DV SSL/TLS Certificate for fewo-duenenland.de

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the fewo-duenenland.de DV SSL/TLS Certificate

This certificate with serial number 05:60:0c:8a:c0:cb:99:9f:bb:79:f9:04:e3:8c:61:16:a6:89 for fewo-duenenland.de was issued on by Let's Encrypt.

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 fewo-duenenland.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): 05:60:0c:8a:c0:cb:99:9f:bb:79:f9:04:e3:8c:61:16:a6:89
Serial Number (int): 468245208066480727724847941216795119494793
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: f1:3f:5d:c1:2d:dd:27:2d:ba:61:7e:85:50:47:c8:a7:ee:17:fa:29
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 72:9c:35:2c:a3:aa:2c:71:f8:40:96:d5:1c:b2:ff:9e:9f:d8:ea:f2
Fingerprint (SHA-256): e0:c3:51:a0:39:a4:2d:53:b4:f6:20:46:ff:d4:7d:3e:55:bf:2c:23:4c:18:92:ea:61:2c:ea:c0:d6:e0:c2:52

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/10.crl

Check the revocation status for certificate fewo-duenenland.de
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for fewo-duenenland.de

Public Key Algorithm
RSA
Key Size
4096
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

fewo-duenenland.de

X.509 Certificate

The complete raw X.509 certificate details for fewo-duenenland.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAz9oOuOIfZEovQWSPABUE
7LgXBhON4aBRasjjV2QUEZr2CtmYXHP31ABYlF4Ac/oQszE/hsP3+4J+P6LOuTSA
lvhL4Jf5BxsB/8jAd3OCRtj63XDyp5Z+D357EQhLrWzJPtDbVekeoHZJO22LODcd
B4sOuB4MrD8BtKv7gLsnDpIZhOe/Ileph/gjf1UM1t5l7c9f3eU8/J9FudAlJvo6
TXVYNEa1eD4jIF9vIC07dBMVtyS9B5IQg8pFcJSGGebpuWGFWqL9V7pRDGH5Ez1H
bnMfKQaTxVP9t6mViqRGhj0i8LqeLwOxr3WS5esXcja5uw1fS+o9s5etH9bJTMtJ
oIN+Wd+vCXuBpQnUZsux6j/sgRwkcVTEhQXoU8xYAQxzjWvAVnUsSknPdJ7IjIYb
rR6N8XyUfkQzEGuwAiuRK9LpoR3JZZkJOcd3/CZcaeEc2FOiI9aO0a1ISpisirWz
Gv+plYhvJA6/W8upXkqZCV29nGUGm0ja/UWldm4569g9LxsbonkWEnyB95AxzzC5
TQaCL5LNuHcbe2YNzkKR3s34brtVqc8PwzQi6L/FJK2uaYZRQ4BUsqknvp90DQZV
QMHLnL/ItU5FOvdD9A+TZ4hRyUkVyVVtWJW0QVhkwUnP/uuwlXJcAAwapbuMCzHl
LJIM4P+K00I9tPDvY7zWhVcCAwEAAQ==
-----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 468245208066480727724847941216795119494793
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-24 13:05:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-22 13:05:17 +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 'fewo-duenenland.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 847961310445117206484479350288192660587779227739311789455447032104959790894400029694168146171154386210682035767470075484246428108481227106198429744671977682610815930632111860927467185213257129598131130682543486175370686861269321460932985306290589018625334616167096841818818254649645476944223131383181866803693364181407189951850007399374143007322987076417516553826449683618696900630172846182798010947303055170215686284004895764424499740086700165928205983782429272513070610286737798755381983901963636414520999328845907884027526300285220086312022717180338772199167444937052774127159870984735968925489350639717306419821318373899922096340917485603408692998952497356536094302870817812934996033296274515904140956036543781535290551492556810762304512783880806871607632498913788963940543860213586473066986251147043728089155847081813967967771892604058803292784849489415852991205075549211008713339274893297345203281512066964550806493859722742893190402315184799458808153293136125364670437923991879833741159474135184666931699822563814218341147773621229618491133566966577265326366771375154071087936841462013668426372422027038554177839241536891478911944609423052265938704175563121502688883016151520448994883305143303036704874155187378916299946493271
 . . . . . . . . . . . . . . . . . . . . [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)
							f13f5dc12ddd272dba617e855047c8a7ee17fa29
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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://r11.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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fewo-duenenland.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://r11.c.lencr.org/10.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)
							00f0007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000197029b66d4000004030047304502202c087d18d14b92fe7bcedb857e5a95a1ff731f0e50de45d6f9724b685038a0be022100ac28aabadf5ea3926d67ab17d9896ca11afa08db02e82ce57195ea5c944112eb007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000197029b6e9d0000040300473045022100bb0e03813ea7ab411b23c38e663f89b4d97cec2e60f15a6b684b8bac02faa742022018713ad2c585d66b75713938645522e15f6ac57c0fc1edab66d1001d96d6ac9f
 . . . . [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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