jk-kserv.duckdns.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:9b:a3:7a:95:85:77:4f:5b:e5:b9:d4:dc:e4:15:9a:59:1e 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): 04:9b:a3:7a:95:85:77:4f:5b:e5:b9:d4:dc:e4:15:9a:59:1e
Serial Number (int): 401410211255969432173350248024878874253598
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f6:65:e7:c3:00:6d:8e:65:6b:31:57:18:7c:48:45:4a:95:44:c7:91
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d2:5a:57:0c:91:a3:e7:75:93:f2:9a:3d:99:65:e8:0f:8d:8f:25:03
Fingerprint (sha256): 63:a1:35:2f:32:35:9d:7e:e4:00:54:72:a2:23:15:3b:cc:87:9c:e0:c0:75:54:d3:07:9a:7e:4c:c4:99:27:81

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)

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3cfrxWtHQH5lwfYUStoa
F0ogB3g+XkzVRe1GQGp2oKPIa8RRw9nC2sml9c6WkFsW3uhbZCGqtMK0NRgnzf+q
M5Y1esTiO801DdOJs+VNkS7LS7eTaHi659V3KTMeOU+/f4/LIBP3V4qE0mFwxTQX
6nFe7H8yPesreGrFYl5WrCFuc2Rs3iC0PZPL1pwGLL0kJ1yumRlLQeY/1WM2VLEv
BqfRQhTIejvvVqDkFTaqLnKmxScb2/pDZ8WUXVXcDpcSheF/v/DVOr2b4RXCtTRA
3on6KOhXIuzKC8pOnNhC6tOQdsZpaNCnnGsAWfwAL8GecJA6CtJiSo9OYzxidh84
9wIDAQAB
-----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 401410211255969432173350248024878874253598
 . . . . . . . . [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 2020-03-04 11:00:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-02 11:00:44 +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 27997250107594517231996663434352486897819881988439383591774199390682441301962560051204523035098919219785561726064396403146264217736224575029366165386172367800559110917318801865419689942258758202815328689165656511899029448158866908269687556390043362572015987135339699238374011659102223250009279315414934678129793303466087964147829524978382744960583909725035239335659667403433369524249745715824060534897056429688894080747463463383254489177184670654645383797338009873795805178789829338518333598513258372846744543126793300864257734403908511497699642373268790532981119279488995971157674047378426123232981955400568638748919
 . . . . . . . . . . . . . . . . . . . . [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)
							f665e7c3006d8e656b3157187c48454a9544c791
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170a56b69670000040300473045022026d6b69246efe512556046fa11314cebd395c677bc175dd953765cfe1eada265022100ad28e00323c97c502ad84dc02dea2133870af0ff1b3509b5beab7893556beb45007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170a56b69650000040300483046022100829b23791305875905a609e7fe0ced317ff2f485282127cc74e7e69d6421f998022100cfdb4068f946de600b6b36e34467fe286da5c873cafd7dae18ed38c44486f5f7
 . . . . [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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