*.aimatch.com

Issued by Amazon RSA 2048 M02

About this certificate

This digital certificate with serial number 0d:6f:a9:0e:fb:3b:b9:33:3a:cd:0e:8d:90:01:9f:16 was issued on by Amazon.

With 2 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=*.aimatch.com

Amazon

Organization: Amazon
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 0d:6f:a9:0e:fb:3b:b9:33:3a:cd:0e:8d:90:01:9f:16
Serial Number (int): 17859737810671503217853963111644634902
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: 9c:0b:c3:e0:a5:d3:65:2a:e9:ae:54:5b:68:2b:da:43:3b:3d:1d:51
AuthorityKeyId: c0:31:52:cd:5a:50:c3:82:7c:74:71:ce:cb:e9:9c:f9:7a:eb:82:e2

Fingerprint (sha1): db:87:b2:58:ad:3d:0b:e8:b8:15:9d:f1:66:97:3f:96:66:cb:55:76
Fingerprint (sha256): 52:03:29:7b:44:30:a2:11:5a:c3:03:22:7c:ea:83:1d:02:7e:e2:96:be:cc:cd:5b:06:09:18:bb:e1:f1:c5:a5

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 *.aimatch.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.aimatch.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

*.aimatch.com
*.aimatch.net

Other certificates including the domain name aimatch.com

(limited to 100 certificates)
*.aimatch.com
content.aimatch.com
*.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
content.aimatch.com
content.aimatch.com
content.dev.aimatch.com
content.aimatch.com
content.aimatch.com
content.aimatch.com
*.aimatch.com
*.aimatch.com
content.aimatch.com
content.aimatch.com
*.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
content.aimatch.com
*.dev.aimatch.com
content.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
*.aimatch.com
*.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
content.aimatch.com
content.aimatch.com
*.aimatch.com
*.aimatch.com
content.aimatch.com
*.aimatch.com
content.aimatch.com
*.aimatch.com
content.aimatch.com
content.aimatch.com
*.aimatch.com
content.aimatch.com
content.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
content.aimatch.com
*.aimatch.com
*.aimatch.com
content.aimatch.com
content.aimatch.com
*.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
*.aimatch.com
*.aimatch.com
*.dev.aimatch.com
*.dev.aimatch.com
content.aimatch.com
*.aimatch.com
content.aimatch.com
*.aimatch.com
content.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
*.aimatch.com
content.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
*.aimatch.com
*.aimatch.com
*.aimatch.com
*.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
content.aimatch.com
*.aimatch.com
content.aimatch.com
*.aimatch.com
content.aimatch.com
content.aimatch.com
content.aimatch.com
cdn.aimatch.com
content.aimatch.com
content.aimatch.com
*.aimatch.com
*.aimatch.com
*.aimatch.com
*.dev.aimatch.com
content.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
tier4-usw2.oregon.delivery.dev.aimatch.net
tier4-usw2.oregon.delivery.dev.aimatch.net
*.aimatch.com
content.aimatch.com
*.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
content.aimatch.com
content.aimatch.com
content.aimatch.com
content.aimatch.com
content.aimatch.com
foghorn.dev.aimatch.com
*.aimatch.com
*.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
*.aimatch.com
*.aimatch.com
content.dev.aimatch.com
tier4-usw2.oregon.delivery.dev.aimatch.net
*.aimatch.com
*.aimatch.com
*.aimatch.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0ZQvdeTaOGLBSnCbzMlC
VBHTio5Suqh1BXUilrC4eh+OMxYDMQsltuNx43mTvBg4ZJm0nbqnsBuRtZXZo2eg
vm2ykXnpDANT3wwznoIV4ghsFf4LMoVo/RGJIVeYduEnTpd2l0saDVC8OeJ0tXKm
zrmk09qcxvcCF4nqhO5wPW1XLNMGV8E6wKWT4rD6lRkKnzQlMjaJa9ezyazntWeM
KfdyfqxJ/pnsMqI7odDyHr8X4/Z2I+AMtvwMSZSFuucJMeiUQR9ad5iTG3fjRsuT
qJVrXZ0xW1UJQfOLcVB1+RiBx69smVVrbs8Xaw9tLi7NkJKknIG71TAFpEwf3OZS
cQIDAQAB
-----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 17859737810671503217853963111644634902
 . . . . . . . . [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 2023-12-14 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-01-11 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:12|false] UTF8String '*.aimatch.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 26456878678497122424907892296569555627721564546027423202102128955956413676853895575950300498989067621197431432693965855097693410393216465961994201226438473361092415254825269991977222545934675154009500044085390454248306195704130967449649669134827940113031344375293881838457946093773381434803459147477406834925035965333900451747632542771903611128608575643575515252455230293897598364983782040283054249258373539360335911925446440171445359422449907784000801133619423699033579098984715638004504720861922253310203695382551176869879437048958344402413398252807678563329105008644449138874965621320755604799903452078707747213937
 . . . . . . . . . . . . . . . . . . . . [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)
							9c0bc3e0a5d3652ae9ae545b682bda433b3d1d51
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.aimatch.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.aimatch.net'
 . . . . . . . . . . . . . . . . [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 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 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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