puppy-tsukuba.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4f:da:63:f8:ff:bd:6c:ee:12:4c:e6:ba:f1:c9:70:1c:04 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=puppy-tsukuba.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4f:da:63:f8:ff:bd:6c:ee:12:4c:e6:ba:f1:c9:70:1c:04
Serial Number (int): 288509455572804372663563776414438749379588
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e6:8d:a8:f5:cc:40:a3:ed:c1:9f:36:54:3f:6d:ac:b2:34:e0:3d:da
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cc:9e:36:96:79:03:6b:dd:5f:30:bc:6b:a9:43:e9:62:ea:8d:24:77
Fingerprint (sha256): c2:80:8e:54:f8:7a:2a:8a:de:18:be:fc:09:b4:96:27:6e:e2:a0:67:f1:20:c4:da:16:21:4c:85:82:a5:b3:13

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate puppy-tsukuba.jp

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for puppy-tsukuba.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

puppy-tsukuba.jp
www.puppy-tsukuba.jp

Other certificates including the domain name puppy-tsukuba.jp

(limited to 100 certificates)
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
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puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
www.puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
www.puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
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puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
puppy-tsukuba.jp
www.puppy-tsukuba.jp

Certificate

The complete raw certificate details for puppy-tsukuba.jp in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1NzBNm6x15U0acqhNTsl
5vaVwMjpPuynksPnbqzHonGMGXReivCIlzUaN19pYtSUsc8fMPpjRNHxPvSeUQTT
9wDq/pP2+zdfKjX0yuAf5JJCJ69ZJ59f5GBfWjeXObZ7flmo7qYjeoO4J7w3kBn0
GATHdkLnNuwD/OSIG26A6XLFkTA5IDtmITVUy7CZgcso6u1gvgaeEQMhD+RIsOe5
G+QLYT2w/mZG2+zYX7MA/vSPQR+tLjhsS5KDFy3EczKsClUi0ehuPAFf0ysdfF6I
595h6nXnbwlCgi2nW7unL7GJ0LSZ31vrZzIhVJbCd1/eNSvyV6j2+DtTsJwKE+4B
3wIDAQAB
-----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 288509455572804372663563776414438749379588
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-31 19:07:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-30 19:07:18 +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 'puppy-tsukuba.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 26871378870732960047216788448745913696572384267441277391468949049649371676596022896086432679701500648370741481577725350930919505887936809710254154915582816009114175044346133827910568091202828451099914915576081667674449464383659059179623764939225340432150704574367950731731426811311501188306020595897036485658474891300488366668290515472215522797418694393685262643049600384162887236054269312477863658309996221223488512004387660015677703539768274187131889799759961775302828118666816377534914260880426089682682149960112215147761168216421965794910043064568107549853101979516018007731893716945687592930617448036985562071519
 . . . . . . . . . . . . . . . . . . . . [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)
							e68da8f5cc40a3edc19f36543f6dacb234e03dda
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'puppy-tsukuba.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.puppy-tsukuba.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00ef00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ffd37017d0000040300463044022017d58c8d28a3f8f67881e702dcc5e955afad2e6dd9a5b8a21b407337de4dced602206f4a85517fd5242289abe43ed6490ba21f8516aa1c7a82f5966898064b5542ed0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ffd3702fb0000040300473045022100a8bab6c5301338265cad0af15113219c76a42273f8dfe5c9935b8eb15388ac0e0220156fcaf87db813d85be1f247b5b96079385dd6d96c0d14e9ced34a178eef0088
 . . . . [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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