dynacom.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:f7:3b:b6:68:44:24:5a:72:2f:5a:7c:4b:1b:65:9a:3d:5a was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=dynacom.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:f7:3b:b6:68:44:24:5a:72:2f:5a:7c:4b:1b:65:9a:3d:5a
Serial Number (int): 432578259921061715070723172186186262920538
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2f:79:63:3d:ab:a8:cb:99:21:a3:3f:7b:ec:97:5c:10:25:a3:a3:94
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0c:6c:8f:e4:6a:e1:58:0e:df:73:0d:2b:c8:1a:84:ff:57:7b:83:a9
Fingerprint (sha256): e5:bf:b7:af:6e:4c:17:2e:98:8c:8b:09:17:03:56:3e:ab:30:ea:81:11:d0:94:dc:c4:eb:73:01:7c:9c:11:34

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate dynacom.co.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dynacom.co.jp

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

dynacom.co.jp
www.dynacom.co.jp

Other certificates including the domain name dynacom.co.jp

(limited to 100 certificates)
cloud.dynacom.co.jp
cloud.dynacom.co.jp
dynacom.co.jp
wftservice.dynacom.co.jp
bbs.dynacom.co.jp
bbs.dynacom.co.jp
dynacom.co.jp
www.dynacom.co.jp
www.dynacom.co.jp
bbs.dynacom.co.jp
bbs.dynacom.co.jp
cloud.dynacom.co.jp
cloud.dynacom.co.jp
bbs.dynacom.co.jp
bbs.dynacom.co.jp
dynacom.co.jp
www.dynacom.co.jp
www.dynacom.co.jp
cloud.dynacom.co.jp
www.dynacom.co.jp
bbs.dynacom.co.jp
bbs.dynacom.co.jp
cloud.dynacom.co.jp
dynacom.co.jp
bbs.dynacom.co.jp
cloud.dynacom.co.jp
cloud.dynacom.co.jp
www.dynacom.co.jp
wftservice.dynacom.co.jp
dynacom.co.jp
www.dynacom.co.jp
bbs.dynacom.co.jp
cloud.dynacom.co.jp
dynacom.co.jp
dynacom.co.jp
www.dynacom.co.jp
www.dynacom.co.jp
bbs.dynacom.co.jp
dynacom.co.jp
dynacom.co.jp
www.dynacom.co.jp
cloud.dynacom.co.jp
www.dynacom.co.jp

Certificate

The complete raw certificate details for dynacom.co.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA78XYiUsgLy8+lz5TNVlb
8EFQD0lVNeyUX9DtobVxAKfUT21JdrnzJLL9IVZ/hTbTffsn2Zn/GWElpEV4tpvK
G5N81QN5REmQGhDnBJAnPUjL7Sw+4ZrGkC/xb1yNKUfH9Ly9bP48dC6EEOyNv0db
qPP1WiQYfIQSrwZ1ESqksRbFmKgN/tZD7V8NzmMJ8JijjRKseix9AUf+ICVEAJ1f
t6KULt/jgPddSxUtlTajuHt/Bj4GCQKhJeOBlhmlBihJNUpk6B02KdQn0UpJOYeM
h1SslpovBRXnpKprRtoV+kBLa+TS8piYm3sE9qz4aR61Brt5KWT0fg7aDkqpWa/8
kQIDAQAB
-----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 432578259921061715070723172186186262920538
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-23 06:03:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-23 06:03:20 +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 'dynacom.co.jp'
 . . . . . . . . [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 30268516309187956880565958542672527543477570401015545798056821563373554311062723694701167982260435851435336836776467632754755810879465079688387320738851595388370251753467404036814736379125117144326139286451007576438897021785254031879883364177411662033428697959516007047139038773007691091114034120304328624346494820277563243379223681609881321266135705694904523120317132491049803140105160831298634233367799011654422960115500762180356015677910718036418693958628116667186496458795269634969867446287051834818171321936178999992672064601982462653533311332806171402998267672109484349209499072724643881848520650140732045130897
 . . . . . . . . . . . . . . . . . . . . [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)
							2f79633daba8cb9921a33f7bec975c1025a3a394
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dynacom.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dynacom.co.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018dd4c699e30000040300483046022100e3a41453cd38600e8eef23ab648fcc634a36cef709be2718c469615295166d0d0221008e265501db89580f4c91da901e9561f34557b1a6ba648b148c9a4080aea90b66007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018dd4c6995600000403004830460221008f5239b58bc03c66208033f175ef0e16219876a762c35d8c8250a82eefc7511f0221009ddbfdf876f7f7f0b4bed48ceebde3722247aa8b17b2d0c2ef5096c44593f8d1
 . . . . [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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