blog.a-rosa.de

Issued by R3

About this certificate

This digital certificate with serial number 03:ec:b3:b4:c7:5f:d3:46:93:c7:e3:4f:fe:a9:dd:ac:b2:21 was issued on by Let's Encrypt.

With 5 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:
  • 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=blog.a-rosa.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ec:b3:b4:c7:5f:d3:46:93:c7:e3:4f:fe:a9:dd:ac:b2:21
Serial Number (int): 341882366857093826752743380727938904011297
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: de:2c:4b:6b:4c:6a:9f:07:e7:56:df:ff:eb:88:f7:de:cf:47:8c:f3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 39:f3:2d:e1:18:c9:bc:7b:3c:57:69:d9:f4:f5:96:be:0e:c8:cf:f8
Fingerprint (sha256): 4e:6c:9c:19:9b:b5:a0:13:52:25:40:e0:e0:ef:f6:6d:a2:50:58:04:ff:2c:6a:a0:63:f7:55:60:af:38:1a:bb

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

Revocation information

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

Check the revocation status for certificate blog.a-rosa.de

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blog.a-rosa.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

blog.a-rosa.de
rivercruiseblog.de
rivercruiseblogger.de
www.rivercruiseblog.de
www.rivercruiseblogger.de

Other certificates including the domain name a-rosa.de

(limited to 100 certificates)
www.a-rosa.de
kurs.a-rosa.de
webmail.a-rosa.de
webmail.a-rosa.de
sslvpn.a-rosa.de
a-rosa.de
afleet.a-rosa.de
a-rosa.de
blog.a-rosa.de
mail.a-rosa.de
a-rosa.de
mx01.a-rosa.de
mail.a-rosa.de
kurs.a-rosa.de
m.a-rosa.de
afleet.a-rosa.de
kurs.a-rosa.de
blog.a-rosa.de
a-rosa.de
a-rosa.de
a-rosa.de
a-rosa.de
booking.a-rosa.de
blog.a-rosa.de
blog.a-rosa.de
kurs.a-rosa.de
blog.a-rosa.de
blog.a-rosa.de
webmail.a-rosa.de
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mail.a-rosa.de
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old.a-rosa.de
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a-rosa.de
booking.a-rosa.de
mail.a-rosa.de
webmail.a-rosa.de
a-rosa.de
www.a-rosa.de
kurs.a-rosa.de
a-rosa.de
a-rosa.de
kurs.a-rosa.de
kurs.a-rosa.de
resort.a-rosa.de
blog.a-rosa.de
mail.a-rosa.de
mail.a-rosa.de
a-rosa.de
a-rosa.de
webmail.a-rosa.de
www.a-rosa.de
m.a-rosa.de
www.kurs.a-rosa.de
a-rosa.de
afleet.a-rosa.de
a-rosa.de
a-rosa.de
www.a-rosa.de
blog.a-rosa.de
a-rosa.de
a-rosa.de
blog.a-rosa.de
mail.a-rosa.de
a-rosa.de
blog.a-rosa.de
a-rosa.de
www.a-rosa.de
kurs.a-rosa.de

Certificate

The complete raw certificate details for blog.a-rosa.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1M9Y5cSlY2DnMV1KlD05
ly2BUBHjtKczQbOfPFwA6Qf4JxAEMmtM5xb6U5k+8nDr2fJ5OxNCeQLyBxc3EwVy
MGVFxwcVSX7QlhR8gAd66uKdRRLDypU4vAF+UGMIzfrq2qrLIE2lOmyUtVvaCvE/
pxdUbIYPmD6SuZtdsMYvvqHn3HHu1LDlVQkA97/RgP8NuPyn97ZXJ+FFJl0jnXLj
ZjeuSdIlNZHAPmSlFwpH29KrBDhFCONUsQ/BhCFLr8otFt2KowrcygfyrGQJngGC
19FxUaqG5XHaEyhVPLlLQ/OulboQf5SM7M53QVu9qWpV/5s5cCc0xXYpXBt/U/Qi
HwIDAQAB
-----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 341882366857093826752743380727938904011297
 . . . . . . . . [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 2023-10-09 00:24:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-07 00:24:07 +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.a-rosa.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 26864767395518284957875785928732305947629417183404636906309919103772800192332695946756831125099388634386068337601953450925422275900451696470818581805678404783004732604986147817657782624431753118518916456102862257120330995675528089047973809157738685271422681261428171127919049114200568687750326534740837672510103247849756299490084514689732647045798187459786533386086129899565727765845788833914993726897094801969902764359368259992079347421839220704522749186998613311700230437172500699126626681526666686868832646525681979778878316981809621440922783031455913117063107917335528527227219555776131408582254189675186717205023
 . . . . . . . . . . . . . . . . . . . . [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)
							de2c4b6b4c6a9f07e756dfffeb88f7decf478cf3
 . . . . . . . . . . . . . . . . [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 (112 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.a-rosa.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rivercruiseblog.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rivercruiseblogger.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rivercruiseblog.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rivercruiseblogger.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b1208cd990000040300473045022100d3d2ebb3c2846d7218ab9c1a6eeec11848efc180c0cf0bf876d4abe32cefb2db022006b4cff3e6828a2dfa050ed17c926137bcf760aaa7c17016c2e40247557a090f007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b1208cd91000004030046304402204d5f52c54fb47e8c65adcc858aa34813aa82c06b139dc951d8e703d9dddbb5490220383d1d3ecdea76d22ae7e71ffe31bb407e20500b3cae291f7a10ae3a9e1973eb
 . . . . [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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