www.bluetechnology.com.tw
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:80:78:d4:3a:a2:21:6f:74:9f:dd:44:18:f6:75:09:7c:8a 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): 03:80:78:d4:3a:a2:21:6f:74:9f:dd:44:18:f6:75:09:7c:8aSerial Number (int): 305053610076814129637330630678147024649354
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 73:73:ee:86:f9:c8:5e:0e:ba:89:fc:5f:e3:76:a9:ac:b1:35:9a:b8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 9c:d5:2d:2e:36:f3:d8:4e:85:1b:84:cd:da:d5:2d:ea:fe:6d:6f:b9
Fingerprint (sha256): 10:3d:67:28:04:4c:16:6a:23:6c:56:cd:09:52:f9:1a:6b:81:5c:5f:b5:e8:f4:f9:c8:6b:fe:cc:ac:5a:b9:86
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
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
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----- MIIFgjCCBGqgAwIBAgISA4B41DqiIW90n91EGPZ1CXyKMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDA0MDEwMzExMTVaFw0y MDA2MzAwMzExMTVaMCQxIjAgBgNVBAMTGXd3dy5ibHVldGVjaG5vbG9neS5jb20u dHcwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCl8Qm1+6q/M11+NBue tdaSCGQ0tFB9OWiEZUP6zbtcjdxZu6NEJA/0bL5mJqv4J2VSNpPcfkFg4TlYF6xz hy7m04GK+CUYeUZC42atGUdSkaAs+2ocWuZHHlyx35JoXhVUPeApeXTRQCjMdP1e WKPcWpDU4aThS747djsoktZ4hXUFsDN1m5vw5eo3/fjYS2gpU5a9Psh1fLkWOb13 3UdACO+hwP+D66x46ilQMWiGabhDGnnwMEnuwUpP0TnDH1TpkRlLsq2G6sd0s2Kp sbUBMIoMSKs21vWlRQkZ7AKqeJD025yf8kCw/Yup3l7UMcUe2sS8hxXACObRMGTD OkzxAgMBAAGjggKGMIICgjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFHNz7ob5yF4O uon8X+N2qayxNZq4MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wOwYDVR0RBDQwMoIVYmx1ZXRlY2hub2xvZ3kuY29tLnR3 ghl3d3cuYmx1ZXRlY2hub2xvZ3kuY29tLnR3MEwGA1UdIARFMEMwCAYGZ4EMAQIB MDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2Vu Y3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHcA8JWkWfIA0YJAEC0v k4iOrUv+HUfjmeHQNKawqKqOsnMAAAFxM++mhQAABAMASDBGAiEAoYhVYyHgsQWw e86XY7EgEFl3RkX3dProqivWRsjYTXUCIQCDR6lQnBmq0UIwHUGqpIR6izx+k2Ur xGz5YS5rKBQRWAB2AAe3XBvlfWj/8bDGHSMVx7rmV3xXlLdq7rxhOhpp06IcAAAB cTPvprQAAAQDAEcwRQIgWyMCCjnEq6t4YcTaiSLIXEFk1tb+fUq4KuW+JhHqKiAC IQDjERIjsVkXNbZmQbxSR/BhzZetStTD83AzJOp9TkpZiTANBgkqhkiG9w0BAQsF AAOCAQEAGWp4krAK3KWzxDHbwlmFAppAhRprg4pDw2Xa4tpzfv/uCuwlFUnE+qZz exbYKGuin/vbAdp1/aGSUuuv1iCv7QuFzbwKX7l8292r9nQ1JZLuKKhjeGWeyJ6g Ts/ofH1KBdHPs014eEcLCY2n+XjvA4sShyiPFA5jTe1FotnyoNHFFALKmhPOEsXG I8/d96K9Cii+4lLKXVKuAUnTCyyxIPsTNjqKuo/jzosoybT4qHQbmgFfmKKSTOdz qH4yuD26PRXHPeA39Dx7vynB3Tw3MjKJRvlbbtwTKAfi35DGPrft8RVDXMDr6r1F iVPpSQoTSLpcxfA+HmnOew6W4JxxWg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApfEJtfuqvzNdfjQbnrXW kghkNLRQfTlohGVD+s27XI3cWbujRCQP9Gy+Ziar+CdlUjaT3H5BYOE5WBesc4cu 5tOBivglGHlGQuNmrRlHUpGgLPtqHFrmRx5csd+SaF4VVD3gKXl00UAozHT9Xlij 3FqQ1OGk4Uu+O3Y7KJLWeIV1BbAzdZub8OXqN/342EtoKVOWvT7IdXy5Fjm9d91H QAjvocD/g+useOopUDFohmm4Qxp58DBJ7sFKT9E5wx9U6ZEZS7KthurHdLNiqbG1 ATCKDEirNtb1pUUJGewCqniQ9Nucn/JAsP2Lqd5e1DHFHtrEvIcVwAjm0TBkwzpM 8QIDAQAB -----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 305053610076814129637330630678147024649354 . . . . . . . . [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 2020-04-01 03:11:15 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-30 03:11:15 +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 20948180554188630372979214008247823871684733443315834714675532756490058122327478966307790116073664244896588705647329098331775056435340208910513035000284257440677552956187542156389926058805931282529794520747249458327178463259809390603809661136960112501177392912606520946940669647915257798509697360531343460172486575982490700527576309905882255516735068359360841656714432719550355306973840906068652583113994081215303148600290260378502610485733463316944378919080048740721618296236126891626123169539170476191633423923070187072966414807848470697229550216875098498114806924909403003989571234619399905807947315316120341859569 . . . . . . . . . . . . . . . . . . . . [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) 7373ee86f9c85e0eba89fc5fe376a9acb1359ab8 . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017133efa6850000040300483046022100a188556321e0b105b07bce9763b1201059774645f774fae8aa2bd646c8d84d750221008347a9509c19aad142301d41aaa4847a8b3c7e93652bc46cf9612e6b2814115800760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017133efa6b4000004030047304502205b23020a39c4abab7861c4da8922c85c4164d6d6fe7d4ab82ae5be2611ea2a20022100e3111223b1591735b66641bc5247f061cd97ad4ad4c3f3703324ea7d4e4a5989 . . . . [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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