DV SSL/TLS Certificate for netsails.de

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the netsails.de DV SSL/TLS Certificate

This certificate with serial number 05:fb:0c:b6:5a:a0:0e:9f:42:11:8f:f6:c0:da:35:78:ff:e4 for netsails.de was issued on by Let's Encrypt.

With 2 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 netsails.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:fb:0c:b6:5a:a0:0e:9f:42:11:8f:f6:c0:da:35:78:ff:e4
Serial Number (int): 520989201328032355543805368149797760466916
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 50:72:4e:2c:d4:d9:c3:95:e9:b7:14:37:ea:b5:3b:0a:15:8e:38:f5
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): 42:8c:71:97:14:83:c4:88:db:7a:2b:a3:51:69:61:97:86:a5:12:55
Fingerprint (SHA-256): 08:27:6c:87:3c:d0:03:f1:34:9a:2a:17:a8:01:67:2a:18:5f:7c:58:98:63:c3:6a:bd:35:38:59:03:78:f9:1a

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/101.crl

Check the revocation status for certificate netsails.de
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for netsails.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 netsails.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyq+D2oQ/QOF1e9V31wpM
l5SHa6/to8tG8y6RM+NYVrLuI8LRYOsfYXuJH//lLg/e/7TA/HznSa6J77DG0fOi
qV3dbUvhQMpcrvyN0lkxv1idXvZlPtw2IQrAHNARh7xbqFh1L6wb+JcUYpHEIMDp
rpswXNciKZd4RsZJUMOuLNhSgnbBina+trMG/C29WuWMbIKuPkjbzS+B24mwb88P
olovo+5M7ynII6a8qdEcjJ3X1afxq/+H6gTGBmyibNc5Q8L97KcKBEof3IhEl/Gw
pc3FPJ7PyRo5OpdRq6PVYIfId7JOYSQsJ9I2JAdMK7XmdVHVkVO2AVA12jQoVKPs
IQIDAQAB
-----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 520989201328032355543805368149797760466916
 . . . . . . . . [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 2025-06-11 08:06:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-09 08:06:20 +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 'netsails.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 25586687301553519740548489029884816554922889926695099517747803307140144962672258508896851798871984259345987876508643659236367065413832154979649659366137355329274975728748063967308716135876845647682673755092309932606723051549373580634996879191398583617569394500870282196956853098465719449997310474212850788818359808842773082076065569684437031112850615911097150175146810064339037804196646345887838015277977493195442245670609967485314421067940044216078674630374778264544700304256457717858149380744377508133649581351467391949418926009865067097126130458275526251982317937294640682530392691003074059033337370539315645639713
 . . . . . . . . . . . . . . . . . . . . [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)
							50724e2cd4d9c395e9b71437eab53b0a158e38f5
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'netsails.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.netsails.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 (40 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/101.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a8454000001975e3c2f2b000004030046304402206288698b18b9e73e392aea0345b71efafdfeebcaecf4d8ed3a28d4e989e3658a022011659b505405f880182893f68f6b83cdd7ec67693405f6c54b7ae8285ac852ac007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001975e3c2f6d000004030047304502204a37b4e6324a470a5414bd14ede1b0ba3a79344cbc22f0096131b2a2b786f56f022100ef606b22c9ae651e24f7ff2ae4fb021b05f96f18c20ed5cb5a86223c84532284
 . . . . [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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