dynacom.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:86:4c:7e:85:3f:76:13:6e:b7:ca:2b:0c:31:5d:ee:dd:5e was issued on by Let's Encrypt.

With 2 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=dynacom.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:86:4c:7e:85:3f:76:13:6e:b7:ca:2b:0c:31:5d:ee:dd:5e
Serial Number (int): 394148659154118963932880625666523560598878
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8d:9c:70:16:75:ca:f3:8d:68:46:55:4e:f7:c9:49:4e:45:cd:69:a6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c4:4f:f0:b6:be:a1:85:dc:72:8d:77:01:f3:6c:d1:4c:67:aa:71:53
Fingerprint (sha256): 39:da:33:58:85:4a:79:d2:cb:9b:bd:ff:83:f0:5e:0b:70:bf:26:52:81:d3:8b:7f:66:70:0f:a4:4b:93:b6:1d

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzwiN/IO7ssnS4BZwFoCw
qC5TwZzHtZhDZh2fM3u1TLLsSh++GmnSjxzKsmF7uISHHL9CaiA4oRggBeu7xJwN
tz3bMEyMxrJY9bFXDCgLRT76yD1FFFhxAgeH3dC8pes1bBqTGyah+12ALS2Wkdqt
+8aO6kt9nhyWg7kRVP3Kd6i0my2StoUr1jJaq65qVb7M3K8yXgbdA8lqhHu1v1gK
fhFB21pHSK0fzkYL9iKBPS1II1vNf9K4/2mruxuwEtDgfo6bVyKMPU98Z6Cdrzpq
1Rxgp9jvMhggXbjfkjGUa0CQn4h0/fCbi1xEKRJBxH+LyFP9hy7z528NtvsL+oGt
pQIDAQAB
-----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 394148659154118963932880625666523560598878
 . . . . . . . . [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 2023-03-28 08:33:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-26 08:33:26 +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 26135547575379414189656324231313467387992826696469097720346663898203875999182537259448595333022661091546506479877657813609271876970742891405944298933444410753324125723555168111594822122004960278408016798671424672507307197483077933758842004862878220884391617997049722089886595914993605421116246264232573623185462980730268111115600732669047853662917987461007978537925305876220775478050348996162529986222881070241410376747313593522592991000349348931314269124077308290091054661165240014406995288667433024671016802492070881860221430838712569363385157559581673796037547857559188474198723469714398090763325790258753175661989
 . . . . . . . . . . . . . . . . . . . . [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)
							8d9c701675caf38d6846554ef7c9494e45cd69a6
 . . . . . . . . . . . . . . . . [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 (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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001872790b60c00000403004630440220032a77df029fbd36c32dc54992a1fc6b9aaf3c6270088a289a7e366b9ffbb978022021e6e09903935245d96a32f96dbc2b69ecf9c0001d78ce970dcd5016655b45fa007500e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001872790b6130000040300463044021f218e77aadb23fbf43641a9276cfada5c330d111d32206eade28e60ddfa538e022100bbd948faac12a722cfa4e7041f61f79424ba3c09c1e842e26631fd3a582e302d
 . . . . [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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