medi-media.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:77:37:e1:ab:6f:42:98:1d:76:d8:45:ee:c5:d1:2d:95:4a 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=medi-media.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:77:37:e1:ab:6f:42:98:1d:76:d8:45:ee:c5:d1:2d:95:4a
Serial Number (int): 301904738742540735971272107636538045470026
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 53:1d:be:61:be:87:ce:45:b7:2a:93:ac:15:e8:d3:26:e0:9d:9c:b1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 86:81:c4:3b:29:ba:0f:1f:a3:00:94:0b:8e:cc:49:3c:bc:e2:fc:16
Fingerprint (sha256): eb:b1:de:77:c9:61:ed:b2:ab:30:48:54:5a:da:e0:80:63:28:97:3b:fd:ed:fc:a1:95:f3:24:87:39:47:b4:ff

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org/

Check the revocation status for certificate medi-media.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for medi-media.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

medi-media.de
www.medi-media.de

Other certificates including the domain name medi-media.de

(limited to 100 certificates)
www.medi-media.de
medi-media.de
medi-media.de
medi-media.de
www.medi-media.de
www.medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
www.medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de
medi-media.de

Certificate

The complete raw certificate details for medi-media.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAspxV8AC68jgKZUCpJeKB
1nUuOPBfmoDB2aOGKB+vDYLVZ2FdC3RoDyUTEfkqLA2ZNIDUI+xQyZkmCkIv/t23
46k4xqHekZQ0bg97StPgUmNkzXgeHovp9h1sqI4s4Q5GdmOC/eRe7FOGnov9A+qN
nkPmUUnQNOibz0N0y+93syRL6o44LZ8HChRsMfe+63iSL4VDwwW6d22z7sCSO4j8
82HbjC6INRbdnuYQLUB3jSFqRCX2WmuIMdIBQ1KbgRA/BYl6AYjYEyfhBPfSMgQN
uwB2bRih0GHidSOsIlGOa7QCIfXYdNRywKLKlohihY86PHqh1rO8pDSkWBfJ3DFP
93C8Ipx850JPB07sfM0/EaycSmn/+ED/t+W2ZPHQZSgmobQwrVNyKa5HbyBHyudC
vnbazlxCNGve8quWuN+mxy5cgcZvGdAkii9vuZO8IWoOEYnpixm2iIlc2MzceZFn
A3KjBWZxKHWIORzdi0NXplFi8dZEMFs5UVeFGpWGqu1emRKC9Ocnz0Pn4cSnQAwf
Cm1o2PZxaGw66CrqHqdxKBDC0XoKkgXEqruzVyHRs+gbqrSa09W4AZ/j0fZOmdE7
HhvCE0thLfJ1h7G+mbiH7HwyIZH1wIAnoxo/oQEAQGD+xy3m9zBkG9m73VcMNJUr
wC7psyLgfx8I1OcxS7MxqHECAwEAAQ==
-----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 301904738742540735971272107636538045470026
 . . . . . . . . [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 2016-06-26 21:03:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-09-24 21:03:00 +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 'medi-media.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 728668026858406671111744554377401586697341978778535706274174272756595500366889617036353162719861539357070874080533466592547509176102731302396174962103118342270174562876639812258467661250889978458093041473362014836341140466064124065410167414839023643569233080874867754241135097988879335083936719065953710484153909802722621184794770634424027144747692593840307914311932691225412981849029796414524883521661127353935591730226823125675231755449476942944220987339680799577473010078341960473630214976691325744499767869511205718685763275011392109985720778714280936068795434945345100957980959474267859853640328874650160024090782550116625395054456688145326412006532793254369366157713507309387888541319904781757338802581523620088373857775000608711953898247305421645570405349008669005466832482379024990091871966413448066097674441740106882878726257473371862308893211731753681502252450886190690800931916773161786873755538727703640285729417054899732310299877249004805868409011626745073002724194522346664047684909965158221903472485093889048807833402654614283075963205959387170007252893163128019910814864315447554898666712237364157706116066936360372818699687241911668710196914095191790511085896462712384962866881729344657693122049387949652629752227953
 . . . . . . . . . . . . . . . . . . . . [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)
							531dbe61be87ce45b72a93ac15e8d326e09d9cb1
 . . . . . . . . . . . . . . . . [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-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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'medi-media.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.medi-media.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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