kzw.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2c:63:e8:96:1b:9a:91:85:fb:e6:2b:73:f4:9b:a5:e5:92 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): 03:2c:63:e8:96:1b:9a:91:85:fb:e6:2b:73:f4:9b:a5:e5:92
Serial Number (int): 276442083168804356637800969639350302533010
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 91:12:ba:cf:9b:50:14:81:1f:b0:50:db:0f:bb:e8:b1:9f:4a:5a:d7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 17:e8:f1:ca:3d:e4:79:2f:48:e4:75:8c:ca:18:57:1f:58:3c:9a:b0
Fingerprint (sha256): 9d:9e:8c:31:39:67:9a:c1:5a:c9:ea:db:e0:43:ea:6f:61:0f:5a:48:a4:cf:37:5a:e1:a6:7d:a8:39:53:e1:5e

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 276442083168804356637800969639350302533010
 . . . . . . . . [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 2019-07-28 12:07:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-26 12:07:37 +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 886526498438841974014854286740257659655346389533096014568255326207691658108605294170350385207511345059291686382341663603363860044239065656543464502930522188967398369923496874779888082514187908935593435604494051030861682075378547639870778745094794816292552296097616918227874287651768413932015165355474365010683964561395354949331069905231968982934406273734823445014244959027221547341215101749959352841457897722859799575659925009583356857004170468752723509684605789567691753553716223294128443206144753618962094878027057246304657494744602538494201139353749741415750664422631510434971307219972332745135427871209749114455834837731390732939824752998330200353566836035199469250102234280617183932369214284527399338976405437626918862394932300026109541467807607040764631435232838872826256112834616719176617377923253729248084533642114777141467339912026661779658220835244908753819272413721550546683718672941751423338875790100790932435660274965842722331711364360536287891114954744714396689943506256989796669007990083614120914084715862863251463951413622052484893110750471644736140200175713857459978529001921918372280811637819093179788806135328446321799249740292201678757492833021233556468006155479032664026003366833610874318787237985596582872563601
 . . . . . . . . . . . . . . . . . . . . [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)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:17|false]  
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c38b1922a000004030046304402206eeceb1cb18e6951a0455ab875711bd6df9c3e68ff9cb8873bd9958a906a4af702206462a3dc26b159d1888697faa4a73a417d5ba99cfbc4a8ab400f5a836f645ed0007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c38b19219000004030047304502204fe5386031b701cb194e1abb073651e61c7d22e6f3f429296096467bdcd18349022100d357aeca92630d1735488ccf56d6376cd013a6993b865f43f3c8b2b0aaccb6c0
 . . . . [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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