6o2KtujvDAFEFPnDkLwUp6lZ4txCPpwqAAJpR B/pATkt6 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmaKrNlcN4qyAj1JMRbk6 UIpYUu9JmEStmMCA6RQaHcwo4+Mm25eS+EddWWFb8GigSi872Kga8eTnwB4i365f kPsoPDpKeHKxZ7wQW2EH78bgqzP7ecTS4vvOHXjFtPwws3abXD36+l2evffHfHoR SQZ631VmjLz9lOxXFq7Y/FVRpLJU1LyGK4Gt1pvk+e9U12dpyTOTpoR14lm7WzOJ XMgOBpsj5l68FgfsnQlzZo78q4zFINeEXXJhoez3CJvVPu+XOIls0Ht972oAopp7 Ks1oLKURd88lkk/JTreaenuILW5NgQucrIphTpJZGBllBP8hvYgkEMNpJERGObRT pQIDAQAB -----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 303604954919692490645285261772685841870443 . . . . . . . . [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 2020-01-01 00:19:13 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-31 00:19:13 +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 'karsten-thomas.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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 19394675633711109092217302803436583662361469861543931256075665010135913379183178690540898341024108866751626398943450045048299783404242837172157782279309941707126437063669899634972023246016670310996388099910166863044830294130960300450512881690994990532292183090367882922650434779170488376352388262617073272117505972346012169750103892330484659287041017949999073963037537051564978761710868031244248360543364964071970187722632487205436307080365710398038786519392217828501461572746447556103692354265989566065004649205407161946631223342149167993265447710590076586245695753393459526358300646167610800177053638014445294998437 . . . . . . . . . . . . . . . . . . . . [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) 6727fef77d7fe6935429127e4754a1c329f6b28e . . . . . . . . . . . . . . . . [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 (44 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'karsten-thomas.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.karsten-thomas.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f5eaf704f0000040300473045022100cca37f4f0568fe8faafba031486c880099c756aa97e7b803a82351712d64a18f022053ea419fd5750882520c5d9b1ea5545c0d8a7530e3c34d7b84e76ed2d836068a00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f5eaf707c00000403004830460221009855168280410ea276879fe3534da078df335be05f608e8e5e7ccb42cfd77e750221009fdf60fd455a61c75ce798cd971b3b2f88ace4bb8587158918318948f5c9e94e . . . . [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) 0029a3158f8c1ede2d7b99f80ccc6be241139eb1194ac8105729f2d2c7bfbe625f1a2165c2fe5ac51a42a4b40f8e0fd54ccd9f680fff9d709ce36a19643dcd4fa25f4baf52faa754fa274d6a175a6fffd165809161032e1532daefa12e67e132947a21118331ff0a965c6200538c6d805a2b00b9f1bd8e5101dfdda4ac1e492088497ebfbb37b6c622af58a7aee572e31104a96a6a79972d6feb187c88150bd42bcf8190e14bc7a312e85b5566b82803bca60bd419d0090dd484275ed36903160668ab1226b0d63c0de8c16460acdff48a94675bd2c1ac2c522139744d27db7aa362adba3bc30051053e70e42f0529ea5678b7108fa70a80009a5107fa404e4b7a