dynacom.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:d2:84:0d:54:f8:62:f2:ba:08:2d:8c:d6:ec:d7:dc:74:7b 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): 03:d2:84:0d:54:f8:62:f2:ba:08:2d:8c:d6:ec:d7:dc:74:7b
Serial Number (int): 332971682167382201094962571389326765880443
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4d:51:16:8f:12:84:1e:b9:ee:56:c6:fa:90:b6:5a:f3:41:fa:71:61
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b9:1d:b1:0f:3b:65:c7:d0:43:bb:f4:eb:58:75:38:0e:85:92:31:02
Fingerprint (sha256): d3:2c:be:6a:5c:42:58:9e:df:f7:2c:27:18:43:7b:32:13:f6:3d:26:d5:04:24:44:09:4a:85:fb:cd:c6:ea:89

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqPRJb/i3Gx1l1Rrp2jXr
R2Pe+gh3WEcjrIbmtULWE3UXj5XBqGWuDrZz61PZu+KLvq7HNT5V6GryZK+2lEue
+KiVT8IhlTDc1PS5urCwTKUBLgmE69f34a8TUWeiNBj8csrWGGw5dxvFZrcpP5k7
joYEia+83vB7n1qOmZYZ8+Qi8BA/G7WV14O9v2XkVJFEQdx8QP972P42T+nUTz3o
PKLYT/X+JFrHkevWUOB9qn+zio77K9AWybEbGyqZoyuNaWbW4xMC0Qrmjm7yrLK4
TTwK5GqSzct0RUs8/sNptnpn21iz5yHTA0mhRJWecBsAlns0C96JjUkWgFR3C36v
uQIDAQAB
-----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 332971682167382201094962571389326765880443
 . . . . . . . . [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 2023-05-27 11:22:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-25 11:22:47 +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 21328497577023810479331884945161665931775759196007927792108269300041740498380822402058076282595513975153914161528246677320289268995540089494811431420688746527247571452295872023605011888926328002858054881542915823818170317329962216586737858998077229754056426380094706483858615670926465834094969741621915096651948564686320222469470055279519781383828883770037982003268827994635116747761133122737261770853280910900804179771155385516953564629198840737585256008373026746990453973197177021938788658415317125137616686192339385813764722348428117707472472385249517033797098518044915616142190863581980373426809114252287533821881
 . . . . . . . . . . . . . . . . . . . . [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)
							4d51168f12841eb9ee56c6fa90b65af341fa7161
 . . . . . . . . . . . . . . . . [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)
							00ee0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001885d29517c000004030046304402200d6bd680fece72e0ac1011f1ed2580284a3666cf8dff9011b0c434d8c3df460e0220425585709bcd9f33caf4f96a769c77838362bceb0b84bdf5d1de46f742f4d929007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001885d2953620000040300463044022036a97f88ccd6a2150017f56b9f3c14a7415e891a9188f91743327d5c501a92bd0220565fe755882cf745885f815d6554f99bfc7d31f48e0f4106b768aebc6751e5cb
 . . . . [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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