mx02.mail.klinknetz.de

Issued by Let's Encrypt Authority X1

About this certificate


This digital certificate with serial number 01:d2:6c:5a:c1:bf:8e:98:dc:d0:da:87:3f:0d:2b:85:02:fc 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.

mx02.mail.klinknetz.de

Let's Encrypt

Organization: Let's Encrypt

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:d2:6c:5a:c1:bf:8e:98:dc:d0:da:87:3f:0d:2b:85:02:fc
Serial Number (int): 158715610845101127238582134318565215765244
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 24:18:3b:82:35:33:86:ff:ce:a9:0b:aa:fd:61:8e:1a:cc:9c:99:c0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5c:79:e5:ed:87:66:a9:b8:b1:51:3d:29:e6:16:79:91:0f:98:13:96
Fingerprint (sha256): 1e:e2:46:44:55:49:f6:4f:13:1a:8d:a5:be:a1:e8:bb:e2:66:77:3f:4e:77:fc:06:87:c0:0d:ce:a9:2a:ad:df

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 mx02.mail.klinknetz.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: mx02.mail.klinknetz.de

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIGEDCCBPigAwIBAgISAdJsWsG/jpjc0NqHPw0rhQL8MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNTEyMjQxMTUxMDBaFw0x NjAzMjMxMTUxMDBaMCExHzAdBgNVBAMTFm14MDIubWFpbC5rbGlua25ldHouZGUw ggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCbvwsUQN6BEx5gld/waIWA FIV+M7p5cvpxrZsOfZFpRgFG/9S+xZo3sLtL6IC6iuA4YeUK7UawXcAzG2oFSIdc /i2ZV9LKxXOdFMsBIDaxCF3DS2HAdp+x2lJOHhHTOkh7iudFmPNHNDuAXeD9rHC3 5XJ4na4kyIiaW5nUmxKr8w1Mm7ANx3FDFp7JY99917SSNKWFmJXfM8Pltu0oTvQ/ eVEV0Fv1Kz44uz6JdH3+s+G5DyVPCHQ5hsRHKVBBrUPWKD5hIkuXF81kPvXUDO/0 5buHgf0vTJz62lCJ/SKSLTksjQYekMLQVh2dVBRttJGv0w4z1wzygKw2ojcjV3Ht SCyZd4zSC7xA10yvEPPpbXbHMvqmvIS1qRA62iLSB4zH1SBJSNhuOF56v6xI1ro5 fnA6bUUMNJgn8s9FmZlh0+Er8wwzfzOgjDuuXw7+f/0PBbMDorzeQ0PGjbVoVTTd +guEd90ZeYtGNqYYLIpc1jy4eFr8fQaAabWdbsFkPmox31/vhY/1Cxo7iBVprIaa M+wwQnCfpdoM/8v76ZgGGhPS4If8nR7eolPQjx5m1dTFGMJCOfsuAcr12KQEGgB/ Jie/oYyX6ke2E6tzM00EIo37jlVhUyD7w3/H8oKjPsj1oTS1yZ8G89+bamJMTELj PZRSLKaBtaAVEhZ+3X9EHQIDAQABo4ICFzCCAhMwDgYDVR0PAQH/BAQDAgWgMB0G A1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1Ud DgQWBBQkGDuCNTOG/86pC6r9YY4azJyZwDAfBgNVHSMEGDAWgBSoSmpjBH3duubR ObemRWXv86jsoTBwBggrBgEFBQcBAQRkMGIwLwYIKwYBBQUHMAGGI2h0dHA6Ly9v Y3NwLmludC14MS5sZXRzZW5jcnlwdC5vcmcvMC8GCCsGAQUFBzAChiNodHRwOi8v Y2VydC5pbnQteDEubGV0c2VuY3J5cHQub3JnLzAhBgNVHREEGjAYghZteDAyLm1h aWwua2xpbmtuZXR6LmRlMIH+BgNVHSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEE AYLfEwEBATCB1jAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5v cmcwgasGCCsGAQUFBwICMIGeDIGbVGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBi ZSByZWxpZWQgdXBvbiBieSBSZWx5aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNj b3JkYW5jZSB3aXRoIHRoZSBDZXJ0aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0 cHM6Ly9sZXRzZW5jcnlwdC5vcmcvcmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQAD ggEBAH1aBbabtUUz1WAE6wSzz05kTIobO+OJNwOib6gBr2esvnrQDnOErlOrpvkf BABcMIQI0sJOqrdHDZ/pI9TIM6oPuVbdASFiXeRl3HQ8h8iStROfhrOPz58UNT/Q aWvygM9ge7SrYjQ42riS498AcQLORo1nB+4x2hmeVTOu2S36/EgxWNEfp9zNR66O PqK+EgZRr3mcGDG9CE3oykEH1g4oiVgtoPZf40r7Xe0IlEcAN0oO/RuOFKPONPPK M2zheB1tlz36lyLFCIwt8oPDjx6g153C100I3XpFj1JzKn8mtNckXQAqZF/ETu1F iabBCRx1D58x50fBI3Qg4va+E2A= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAm78LFEDegRMeYJXf8GiF gBSFfjO6eXL6ca2bDn2RaUYBRv/UvsWaN7C7S+iAuorgOGHlCu1GsF3AMxtqBUiH XP4tmVfSysVznRTLASA2sQhdw0thwHafsdpSTh4R0zpIe4rnRZjzRzQ7gF3g/axw t+VyeJ2uJMiImluZ1JsSq/MNTJuwDcdxQxaeyWPffde0kjSlhZiV3zPD5bbtKE70 P3lRFdBb9Ss+OLs+iXR9/rPhuQ8lTwh0OYbERylQQa1D1ig+YSJLlxfNZD711Azv 9OW7h4H9L0yc+tpQif0iki05LI0GHpDC0FYdnVQUbbSRr9MOM9cM8oCsNqI3I1dx 7UgsmXeM0gu8QNdMrxDz6W12xzL6pryEtakQOtoi0geMx9UgSUjYbjheer+sSNa6 OX5wOm1FDDSYJ/LPRZmZYdPhK/MMM38zoIw7rl8O/n/9DwWzA6K83kNDxo21aFU0 3foLhHfdGXmLRjamGCyKXNY8uHha/H0GgGm1nW7BZD5qMd9f74WP9QsaO4gVaayG mjPsMEJwn6XaDP/L++mYBhoT0uCH/J0e3qJT0I8eZtXUxRjCQjn7LgHK9dikBBoA fyYnv6GMl+pHthOrczNNBCKN+45VYVMg+8N/x/KCoz7I9aE0tcmfBvPfm2piTExC 4z2UUiymgbWgFRIWft1/RB0CAwEAAQ== -----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 158715610845101127238582134318565215765244 . . . . . . . . [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 2015-12-24 11:51:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-23 11:51:00 +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 'mx02.mail.klinknetz.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 635389317164136923780846516602562887330169025573158395447829096506377037520012343283696418993334655680761443341880869120717240478279892829510798856108055663649945828537237935688180706366774667623354994217323360395112049863183193680077756855385806024866777151990369026422206414842624385716951757633948803660424779005299340594653626587302857583132777706348990791001141238715670570308122401910818631560337381064578104951455456368407646740362098510526672164364910464222346905540408188712326025544119160430021975424544179567057949472993128547641069178862787592413589548704351700142992718999304761925039595783224337522002617225485953602336721688892171035214802508885076416563975885763721008842558787844996097458252663247130179732197462453759476471450338261647419997353980512683364462840248817705781265332558774609654508450777017117458994030679698754207594216178938849186450539738909858549142485239076597395610275763775475489755697378328974115103523738735875835521431588355593573445519238093787377153283810307162262830364329127132545880487283814677854867074039404912804064652578758658003551295403166396093994179372405946278809390232270474108005650297028721607470857908647172667187535466651584519427733360279883395733392874742176841801352221 . . . . . . . . . . . . . . . . . . . . [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) 24183b82353386ffcea90baafd618e1acc9c99c0 . . . . . . . . . . . . . . . . [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 (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mx02.mail.klinknetz.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) 007d5a05b69bb54533d56004eb04b3cf4e644c8a1b3be3893703a26fa801af67acbe7ad00e7384ae53aba6f91f04005c308408d2c24eaab7470d9fe923d4c833aa0fb956dd0121625de465dc743c87c892b5139f86b38fcf9f14353fd0696bf280cf607bb4ab623438dab892e3df007102ce468d6707ee31da199e5533aed92dfafc483158d11fa7dccd47ae8e3ea2be120651af799c1831bd084de8ca4107d60e2889582da0f65fe34afb5ded08944700374a0efd1b8e14a3ce34f3ca336ce1781d6d973dfa9722c5088c2df283c38f1ea0d79dc2d74d08dd7a458f52732a7f26b4d7245d002a645fc44eed4589a6c1091c750f9f31e747c1237420e2f6be1360