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:e6Serial 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.orgCheck 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----- MIIGUDCCBTigAwIBAgISA9DFQJBTOgrYywhvHBRP44HmMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTExMjMwNDNaFw0y MDAzMTAxMjMwNDNaMBYxFDASBgNVBAMTC3d3dy5rLXgubmV0MIICIjANBgkqhkiG 9w0BAQEFAAOCAg8AMIICCgKCAgEA51jIbyOIwTU3j5PMkf+tZAp81FeZ0jziVlyL +A7e9Ykdkv9IcT6vQvbOCMaEd7t2r27FbA9sbHZVvVVQxS01yvZ2ZTnqFA5ymsBW 9rOQh2XvMUBI2f3V0gu4l6mpL68qOUmWs4+wpqpJeoStIsBKJAFGSJYSF+0ynhjM yYFDS4505BAvC1RFJ5IiYF94LCUSE3tNubHM6Ea74pgtX08tOAUaFW+eOiCO1Vb+ aY+jVIc4o3c/XAhvU/TxZ80iKB/cscm0++6VISr3bvnYBvAeSFBjFBDEYY62Efbt wS3XNZMpF6CE9xT+ZArt/Pnhi3oouKYP3t7kVmQ1jti8OghQQ5Oa0VnvvUH3oJVp KKGUba5qVmctjxhxGR64mGat7RyHBWrN3KR27qC6sCw9S5VNFxGQn97wS/hLWqqP W+HT2pXXUkqQ7fblHccBhEGe8M8RdDBo7nHGGgtG6MHZ3Y8yzZYdYNbgemkeqHGa wwkT/qrnF8I7hpnvNKKAcrApVrQu2OwAux+Bz5rpNFhkJO2Jtj4xps/W3OGWyvmZ 06wWartmbjzLJI5ZPHCTkDf8XqKucmcD6km/kACGk8sP8OWGDyTK1XyLJKrE8iWg tRAoe/ewBYoOlFWtzZqSaR14QjX/LxNUhUxw2HrkAcO/fakcrlfwBdhQdgILweGN RsnocXsCAwEAAaOCAmIwggJeMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU/RpjObrW ia15MhkpAsZ+JH9S2XowHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAWBgNVHREEDzANggt3d3cuay14Lm5ldDBMBgNVHSAE RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQYGCisGAQQB1nkCBAIEgfcEgfQA8gB3 ALIeBcyLos2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABbvUnmiwAAAQDAEgw RgIhAM7oXDjdG6IZqGQQjOU2IPlD4iCMEZlE6VauhTcBJUFKAiEAvnmho5q2bXvg DM72OgsUPAHcjz9o47ntKs0LdSu1b5wAdwBvU3asMfAxGdiZAKRRFf93FRwR2QLB ACkGjbIImjfZEwAAAW71J5piAAAEAwBIMEYCIQC6gZ1T0IqpsGv8Nm6/IjnMU/YR vg6p3DgKOYA/894nPAIhAPv7r5mOjTKaWwgaXsSVFizaDCs+9a2SIL/dB+BzF6xC MA0GCSqGSIb3DQEBCwUAA4IBAQCS7NLHHLYv8AUajdtt8XyOZ4zR0FOtc6Fti4c+ RX8SLL+ObOhB0jRqeVot7tb8qqMCTMN9QM8/voQrOie6YmSAmcIJ9n/VIqVEgmwn njC9V7FXOr6Fh/fUyRX7ZQA+7TB/5ERGndkVxEwWyz+6xw+Yv2/e0fPA0mH8IkyU KBWKWg4kxfbu46IypsXdvqR/WIXFZdf9FVqV2O/YiY8tUMp1bmbF3mlAOSUjxOwe InpteZVKHRBbDG6COK1Ol6P4idiv21h/sYV3UgDIExnAHSkOq5jn0akawibk40s4 mrEMYYnC4/Wqbr8ipm3bGodwCevqOmEZCALNl35ifa3lCfqt -----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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