kzw.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:98:40:53:fc:56:aa:cd:ad:4c:7c:e2:6d:38:cf:df:23:02 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=kzw.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:98:40:53:fc:56:aa:cd:ad:4c:7c:e2:6d:38:cf:df:23:02
Serial Number (int): 313145284237666582589154333009842913878786
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f8:05:7a:e5:6e:e1:34:11:c0:3b:56:26:be:32:3a:82:c8:86:34:aa
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3e:cc:df:77:de:30:10:c4:6a:1b:dc:21:3e:75:0a:e0:a2:9c:0d:ee
Fingerprint (sha256): 19:ef:42:f4:4e:ef:b8:f1:b4:9f:28:fa:bc:f4:83:b4:ae:b7:94:c7:80:0b:47:1e:5b:47:f3:28:36:9d:75:8c

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.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)

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 313145284237666582589154333009842913878786
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-05 12:51:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-05 12:51:56 +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 678875769676813268844280822289101473259741444707304946176095129048524761234045879348362261192801725968154665112165312530680793206860828309972110946928416893749378465699321281742895753478735269815368663385179031207801446090714578222788232074926670873974449977794181449130342090271626952238538018705674889189573888522582637199543746529855459121350781948185515515177345286424849104798035280082314229937979884973917247585085543513333015493679847431103339346648803798022597900473462886575210121234417807794616828405158837097569653632208522091198107891756071541512599886863193035242610024402436147152636491190631921732906638824215346953615745268652460438514198290805898248392873528239517969700945300148245230888700367036055386181517173298500674100478940309526315783634344966343589015464444039973111011496781809923273524111188281139873777052349611819240562546313244356640520702220671007408735704264923606158392078331705046079386829775471340261328342208012776904397599720052401507624144699934281138255944834615050265800397193759862165042924850274199392310126522556224566143635238342111618776892856154313048705121271427899945501669068083967135410583746730317064331258903875931381926936318014630716525945654591138630651869796813544811766697281
 . . . . . . . . . . . . . . . . . . . . [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)
							f8057ae56ee13411c03b5626be323a82c88634aa
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000170159f25370000040300473045022100a294f88d48f95647d1ca12c5052d49b7745df9c5f0aabbf53b3a817b62c6920b02203d853a4961a57adafcbb1d00679dee8c151c854462a79ea55325e70ffef17fe000770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170159f25530000040300483046022100a1bac6b8977c7f762b87bbb687316d44be9178aa394ba599460f5582f9dae2db022100fee94cc588959841b1f74257801c9949ee3e51cdc6b7c8ec6da338afcd8a1e7f
 . . . . [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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