www.twako.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:82:a9:59:81:48:bb:7e:01:36:ab:23:a3:8f:97:d4:57:dd was issued on by Let's Encrypt.

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=www.twako.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:82:a9:59:81:48:bb:7e:01:36:ab:23:a3:8f:97:d4:57:dd
Serial Number (int): 305798669762904093171603282591038414542813
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e2:f6:dc:fa:99:ff:9b:6b:c0:d6:61:5b:4a:0e:e5:0f:04:0d:52:e6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 71:51:ca:48:7a:8a:66:39:78:ab:a5:6b:aa:46:08:f6:01:9c:0b:5c
Fingerprint (sha256): 7b:93:a1:c8:08:f8:b4:ce:0b:f4:ca:ca:c3:21:92:3f:13:7a:a3:c7:a4:a8:42:d3:76:22:1c:6f:c7:56:69:3d

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 www.twako.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.twako.com

Public Key Algorithm

RSA

Key Size

4096

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

www.twako.com

Other certificates including the domain name twako.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.twako.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqbKBwGQ0R8foTnhxIg8l
/eIZsPFZ983VJ4fwHZXz0a61p8TdynBrN5Nk/vS/gV5pQLOiuUfs2uZ8m618hFGr
rbazaccpIn4XePgjdCkiUQY+oN6rxGQqTUXgNI+WqfP+dfmKD7w84NDf37kqOJx5
pnhry9W9dueEYl95zpyEdTabeRJbRJBsTXu0cINOJ8luN6GLSq/ML5XAxzYCoR9f
d9lYylMfvO9CUIXfnu1cGWeQjCdUZh1NFwnXAWQm/4QJOe8UcCNnNxn4sYRlSOaE
09P4J87q+Tqfxnw/wm2sYKaMWAGchohwNDwxvYgeE24v/4XKiAdDeiE9gnB4aO5F
0M/rwUreWiw2qbfkiWiHXajvUfTXQNc+0ereXwddadrQzVvFK84t80F2zFq54KMy
OFeLSHjRdKkVKKGMENMtxjuFkX6MYN/WNYMJss+mKXbdWCvDLyymzZTufHyYe8ZU
J9NaD3ljgYogvAr7EipKhRKbXLLIXJ7YWdrGy/sHBtnRAWmiyEaa2hPsQ7bvFqj+
4Iq6lESryyKQ+l36+Q4YppDSs5E0E1Q+ncwYsPTikDrNlUc2I5fP4Iu/GdrqIdiS
H5BKkLbzAf8VJjXaL8AX6G17oUwYE4FE10zXvbz04mcopChHBBdop3EHv1igl0Si
81+Nx3JFtQ0LMgaOGdybjAMCAwEAAQ==
-----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 305798669762904093171603282591038414542813
 . . . . . . . . [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 2019-05-17 05:24:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-15 05:24:22 +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 'www.twako.com'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 692304552099697150208438035421265895269418549923955349626018264218214470942291688089085200948530805985812665062062569494489120074376626438021790922817286477621922322968998046991383558223309599405490412053580517578636155015556932627929257305819182785431381708106582767054746114385814036353647650236879752904594722549365130890590547825333331362891056459300913353465304089623042564699178162460410341314742483340147322450609181235300005470133899065427644407825321632870616975177769991631447248309814296796622090929104894179044816876363775690014829280739184765019089900723296288108809706541929332773900475776496399114865696654586649484304155701582552838443244209164866497846972659162725988413639259050346041396670313890088706875034522816242528593976589814937222715658650060398583116346466540942443204446852607308113016094192535884861526311988628637211237498941665060221096334372064004979162037304224857989764745134947115559183594101232263102308823591459112583339030089404977022853546720705757548676166387170606703526638412538083954628629646420708699742163078801311108627386042550119655474141577911482305646141463802713177825317804769287296693466112121908596893834839020605572753513957582926047554707506483375158615973339022334986729262083
 . . . . . . . . . . . . . . . . . . . . [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)
							e2f6dcfa99ff9b6bc0d6615b4a0ee50f040d52e6
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.twako.com'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016ac476858d000004030046304402206a4d6d0422ffeed9a25e5321d60c903a05906f420da8dde4a8345ea569af8d7f02206fb927ec2c028b5ad603b02d54c63742bbd2e4bcd29d696f974d66ad80ea1e5d007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016ac476879a00000403004630440220008eebe794e52179247797ac12272efc20b91586386b6711162a38f0c40e633102204f70dfb647af1e6a2eb74f33c3cb2e4ce63b12cc5c7a72b3feb38c7cc8647159
 . . . . [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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