www.bluetechnology.com.tw

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:34:e8:98:12:ae:83:8f:6e:41:97:16:9d:fc:a9:74:1f:ac 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=www.bluetechnology.com.tw

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:34:e8:98:12:ae:83:8f:6e:41:97:16:9d:fc:a9:74:1f:ac
Serial Number (int): 279340711378223926892841499979088923991980
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0b:d8:52:6f:0f:2c:89:26:8a:26:18:3a:d9:2f:88:f1:7a:14:5c:3a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e6:31:37:ce:c3:2d:b0:9e:c7:32:8c:3b:f1:18:56:cf:f5:8c:f0:cf
Fingerprint (sha256): 22:fa:b4:09:66:8a:24:6a:0b:10:30:0e:29:64:b5:79:da:de:f0:19:fc:be:ea:7d:41:22:69:3f:8a:53:9c:ac

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.bluetechnology.com.tw

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.bluetechnology.com.tw

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

bluetechnology.com.tw
www.bluetechnology.com.tw

Other certificates including the domain name bluetechnology.com.tw

(limited to 100 certificates)
www.bluetechnology.com.tw
www.bluetechnology.com.tw
www.bluetechnology.com.tw
www.bluetechnology.com.tw
btciservices.bluetechnology.com.tw
icc.bluetechnology.com.tw
icc.bluetechnology.com.tw
www.bluetechnology.com.tw
btciservices.bluetechnology.com.tw
btciservices.bluetechnology.com.tw
btciservices.bluetechnology.com.tw
btciservices.bluetechnology.com.tw
btciservices.bluetechnology.com.tw
www.bluetechnology.com.tw
www.bluetechnology.com.tw
icc.bluetechnology.com.tw

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzrbb1o3Dn269SpMjiCmy
5sJyUmgrcpWqBKOCHKlXFwugIHY66Rd9xuDYc4XjSoCnAjKkjT2x9RUe29fWAw7I
Pu94NNRF+jNQmNPIUzs8Z+r3FUYQg2J/GlNshHwQEWEQn8oM1BuE8Wa8oCBSw5MP
0w/oYk0n+Zx9Ly9vAQPDNOREx8IdPVSPwpWcAcmf841VI6V379AXW4id525vQc4P
i01WPtZcinSlVYDgxmuSUeIw9+1nkVMgd/Da4HProO6Iu5oP8cFg8n1BsQ99UJ/l
wvvfxaW7xjK0PxmoM5gk81mf3Mg32vHAHbk9C3nqpJ/QFmBa8H6pVw0cqmfI6YYv
yQIDAQAB
-----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 279340711378223926892841499979088923991980
 . . . . . . . . [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 2020-01-02 06:58:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-01 06:58:20 +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.bluetechnology.com.tw'
 . . . . . . . . [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 26095261829694043087537711790033021116658941606669002850489982836891892959085220218749513493442281013027480568569882589375150324848783347179549281322535561334158059206857355196864366538653866002265842507143196258187354651711845323109206747699387153386241585204850440174334347765383519090930209627610631418871946577418478114296204971437216052240890590933403990698284293234805159849151290529883048716341854376192804350178522547943992640472424784091963871253995449117015219092697039675235763878426996941292142552089919169039190813436998914907696247460375370038329808948662795794348010547852506677917581698542686133694409
 . . . . . . . . . . . . . . . . . . . . [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)
							0bd8526f0f2c89268a26183ad92f88f17a145c3a
 . . . . . . . . . . . . . . . . [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 (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bluetechnology.com.tw'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bluetechnology.com.tw'
 . . . . . . . . . . . . . . . . [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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f654335500000040300473045022100f68a464a920a15c9226c61d02fb75aeb86b05a5c488b72d3ba78cd147df919d902200f3a83ec68b0906828060008477d72d58408603bb31e26a424fe8a0be6b2097100760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f654335a500000403004730450220621a2362372c345a9c8000acc5e33ecbc245f93bcb0ab7c36c1b5a35083b2290022100c805af8eb32a5cf9b8f1a7656447d6649948d3214723815531e5d9d157449d10
 . . . . [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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