puppy-tsukuba.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b7:05:7b:83:55:45:9f:70:8b:74:14:11:ca:95:18:f2:24 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:b7:05:7b:83:55:45:9f:70:8b:74:14:11:ca:95:18:f2:24
Serial Number (int): 323615818398056602225273873559899015279140
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5f:18:a2:11:d1:49:60:5d:5d:82:41:e5:0d:f5:15:1a:e8:04:72:38
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bf:a2:6b:f5:6a:07:eb:9f:4c:8a:7a:7b:39:3a:ee:87:fe:35:47:2d
Fingerprint (sha256): 36:d6:39:94:0c:c3:aa:36:60:6f:4a:28:f7:4f:a8:bc:17:a5:25:55:7f:5b:95:91:a2:a1:88:33:30:54:4b:18

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)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFbzCCBFegAwIBAgISA7cFe4NVRZ9wi3QUEcqVGPIkMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAyMjgxOTA2NDVaFw0x
OTA1MjkxOTA2NDVaMBsxGTAXBgNVBAMTEHB1cHB5LXRzdWt1YmEuanAwggEiMA0G
CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDTMz6aEcIYVcDpPkBLa8dDmELG7co8
k7p4zbM/9sc7kaKEW6rI49xPO5V//b1Z6jWhBN+UEemBnr+c5o81cg/X/wuvJtR3
jrSBxbBq3UolAHb39kCpQWTeaXDwG0aTdpp77Uj5hVwiFHksVvwNWvtF9buew+CI
/2GfwJpicXzmY8Z6EMFtVKbLs5yWRiKcDCer+Pd1kJXwr17MyzIVraImZGJxTEMO
BZhuec4CS7CYzdJQbwGPgBf2zZCMjyUDGvHgvPsVYrbLSSm8vj4p1BhioiXOkg+D
kcMxmJfh9rLIg7yxE3FdHFiyapAmTnxrMwcC+Pv+e6Vo0WJ9XiiPhZxzAgMBAAGj
ggJ8MIICeDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsG
AQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFF8YohHRSWBdXYJB5Q31FRro
BHI4MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEB
BGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0
Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0
Lm9yZy8wMQYDVR0RBCowKIIQcHVwcHktdHN1a3ViYS5qcIIUd3d3LnB1cHB5LXRz
dWt1YmEuanAwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm
BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEE
AdZ5AgQCBIH2BIHzAPEAdwDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb
/gAAAWk1t2fDAAAEAwBIMEYCIQCnP9ew8FqGQNTe6ro+6i4eqIo87J5uJOKH9HXO
0t+nlAIhAJT72M+qA+gQe3aD6EM7u0j4ZVlp67JRwFvBZ4U443yqAHYAKTxRllTI
OWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFpNbdoDQAABAMARzBFAiBeIo1U
agm6yTYm785hDcNrq96Jlt5dLJ6ohtMmET4K2QIhANgyhKa/AHLB3AjtKZJ0BxZf
/tqoL5fl/deCIV8pfRKeMA0GCSqGSIb3DQEBCwUAA4IBAQBrjwDeFXp5BQ9VqYDr
3CWrZd/V42+rkeFevIzhfzS8xyoazZSwqI+4BYZTBoK25PVslUGzryuhjf8q8WGb
s+Q8KBOb5DSGdUKnTlpCe9buotY3DGGJsyn5drZum4Nl2X21neiddN1FsMfAxxki
is7e18AzDnSPRS5IsOoh17hCRNYuVOU6/7aRmXqnNp5SGwN+noTaJxUwoHJfummW
xl5arOKd+JKmmtOYqRMV2yNh+UZmwDC26li22zU8PqblDaif27KYyGyEsWWTMSK7
ijnqbfRtkZeEXDknDpzdOjEa8MwemcEKdiTBhqaGnouaO3r/y5j+C0Vh2G4tEhbE
+z2+
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0zM+mhHCGFXA6T5AS2vH
Q5hCxu3KPJO6eM2zP/bHO5GihFuqyOPcTzuVf/29Weo1oQTflBHpgZ6/nOaPNXIP
1/8LrybUd460gcWwat1KJQB29/ZAqUFk3mlw8BtGk3aae+1I+YVcIhR5LFb8DVr7
RfW7nsPgiP9hn8CaYnF85mPGehDBbVSmy7OclkYinAwnq/j3dZCV8K9ezMsyFa2i
JmRicUxDDgWYbnnOAkuwmM3SUG8Bj4AX9s2QjI8lAxrx4Lz7FWK2y0kpvL4+KdQY
YqIlzpIPg5HDMZiX4fayyIO8sRNxXRxYsmqQJk58azMHAvj7/nulaNFifV4oj4Wc
cwIDAQAB
-----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 323615818398056602225273873559899015279140
 . . . . . . . . [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 2019-02-28 19:06:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-29 19:06:45 +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 26661551971541092645774867441289409921783000703337936098263567209713748549558792662038461241477681820253771684288020325084382390836102945501532500504538616497202452327846018179519295012659259378677904149600915427882989302254502200077280417684611443884839191757727633983072630656170718982362547406328377441277853742469456614739185515828307642329214427839551683433483368976600452063931488034839385656291109465661351081168799095113752395582922481115748341613038112570836602609459261415947716214688942703000634016478365137900131792870380988691401774387221964429604694002920415599416924021159869689985806193344534263733363
 . . . . . . . . . . . . . . . . . . . . [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)
							5f18a211d149605d5d8241e50df5151ae8047238
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016935b767c30000040300483046022100a73fd7b0f05a8640d4deeaba3eea2e1ea88a3cec9e6e24e287f475ced2dfa79402210094fbd8cfaa03e8107b7683e8433bbb48f8655969ebb251c05bc1678538e37caa007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016935b7680d000004030047304502205e228d546a09bac93626efce610dc36babde8996de5d2c9ea886d326113e0ad9022100d83284a6bf0072c1dc08ed29927407165ffedaa82f97e5fdd782215f297d129e
 . . . . [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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