jk-kserv.duckdns.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cf:73:9b:ab:34:b0:df:c2:6b:5c:7f:33:6a:b1:16:73:ab 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:cf:73:9b:ab:34:b0:df:c2:6b:5c:7f:33:6a:b1:16:73:ab
Serial Number (int): 331928977245909986645939885524188006871979
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e5:3e:69:b6:1f:38:59:5b:c5:6a:c4:81:98:63:ed:64:58:5d:a6:0a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 26:35:69:9d:64:3d:57:a6:db:06:c5:2b:48:23:b5:59:28:48:01:c7
Fingerprint (sha256): 29:c1:61:65:5b:f7:73:e6:ea:e4:d5:1a:c2:81:67:e6:ec:b1:fb:1e:fe:9e:2b:cb:3a:d7:55:63:b4:0d:3c:dc

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5dMYXUAEvZ7BhTV6r6cH
95dDKUaHvTGlu20TUBU7gKs6t4j8Im+96az0XaGNnQH1T2vgq/FfUpy/jh0Wpb9m
BmZu0/APnmRWDUR8Kjc/C6ARQZdN6VyoKVeiILpZiz1DkeE3A6hqtZVj8ucAr/0K
yzGcTa36t+05JGDd50d6T55Lwm/V356NghvaTWOKr1fNsIFwGVc016NKBEap+Xmh
bokNRChjZGXwTMI3KwlDwozre4cYoU9oDO4MfCPKa4Wja5MXjaI8xPu4ZA4JRUSo
XEm37lrE9zkBDJBAIeKhGmPxkD9gdsj+Mqq2/l3LkacuCERozrqcr05n10OXX/99
LwIDAQAB
-----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 331928977245909986645939885524188006871979
 . . . . . . . . [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 2019-03-31 02:39:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-29 02:39:41 +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 29012666746646526969741906195916022562370364130434743224957464139781425337673677589175300702700876949270913975463542375409105972513194025213906145726357069290143421865511016818542262068131072295023809491158290429931113816453855325834520781294090635437745185118976698039184064084682310557865592357659435524648897344141205659543801022992247808174452888482758168272974903034504248832713655136478081850182429721859826754473869178476807304807421417798767206064003981062028039239514598051505290932715187529635501411367291912490696478059184963183362062666871941770602221234472167708164941535264885210240669518149072778657071
 . . . . . . . . . . . . . . . . . . . . [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)
							e53e69b61f38595bc56ac4819863ed64585da60a
 . . . . . . . . . . . . . . . . [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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169d1d4d9de0000040300473045022100db6b8d612cfc2055d826c437e45fa46812be35c562c800b16b92f3be1ccebdbb0220140807d2def4685282deea5b1ce1eef39c1818508aa85c93432b217af78813d9007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169d1d4da5d000004030047304502204b61b30610d953987eb65e1cfe92ab89dbc97e722b921cc6c08d4226bb755c6d022100b3dc5c8a38da68abc5e757ae290856bd9573538202bb42400abe8adab90cc6aa
 . . . . [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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