mda.ne.jp

Issued by R3

About this certificate

This digital certificate with serial number 04:fe:19:5e:3a:f8:fc:94:30:bf:90:46:2d:99:27:82:53:2a was issued on by Let's Encrypt.

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=mda.ne.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:fe:19:5e:3a:f8:fc:94:30:bf:90:46:2d:99:27:82:53:2a
Serial Number (int): 434914584896865192165850462918284847239978
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9f:55:77:99:e4:2a:f9:37:05:fe:db:ba:bb:bf:77:9a:98:b8:9b:d1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): be:8a:25:c6:bb:3c:22:c3:5e:75:dc:e2:09:65:5b:6f:ed:fb:bd:d3
Fingerprint (sha256): 79:59:7d:7c:3b:30:5c:66:73:7d:00:4b:87:d5:2b:32:6d:2b:2a:f9:3f:4f:0a:02:37:c5:d8:d5:bc:8f:bb:4f

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

Revocation information

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

Check the revocation status for certificate mda.ne.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mda.ne.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

mda.ne.jp

Other certificates including the domain name mda.ne.jp

(limited to 100 certificates)
mda.ne.jp
mda.ne.jp
rikokei.mda.ne.jp
mda.ne.jp
www.mda.ne.jp
mda.ne.jp
mda.ne.jp
www.mda.ne.jp
www.mda.ne.jp
mda.ne.jp
mda.ne.jp
www.mda.ne.jp
mda.ne.jp
www.mda.ne.jp
www.mda.ne.jp
mda.ne.jp
www.mda.ne.jp
mda.ne.jp
gakusei.mda.ne.jp
www.mda.ne.jp
*.mda.ne.jp
www.mda.ne.jp

Certificate

The complete raw certificate details for mda.ne.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv8c9kbc3xym1656BqpVw
bm34uRjYH3xdSo0ITvgQFKMVA6ZyWiafa62hY2FuxR5pzE7w/rFWEzhDebtDg27u
j39zkRuX91EdkXkxp33Z02S/gVq0w+++gb4xZ1zv4jB8tbcSJoDzN/iOauOt3b+8
gy5dtApG5nMDAr/Qp6akIB5OumJeZZEtMp+fQkGNVPcGMrxFP+9JvijwjekIaINO
19neJ4W/ydaoOOhUOoLNLwfaomVxTxvUHRoVM/zEofYOaXZuYu1YmP4quZ33rEPE
efn/a7L4PC/5Wdc2UvlYPyNHhkAqxS10eJUlwgOl4/Gmemw01uK8XVAyF7KwvmiN
pwIDAQAB
-----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 434914584896865192165850462918284847239978
 . . . . . . . . [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 2023-07-22 19:26:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-20 19:26:20 +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 'mda.ne.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 24209765403178467430137240639285112059593247509510474585327799269153754639063004425414878477628812613245606426916674362199099043718950870814025843935593619443727022076677230687324632252244246099170264143667448371413109015868665682423066236886612897453499782504021904305466418157195068882476995929615674433911813154132559065431604856667707299468123060186091491740879055104843996138545239097402033140386633616898235799353665677306569955573944123927948413286984265575210137196367596564502909584774863235971023439360836909768483742717463386165068121323346400619280990939593041383032441986853625806844179799056066074414503
 . . . . . . . . . . . . . . . . . . . . [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)
							9f557799e42af93705fedbbabbbf779a98b89bd1
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mda.ne.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001897f48268e0000040300473045022100d0d8905c8eb33d2d839dbc28aa1becbf52a0340dd8b1116b373c2d6a2c92736502205538b4bdba272bf2d3f50ec6999dc2e22266ec0f44739a62e401154c46e05e3a007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001897f48268b0000040300483046022100ec1d8b9f930f9cc93c0c485e9ea440ed5886d7fd3c0511f3f49f8fed3477cb5d0221009610a7fdf983be8bda88fe47d7ced9e054a5fd4791e8797e9c195b47b5bebbaf
 . . . . [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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