nestor.com.tw

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:fd:a9:7e:f5:72:04:e2:ec:43:8d:ba:42:86:65:74:58:96 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:fd:a9:7e:f5:72:04:e2:ec:43:8d:ba:42:86:65:74:58:96
Serial Number (int): 347653595365193873061191953421193983580310
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6b:67:64:7c:7d:b3:3f:ba:8c:ec:c3:b2:6d:c7:54:33:9b:b1:f7:d2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a6:06:a6:13:54:d3:fc:7b:70:f1:a5:85:a0:ac:2e:46:fd:97:3c:d3
Fingerprint (sha256): 93:80:df:3d:1b:0e:df:fe:72:21:e6:b3:3e:c5:b6:60:c4:fe:89:ad:7b:78:0d:dd:dc:be:73:a6:76:af:b5:59

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6iQ+ygm1chqFkIrrQUR8
ngGE3FtBc+Cxb9LhkKE5GAs6uL1SWggzrq+ftKQ3dGHwBXio7MpR17j8sBRsCDae
A8h/n/i0RTUBhMmQbGWMGEy7NsPFR8sTvp4Jez7mR+pKZYa2TgrNve1ZbYHQ9RjY
fceLfJrseqFfyfV6/GX002yz6ZdBpbB/GZUVoK2Bg6ZNW0L8xFkyzd1PZRgcC22X
1ohbiY0OgZXZT1Eg9IhIbFkM2InWo+vKV1XyVILbvLO8LTNePp7N13+X1htFAf7K
4RJCMPcotu3hx2c1NlEuel7sjHCtEkchChrMJzz9KlbdfpgF/ilUU0I0kEZpCETZ
owIDAQAB
-----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 347653595365193873061191953421193983580310
 . . . . . . . . [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 2020-02-04 09:25:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-04 09:25:13 +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 29557636571012934062823947589078527306934967487265515227201261851342341924685202421938128609942335338880893351173056598101812554369501957330233184541888689184105680673200059185813777034279839869008718484284664341624923053440456431798896566969778648024104573938511981790931296810222340110932885506016787458787870660651854264767921303965511544482489758122285570019036662226972652556315260605391427399610242168227948433805358569554686316880222105763537513460270255387407107182087335569716725631917586599243934197252297273138236916280001813604544172673856381481942338107899367729324169564081130478268033968576030952446371
 . . . . . . . . . . . . . . . . . . . . [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)
							6b67647c7db33fba8cecc3b26dc754339bb1f7d2
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001700fbb88c90000040300473045022100a9b66e7e052349fda110efb7dac16f51d788ff18ed38dc637a4ee1a9519902fd022025687f0bee4d38f5b421cd81c419e0a9601b2db119c1012708c5671b1d4eaa6f0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001700fbb88f9000004030046304402204bffbb776d1521ef70a3d8be5434243cf7cfd2551b7c0890a29dfd704f67238502201df9068b543e75ff87fc0cd07721b9f0caad0f083b2b51408583855e8551f8b9
 . . . . [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)
		008f359efc60ab912378ffeb09ede2a6422d406c41136bd37562ea7c9e6064014811d10345e649931f66a64378de11bc3ef5ba082ccb345bf3e44ceeb5f46ac311f02a65edfa650a511bb132c43cb8ae4154df8710a30e94dfec9b7f3b5ca24cc922fcfa4525e121d16ff7f7faac074e7743e3af16ff905238acb4a41510ad46fd31567f0f7f5ecc9caeba286743dedb627a3a8e6f98267f1936273af850361f5883a09c78c58930a37152f479f4f2a139139d8eac4a12f2082182c63b7fa9fd1930671bc47f7ea6edfb6bf6e5a803623507cfa7c1080643ec001629b28fd7005a5a900c52518becb64f0025098f65dbec07ba35cfe6ce40c03ca5363beaa9422e