shibaura-it.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b1:19:a7:1f:e8:e9:84:d5:c7:14:07:dc:06:03:57:5a:d2 was issued on by Let's Encrypt.

With 7 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=shibaura-it.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b1:19:a7:1f:e8:e9:84:d5:c7:14:07:dc:06:03:57:5a:d2
Serial Number (int): 321600935200964748197469642074572480535250
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 70:fa:05:fd:f1:04:59:6b:7f:bf:8d:7c:71:07:93:3a:27:c9:e3:2e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 05:4d:89:53:7b:cb:33:47:b1:90:ca:75:23:66:57:aa:7d:ea:0f:17
Fingerprint (sha256): 49:bf:18:89:54:4a:7f:97:3a:ab:fc:d0:1c:47:96:d7:24:6f:15:db:fb:d0:db:ff:3a:a7:37:80:76:72:11:99

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 shibaura-it.net

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for shibaura-it.net

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

imap.shibaura-it.net
imap.shibaura-it.tokyo
imap.team-u-chan.pgw.jp
shibaura-it.net
smtp.shibaura-it.net
smtp.shibaura-it.tokyo
smtp.team-u-chan.pgw.jp

Other certificates including the domain name shibaura-it.net

(limited to 100 certificates)
shibaura-it.net
shibaura-it.net
shibaura-it.net
shibaura-it.net
shibaura-it.net
shibaura-machine.synology.me
shibaura-machine.synology.me
shibaura-machine.synology.me

Certificate

The complete raw certificate details for shibaura-it.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr7GugIpK7Z29XVPdqIjg
+phtkg7sPXo/93iRFZcHn6cQPCxpV7HkOsfhBiaKG+Nd7OjvedN6/IiKr+PA0ED3
uk6Q9WSx1b27M+IG6a+dSq4N+vZ+1bQ5yr/GN4kjd2fgXX0DFHm6MyP5LGM9aLch
F5zQDjAsMsCpRIJlzkocoG7Z22fhvtTRF6/AFh64lYT1+jUYjJXFfDXqJSZ25ZI7
/idPjeve296LaAQ6keB42xUqFvOYWM04oCKG/rFw3KQQiOlRRRYVYloFemkkyv0s
DjMVFOePgD/kL4/HQ9zFKMmAyFnj9Pv7g0ANc5XLvREMe22Btr0PiwTLm7GVAbQp
JQIDAQAB
-----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 321600935200964748197469642074572480535250
 . . . . . . . . [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 2019-09-25 12:18:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-24 12:18:23 +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 'shibaura-it.net'
 . . . . . . . . [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 22179321455687822990580279778687120387214482114043728841375589487553888950916857496115830721559872504504250008226725213098582856224428588792899257110780285252495528341707379654187774447578605961618596364527152373237511451264037000959785740938218061383032466506645531785376752693910531184997788838747355634089146972690964572720249104309909864474731547635821601253026919216513915426549749856724334180089947087571892250414245432241256781949095061215601659667229061031246947184280592703577766304862103150095278497673763848931982342680982300654049353961220718074013981713001817428803346091388623453545144506429396762241317
 . . . . . . . . . . . . . . . . . . . . [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)
							70fa05fdf104596b7fbf8d7c7107933a27c9e32e
 . . . . . . . . . . . . . . . . [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 (162 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'imap.shibaura-it.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'imap.shibaura-it.tokyo'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'imap.team-u-chan.pgw.jp'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'shibaura-it.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.shibaura-it.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.shibaura-it.tokyo'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.team-u-chan.pgw.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d6892a2960000040300483046022100b664dfd2dbc8547dddc818fba58c43e8c6d0b34beed9c8f48001477ad3bfb940022100ef1bf988012a181a3266f10e38bf3cf030dd0258207b7cc8ce0283fba166da4000770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d6892a2940000040300483046022100a2d5e199c0780e025c41464a6db443b78a2058539b19d6ecc9c9fb57341e821e02210094fe36c946a2e82866fb8c8af1250977e56ff32b42e81f6d3af22c9da1eaa6f6
 . . . . [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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