mail.kinten.net

Issued by R3

About this certificate

This digital certificate with serial number 03:5d:b4:65:c3:aa:37:3f:d3:91:66:2a:00:b7:16:b8:56:3b was issued on by Let's Encrypt.

With 16 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=mail.kinten.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5d:b4:65:c3:aa:37:3f:d3:91:66:2a:00:b7:16:b8:56:3b
Serial Number (int): 293222907348707773093147651084276760860219
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d6:30:c4:5e:1f:e3:dd:d5:e8:a6:97:c2:d6:06:f8:c4:4e:4c:6c:0f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 96:6f:67:4a:69:9f:49:59:c7:eb:05:e0:2d:62:96:c2:5c:87:fc:0d
Fingerprint (sha256): 9d:90:cf:9b:23:75:e8:6b:fb:be:71:01:2c:3e:71:b7:62:97:b2:48:c0:98:70:09:ad:fb:2b:1e:de:89:78:e1

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwuF4TtBat0U6tzQxPdW2
YvKocvRONOG3WxAmKN3IcoUCVF5sJTGs26yWPDk/jEzYGQydcwObRyhOo2p9MutW
GmQR7wSCRgelElwh2g09LulJC0c9bE6HcJoN+rOBqQxJopRwe9hy64neVEAsNYHI
fPzKh3urTGqRrqRqb8MZpWc5tkrQQOkmLpYn7KaT4KAfWbhx3h3FwFG0svUElTf0
RTN67Drk6eggdipr8vEBS0315zztRGSLdgJKNYYyfXZ48sd0r32FB6mvurJGQbB8
QiGruaBckNkqBg3dw7Roe+OoWz9AeO+Phns2doUDf5AQMj9pGknh/lkjNgNOwM3R
qQIDAQAB
-----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 293222907348707773093147651084276760860219
 . . . . . . . . [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 2023-09-13 17:08:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-12 17:07:59 +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 '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 24601414540905846849211928466478524305287779602876351670200459299854321339596371118154036035279836601035400907029262024211171304722088222281993127829216646890214041183052696137381244030769292257132292747587222444271967802976233274059689476510315459213415700687322965724881915472602164079112056727149694856629800035713646104984571757892814816940412133350398014113909004578639712239147169452801772910560066012133137171604594216896851681493674050313301147470073071690929602739639880968153609104927954390792064774668341625994577307930077889834374218282158454955133722395273689023106507007473004709071785620090133697909161
 . . . . . . . . . . . . . . . . . . . . [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)
							d630c45e1fe3ddd5e8a697c2d606f8c44e4c6c0f
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a8fba86c100000403004730450220474de6afe16374bb5fdfa08889cc12d839529d48d5f7f61c8ee59579976a3e03022100f44e69879db1c9b80bfd2addb6079965c5de4ce35e07bbfa87bc8be9f9cd736d0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a8fba86cc000004030046304402201401d95278a1f2af85e98c62e89bce8fec35acddfeef07ac3f14030fbbf6355902206a4cf54c2ad4e65dfd988dde5c4df4c67f71c17836f8f56508ba98ad81f4b66d
 . . . . [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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