barth-herzberger.de

Issued by R3

About this certificate

This digital certificate with serial number 03:46:64:c5:72:68:28:b5:1f:f9:a2:c0:97:03:4d:6e:a7:3d was issued on by Let's Encrypt.

With 3 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=barth-herzberger.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:46:64:c5:72:68:28:b5:1f:f9:a2:c0:97:03:4d:6e:a7:3d
Serial Number (int): 285290571482253077415379573514754275059517
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3b:a6:5b:4b:64:8e:57:e5:7b:0a:fb:1a:20:c4:48:c8:b7:1d:51:75
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): cd:91:ef:ac:29:83:2e:99:05:68:2e:2e:2e:92:29:fe:45:86:ff:55
Fingerprint (sha256): c4:f0:34:ef:d7:1c:21:9d:38:79:7f:11:a7:a3:00:62:c4:84:75:7c:2d:59:fd:36:30:53:20:6b:d1:7d:80:9b

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

Revocation information

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

Check the revocation status for certificate barth-herzberger.de

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for barth-herzberger.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

barth-herzberger.de
webmail.barth-herzberger.de
www.barth-herzberger.de

Other certificates including the domain name barth-herzberger.de

(limited to 100 certificates)
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de
barth-herzberger.de

Certificate

The complete raw certificate details for barth-herzberger.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq8Hiap3X/PK/7UQ6qAlk
ESuzUwv3TkZFxu/FUvFR8qsqtHzZkbzGlc/9QkO9lPdVhu3CecsBnOt1eHhHH1Uo
TvqkuBg8iqnzcgaLBWBGxv/ThlAT3foWsQCxrrLg0/w6DJ8wOY6ObA+0pV09Ipgy
V7xtJdQq6K/v+Vy3APhXydxT0SLaMuj9w+QXN2PjRxHJjFHhSIXbozR950YPTQvS
HmlvuMNRvu2obBUGlz+c6LBz3FTpkdrkXVTeJutZGGT2fS/j1bhonNCmHHjC8g65
hTOiDti+fX2znD/URjHEERA0654kBqHwCH7Oj/BgHRZzS/qDj/p2Sb9TvcRG7R82
owIDAQAB
-----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 285290571482253077415379573514754275059517
 . . . . . . . . [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 2023-12-06 03:20:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-05 03:20:26 +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 'barth-herzberger.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 21682358129592736715561832969157051766121073106828012151457485402806278833670550062469937233622765507835403320807802910569403804736359316753003633540712451531324096435484189296355876570207326622537875662214104208271898820849963707824138240898742463049428466361013520570033600321987432757112926762555608409393551045392652833175054673907604902239502973029190284447330384661304876744837201731253026961488972629872324520583496445164953793878334963142572764190188275024092788176492636719745646106414001000043815905982055504317278109578178426318687140808132766256043941228467891008356011640594476792253160710905526543660707
 . . . . . . . . . . . . . . . . . . . . [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)
							3ba65b4b648e57e57b0afb1a20c448c8b71d5175
 . . . . . . . . . . . . . . . . [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 (77 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'barth-herzberger.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.barth-herzberger.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.barth-herzberger.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)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c3d5b12440000040300483046022100e7dd4444e2a9f5cd5ef27000f024514fa3d28037bc9b60f8989bda0c408b4307022100f77eababa0f2e93927b2ecc97080eba812627a6ad6ce63a883857a24eb792a6900760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c3d5b128e000004030047304502205a7d9e7c92c66123c601160a2e1c640d7eaa10cf24a64dab202978bf2779cf51022100a7a90a2f58fe9ef00c2c88fee21e155151f42b29937fa7968231f5d782d93f93
 . . . . [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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