DV SSL/TLS Certificate for www.kyoto-mensclinic.jp

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the www.kyoto-mensclinic.jp DV SSL/TLS Certificate

This certificate with serial number 05:50:5f:fe:94:87:e8:e8:93:48:85:70:af:25:57:55:9f:48 for www.kyoto-mensclinic.jp was issued on by Let's Encrypt.

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 www.kyoto-mensclinic.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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:50:5f:fe:94:87:e8:e8:93:48:85:70:af:25:57:55:9f:48
Serial Number (int): 462911617528042450132800239426157610901320
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: fd:85:0d:0a:00:c5:af:a3:aa:0d:f1:98:ee:99:3b:96:bf:5f:49:37
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 97:dc:f3:9a:6e:77:14:7f:09:ff:01:9d:b9:03:5a:03:a3:58:8f:a3
Fingerprint (SHA-256): f4:b2:c2:77:ae:00:a3:6b:0b:e0:ca:41:1a:ae:18:7d:c8:af:f3:5d:91:d4:0f:a4:9b:f3:b5:8d:4c:3a:ae:eb

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

OCSP Server: http://r10.o.lencr.org
CRL Distribution Point: http://r10.c.lencr.org/73.crl

Check the revocation status for certificate www.kyoto-mensclinic.jp
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.kyoto-mensclinic.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for www.kyoto-mensclinic.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2XbEPEP+P2ww4pbPY/GP
9BQptu+6TUEVFMsw0EjYKHAml6J8uhxpAPmXUKtkgA2aS0jubIJJ7rSwzGve5ANy
Nq3tzc6L2JZrWG8iaSTWAx1S7UOGHu6JSTbrDqZhNQaRwYaRkhuGCV81+gieuoK6
1mbPt4gkDBi0Lxdj+LtBwMT+RpRHeF1j6LVS8yofDBZKFaYVNuHXnQWvUq51FusV
Crw0yF93btOOUrVf4kfiYqbNOmqAbA7ED4A7d+HHfBWeqSfz1zsTbY/WyDpc7/XA
qlRQCgN9KtXMKMWecq8DfJRwNWWxzGo8byBJalAKn8sDv6reKyJXIszqrl46P6yJ
2QIDAQAB
-----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 462911617528042450132800239426157610901320
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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 '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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-03 07:12:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-01 07:12:05 +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 'www.kyoto-mensclinic.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 27452278143550586472332438872869429625936009724593948106953941354030009766729141290637002141394200597382874963250272927035863025454541436834165301495444499172954353936838569400221144040967265822082133776971547219362303846702892505195699031464445585598261578849561631361581245492155377865446777419871820624021844772499908012615401167632381336807935904318199918104145760935171220920092453175579553026135666839495537580465836250723129535886628457344267847587877376823993699638782576304117939842136932060905765748609984768528363450240149102548750213338397028714673452097540303331971539111280024409948519668835317661338073
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							fd850d0a00c5afa3aa0df198ee993b96bf5f4937
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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 (75 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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kyoto-mensclinic.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.kyoto-mensclinic.jp'
 . . . . . . . . . . . . . . . . [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 (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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/73.crl'
 . . . . . . . . . . . . . . . . [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)
							00ef007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db00000019695327d14000004030046304402202585be2c243fdb26bbd1c5d9c93c5445bd939d4dcbba629cc1c15c0c307dd666022013417c9dfc2b0bd871d8e63872bdaca5b8dfde95c5f1abf2387e46df08528797007600af181a28d68ca3e0a98a4c9c67ab09f8bbbc22baaebcb138a3a19dd3f9b6030d00000196953280e7000004030047304502205c05868972ca8fd800a869bbed435711ada6deab3ba1a1e9599c38fb78e924600221008ec2a6e986821fd0a352f63803f2ba0e86accfa017edb39e7442173bd43e8221
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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