www.twako.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:74:a5:a2:07:73:0f:10:6a:6e:62:da:93:f5:b5:e1:ae:b7 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): 03:74:a5:a2:07:73:0f:10:6a:6e:62:da:93:f5:b5:e1:ae:b7
Serial Number (int): 301029776280597963497997741076755280670391
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: dc:6f:67:68:4e:20:f7:32:ed:db:e5:d3:98:02:d6:1f:f9:90:fe:29
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0f:7d:57:c3:73:e6:c1:ee:09:55:13:b6:6e:1b:74:aa:39:91:92:b9
Fingerprint (sha256): f7:c8:98:53:7b:a9:d8:8c:f0:cc:fc:ff:a5:0a:91:b0:b2:62:7f:5f:b3:44:ca:79:cd:91:0c:e1:83:03:7b:52

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-----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-----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 301029776280597963497997741076755280670391
 . . . . . . . . [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 2019-07-17 10:42:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-15 10:42:25 +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 665623854477460500360972762573409315059186893169015699769472194282361782933855910587484724838123587550020408712261226237023234174653658831680067674897033016686789615337501261846395251505021681172250283162778206357445670083329601889221468591248105813544892122825329479024593808799962327859950462947865496891270958075100346821879591339910083542591533049805523652113802154137551271154110223561248708666452527897478746700027994559125429043151719807491546021339157865010161872575929484515152865210506667133129891178952313693971629356604933634739673053856095401066086889236753998195540073293311902722799789505583086738566269274612993326653636005272828249559423085700913175718238334250590693846496506282099804511836571586666795705695376698835361182959276562757580872111384126218022007017976217731467659421759013989015427770535204964188146024120126864414790880804109149017495430411797011687059008298545305636830940813414490936205073623906204361637981432721797337939899194867387352380253670946586162666477421389341061115073808580104638111633221402237402994094873675404667488758240069146897591681561062499363881684104458848288051831963410345966319154136166830430044477510376198156313467258165939896744829371360606222905313593035366352797122371
 . . . . . . . . . . . . . . . . . . . . [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)
							dc6f67684e20f732eddbe5d39802d61ff990fe29
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016bffbd9dce0000040300473045022100d8658b2e280a7ce97755e1527b6ec51e72f5a9279b868ffc500a382cca24bcd80220115137afb15a7a87f0975d30357256f82e92a5fd55b1f43bcc472238dec44aff007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016bffbd9d9b000004030046304402202d674427dcd4b1ebebb7e29b2c3fc40f4ba120ce2fd1f28d489d1e3c83cef5ea02205ad367a5e363beb9d47deed0d19f78646d9aede07ec83ed25aaa1467ff6f3f72
 . . . . [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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