www.gudzik.com

Issued by R3

About this certificate

This digital certificate with serial number 04:a4:38:e0:f9:c6:71:d0:57:33:c5:cf:81:61:1e:e4:8a:69 was issued on by Let's Encrypt.

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.gudzik.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a4:38:e0:f9:c6:71:d0:57:33:c5:cf:81:61:1e:e4:8a:69
Serial Number (int): 404331056810377552846331925608533693074025
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 98:be:41:da:96:e0:e5:95:1c:bd:53:b0:9d:cc:22:59:be:74:30:61
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6b:25:ca:bb:65:d7:58:cf:3a:9d:e7:e4:d6:f6:e5:ab:3a:a8:86:da
Fingerprint (sha256): 2d:69:0b:b3:85:c4:da:ab:6f:32:d0:04:fc:4b:1d:73:2e:7a:39:79:2c:e2:4c:75:4f:49:94:9b:28:b1:7b:85

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

Revocation information

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

Check the revocation status for certificate www.gudzik.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.gudzik.com

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

www.gudzik.com

Other certificates including the domain name gudzik.com

(limited to 100 certificates)
sgboxportal.sgbox.it
support.eposnw.com
supportdesk.saluconnect.com
help.lbm.network
assistenza.edilbruny.it
assistenza.cmstlc.it
support.xifram.it
support.seosmash.it
chargewell.mobile-xl.eu
procedure.technoparts.it
soporte.fifa23legacycup.pro
help.interfone.be
ts.parcum.team
support.inovatraining.com
asup.fancom.com
assistenza.edilbruny.it
assistenza.edilbruny.it
assistenza.edilbruny.it
www.gudzik.com
support.despeelgoedschuit.nl
www.gudzik.com
help.interfone.be
assistenza.edilbruny.it
aboma.mijnfleetkennis.nl
www.gudzik.com
support.e-smartsys.com
users.digitrame.fr
ticket.widemann.gmbh
helpdesk.itconsulting.cologne
helpdesk.itconsulting.cologne
support.inovatraining.com
assistenza.edilbruny.it
support.medianit.co.uk
chargewell.mobile-xl.eu
assistenza.edilbruny.it
hc.tr7.com
www.gudzik.com
suporte.tdoispontos.pt
support.xifram.it
support.medianit.co.uk
support.justin-legal.com
helpdesk.pumtrix.com
cetec.support.arlian.fr
support.xifram.it
support.gudzik.com
asup.fancom.com
support.kw-management.de
support.manstein.at
support.medianit.co.uk
support.kw-management.de
www.gudzik.com
support.despeelgoedschuit.nl
supporto.directchannel.it
help.feret.com
assistenza.edilbruny.it
support.airgp.co.uk
help.lbm.network
www.gudzik.com
www.gudzik.com
support.imineit.cloud
support.despeelgoedschuit.nl
gudzik.com
support.airgp.co.uk
support.medianit.co.uk
support.smarthome247.com.mt
helpdesk.dataroad.pt
helpdesk.atlastech.group
sgboxportal.sgbox.it
ts.parcum.team
ts.parcum.team
cetec.support.arlian.fr
help.syntomax.com
support.smarthome247.com.mt
support.inovatraining.com
support.eposnw.com
support.airgp.co.uk
support.innovaweb.tech
support.manstein.at
supportdesk.saluconnect.com
helpdesk.itconsulting.cologne
users.digitrame.fr
asup.fancom.com
myds.gudzik.com
support.airgp.co.uk
support.lnmlaser.com
helpdesk.pumtrix.com
support.manstein.at
supportdesk.saluconnect.com
assistenza.edilbruny.it
cetec.support.arlian.fr
support.les7royaumes.com
ts.parcum.team
support.justin-legal.com
assistenza.edilbruny.it
www.gudzik.com
users.digitrame.fr
assistenza.edilbruny.it
procedure.technoparts.it
help.feret.com
support.innovaweb.tech

Certificate

The complete raw certificate details for www.gudzik.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuVr2RA1sBp93y+UUNVF2
oRCpzIcvBnY7K5uiUhJXxLhBwi9DrJWDphX5j5B1O+9jffNuDrrjjEPhNNnsRCgp
2UP6cPfEVbe0Is+WbLh2sLBwdLVykr4EtWa0HWb5B+Pk7VzpiZXR9ezldhKH4Dp2
VTpPG3W/GIBAXx3+JcpopntmohuyxrdXHLQTDur7LWO1rTY0xzaILGMiKJrDJqag
SSbDRCRfPY4gU+i0VcOvn3dHhL2dlU1QRkdXS3w2rPD4hQeZ8jZPesHkiuSzUcUO
hMUn5apDkr5AeuPKFWku/GhVCUioRHYyEsP1np75gL2sLECJRuAH5sC2tIOBZwK+
lwIDAQAB
-----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 404331056810377552846331925608533693074025
 . . . . . . . . [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 2023-11-25 22:53:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-23 22:53:47 +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.gudzik.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (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 23398941440805552670751224416752451077840368140069614750603387028874925975356577546351321143331817228975587520552182286166987855486954009662947352598590968941921539578701338767312336579554097736147307267006538312188393887181563649439684566341744999088131716119051649279708896983076610194802891378548800500819543018190096715982947451933065765263961712694057184108650840460753970651475970337039046545260238797729136678180683342427912482858857319573635424445274526720035492278979158991496442666351261357331474051016758720892100653971399600816850762918855829008604780381772343984082686885661311216743361146959737544425111
 . . . . . . . . . . . . . . . . . . . . [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)
							98be41da96e0e5951cbd53b09dcc2259be743061
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gudzik.com'
 . . . . . . . . . . . . . . . . [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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c08e75b330000040300473045022068d331f6e450149804688056d464ee52d508b222e02d5e3bcacf685fe4ca348f0221008b4f2223f0514dcde85bd569403fb34f250da2b9f947d855a9b7d768edb2f17e00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c08e75b2f0000040300473045022078295df9089a762ee0aa5688c8082e3bd0b94479dc5dd743882ce7f387776c94022100a080c8e5f64e04db1064fa6879b2861569add884ff7a9690a95e72ef8f021b6d
 . . . . [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)
		0052a0cd2552f077af6df275945fe8f811be4e38314276e2da911c4ba51f85e559c1a2b9293c670fb6d625ebd49d3378ab2e407b3b9eeae8d3f71886475b06757e8c7cc5d6b45da1098fdd17f6d435216656c48d865bd57131c46ef7a74611c2f35534d61dde3d0895af2270a60eb137fe857f181c5bdd69e2de273584550f1c9584f09cec92594b83039cfdc0923e863ed9dc49b9a8e9225812cb6db904e29c1c99f88d98e2052fb7bfb5cf2cc93da657c683ed0a63f0b7ee3e2e15ba66b99cc46277cb8debf30390d818d57bf7dff336cc366d858df2a9fcdc2efb50ffb5efdd37e20bbca0ebc053ccb72640be134e8f3a297ddd5adfff5052efe61ddc9f75b7