kzw.net

Issued by R3

About this certificate

This digital certificate with serial number 03:bc:8b:91:53:f5:54:ea:85:94:a3:2d:d1:25:3a:af:5a:06 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=kzw.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:bc:8b:91:53:f5:54:ea:85:94:a3:2d:d1:25:3a:af:5a:06
Serial Number (int): 325495460053752939106692700143888792246790
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2e:1d:c7:e6:84:a8:ac:73:7d:49:c0:d6:0a:57:45:21:09:af:b6:d6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 20:34:1c:90:63:bd:d2:31:ad:cd:92:65:2e:22:af:65:5c:54:0d:c9
Fingerprint (sha256): 19:ed:b5:c0:c9:52:83:ab:f9:1b:5b:b7:40:ef:23:3c:c6:4e:5c:cc:79:28:c5:2c:d9:2b:3a:ee:3f:eb:25:45

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

Revocation information

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

Check the revocation status for certificate kzw.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kzw.net

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

kzw.net

Other certificates including the domain name kzw.net

(limited to 100 certificates)
www.kzw.net
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kzw.net
kzw.net
appianosullastradadelvino.net
kzw.net
capi.net
gravinadicatania.org
www.kzw.net
chainslash.com
www.millvalley.menu
www.kzw.net
kzw.net
knacquisition.net
kzw.net
www.kzw.net
kzw.net
kzw.net
millvalley.menu
www.kzw.net
kzw.net
urban.pro
www.kzw.net
bitqix.com

Certificate

The complete raw certificate details for kzw.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 325495460053752939106692700143888792246790
 . . . . . . . . [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 2024-03-31 04:45:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-29 04:45:55 +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 'kzw.net'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 748222726373284750640512448610929171629457824785591152374507272725825972195905836199214131484851198259066724312210008569920636784425131784233151969872961523944080577095012568834356091000622781405846639926767384844944630901984862631004525717767641802446620529707515690948201360101686518603724572463472542823956107531668986370301759271016924159913962206673946313353091813778933772221426228671972552901823376388224164309603469252789074941801639742921250472052611289519256936778303078700700580526600963570125708593095669616304456575088487924577794390683257548764310884753389959401576748833386165008249518392237393959844564096783615217074753939951489328427773308462865999427131967824810741776621045792241499943931592198053426345415269978208276566895799331303269628907189577936341551947651176478380022379567539862251113615128822229879960189272081574174185803392592356023146088103735928433429084513429779708099004296448787488893364064873646408887692641735384684176966334584037606701699816926837360793082536617231798607686289006060110239336444968982348485887259110887157947110850869624890396154692207727853891736425580807887952126207318892527046944449834858116075779054113241867124922594578698892691251013021834998494807389742964231757928977
 . . . . . . . . . . . . . . . . . . . . [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)
							2e1dc7e684a8ac737d49c0d60a57452109afb6d6
 . . . . . . . . . . . . . . . . [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 (11 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kzw.net'
 . . . . . . . . . . . . . . . . [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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e930b03b5000004030047304502204364881673c5c131e7b575d90c769252e2d39cfb12c1ca3c89dd57e60c39aefa022100fd0528bb59731e35d1271592ec104e79b19705c83b8ebc15bc03a6d8a1996d3b007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e930b03be000004030047304502210088b34af3513c840cd4a0068fe2500bd72f397a714fdd7eeb16da28ae5853951902205d0cee66aac0110fefb6b0b72d0c4b9575f34c9b93f6dba5aa3f1ce92be741aa
 . . . . [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)
		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