DV SSL/TLS Certificate for *.iobroker.link

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the *.iobroker.link DV SSL/TLS Certificate

This certificate with serial number 05:40:b2:f9:38:07:35:9c:ab:c6:30:c4:3d:58:90:1a:5a:f7 for *.iobroker.link 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 *.iobroker.link 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): 05:40:b2:f9:38:07:35:9c:ab:c6:30:c4:3d:58:90:1a:5a:f7
Serial Number (int): 457577397743294912143454277311970563218167
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 5f:8c:c4:53:bb:19:a0:a7:9e:bf:bb:18:e6:6c:a2:e9:7a:2a:ad:b1
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): d2:4c:41:25:7a:35:b5:2f:10:d0:77:64:e8:e6:61:b7:f7:4d:0b:49
Fingerprint (SHA-256): 95:de:21:a6:21:f2:de:7f:90:57:65:cd:3c:2e:b1:78:b4:d7:db:71:47:51:b3:8e:bf:60:1b:cf:fe:fb:0f:4a

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/120.crl

Check the revocation status for certificate *.iobroker.link
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for *.iobroker.link

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 *.iobroker.link in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArxuqlQeFPfG1FMwEEoER
VM7Ae6J5bTJqAL7yUMxwcscLF1Ga306XFpvWdMF0tmhF2ehu1HcMyZUiQc62wNkj
wHI2LYrzUqJ9URo7wal4WIX7dlq5sXPcVwSUEa90iB2aE2HQHOjN4JKwfZovvnfU
W3SYOx367vfOdQn8r9DGrFHR6HPRJnNj2Tvm2AIq9ABjus89vDc/kXyL6TdEGH7S
gkbhbwZ3eTOMI3A9c64wrgZIk8TB3IiKHcDB1jKljNDIg88DhD8AjUEC9vHQ5Mq8
ZtiMnJUkNKY8Qyau7UWYkbuejgRx/H+wZzi53HnuTjSrmauMhURQR9abzT4pwLp0
UQIDAQAB
-----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 457577397743294912143454277311970563218167
 . . . . . . . . [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 2025-07-03 11:58:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-10-01 11:58:57 +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:12|false] UTF8String '*.iobroker.link'
 . . . . . . . . [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 22105346148065604578141063942805856829365896292285797056182129331269228807870106585558170994433889265772780089749757753133039563583189207296230302522978506418833683704031776450832144838132466599563000137087326458847939374889878306074373929324821897779507316439244808984141253829492815475461411275987509291842081529045785175394692316999445899593804724305153911593397843460244093108514304520907687453804647755760268803854081058484618404624693187199864195440783807998117212613726165367698328492400058148253627602500062266352231583854398811719312723420295536296461544093757775726461111192429356071270601127283440809047121
 . . . . . . . . . . . . . . . . . . . . [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)
							5f8cc453bb19a0a79ebfbb18e66ca2e97a2aadb1
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.iobroker.link'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'iobroker.link'
 . . . . . . . . . . . . . . . . [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://r10.c.lencr.org/120.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)
							00f0007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000197d05d0bd50000040300473045022100e315d1834661ca2845c28a2a434692ae4839be4c000f68530bc231a7a4d7f18c0220645818d25783e4a82c3084131dbf66c2505d234e4c7f84e7033d663c6f30b5b90076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197d05d13a300000403004730450220335abd4d6738c8cab6c9c87ce1b911cd9d198f54623862280f0e954ac02100340221008c71f63e5e21f4ee3d457af5bbed953a9ed421b6e8a585e2c45109b9110fcbe4
 . . . . [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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