DV SSL/TLS Certificate for barth-herzberger.de

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the barth-herzberger.de DV SSL/TLS Certificate

This certificate with serial number 06:2c:d7:47:d4:8f:0c:dc:05:69:2b:e2:9b:bd:08:4d:77:c5 for barth-herzberger.de was issued on by Let's Encrypt.

With 3 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for barth-herzberger.de provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:2c:d7:47:d4:8f:0c:dc:05:69:2b:e2:9b:bd:08:4d:77:c5
Serial Number (int): 537932296718457928180611828240542899992517
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: ef:7b:7c:d4:c7:14:c8:65:94:d6:c6:85:2b:4d:cc:70:e7:16:26:69
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 6b:6d:03:bd:7e:f4:53:13:bd:5f:8f:61:d1:48:03:41:90:22:3c:99
Fingerprint (SHA-256): fb:a9:3f:40:13:cd:49:96:9c:1e:3c:26:9f:dd:6d:e2:d9:65:69:9d:60:21:2d:dd:d1:f4:26:42:55:ef:6e:db

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/70.crl

Check the revocation status for certificate barth-herzberger.de
3
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate 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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsLjSXiyW5LPjR5WcL3BM
6EKSvoHegPyM9n/miFnLFbPod7gP/PWt0JUsYRQYf+vlbQbjkFkg8fE4EWRs8FWg
Q9ffjl0ILE2XlJq0Qg8owEv/ywVPh6rKpbD828lGwkvf5jDQaLzoQB1k0CAmh/dt
IHRU+5LEeQPuoYT+Mzhom2WJzXvvpWzIBFZZYeBXYST6jDNda9RjpEN84md8/Ury
gLECXT9KCHCccuOs6UKPAmXW7LEoU4v8Cgvl/M+FfJnHiAfPnoIhZf2MK4xNfs7k
QdVRC0M7iaKpcJ3whrMuTiruqE3uJmEDArb+te17qZdVKCvJgy2qS3KAlbYllp94
ewIDAQAB
-----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 537932296718457928180611828240542899992517
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-29 02:21:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-27 02:21:52 +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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 22309080675493935381054504668508115946872258416230343872999484565339504769197177819530617122178411932967489321430613394073373876100409850782270303687022808303484412832687116357460216936068121815211373967575590551671947935862843349011624725345038600842795509629188684230477896735633727730700035540654193145802091229722196967651446038746350399921079828832340085823915211635240972007538360684236599475290267520245515599172490213473460345654581430974878247850060225595909573568003650866649660039741091961797714169753358284361461232349032527521240376538824918163788954397632849937058342062158891329850863568582511983294587
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							ef7b7cd4c714c86594d6c6852b4dcc70e7162669
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/70.crl'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db0000001971a0e22fd0000040300483046022100eac455dce9e4ac4cdb4aad98b7e7bf9fb7ca27337c429b262d4f5c68d652e5ed02210080148a7b257c9800339648553f59b6de39a66e6c034bd35ef63a39bd02f6e7dc007500a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a8454000001971a0e22eb0000040300463044022019cc3ccb692b80731c0aca0858f6209bc67e5400565a3565e3c3b67f93edea690220512505379c03c8fa9baaf187f8e37f5fd48b85557ae463e226deb4b95f878d87
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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