DV SSL/TLS Certificate for niziiro-hoken.jp

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the niziiro-hoken.jp DV SSL/TLS Certificate

This certificate with serial number 06:7e:ce:27:7c:ab:06:c9:8c:07:29:db:b3:0d:6b:99:30:69 for niziiro-hoken.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 niziiro-hoken.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): 06:7e:ce:27:7c:ab:06:c9:8c:07:29:db:b3:0d:6b:99:30:69
Serial Number (int): 565823319817877809012382750415716970213481
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 02:04:a4:1e:c7:50:d8:26:44:df:f5:bf:73:19:88:b1:6d:0b:13:a2
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 5d:a2:80:b1:9d:d8:ca:0a:1a:0d:d6:81:6f:b4:b4:46:8f:a5:ed:66
Fingerprint (SHA-256): 91:a4:55:ff:95:cd:75:10:38:02:32:af:23:92:c7:dd:55:98:1f:bb:48:b1:78:e2:c6:f7:58:19:19:4f:e2:7e

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/106.crl

Check the revocation status for certificate niziiro-hoken.jp
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for niziiro-hoken.jp

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
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 niziiro-hoken.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzzxrn0lOSAxBqk0g45Q7
TGP4H6anHv5HLiQSDvapvRelQpDnai4rTZpTVPEejWtAvehB30U5Qtq/3tPxG6yZ
JqCsqCPv+VNAIYNvJ0dICrS9QjNm0KmvG4aLesZxBneMGxlcT+a4qolyqCkNJJe4
626/pLdgO4YwLZS0e0vsmuyHlINi4XTML9Oj5G48BYtHEujKJr+4NI3doJExnNg4
7qpEhXAyiV2jB67S4AN7Fp4REYV/eCAiqQf6SmBqJFqDlICVFKFw8YvLXobbQJ/a
6YZlhI5Xh7gGy7EYXIIXatxvwSkc4n6xfWUAUkrH24c1hPVGjTCGmrgq8GwJvlVh
TQIDAQAB
-----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 565823319817877809012382750415716970213481
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-21 10:14:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-19 10:14:04 +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 'niziiro-hoken.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 26161123537305449833820776991455716650602646755049895601668465238409749910619298969114214364775385172704380347001456904842740084792419284030310211809503977335846258276850808639013298450570741157384621343772974281547400502787721726900002690197813358888658333773260772719794019560848874333584309322082707928813234596932864014803526420202818767170943846050427707924795810881673990605914894445914403393030134038726535958252033852317074676837830292933734139861790670785775992466478776131115159270010436269582990067927352254045171019568919610202960014737535254995841524098675073206273357933832722545693764678817598867333453
 . . . . . . . . . . . . . . . . . . . . [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)
							0204a41ec750d82644dff5bf731988b16d0b13a2
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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 (39 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://r11.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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'niziiro-hoken.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.niziiro-hoken.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 (40 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://r11.c.lencr.org/106.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000196f28b92300000040300483046022100e98b9ec95f4a6ae56bba6cebc8ecb006f462076770cb97aa053a20cdf223af19022100c8363998223fb6af146b126d8eca919c9b7ade502d753a64c5ada20fb6091920007700dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000196f28b92770000040300483046022100813cad075550ca7eeb9b9fcadbbff98870dedaa2ffac5a7658484b724f9e039b022100d9f24e2df2da37e45deca60d43f8bd82e1a6be1ca536f4a073c299e951b2f4a8
 . . . . [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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