rufbereitschaft.spring-media.de

Issued by R3

About this certificate

This digital certificate with serial number 03:5c:74:87:4b:dc:03:3f:ec:46:9d:71:92:95:c0:39:1a:14 was issued on by Let's Encrypt.

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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=rufbereitschaft.spring-media.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5c:74:87:4b:dc:03:3f:ec:46:9d:71:92:95:c0:39:1a:14
Serial Number (int): 292797728498205952781639498503289457678868
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2c:d3:0c:9c:22:2f:71:f2:be:4d:28:18:50:f7:88:af:98:b2:53:5b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 71:2c:35:09:a9:28:d3:a9:7d:e5:c6:be:58:98:93:09:0c:ed:36:e4
Fingerprint (sha256): 15:73:e8:7c:86:e3:9e:4f:05:d1:e4:71:01:63:ee:27:b2:64:ff:11:ca:f7:f4:6c:cb:35:71:05:20:33:5a:a0

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate rufbereitschaft.spring-media.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for rufbereitschaft.spring-media.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

rufbereitschaft.spring-media.de

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv7FOh/lQZIp1hInF6ZW8
Ef9TU6/qwghcq+5lDuwb7a41Bem5VlQh5ShkuVA7m2y77AMhKSNR2WUcBo8sEs7i
5leugXnNbaL2Jn7JPMp9sVWaBxYkWFrRJOMvRE+/W0AetVxPHtNRHG2k9AkRGoJa
LYdQ09wZcOnhcRsaIr6X6/XK5+p3Od7kK/m4/n8Ob/6B79kb5irzWV6jfuS/+1AL
xX6LnODSUk1LRrIF4+HdVOJYJE2ybTf3NOA6ElmW/zalerfT/LyfC37PRHtBIxab
mTGuthNmCIjCZDQ6D7A1ki58702r6ghlpXF8Gq/3bU/toX92NX+K6HZr8ozDzQZu
twIDAQAB
-----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 292797728498205952781639498503289457678868
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-04 16:22:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-02 16:22:08 +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 'rufbereitschaft.spring-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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24198949471686601679184288297875983565024887583164556810380108442931815528504234525839294133483062334085115443040382280005039855733305722923380483362120549425272641558609123491894926789480779199899396472236404777387313033194531254401691250238010084038834079023394208966186217287469647156698590471010094723230190207571725444917349468708068913630061974894893798330264277957315864387973126478792181899167485638454534322135250207591154050325221961048325449875049690410087385793844076974845098555597033196535576873068473861458250075678493144365317201892975795535664053132404732864665497231024038851227419619305146110340791
 . . . . . . . . . . . . . . . . . . . . [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)
							2cd30c9c222f71f2be4d281850f788af98b2535b
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (35 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rufbereitschaft.spring-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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018afbb616450000040300483046022100f728e650c6635b4b871bb539803489fd6d6bda970a5948dda0c632a00f3ece450221008971878dee9dbf751f347788bfced40b21f182970d730ed1cb17a897a7603201007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018afbb6165700000403004730450220634b8cc5f6e9a3caab27aac5b0fe5e27b33685ed57c9ed9380d1ab3db85c25ff022100eeb7816843ff8f036441798e0ab999c54cdf58a76d92f13d8c54c96f910197b8
 . . . . [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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