jk-kserv.duckdns.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8f:66:ed:e7:b9:72:48:60:c6:29:65:b7:f1:ba:9a:a5:9d was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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=jk-kserv.duckdns.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8f:66:ed:e7:b9:72:48:60:c6:29:65:b7:f1:ba:9a:a5:9d
Serial Number (int): 310134052794829671687774454070532822967709
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ef:48:22:64:29:db:8e:de:9f:2f:7a:ef:15:05:24:4d:a2:40:8a:7a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f5:2f:73:28:62:c0:3e:2a:f9:44:60:a3:67:8e:9b:56:ba:82:7b:3c
Fingerprint (sha256): 0c:a5:da:42:85:e6:ca:73:3d:1a:17:06:87:a7:d7:9b:81:fd:aa:0b:0a:44:7d:18:08:ed:a3:ce:54:cf:87:39

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 jk-kserv.duckdns.org

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for jk-kserv.duckdns.org

Public Key Algorithm

RSA

Key Size

2048

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

jk-kserv.duckdns.org
jk-kserv.ydns.eu
ks-homu-saba.mydns.jp

Other certificates including the domain name jk-kserv.duckdns.org

(limited to 100 certificates)
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org
jk-kserv.duckdns.org

Certificate

The complete raw certificate details for jk-kserv.duckdns.org in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvTuJ5YZP1JEfXJYYcpxC
9A1YuXat0THVKQk45P+9tZ6kLNR1uybt02QCGx5avI21Y00XrFWAZv6xIf8Uxuzx
2ZzdVtc32ywz8hdYFcGfO2LaovzLU0UDmzTWsFuMpIcBt2O3/r6V+TBBOCD5dlFN
rcVHjQLj2nxpvrFcOo5Wsm+7yXdMyIJ1ZWgscqAW+Y3/IicNx6uP/2dTvZ+sAE2g
fu8TAph11xD9SbNfB487g87EhumcT3FUAHdrQWLzpfvRmp+ghUR5RlmcnaHdZScM
DiS27o0D79bRT8yFKjzLHGxTPIC0MZBl3leKLQQPGAG/ssxDJfRswg/5wPOGUcsg
IQIDAQAB
-----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 310134052794829671687774454070532822967709
 . . . . . . . . [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 2019-11-27 12:08:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-25 12:08:23 +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 'jk-kserv.duckdns.org'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23888399245347984951969280571137200453485774251808737330968038596089334250058783186403318838844419501898581848179401595929957681021165260379068103522106459621717756450957907664596022789216223832177481133632948388018759594182248309908821414573960976481404108115533176438574762927921057661979653243417918873874836765305522884229413598909346481586896267095504042024956377279366991671463901027367107873077066606931525936632681324828666712385838783930654103031493282896357175103068723256843339733059832825278321055535663497374448500293062858811243994597336970050124173379362378057630254872607057532968001399078606760255521
 . . . . . . . . . . . . . . . . . . . . [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)
							ef48226429db8ede9f2f7aef1505244da2408a7a
 . . . . . . . . . . . . . . . . [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 (65 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jk-kserv.duckdns.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jk-kserv.ydns.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ks-homu-saba.mydns.jp'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016eacfa1f7f0000040300463044022005252d2b26ec891800cb9ecdf2156393d7a3842e6518a83939f6b9d308a27c9102201bac908fa257afc9bd0f4c71466d6fddcb373e93ea7759f0ea10eabb6332e05f0077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016eacfa1fae0000040300483046022100d6bce04f013d48f38c02417bbba14767bf12c358710bfcbc367fbc9f9209700102210083be0483aa43e513ab7469b93b0802d378aae9ad9317597800133697820605ea
 . . . . [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)
		00881828d2409229306be8c3260f2df48a44bdf9c12f559cd14142518a966e1e52b757e3b3a0bd33d6c36f022d47ab892111e2823ff7d70f593d6b0dd46846cf73349b2055739753b4fb82a17890699d829206f5d8faa961519b4e63b1041bf4ae0755bbcbe1db2759629fdb2de714fabfeff19127f79aca624e76ebae9533298d922982696e6b64e87e7c175668035d6da8fd2f2e5ec3588572fd7ddc4664d31951578f94f9a28132e161d35e50655ecd3c792f43a7886ae3ef35b987d82448b8c64f99d9168e0f8fb064615772136672d75a49dd0e5c065710b4496945a5c208065a274cff16ca355b9e399beb9620dd3d3022a333e880991533bf0d42347482