mail.kinten.net

Issued by R3

About this certificate

This digital certificate with serial number 04:41:9e:ba:20:ad:8e:aa:1b:1e:7c:bd:15:e9:c0:bb:75:bf was issued on by Let's Encrypt.

With 16 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=mail.kinten.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:41:9e:ba:20:ad:8e:aa:1b:1e:7c:bd:15:e9:c0:bb:75:bf
Serial Number (int): 370778482030239422846144090861967588947391
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 4e:97:8f:81:81:6a:73:b6:6e:7c:af:29:90:0a:dd:5f:4a:5c:74:01
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 25:64:88:c2:3d:53:26:8a:9b:96:b6:35:22:4c:f6:3c:44:bc:99:c1
Fingerprint (sha256): 08:38:ac:0e:98:d2:d3:07:02:34:b6:ae:0d:0c:fd:76:9c:bf:aa:72:18:1a:b4:4d:78:a4:c5:8e:d5:47:b9:20

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

Revocation information

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

Check the revocation status for certificate mail.kinten.net

16

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.kinten.net

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

en.saiseido.co.jp
koso.sumire-corp.co.jp
m.kinten.net
m.saiseido.jp
mail.kinten.net
saiseido.co.jp
saiseido.hk
skr.tokyo-u.org
sumire-corp.co.jp
sumire-corp.com
sumire.cn
www.saiseido.co.jp
www.saiseido.hk
www.sumire-corp.co.jp
www.sumire-corp.com
www.sumire.cn

Other certificates including the domain name kinten.net

(limited to 100 certificates)

Certificate

The complete raw certificate details for mail.kinten.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6mt8Ez+qjPRnJvjR6W6v
bm49VqEMkxTDpofGJO7+XZfaW3KB91Bo30/ZwhVn/QAGO3lSH/KKznYs3dllHZZA
gwd7KBrK4zmxgEgRL6bYkzD+mG/6LE7O4A5lGPy2kvnDNTGbD7q/tHi7FZUzILeU
g7OfB3DDJxoKBifJ5vSEwzr62Ops7QjUVzLKuVMu19j5liNMjvJRwwqphks96Y2I
dHjMhBGJx1d2bk3oQ6DGSK/2lyr1z9N8yjomd4H8AYZr63UXB0XYhp55sJunfT6K
L+R6SONgfwJS1NMGtYEv+HFKDNj5PAAIso5PUrZrlGauJqcMs58v5vxaKyjSTjq0
VwIDAQAB
-----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 370778482030239422846144090861967588947391
 . . . . . . . . [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 2024-05-10 17:04:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-08 17:04:29 +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 'mail.kinten.net'
 . . . . . . . . [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 29592766027635902210458281294211996920669948849474462392367255158371345749605837936628555167943610599090497851304980116334465023089861537316161449260836830849850691550088912425435876437095363751314563106435057895369525537249279550287397373256106410697065026806157734257367232211389192447899941118525166950574170952408119432694966158691398135715169316203264056648316226162475710156698674461309447336934244086007533386817079013455725616642002252647618722486567231654940717412880004289753565982018153255571880544800881363223569924614755124131372355206203970192838734107584639243337691148157696708036156580805591598543959
 . . . . . . . . . . . . . . . . . . . . [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)
							4e978f81816a73b66e7caf29900add5f4a5c7401
 . . . . . . . . . . . . . . . . [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 (282 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'en.saiseido.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'koso.sumire-corp.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm.kinten.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm.saiseido.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.kinten.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'saiseido.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'saiseido.hk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'skr.tokyo-u.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sumire-corp.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sumire-corp.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sumire.cn'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.saiseido.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.saiseido.hk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sumire-corp.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sumire-corp.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sumire.cn'
 . . . . . . . . . . . . . . . . [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)
							00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018f63ad91350000040300463044022008eef8e821f7e31709b1015c1531605b536ad89421c5529889bb161756408d1902205056d5df77181fb657d7eec8696900aa58c675a8875e181a1cdd1db039f3049e007700dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018f63ad91f10000040300483046022100b31b7cb1a6641016b340e3aa687cea145152b2881d6d9c623a4af3203286c914022100e328c4e6b5c4c87f92d808a97eb9af4efbffde28f851d2b8060318c8f1893b4b
 . . . . [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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