nestor.com.tw

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:da:50:a5:8c:80:ff:85:0d:49:4e:dc:7c:6f:1f:ff:15:13 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=nestor.com.tw

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:da:50:a5:8c:80:ff:85:0d:49:4e:dc:7c:6f:1f:ff:15:13
Serial Number (int): 335625611602447405331719580475566805947667
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8c:41:d0:d4:f8:37:6e:33:81:8d:92:46:95:c2:72:ad:e7:75:db:f3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 3b:b1:c4:5f:5b:1b:89:2f:00:20:74:41:99:d2:3f:87:0f:05:a2:01
Fingerprint (sha256): da:1f:27:d3:b9:0c:35:26:7c:93:a6:aa:a3:00:9c:d6:3f:7c:e9:d1:d9:40:80:45:87:5b:9a:cd:80:1b:eb:cb

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 nestor.com.tw

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for nestor.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

nestor.com.tw
www.nestor.com.tw

Other certificates including the domain name nestor.com.tw

(limited to 100 certificates)
backstage.nestor.com.tw
www.nestor.com.tw
www.nestor.com.tw
nestor.com.tw
nestor.com.tw
www.nestor.com.tw
nestor.com.tw
nestor.com.tw
nestor.com.tw
backstage.nestor.com.tw
nestor.com.tw
nestor.com.tw
backstage.nestor.com.tw
www.nestor.com.tw
www.nestor.com.tw
nestor.com.tw
nestor.com.tw
www.nestor.com.tw
nestor.com.tw
nestor.com.tw
nestor.com.tw
nestor.com.tw
www.nestor.com.tw
nestor.com.tw
nestor.com.tw
nestor.com.tw

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4wavmMTLumSCxuQvUWaN
Y90gWxxQ073et7jvtoEKuuBqIi8ICUmXBLPRZGgjgHm4ZNnMkwI5SPvGF0ukKMsD
OEG/rflB2ALAXLZPa1oQwhw1kPGv2nZStjhhN7PI4MpRLKC2PpLR2HB8h84vGEtC
qMQsAQjN7a1DWn31cQUVi8eoGcsWlL8ybnRy2oCRzibLnexJuP/wEhkRpK6uYqXa
QR+1cRrV/sbFrZONHfFEMLEiPR72AVaBKQt5TMr1xYH/68dK2el8WouZLTJY/dXd
fQqrNDsWkzvqRFLWLor31OiK3oXzdXv4P8i2aeUAjpz4LL8n/2UJH0nSJtxie8Px
fwIDAQAB
-----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 335625611602447405331719580475566805947667
 . . . . . . . . [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 2019-10-06 19:03:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-04 19:03:44 +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 'nestor.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 28659392179701117621150216645631595750967415466252284091096374198186644680125445940940158693206630866651069670485627988471474076029234422413063272183456293511923201601734094446562793360832754373345968512974347688180099852008850554292244987576710119095640570015867513229874811128601146916877866191268579414693635200514000927795299682849708039955672944511548747381143173418082923693709817027397470553173473287440520060354434434644503501624850554896868412764608108262671143115884233980611024310302303957354070033622569907961247371955032157514856664204868937113184276553727365639953297481955042590886290598914637328281983
 . . . . . . . . . . . . . . . . . . . . [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)
							8c41d0d4f8376e33818d924695c272ade775dbf3
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nestor.com.tw'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nestor.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)
							00f00075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016da2abb35100000403004630440220638dcfb68b55ceb2b7befe62a68116e2323a940232e95b5f861dd1aedba23291022068a008ee7927b164b6d1d2986512be717f581e287422f2afc9881de56c0407fe007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016da2abb3450000040300483046022100cd5dfde6443cf3a72716572864def803e54084129022f0165615325684eeddcc0221008894e7e5175597cd0dc461e13f55ecd001530cd91a435c1bc3feaf8bd1cd9ffe
 . . . . [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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