blog.r13t.de

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:09:1e:40:be:b3:01:77:f1:33:2d:b6:61:f6:69:aa:41:f0 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=blog.r13t.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:09:1e:40:be:b3:01:77:f1:33:2d:b6:61:f6:69:aa:41:f0
Serial Number (int): 90215040248761306793037063845386797072880
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: a9:e5:3b:25:6d:73:b1:81:e2:8a:ac:b4:0d:e6:b9:76:ef:9b:2f:2b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ab:66:8b:e0:b1:51:ca:e4:f0:c7:e4:48:2f:76:a2:34:19:64:c5:2b
Fingerprint (sha256): 6f:65:78:47:14:9a:77:33:1f:6b:1c:df:16:97:82:6a:01:9f:e5:51:5c:e0:67:c6:ee:64:21:69:7b:54:4a:30

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

Revocation information

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

Check the revocation status for certificate blog.r13t.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blog.r13t.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

blog.r13t.de
r13t.de

Other certificates including the domain name r13t.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for blog.r13t.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA13LpthLNL2VAePcUJGGe
IA4DqfBLPo/LKBv3XPZYCEUG51Dhmqf/MunKv8+PmpcGdKEx9JxZt0w25/pvv7Fy
A2BLy9+3NaykLvTA2X6TEEpbZ8eTMyHKWA4PzMN+wG5l7Ieu0QqY/2c0bQZD13O/
2PPJcdEFyraEvCZAu34x9zju9ir1pGc8qbNb7b1o5DB2Cl2HiR1MGoUaj2xCB7YL
Xw5AS7K4Fm6NOrfwv90XA6wEaFww9lw0QpLH3EFVCVYP6kbT0lTc6UNsIziMBt8b
dSXs68AsYiAVc/vUAkYCqao75MPan3k/TntPtYxBO876pGkrbwT+qRODDjXWbwrC
Wgy2tHDYiAsg12Z5YyXSwMYeOaFfR791EF0Aoda0UzRfwb1tMLX51JnhrxfaL67a
ATYY0bcEh/1R1KswqaidnuGCvZn9lnQSApFQSEoNFey5VRibisr/1f7MUKHwNSEd
sybGzCIov1VOTWlS1HiT6oxl4lqAJHBvk4T5ik6QCH+guaRfogmIUKpr2I048Xyu
Cfg2c06IB/oCm6KZ33ljee4nBTpbPRd0rwrGPPas92qBoQbnD/XVmTnzxgg7/uVE
ShV0C5yQjMcrJrWSATGyBYp6Wq6CAnJhe3nzRC9jugQi3+YjPRgskHAPPZqNsnep
KjS0XQfvnGT3sUEKQYYmitcCAwEAAQ==
-----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 90215040248761306793037063845386797072880
 . . . . . . . . [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 2016-03-09 14:30:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-06-07 14:30:00 +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 'blog.r13t.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 878954739747180455871642663023974999192183647590631241337483302295985270079896823718290006543473710570661280570015768219158687192140724192708390375349564770973692571222370434893308034625150756234356961339461841346775676355836117078520166088340577813232416365067101950575216788894532043208159008627346343148779492999138423075557345041727603957414303929702865177265328415933051937876503075954214843553272106653974251376527406415917574602046539958433992978804323748199652720548405514789427388847803380390965767558018706640918475845965836298837482773489721412786026071073056724720774635492089798279731560031197128862710374292869654340254376058844498880969119872945890191482442349072574622397161616305642515685842978801299676584953120348469937405574436249660925136884264155099661701307828263049037050834318386470569843575141177857979203612785816330957206802165195561214951064519776128575090668579300157020508916031641092270137990624007852240647786969047016756096531195697059686353076588933419686086120905434288778207819198313893291241232109287407079822809627622581465601409991307976693224450922801179278849196528405288510585491702447961328391229596851636472875477485191324649602881500321321104241915581098179714848041186643441446424054487
 . . . . . . . . . . . . . . . . . . . . [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)
							a9e53b256d73b181e28aacb40de6b976ef9b2f2b
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.r13t.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'r13t.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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