www.nestor.com.tw

Issued by Amazon RSA 2048 M02

About this certificate

This digital certificate with serial number 0b:f4:c2:5d:50:0a:6b:4b:50:f5:1b:40:75:9b:29:71 was issued on by Amazon.

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.nestor.com.tw

Amazon

Organization: Amazon
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 0b:f4:c2:5d:50:0a:6b:4b:50:f5:1b:40:75:9b:29:71
Serial Number (int): 15892370567570191520405783959727450481
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: b4:d1:d5:04:37:75:48:5f:9b:fe:1f:d6:bb:b1:1d:37:25:79:80:3b
AuthorityKeyId: c0:31:52:cd:5a:50:c3:82:7c:74:71:ce:cb:e9:9c:f9:7a:eb:82:e2

Fingerprint (sha1): e2:80:2d:90:c5:d2:e0:59:67:b0:f8:02:2d:39:81:8b:a8:eb:24:3d
Fingerprint (sha256): 2f:44:c7:f3:65:fb:09:ea:04:dd:45:3a:ac:6c:69:a6:20:8e:43:6a:42:1a:8e:99:34:67:8d:ef:eb:8a:2b:ac

Issuing Certificate URL: http://crt.r2m02.amazontrust.com/r2m02.cer

Revocation information

OCSP Server: http://ocsp.r2m02.amazontrust.com
CRL Distribution Point: http://crl.r2m02.amazontrust.com/r2m02.crl

Check the revocation status for certificate www.nestor.com.tw

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

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 www.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsqmEj2pfrAdeH4cSX/e/
TmD5kTh+yOu+nJN96apbm/LCHNkVeiredIJiq1p0lV09frh14su9KioeOAUrihy8
l8b9NC/VvZ4j5M8c5JzeJSX7My2wFTEUwhPLvJrjxu5tfmfng+69F9pABh/hzUdV
7oHgfY2kaHbvmeH7nbOok01xV4M0m0h3qphH9Gd+mpcg6kn5PAJl1OBv50QCOfV2
V6EJMZxErKLgyhHHboFw74f4/JHEteyMTMsVrqW7x1ne8YqVeXFugRLb73TqfAxP
U0oAo4Lg+EFBUP1J6ZCHS92yo3COZQNS7MEFlfNMmC643kYi9HZwLCuggqUh7+6v
hQIDAQAB
-----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 15892370567570191520405783959727450481
 . . . . . . . . [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 'Amazon'
 . . . . . . . . . . . . [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 'Amazon RSA 2048 M02'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-12-01 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-30 23:59:59 +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.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 22554010633249464832718350612816614104191686364043655649141853564944016643096793998524106873527550596152142042333354782748285707892484982884832539567796963713965737166075365811594868971141388413312119413951606530269943407714446088584862335037359183235910468642761756904727542390739711321607909930186715364867009923814416667823503468592914863891281437946031420206944731702369636351129642499870332372025079159839958556349812816055474834756993387977833362703039624087244778971177391757829746133521248391787520714430588230527507420910695953199366517117846577487020882639510636928061558598983886802640772186587378857455493
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c03152cd5a50c3827c7471cecbe99cf97aeb82e2
 . . . . . . . . . . . . . . . . [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)
							b4d1d5043775485f9bfe1fd6bbb11d372579803b
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.r2m02.amazontrust.com/r2m02.crl'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (105 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.r2m02.amazontrust.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://crt.r2m02.amazontrust.com/r2m02.cer'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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