www.xrstf.de

Issued by Let's Encrypt Authority X1

About this certificate


This digital certificate with serial number 01:0c:52:6d:91:ec:62:82:78:e3:e4:50:a0:98:4b:2a:60:91 was issued on by Let's Encrypt .

While the 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.

www.xrstf.de

Let's Encrypt

Organization: Let's Encrypt

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:0c:52:6d:91:ec:62:82:78:e3:e4:50:a0:98:4b:2a:60:91
Serial Number (int): 91305239950501177751039494332816537837713
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 99:97:2b:df:6c:e6:74:c4:fa:f5:94:a9:df:93:6d:55:ab:03:a9:0c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6f:2a:57:04:e0:05:23:71:f8:35:83:3a:be:16:33:40:db:45:97:d8
Fingerprint (sha256): e8:83:71:ac:b3:5c:fa:37:9c:90:c2:63:28:04:86:3f:ff:0b:86:6e:62:53:1b:84:ea:3e:02:e9:fb:73:b5:b2

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for the current certificate on www.xrstf.de
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


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

This certificate doesn't contain any other subject alternative names besides the common name of the subject: www.xrstf.de

Certificate

The complete raw certificate details in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIF/DCCBOSgAwIBAgISAQxSbZHsYoJ44+RQoJhLKmCRMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNTEyMDMyMDI5MDBaFw0x NjAzMDIyMDI5MDBaMBcxFTATBgNVBAMTDHd3dy54cnN0Zi5kZTCCAiIwDQYJKoZI hvcNAQEBBQADggIPADCCAgoCggIBAOBQWDZi7xPT7HJhPqPSxVnxzYLRKcx5FYuX vU+ooP2x/XeoAjKjNWAo2KrjebGBMQ/HPSSUvGksdN/2pL7Mw2fyXKwqx7xtUJAW juWWYpErdpMk/WcquAgaxjXVvwvpgr9+HvmDb5o/3aemiriu17WUucC6V6A8u57Y owGu067SZ9m0VuKHt9toKMil4mkxtn3k870u6R0Jg/LcRtVNPswhGyYcxtgdCBDg RQoABxf54etlBc90+CAltsSArAfcrQveUqhCLR3q4bqxe9jvL+2HTmw2et9t3xfv FGh9puJEnyKoRszEDMhWh0bEiHkqmFnap4A0AKBZ8SSfE99vMCzP7uE4cfpEZ3yM F/8TKTdX/95yVcuFK4a9hXyVcJrCgYDB2oB2zjXYnyfhkA095g9s47GucZoAFAQ4 0HHCTEIrtthjTaPVg1bawWBjELIGzKPT9P/5lS7kzkxE5vRwzQedhhZyzhgfBFR8 PoqIgyVa1JxXaPSeN+PavS5zlAT+IZbh9ACehkT+OKRoGD9KxwGbwD9CDrpgAuFW JukVUR7kY7mnUHCdZp+g8oze0M+OJQxLvOdJtyEUre8jjDFVdYD9nMhA7CIVg52m vVM6+0MzgPO8lWydy1FBVxzSfyOCdp55o2KlHzR/+ukE9UGnGcmnxgTJn8vOCH3F bAm8FD8JAgMBAAGjggINMIICCTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFJmXK99s 5nTE+vWUqd+TbVWrA6kMMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh MHAGCCsGAQUFBwEBBGQwYjAvBggrBgEFBQcwAYYjaHR0cDovL29jc3AuaW50LXgx LmxldHNlbmNyeXB0Lm9yZy8wLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 MS5sZXRzZW5jcnlwdC5vcmcvMBcGA1UdEQQQMA6CDHd3dy54cnN0Zi5kZTCB/gYD VR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUH AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyB m1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVs eWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2Vy dGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3Jn L3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQA24TW5TA5XXFJ5bSIKVv8h qDFWXiaj2MWSUmXc57E1HoNHT9S8zJCgXdtitGWjDNkOYBqa5Al8xaMXFvBPzvzb cucCmqN/XNEDcukZAlkR1jE4uk5AZ6JgF7GNPKuh9glfK5B9s4GXNrvo9mn40P5L jY2KiFoQ2R5Uell3Kl0gtcz3WRmOJK+iKlKUTKCprL4HSWtxvqtmRL3RxZp2gyPC goAFVCs8B3ayV9SqpiuW19pNztCQuIg0HOVvQS5e1fIXdY2SbLK03RtGjVFn6u5I 9wtUJBCWlZC7b5w3QbEE2To+TC2HTnJmr9yxN1k05/1hcY5he90sF/Auv+RmA4Jf -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4FBYNmLvE9PscmE+o9LF WfHNgtEpzHkVi5e9T6ig/bH9d6gCMqM1YCjYquN5sYExD8c9JJS8aSx03/akvszD Z/JcrCrHvG1QkBaO5ZZikSt2kyT9Zyq4CBrGNdW/C+mCv34e+YNvmj/dp6aKuK7X tZS5wLpXoDy7ntijAa7TrtJn2bRW4oe322goyKXiaTG2feTzvS7pHQmD8txG1U0+ zCEbJhzG2B0IEOBFCgAHF/nh62UFz3T4ICW2xICsB9ytC95SqEItHerhurF72O8v 7YdObDZ6323fF+8UaH2m4kSfIqhGzMQMyFaHRsSIeSqYWdqngDQAoFnxJJ8T328w LM/u4Thx+kRnfIwX/xMpN1f/3nJVy4Urhr2FfJVwmsKBgMHagHbONdifJ+GQDT3m D2zjsa5xmgAUBDjQccJMQiu22GNNo9WDVtrBYGMQsgbMo9P0//mVLuTOTETm9HDN B52GFnLOGB8EVHw+ioiDJVrUnFdo9J4349q9LnOUBP4hluH0AJ6GRP44pGgYP0rH AZvAP0IOumAC4VYm6RVRHuRjuadQcJ1mn6DyjN7Qz44lDEu850m3IRSt7yOMMVV1 gP2cyEDsIhWDnaa9Uzr7QzOA87yVbJ3LUUFXHNJ/I4J2nnmjYqUfNH/66QT1QacZ yafGBMmfy84IfcVsCbwUPwkCAwEAAQ== -----END PUBLIC KEY-----

ASN1 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 91305239950501177751039494332816537837713 . . . . . . . . [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 X1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-03 20:29:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-02 20:29:00 +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 'www.xrstf.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 915120651270377400662704099914757131064270108555867522638217281232225126462103193328405468593135147098610622589430910897502008957956526091618595756343358983818412807749155314901980095954778041611474590258167552028688290055641126755768507043821163123768420167560715303712648716123856382311715253458206698995476454945196999666963361344969986720496802925315405998712136769350368079795329698659565957583862768615331984553704604923058607294310533307104048976363773087154612816041389804480794802929353232859773846529851070953968098475913823671761878863835142172971890147517323275534223880306695082303274556918651416627184167544882226732585378966243340323105479657814576394253155985778612211526144131439886921835802065960322808482327470672945763812259671020956667325009868063386706263082966728056373958099930056304025828010148743956365186580151928197789689731662268344724278637328241518369492620997205362646908581381976532410930183954990296314201282493269032068169220124243907492570948120060707768361125196714569248004434564972038950108222896797299963378518024258666200347408359367244746197320708168230664907244129911278734854742443364139464155405735549112403281803902952345866130427352858988690233598339480164612326039658165576460724879113 . . . . . . . . . . . . . . . . . . . . [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) 99972bdf6ce674c4faf594a9df936d55ab03a90c . . . . . . . . . . . . . . . . [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-x1.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-x1.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 (16 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.xrstf.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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