peak-1.co.jp

Issued by R3

About this certificate

This digital certificate with serial number 03:6e:29:fc:69:53:c7:3f:ee:75:a6:86:96:e3:ec:00:d6:12 was issued on by Let's Encrypt.

With 2 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=peak-1.co.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6e:29:fc:69:53:c7:3f:ee:75:a6:86:96:e3:ec:00:d6:12
Serial Number (int): 298823727099510113925678260448441132963346
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 69:74:cc:ca:ae:03:c5:47:78:4e:4b:21:fa:4d:00:62:d9:8d:14:a0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c8:6a:79:36:a7:88:e9:18:22:4e:b2:e2:25:c5:18:4c:db:59:6c:58
Fingerprint (sha256): 19:9f:65:a4:09:a9:38:70:63:79:fb:03:ff:e6:21:79:49:09:d4:d1:12:ac:7a:b3:90:0e:79:cf:02:c5:76:74

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

Revocation information

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

Check the revocation status for certificate peak-1.co.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for peak-1.co.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

peak-1.co.jp
www.peak-1.co.jp

Other certificates including the domain name peak-1.co.jp

(limited to 100 certificates)
ssl.peak-1.co.jp
peak-1.co.jp
peak-1.co.jp
peak-1.co.jp
peak-1.co.jp
peak-1.co.jp
peak-1.co.jp
ssl.peak-1.co.jp
peak-1.co.jp
peak-1.co.jp
ssl.peak-1.co.jp
peak-1.co.jp
ssl.peak-1.co.jp
peak-1.co.jp
peak-1.co.jp
peak-1.co.jp

Certificate

The complete raw certificate details for peak-1.co.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArHn0YmPwTAbilrv6GUIM
mbqYbIG98KPRl8Ijh8lngiIoKc45D7COu/XgB16peOnbICHcdKfzzkA82804jI8f
I9PJcMD4DaN0lcQw1O3uuotf/gAzhp2bDjHIuIj4VQxNoyuPlRWvSZ7L0/KhzImL
ksa3loBo/D9/qScTz4jA8wmOx40QaNpwTxLkscScJIjUn3ZjskuXSQit/DpIzKo1
7OU3DHov7JFHh3Jxzn+YsAcAk56XD3pxLzSh5HSjDBz6hHwJvagiD8HAN9Eiakh7
/UGLT5waFTBc0VNtrV1HAf1EIRiqRuIm/mPvsaB1rPgWj3swLHmjAgc3c4mtZDUh
MwIDAQAB
-----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 298823727099510113925678260448441132963346
 . . . . . . . . [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 2023-08-05 17:12:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-03 17:12:04 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'peak-1.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 (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 21773126521776030800544221405595730097621922427181406840125419051347674416548114411829682294599861581969538119359933294956514491243118271836659926558444946268404691933532235508367127354819507718105723699663930273065057740952884119103410287259287298226744531428146226219747628598711127152446809205741389906817753313721072297809117800417826408705894034400697887352152528836799126486616296473238432317619458276875831287605249494532993318079199190651498219874019183083041808016146851592106451574981930625563806093960934196691306260339477268106745303775533129386694341609252200090858103597403495655714409059332395210449203
 . . . . . . . . . . . . . . . . . . . . [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)
							6974cccaae03c547784e4b21fa4d0062d98d14a0
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'peak-1.co.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.peak-1.co.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189c6e63f67000004030048304602210095ec9997c5ba5af59609002a7a466947c25874e9dd29bf5418823974ccf09261022100c31940502483697109efa214557a0b75f74397f3d11466af890266fdf2f8f193007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000189c6e63f930000040300483046022100dbcd44d9a7681708e1bd0e05b7d2a61afab5b4b64968df86bd808e0f1ce9a5bc022100cf6b282355fcd1ce532e6bdf0ebbed4a91c90361e69bea916eecb5adf245a6e7
 . . . . [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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