flatup-app.de

Issued by R3

About this certificate

This digital certificate with serial number 04:a1:ed:3b:9f:dc:e7:33:d5:f9:3a:37:84:46:db:f6:42:9d 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=flatup-app.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a1:ed:3b:9f:dc:e7:33:d5:f9:3a:37:84:46:db:f6:42:9d
Serial Number (int): 403549941424232634257507973206977054917277
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ff:16:1d:d9:c5:c6:e4:cd:09:eb:e9:1d:24:a7:90:66:f6:d7:9c:c1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 50:ce:94:29:68:50:1d:28:d7:e9:8d:d4:15:f5:be:12:99:f5:a7:41
Fingerprint (sha256): 4b:21:4b:25:92:82:3a:58:03:7d:34:8e:d7:f5:ba:95:f3:7c:88:36:f0:f8:c2:8b:30:84:cb:21:73:74:94:f3

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

Revocation information

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

Check the revocation status for certificate flatup-app.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for flatup-app.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

flatup-app.de
www.flatup-app.de

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Certificate

The complete raw certificate details for flatup-app.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuJnN/LfpZfFxQ5NoBjeu
57/JeDcw05cluHDJnTWEB80eTyTYp0OOCxvjME9j51x7SbpzTFQcLDzvBIKF14Ed
si1n5YTG5O6icKxQ/0bENOScMUIysb992lleznoSLMHs2v0f+NVTpU6UmZopgz1S
4L6UUxHDKcyqVv2TYBZvb5zFqEeMux8Vu2G5bbJENRnxP4JiNbkC3Q1MpaGehJcm
b6w027RPs1mWdmK1xKnbBfIg75ezNCJnxCUGY11b9SxMMd6ooYBwfE+YJe3Ih4TG
KuYqoocErjnZ2H8plx3opKXPX4OkQB++/EztCQy+lQdx2QO5GZrvNeqX2fVr0s8a
UQIDAQAB
-----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 403549941424232634257507973206977054917277
 . . . . . . . . [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 2023-06-16 22:57:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-14 22:57:26 +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 'flatup-app.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 23303692007210579454162375731076238780369331344791333071872713404397685810324117226049431049621884089907390736649119379187979385649759535757508187966296331457523487141599191450450306637870970341836760667116833919078430367468588088679463742514280393997783906947488679470295985324757322659129471432311832577472852388274105800719434148159608182624783589309359234890967657006069346645007284723738974347601568120605435690976788789275506308011510108427828744083047671463524042113962208072604049657934852603769031844544848731527143356159070809896515826987162170343961369854162230993693248970679615769507655678724735002155601
 . . . . . . . . . . . . . . . . . . . . [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)
							ff161dd9c5c6e4cd09ebe91d24a79066f6d79cc1
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'flatup-app.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.flatup-app.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)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188c6a477df0000040300473045022008634d54747fec55a0b7753787d82125f9a0a775ccdbcc712ef51e7919d4890d0221009aad9dde89db6cfbcb869dfddc384e257b40059a88be96a156c78692132e5e00007500e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000188c6a47818000004030046304402202b67ff2859b970e9f4d1c125d97269988bd8f2021ad28c092d1986a6ea07e40d02202c5da9ca28a6d5f98482c1d7fc5f6e9d9fd16a38bcdcd4f94b621d871f503fd7
 . . . . [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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