DV SSL/TLS Certificate for www.roboczo.3kom.studiojoomla.com

Certificate is witin its validity period

Issued by Let's Encrypt (E5)

About the www.roboczo.3kom.studiojoomla.com DV SSL/TLS Certificate

This certificate with serial number 05:b7:46:6b:0e:43:17:ee:ba:2b:c7:1d:a8:06:8f:4b:b8:0d for www.roboczo.3kom.studiojoomla.com was issued on by Let's Encrypt.

With 17 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 www.roboczo.3kom.studiojoomla.com 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:b7:46:6b:0e:43:17:ee:ba:2b:c7:1d:a8:06:8f:4b:b8:0d
Serial Number (int): 497926704630071207482894349320014476851213
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 9c:09:d1:03:50:32:92:b4:a9:1d:a1:92:15:a8:f9:6f:84:ed:41:16
Authority Key Identifier: 9f:2b:5f:cf:3c:21:4f:9d:04:b7:ed:2b:2c:c4:c6:70:8b:d2:d7:0d

Fingerprint (SHA-1): 29:4b:88:78:a8:5c:f6:4c:76:39:03:c5:f7:c5:14:ac:3f:ca:68:43
Fingerprint (SHA-256): c4:12:83:a6:92:4e:a2:1b:11:f4:6c:6d:86:b3:40:d5:de:57:30:3b:25:e5:93:32:45:06:72:67:92:f3:0b:49

Issuing Certificate URL: http://e5.i.lencr.org/

Revocation Information

CRL Distribution Point: http://e5.c.lencr.org/14.crl

Check the revocation status for certificate www.roboczo.3kom.studiojoomla.com
17
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.roboczo.3kom.studiojoomla.com

Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
ECDSA with SHA384
Key Usage
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

*.3kom.eu
*.3kom.pl
*.3kom.studiojoomla.com
*.com.pl.3kom.studiojoomla.com
*.klimatyzacjapoznan.com.pl
*.pl.3kom.studiojoomla.com
3kom.eu
3kom.eu.3kom.studiojoomla.com
3kom.pl
3kom.studiojoomla.com
klimatyzacjapoznan.com.pl
www.3kom.com.pl.3kom.studiojoomla.com
www.3kom.eu.3kom.studiojoomla.com
www.3kom.pl.3kom.studiojoomla.com
www.klimatyzacjapoznan.com.pl.3kom.studiojoomla.com
www.klimatyzacjapoznan.pl.3kom.studiojoomla.com
www.roboczo.3kom.studiojoomla.com

X.509 Certificate

The complete raw X.509 certificate details for www.roboczo.3kom.studiojoomla.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEPMc9ens3W2DyoQEJYno2qwnohT+N
VhDXByUbxbyCzdEIHSA6Fen41AihQL+6h6TLzxpMF221DMlO/VhFzF29Qg==
-----END PUBLIC KEY-----

ASN.1 Decoded

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 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
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 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3
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 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6
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 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10
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 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3
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 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-04 02:16:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-11-02 02:16:23 +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 'www.roboczo.3kom.studiojoomla.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
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 . . . . . . . . [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)
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							0780
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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
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 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							9c09d103503292b4a91da19215a8f96f84ed4116
 . . . . . . . . . . . . . . . . [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 9f2b5fcf3c214f9d04b7ed2b2cc4c6708bd2d70d
 . . . . . . . . . . . . . . . . [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 (38 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://e5.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
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 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.3kom.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.3kom.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.3kom.studiojoomla.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.com.pl.3kom.studiojoomla.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.klimatyzacjapoznan.com.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.pl.3kom.studiojoomla.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '3kom.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '3kom.eu.3kom.studiojoomla.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '3kom.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '3kom.studiojoomla.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'klimatyzacjapoznan.com.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.3kom.com.pl.3kom.studiojoomla.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.3kom.eu.3kom.studiojoomla.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.3kom.pl.3kom.studiojoomla.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.klimatyzacjapoznan.com.pl.3kom.studiojoomla.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.klimatyzacjapoznan.pl.3kom.studiojoomla.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.roboczo.3kom.studiojoomla.com'
 . . . . . . . . . . . . . . . . [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 (38 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://e5.c.lencr.org/14.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)
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 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3
 . . . . [c:0|t:3|false] BIT STRING (832 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 33313131842055449811005809159350528994379880470660748338746364535395661485692137330632399348064380548518740132448568
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 34795096828881996335597779382857733690666601187759029870380275342485229250116033138454288996036317503575368131285326