DV SSL/TLS Certificate for omusubi.co.jp

Certificate is witin its validity period

Issued by ZeroSSL (ZeroSSL RSA Domain Secure Site CA)

About the omusubi.co.jp DV SSL/TLS Certificate

This certificate with serial number 44:68:63:73:7e:42:79:93:8a:6b:20:39:1a:7f:ef:b5 for omusubi.co.jp was issued on by ZeroSSL.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for omusubi.co.jp provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

ZeroSSL

Organization: ZeroSSL
Country: AT

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 44:68:63:73:7e:42:79:93:8a:6b:20:39:1a:7f:ef:b5
Serial Number (int): 90929519695526826556170797229333802933
Serial Number Length: 127 bits, 16 octets

Subject Key Identifier: 38:41:52:ed:b2:f7:e6:99:5d:53:34:56:55:ce:59:7d:81:68:b5:0e
Authority Key Identifier: c8:d9:78:68:a2:d9:19:68:d5:3d:72:de:5f:0a:3e:dc:b5:86:86:a6

Fingerprint (SHA-1): 18:a9:c0:c5:1a:b0:60:a4:87:76:11:16:2d:ae:b1:a5:46:dc:ac:c8
Fingerprint (SHA-256): fa:3e:d7:81:1a:79:c7:06:85:54:d3:ae:db:18:08:b9:3c:09:10:81:f4:35:be:87:a3:84:25:82:67:e3:74:72

Issuing Certificate URL: http://zerossl.crt.sectigo.com/ZeroSSLRSADomainSecureSiteCA.crt

Revocation Information

OCSP Server: http://zerossl.ocsp.sectigo.com

Check the revocation status for certificate omusubi.co.jp
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for omusubi.co.jp

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA384 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for omusubi.co.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArGedQbvLBilxYD0+BnSs
8CpPuO06+8dCD8dgX05JVcUOKFyD7Xe0noSk5e4NnY2EaDgONhCOHucGHLvyZwVr
UduyoQdBUlDIVgV9ghEyIL/kwNQDcLG4soimGnkFYXQp4KxcmypcyQZiQiN4S5df
IozT5+5RUsmlYqx4PSPxNwdvgNS/bM8udebXoVRRdJ8VLjkNKKjKibZewUlVXB4H
0oHjhPZtvIiI01+50Mco4N8ml7JXqywvFRSpfMhPrXd5Y54naxdiSBeT+UVBabKw
XT8tqAyK1gz8GUFFyjlI6Qa7mpchJGwps/n9eBVN1VcLTKH7K4f9Im18QrjB2+LR
nwIDAQAB
-----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 90929519695526826556170797229333802933
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.12
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'AT'
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'ZeroSSL'
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'ZeroSSL RSA Domain Secure Site CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-04-30 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-29 23:59:59 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'omusubi.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
 . . . . . . . . . . . . . . . . [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 21764082562036450143399626972320012011183283462655091342303589607094752715232082798573951460602604865489114062002865676759344917170497704392623886313845767633608738556094515631041557361035564330069774570001629880765618082286389585000922265170272548003084449781726715485023185210257821638765173109413610148890800905078735390703695504880960689233386265993646479487092276643762784503064006165402142443540925174180004274435365929323694050648573601925086226918287228681093490085981517886065425033846995506074735482932123825346268965163816935368335887524210657553092548566076350167456303794891118401226485940357501406073247
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c8d97868a2d91968d53d72de5f0a3edcb58686a6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							384152edb2f7e6995d53345655ce597d8168b50e
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.78
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://sectigo.com/CPS'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (124 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://zerossl.crt.sectigo.com/ZeroSSLRSADomainSecureSiteCA.crt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://zerossl.ocsp.sectigo.com'
 . . . . . . . . . . . . . . . . [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)
							00f1007700dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000196879121280000040300483046022100b113b3e37c213cdd91dc7a58bab1536fe919f09c79900e8a15ae2d60b7ad645a022100c6660b046a27563f276af383bb48fefa5ee8c81dfe3cb2b7d97b663ae36ab4c50076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000196879120bd000004030047304502210095851e1bb1ecf18d469d8264328ebaa91878893d97519dcc8016c7136cb25c4b0220641b56b028729eeeb958f6a49361eb89e879fdcac4f7001e22db5f26fa7303a3
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'omusubi.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.omusubi.co.jp'
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.12
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (4096 bits)
		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