www.k-x.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f9:8c:1d:70:43:41:61:7a:57:24:18:ba:6d:1e:85:af:07 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=www.k-x.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f9:8c:1d:70:43:41:61:7a:57:24:18:ba:6d:1e:85:af:07
Serial Number (int): 346253411931571599941081602958569792450311
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 33:ba:04:84:59:9c:4b:de:15:42:9d:0c:09:f8:31:13:25:72:95:84
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 09:96:71:da:d6:19:29:18:f7:c8:96:58:96:28:5d:49:b7:94:cc:12
Fingerprint (sha256): bd:f2:d0:64:e4:27:c0:2e:5a:bb:d3:5e:b9:8a:95:62:eb:14:34:e2:3a:10:3d:96:4e:80:b8:e2:b5:00:f6:df

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 www.k-x.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.k-x.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

www.k-x.net

Other certificates including the domain name k-x.net

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.k-x.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 346253411931571599941081602958569792450311
 . . . . . . . . [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 2019-10-12 05:24:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 05:24:16 +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.k-x.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 766299625336065743073646871150026658008909957056203194032090769220642732263087080453657981986623047405358791319129216169141756972001339217871231087943248541108906243364880376950842185259595709261977474984351469962788746547588984216276354765519197973425743760466480750275507224406615894662698020805554202610927024558046955237105419365607387077708611076476999765321486328879293846297619042648775525361658050998567432941783628834890601951655209002907340242709927779256670062171473974572384196590725965128351401942333862195526427199251800701394160932597784098266923448881004656842818482149905495798022280499488513633869269906966689621998935657176419328037516536983612265408062439103337938777481025590868632704356298287596347022078351890132981720875431940260144640746306303664644644351396403188963522817154682898305630184978893475160800650023551970443170373125104007881746592855002160318329455892537231224261386660874419542889678282827257045455551736581345037171578443473846370169649684898308096129465230267677578929361626558236658135830732301166735233334165126037673074875074601764410689871996651351489690731642922433513669884720221554982705102906445397138660596875235980902879231272852265437036433282866359670418871605553736708298674573
 . . . . . . . . . . . . . . . . . . . . [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)
							33ba0484599c4bde15429d0c09f8311325729584
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.k-x.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)
							00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbea39dee000004030047304502201bec028d3fff420adb447f4ab39515fe2e569b195bdb125df30839f77e66976b02210098718032e1c97fb30f17d5f776715f21e1fc110fc514c17ede86a69e0c3313960077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dbea3a0240000040300483046022100c89c7d03645ffcf22f2d0525ca17550ea1dc3d7383edde529e833eef898a5115022100de36e292574c343b57b9879f2e667b7d1049c16ac0dfa1abe9be44336d656c9c
 . . . . [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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