www.twako.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:39:92:2f:2a:a8:f1:a6:6f:58:e5:3e:aa:67:86:ff:df:bb 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): 03:39:92:2f:2a:a8:f1:a6:6f:58:e5:3e:aa:67:86:ff:df:bb
Serial Number (int): 280927264900357502962268626511704713322427
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 30:89:f6:77:8b:ef:bc:55:b3:40:24:79:dc:24:d5:d3:5d:5d:41:7f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e8:ff:de:f0:d4:f7:d0:45:cb:2a:f7:9c:8e:8c:7f:98:07:5e:e7:47
Fingerprint (sha256): a7:0e:c6:83:9b:c7:39:d1:2f:85:24:e2:42:a1:04:7b:fb:5f:d6:80:8c:3d:79:d6:d6:54:1f:48:34:22:aa:f5

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 280927264900357502962268626511704713322427
 . . . . . . . . [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 2019-09-19 03:58:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-18 03:58:46 +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 725245628218831263327174208003278046577366301693148792445034913670765915625994704858925401285837980806625506062191057836224982584845657873494416425168609372654029451606007361421085788979571563514820832137946395343091182277479564405979496870658831986131912902824574310811248098060201366375445146136500646165931471637767953738287951955663428876596924929103753912249799362534106178193723423136620615258683407662525481367340643503314596752087684944147939728071148456809284311097295645918475428594592884792814471074820456216138087743123721630732206528364895584133159428843942928344082843904119828900472423793384501277937779877487907471102075159130689593425026342530594391926202478366352351462954439109668495856275099236847108500452220681858592218854592320998151403762431962449604768742954391819701802988763970796083962702026829736774408764067219162752637394198681864473907365806022306416602405236578078895318788653034448671501102722210952218177779079298998781951127319268983105190905257050256966263936658933597250191559914090041659812308175528510616240039115681848538185753045217965680751668209675190051723188725910987502865780928171727141392151466902021815130091204707857706256038120593118434614041841677760092839127740646867328721185441
 . . . . . . . . . . . . . . . . . . . . [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)
							3089f6778befbc55b3402479dc24d5d35d5d417f
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d47e30fd80000040300473045022100b624fe017ac63ffeff8981cef3e9058a618bec892a1c9c8b41ceb0112032183002206d050ebd486ef7a97faf49a9b33379667d29cb311271f2d5ee6c947f9eb91e1500760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d47e30fc90000040300473045022056d0618923d058eca7214acde58319b05cc3461e4aa5cf1d90555ee50aed741b02210080f32562041a583c90925c45632cda4b029394c76222ffebb2b5672b73c6b3a6
 . . . . [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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