davidzwirner.com

Issued by Amazon RSA 2048 M02

About this certificate

This digital certificate with serial number 06:4b:a6:c7:f4:cb:db:9e:1f:15:b7:f0:34:bf:aa:fe was issued on by Amazon.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=davidzwirner.com

Amazon

Organization: Amazon
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 06:4b:a6:c7:f4:cb:db:9e:1f:15:b7:f0:34:bf:aa:fe
Serial Number (int): 8368172961258945278331363167047756542
Serial Number lenght: 123 bits, 16 octets

SubjectKeyId: 41:6c:c4:28:50:29:2e:5d:a2:a7:52:22:fa:64:a6:a0:39:26:b7:8e
AuthorityKeyId: c0:31:52:cd:5a:50:c3:82:7c:74:71:ce:cb:e9:9c:f9:7a:eb:82:e2

Fingerprint (sha1): 71:92:fc:63:e0:3c:cb:64:3a:e6:c2:a5:6e:0c:9f:0f:e8:ba:05:a3
Fingerprint (sha256): 31:34:fb:52:8e:60:63:1c:59:9c:69:a3:2b:ae:17:39:53:85:8f:8b:55:03:03:eb:23:18:87:a8:00:71:f6:65

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 davidzwirner.com

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for davidzwirner.com

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

davidzwirner.com
*.davidzwirner.com
davidzwirner.com.hk
www.davidzwirner.com.hk

Other certificates including the domain name davidzwirner.com

(limited to 100 certificates)
fileshare.davidzwirner.com
images.davidzwirnerbooks.com
davidzwirner.com
davidzwirner.com
davidzwirner.com
db.davidzwirner.com
dt-cf-test.davidzwirner.com
*.davidzwirner.com
assets.davidzwirnerbooks.com
*.davidzwirner.com
assets.davidzwirnerbooks.com
db.davidzwirner.com
db.davidzwirner.com
images.davidzwirnerbooks.com
images.davidzwirnerbooks.com
images.davidzwirnerbooks.com
db.davidzwirner.com
*.davidzwirner.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6zkJYEvaTfZLq5wwaiC0
K8umqS07NbupaUSpgWHMRm8TMdms8SbeBNLbUFdvwRhzNYStM0CUG7EPfPu0SENN
nOaxwxhc6WilsAnjgp5K4OThWUiFt0YuEI9LVlYZtvzGHDmoDaYoq+xANfL5Kd9B
4pMOzxyjC2Ryk993/YC66PS2tSWTHr18acwKdABPb8E87KRu6j7iFkk+P0GGP2Zw
GbFt+SO+Pq565EOvrZUxK8L8O/k2Ac2qsinwNBTCs9yItdVxeSwrgUWou39rltCx
AVFCw3ExTYPcprFNaBflV4HAGcPnRdvOnZCMUgnjHi0AZnEY2g8PG3u5HK2+vmD9
ZwIDAQAB
-----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 8368172961258945278331363167047756542
 . . . . . . . . [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 2023-08-04 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-09-01 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 'davidzwirner.com'
 . . . . . . . . [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 29694127475377729290832668696710920587028784460813691102123709450231940798279496481130377165518708578827816014119232405548049544261151088474453840587185724030318624357818027907414633729058079756552112113112235598315475666150506528863298868204086556152821919571592155358982593497300753453339074583776630463985543765474541995217531658344522941913807906266301369251113400829931430671807312081318415341558069610800941714494138194401591980134026926099445387532838418112168749041840933996865850515848015568812143407537627847115762783448979877824147047834737452086483660432037801215306915599220417784960193064544024353897831
 . . . . . . . . . . . . . . . . . . . . [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)
							416cc42850292e5da2a75222fa64a6a03926b78e
 . . . . . . . . . . . . . . . . [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 (86 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'davidzwirner.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.davidzwirner.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'davidzwirner.com.hk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.davidzwirner.com.hk'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (365 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (361 bytes)
							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
 . . . . [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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