www.gsub.de

Issued by R3

About this certificate

This digital certificate with serial number 03:a6:b8:50:56:05:22:0d:19:da:d1:d9:06:d0:29:fd:fa:17 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:
  • 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=www.gsub.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a6:b8:50:56:05:22:0d:19:da:d1:d9:06:d0:29:fd:fa:17
Serial Number (int): 318068725783823537236696698554541487815191
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0a:50:86:a8:8f:68:ef:a8:7e:a4:01:79:fe:7f:45:da:db:96:e8:35
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): bf:37:8f:4c:d7:57:b5:59:17:79:97:de:f3:34:3c:7b:72:f0:f5:77
Fingerprint (sha256): aa:01:28:81:f2:a6:be:c9:5c:9e:63:4d:35:80:ec:e4:6a:d4:19:91:be:69:e6:31:87:f2:e9:d0:02:fa:66:30

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

Revocation information

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

Check the revocation status for certificate www.gsub.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.gsub.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

gsub.de
www.gsub.de

Other certificates including the domain name gsub.de

(limited to 100 certificates)
www.gsub.de
www.gsub.de
www.gsub.de
www.gsub.de
www.gsub.de
www.gsub.de
www.gsub.de
sslvpn.gsub-intern.de
www.gsub.de
dev.gsub.de
webmail.gsub.de
www.gsub.de
sslvpn.gsub-intern.de
www.gsub.de
www.gsub.de
www.gsub.de
dev.gsub.de
www.gsub.de
www.gsub.de
dev.gsub.de
prodaba.gsub-intern.de
dev.gsub.de
www.gsub.de
www.gsub.de
prodaba.gsub-intern.de
dev.gsub.de
*.connect.gsub.de
sslvpn.gsub-intern.de
www.gsub.de
dev.gsub.de
www.gsub.de
www.gsub.de

Certificate

The complete raw certificate details for www.gsub.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAygTNy93mBZDxcCVskHUj
auCZ9iPX+FoI14arICi35ECZPrrbcKMAcGrRg/893gOImRTpkdbI6GcKLSeMGr1o
V4ldqklhDNt8t3YbPac3sjxlQjlEXXgxDN+2ZZ66q3zxCftWdwg08L5SX03+19YH
Fvrr9k5T9GDcIo8rn57LuCZXaX+XRHBJ3HYK0/1G7tf3aerLhuyV1hjvH5MNVhY6
B6+jpb2UujR7pL/wwNufSXsGcjGxCY8KSI1E5ChMsGe57EC4+wPGfLcOJxhNkEMx
Cwoy2VrtZ+RjcNZESug/FYbm7jxYiEKAQ+vK3g40vpcGh7R6oWheTyL3WGZcfwii
HQIDAQAB
-----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 318068725783823537236696698554541487815191
 . . . . . . . . [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 2023-11-06 11:50:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-04 11:50:27 +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 'www.gsub.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 25502506490583795321778527257550803633715538743774891836644006710075747551353997146807945810483038742427825100280076400483404799763724453697458478238272806664778630782667768160311452808446276585614906408867001357608126192295424640237751947619620062891601003256468739750882618312494953570349126502660494142722896200138760907972023015663135879545595074379007864546849736806165921174899777003487617203938728007759279956128954108040143243180409566786790526965274720869820314200772578422657040230675328137982700029728249314110777466252574376216354820106445367964763715848783097486415291537382625222931767152775525042790941
 . . . . . . . . . . . . . . . . . . . . [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)
							0a5086a88f68efa87ea40179fe7f45dadb96e835
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gsub.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gsub.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ba4af3a22000004030046304402200d9acc91b7d0f4fbffe66e116e84a495c1a6844bdeabebd16a2e8a522442b723022023ddc642712e41f9d6afc2287b2688f48b074b42dd9097c466a33d17fac71e5300770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ba4af3a6a0000040300483046022100f198dd5caf07957cb972b367d18ccd3dc69d8cb7e5f33fc652bed09dad7c03710221009591165a16ac72aece06e08756e9129111fba731590e28bc72c3e0ee51007b84
 . . . . [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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