www.k-x.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d0:c5:40:90:53:3a:0a:d8:cb:08:6f:1c:14:4f:e3:81:e6 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:d0:c5:40:90:53:3a:0a:d8:cb:08:6f:1c:14:4f:e3:81:e6
Serial Number (int): 332377783264265398654312665107146878452198
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fd:1a:63:39:ba:d6:89:ad:79:32:19:29:02:c6:7e:24:7f:52:d9:7a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e4:f1:49:cb:f5:a6:53:7d:dc:e0:17:ee:c0:28:bc:46:83:e2:0f:4e
Fingerprint (sha256): df:d1:91:e2:32:f4:52:cd:b1:02:b2:f8:bc:1b:73:0c:33:31:d0:bd:4d:46:00:63:c9:8d:5d:3c:8b:94:ad:69

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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA51jIbyOIwTU3j5PMkf+t
ZAp81FeZ0jziVlyL+A7e9Ykdkv9IcT6vQvbOCMaEd7t2r27FbA9sbHZVvVVQxS01
yvZ2ZTnqFA5ymsBW9rOQh2XvMUBI2f3V0gu4l6mpL68qOUmWs4+wpqpJeoStIsBK
JAFGSJYSF+0ynhjMyYFDS4505BAvC1RFJ5IiYF94LCUSE3tNubHM6Ea74pgtX08t
OAUaFW+eOiCO1Vb+aY+jVIc4o3c/XAhvU/TxZ80iKB/cscm0++6VISr3bvnYBvAe
SFBjFBDEYY62EfbtwS3XNZMpF6CE9xT+ZArt/Pnhi3oouKYP3t7kVmQ1jti8OghQ
Q5Oa0VnvvUH3oJVpKKGUba5qVmctjxhxGR64mGat7RyHBWrN3KR27qC6sCw9S5VN
FxGQn97wS/hLWqqPW+HT2pXXUkqQ7fblHccBhEGe8M8RdDBo7nHGGgtG6MHZ3Y8y
zZYdYNbgemkeqHGawwkT/qrnF8I7hpnvNKKAcrApVrQu2OwAux+Bz5rpNFhkJO2J
tj4xps/W3OGWyvmZ06wWartmbjzLJI5ZPHCTkDf8XqKucmcD6km/kACGk8sP8OWG
DyTK1XyLJKrE8iWgtRAoe/ewBYoOlFWtzZqSaR14QjX/LxNUhUxw2HrkAcO/fakc
rlfwBdhQdgILweGNRsnocXsCAwEAAQ==
-----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 332377783264265398654312665107146878452198
 . . . . . . . . [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 2019-12-11 12:30:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 12:30:43 +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 943812634471837421438613941655589780024190168437775728082964692899212138140017487196646592238501026288981345389522132508964464520994588491524023893343969486092716081041078033009435607966513763883192120337756856204506473303358049636518242581370247513772349620033330676532059816261668085553192428728331408802575084480155159668730304306573259360166060169675812398788970767873797374269995790751722112733665859350382184299265326037451298260370123419997044228612162571004897013229396349476679966704619579585768149098307772035537486191817597910306531258584611434966650311879440567793782950480169104267904891585718149073042768253310312112613730728994209792763821431775672986035461021886086112942253012986532366121190294480749026854355074716758842848124523530116110041927775250035910675393498580226271824547022630944479916409680175834754858243303348691672041586489157563398173090527137937578815924893651707967369731755298906129948912689693056512302452584031464289995971920342254138762543496047998482026918378405453737561114719693598267342290258396589227982972434037041712466279615050443585852340105750967488573597698784492556269798672234163370100091666342350128059010893095200973098525111190036654914296177442194569437962606954750570989646203
 . . . . . . . . . . . . . . . . . . . . [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)
							fd1a6339bad689ad7932192902c67e247f52d97a
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef5279a2c0000040300483046022100cee85c38dd1ba219a864108ce53620f943e2208c119944e956ae85370125414a022100be79a1a39ab66d7be00ccef63a0b143c01dc8f3f68e3b9ed2acd0b752bb56f9c0077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ef5279a620000040300483046022100ba819d53d08aa9b06bfc366ebf2239cc53f611be0ea9dc380a39803ff3de273c022100fbfbaf998e8d329a5b081a5ec495162cda0c2b3ef5ad9220bfdd07e07317ac42
 . . . . [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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