dynacom.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:d7:4a:0f:6c:6b:85:21:08:15:2d:c2:ad:46:49:c4:fe:6a 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:d7:4a:0f:6c:6b:85:21:08:15:2d:c2:ad:46:49:c4:fe:6a
Serial Number (int): 334596009638442323403941135747948986302058
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 41:97:ce:11:32:9c:60:7a:04:4c:ca:67:83:e9:cb:6d:b5:ae:79:c2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a6:9f:3e:dd:7d:a0:16:86:4b:a9:44:ce:9d:ec:fe:3a:22:5d:f2:88
Fingerprint (sha256): 8c:07:35:89:b3:39:ed:c7:ea:d1:d0:d8:b6:13:60:a8:3c:ee:d9:45:9c:d2:d8:29:f9:b9:76:a0:d0:35:01:24

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-----
MIIE+jCCA+KgAwIBAgISA9dKD2xrhSEIFS3CrUZJxP5qMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA3MjYxMzQ3MDBaFw0yMzEwMjQxMzQ2NTlaMBgxFjAUBgNVBAMT
DWR5bmFjb20uY28uanAwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC+
/bsAWHMK5G0bvqm10xKu7P3NciLzLvCXeowa+6cvEe8pRTRC0ufLAhgdL5rzSLEV
+ynG7/gDMY9KUJt23OO8zctXh8a2LCzz8jZdDeA3Hs9ehJNzCqRHsok7ocVLcbZt
/OQcI2YNaMLSsdAntU1SBHTlui0PtwoMaAFlMn3JeGEjNFCsMbM+lwTpPxPIbcTh
o++/ghrkTee+d1ywW287LgTDiB13NCqvgA7E1shLdTKeIBHNBVNN1Y3/qA2NdZp9
BKW25qU2nOiTE4YSdwRZDT7zumAMlnereWvWLqmrInFDEYSobI59/qM2nzrIhKpU
Ok1KaUiw2ieehsAHox/rAgMBAAGjggIiMIICHjAOBgNVHQ8BAf8EBAMCBaAwHQYD
VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O
BBYEFEGXzhEynGB6BEzKZ4Ppy221rnnCMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJ
QOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3Iz
Lm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcv
MCsGA1UdEQQkMCKCDWR5bmFjb20uY28uanCCEXd3dy5keW5hY29tLmNvLmpwMBMG
A1UdIAQMMAowCAYGZ4EMAQIBMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYAejKM
VNi3LbYg6jjgUh7phBZwMhOFTTvSK8E6V6NS61IAAAGJkqrkiQAABAMARzBFAiAC
yFw+4SyTrybn5jytnUcW98HMlhGc03fQ3jy6hpJxogIhAKdJgy82julUk3h+tlPK
ZTH3v2fRwqpv4/k+JjwGM9X9AHYArfe++nz/EMiLnT2cHj4YarRnKV3PsQwkyoWG
NOvcgooAAAGJkqrkngAABAMARzBFAiBmuDYpMGZcM5EDyHqQeE3Knu6s2X3w2q7a
Zk08Mv/FggIhAMptvkuT/ENcs0E2XlUHqOdRbQT+Mju8jU9gMqCqas0vMA0GCSqG
SIb3DQEBCwUAA4IBAQCVxq2UTUDnGRXENEGS1JVdBg42y+ONjkxDprghjC3X52fM
QeSRhQxPyqZ6bYylgSNWYHDS+WoqcYOA4Jmjxfbi2/19/JQNP7YZnPu03sQhpYBP
leInd50SU3sfX1MATU7Q7Jz5VQfeVLDySTjRKbiO6lHzYt0YnHHLcDJIokjbLJbA
4wkFVeTc6DADoS3s6G/KgQN2prHjD6cmW9ZwJSCwVMaaELq9ql7KInGGOc7UrroL
0DpWL9OyqX3V+nmyZHjVNDOP0DPhoaS6Lmlnj+np3RoDFH6OT4AQovihJsX18Bz/
4TIDnWhM5Yk+VvmT5d4abHRt9XYyCAT8MaNSmXuM
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvv27AFhzCuRtG76ptdMS
ruz9zXIi8y7wl3qMGvunLxHvKUU0QtLnywIYHS+a80ixFfspxu/4AzGPSlCbdtzj
vM3LV4fGtiws8/I2XQ3gNx7PXoSTcwqkR7KJO6HFS3G2bfzkHCNmDWjC0rHQJ7VN
UgR05botD7cKDGgBZTJ9yXhhIzRQrDGzPpcE6T8TyG3E4aPvv4Ia5E3nvndcsFtv
Oy4Ew4gddzQqr4AOxNbIS3UyniARzQVTTdWN/6gNjXWafQSltualNpzokxOGEncE
WQ0+87pgDJZ3q3lr1i6pqyJxQxGEqGyOff6jNp86yISqVDpNSmlIsNonnobAB6Mf
6wIDAQAB
-----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 334596009638442323403941135747948986302058
 . . . . . . . . [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 2023-07-26 13:47:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-24 13:46:59 +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 24110397103546337898861074735275418608123817883526725864522104536669819676365314853504332528552447063759937705059588171950302192563494533664033912290655830272398754903086952490370997924743097659866942174943116518053824327377256229921197982316253458497727888235492657696915622738051712336837151757236173057865511851218172511439511181920706761882119210108118617993063528275098337871995098555801999311912448194246548636297770360487770564448378280171145799936683757371000903935576859824900340592466301343449470923213328308073108347043913113036528722354274823280439199257362537584525522777935001956200556627530106729078763
 . . . . . . . . . . . . . . . . . . . . [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)
							4197ce11329c607a044cca6783e9cb6db5ae79c2
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018992aae4890000040300473045022002c85c3ee12c93af26e7e63cad9d4716f7c1cc96119cd377d0de3cba869271a2022100a749832f368ee95493787eb653ca6531f7bf67d1c2aa6fe3f93e263c0633d5fd007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018992aae49e0000040300473045022066b8362930665c339103c87a90784dca9eeeacd97df0daaeda664d3c32ffc582022100ca6dbe4b93fc435cb341365e5507a8e7516d04fe323bbc8d4f6032a0aa6acd2f
 . . . . [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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